Area Code 667 — Baltimore, Salisbury, Columbia, Maryland – TelecomRouting

Reference Data

Area Code Directory

Area Code 667 — Baltimore, Salisbury, Columbia, Maryland

Active

Data last updated: June 25, 2026

State

Maryland

Country

Timezone

America/New_York

Assigned

February 8, 2012

Exchanges (NXX)

786

Carriers

Rate Centers

102

Overlay

Yes — 410, 443

Top Carriers

Carrier	OCN	NXX Count
ONVOY, LLC - MD	876D	82
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	57
NEW CINGULAR WIRELESS PCS, LLC - DC	4036	53
CORE COMMUNICATIONS, INC.- MD	2593	41
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	24
TON80 COMMUNICATIONS, LLC	516J	21
BANDWIDTH.COM CLEC, LLC - MD	071F	16
ONVOY SPECTRUM, LLC	624H	15
BOOST SUBSCRIBERCO L.L.C.	490J	8
TELEPORT COMMUNICATIONS AMERICA, LLC - MD	7325	8

Rate Centers

COLUMBIA BEL AIR ELKTON BALTIMORE ANNAPOLIS TOWSON GREENSBORO SALISBURY ARGRGBSNIS STMICHAELS ABERDEEN CENTREVL GLENBURNIE PERRYVILLE WEST RIVER PRESTON RIDGELY ROCK HALL OXFORD STILL POND CECILTON CHESAPKECY DENTON GALENA CHESTERTN HILLSBORO REISTERSTN DUNDALK DELMAR VIENNA DARLINGTON WESTMINSTR PIKESVILLE ELKRIDGE SHERWD FOR BISHOPVL ELLICOTTCY TILGHMAN FORK HURLOCK BERLIN MILLINGTON SHARPTOWN CROFTON EDGEWOOD PRINCEFRCK ESSEX PARKVILLE PRINCEANNE COCKEYSVL WATERLO236 QUEENSTOWN RANDALLSTN CHURCHHILL CAMBRIDGE PARKTON NEWWINDSOR SYKESVILLE CHURCHVL CHASE CATONSVL FEDERALSBG WINGATE CARDIFF SEVERN EASTON ODENTON STEVENSVL HAMPSTEAD NORTHBEACH WATERLO238 SOLOMONS ARBUTUS MILLERSVL PT DEPOSIT UNION BDG TANEYTOWN HAVREGRACE NANTICOKE GLENWOOD DEALISLAND OCEAN CITY WOODLAWN SEVERNA PK RISING SUN WARWICK JARRETTSVL NORTH EAST BRYNPKLNCM MARION SNOW HILL SMITH IS TRAPPE FALLSTON SUDLERSVL WILLARDS SILVER RUN SPARKSGLNC SPARROWSPT POCOMOKE CRISFIELD WORTHINGTN

Exchange Listings (NXX)

NPA-NXX	Carrier	Rate Center	Type	LATA	Status
667-200	ONVOY, LLC - MD	COLUMBIA	Landline	238	active
667-201	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BEL AIR	Wireless	238	active
667-202	ONVOY, LLC - MD	ELKTON	Landline	238	active
667-203	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-204	PAETEC ITEL, LLC	ANNAPOLIS	VoIP	238	active
667-205	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-206	METROPCS, INC.	TOWSON	Wireless	238	active
667-207	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-208	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-209	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-210	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-212	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-213	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-214	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-215	COMCAST IP PHONE, LLC	ELKTON	VoIP	238	active
667-216	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-217	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-218	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-219	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-220	ONVOY, LLC - MD	GREENSBORO	Landline	242	active
667-221	TELNYX LLC	SALISBURY	VoIP	242	active
667-222	ONVOY, LLC - MD	ARGRGBSNIS	Landline	238	active
667-223	VONAGE AMERICA LLC	BALTIMORE	VoIP	238	active
667-224	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-225	NEW CINGULAR WIRELESS PCS, LLC - DC	ANNAPOLIS	Wireless	238	active
667-226	ONVOY, LLC - MD	STMICHAELS	Landline	242	active
667-227	ATLANTECH ONLINE, INC. - MD	SALISBURY	VoIP	242	active
667-228	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-229	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-230	PEERLESS NETWORK OF MARYLAND, LLC	CENTREVL	Landline	242	active
667-231	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-232	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	GLENBURNIE	VoIP	238	active
667-233	VERIZON MARYLAND, INC.	BALTIMORE	Landline	238	active
667-234	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-235	VONAGE AMERICA LLC	SALISBURY	VoIP	242	active
667-236	CORE COMMUNICATIONS, INC.- MD	PERRYVILLE	Landline	238	active
667-237	CORE COMMUNICATIONS, INC.- MD	WEST RIVER	Landline	238	active
667-238	CORE COMMUNICATIONS, INC.- MD	PRESTON	Landline	242	active
667-239	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE	Wireless	238	active
667-240	BARR TELL USA, INC.	COLUMBIA	Landline	238	active
667-241	CORE COMMUNICATIONS, INC.- MD	RIDGELY	Landline	242	active
667-242	CORE COMMUNICATIONS, INC.- MD	ROCK HALL	Landline	242	active
667-243	CORE COMMUNICATIONS, INC.- MD	OXFORD	Landline	242	active
667-244	CORE COMMUNICATIONS, INC.- MD	STILL POND	Landline	242	active
667-245	CORE COMMUNICATIONS, INC.- MD	CECILTON	Landline	242	active
667-246	CORE COMMUNICATIONS, INC.- MD	CENTREVL	Landline	242	active
667-247	CORE COMMUNICATIONS, INC.- MD	CHESAPKECY	Landline	242	active
667-248	CORE COMMUNICATIONS, INC.- MD	DENTON	Landline	242	active
667-249	CORE COMMUNICATIONS, INC.- MD	GALENA	Landline	242	active
667-250	ONVOY SPECTRUM, LLC	BALTIMORE	Wireless	238	active
667-251	LEVEL 3 COMMUNICATIONS, LLC - MD	TOWSON	Landline	238	active
667-252	ONVOY SPECTRUM, LLC	SALISBURY	Wireless	242	active
667-253	NUSO, LLC	SALISBURY	Wireless	242	active
667-254	CORE COMMUNICATIONS, INC.- MD	CHESTERTN	Landline	242	active
667-255	ONVOY, LLC - MD	HILLSBORO	Landline	242	active
667-256	EXIANT COMMUNICATIONS LLC	ABERDEEN	VoIP	238	active
667-257	VONAGE AMERICA LLC	COLUMBIA	VoIP	238	active
667-258	AIRESPRING, INC.	BALTIMORE	VoIP	238	active
667-259	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	REISTERSTN	Landline	238	active
667-260	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-261	NEW CINGULAR WIRELESS PCS, LLC - DC	COLUMBIA	Wireless	238	active
667-262	ONVOY SPECTRUM, LLC	BALTIMORE	Wireless	238	active
667-263	NEW CINGULAR WIRELESS PCS, LLC - DC	DUNDALK	Wireless	238	active
667-264	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	DELMAR	Landline	242	active
667-265	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	VIENNA	Landline	242	active
667-266	COMMIO, LLC	SALISBURY	VoIP	242	active
667-267	CORE COMMUNICATIONS, INC.- MD	ANNAPOLIS	Landline	238	active
667-268	BANDWIDTH.COM CLEC, LLC - MD	DARLINGTON	VoIP	238	active
667-269	CORE COMMUNICATIONS, INC.- MD	ELKTON	Landline	238	active
667-270	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	ANNAPOLIS	Wireless	238	active
667-271	EXIANT COMMUNICATIONS LLC	SALISBURY	VoIP	242	active
667-272	NEW CINGULAR WIRELESS PCS, LLC - DC	WESTMINSTR	Wireless	238	active
667-273	CSC WIRELESS, LLC	PIKESVILLE	Wireless	238	active
667-274	NEW CINGULAR WIRELESS PCS, LLC - DC	ELKRIDGE	Wireless	238	active
667-275	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	TOWSON	Wireless	238	active
667-276	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	BEL AIR	Landline	238	active
667-277	CORE COMMUNICATIONS, INC.- MD	SHERWD FOR	Landline	238	active
667-278	NEW CINGULAR WIRELESS PCS, LLC - DC	TOWSON	Wireless	238	active
667-279	ONVOY, LLC - MD	BISHOPVL	Landline	242	active
667-280	VONAGE AMERICA LLC	ELLICOTTCY	VoIP	238	active
667-281	PEERLESS NETWORK OF MARYLAND, LLC	SALISBURY	Landline	242	active
667-282	ONVOY, LLC - MD	TILGHMAN	Landline	242	active
667-283	AT&T - LOCAL	FORK	Landline	238	active
667-284	LEVEL 3 COMMUNICATIONS, LLC - MD	BALTIMORE	Landline	238	active
667-285	ONVOY, LLC - MD	HURLOCK	Landline	242	active
667-286	HD CARRIER LLC	SALISBURY	VoIP	242	active
667-287	NUSO, LLC	BISHOPVL	VoIP	242	active
667-288	LEVEL 3 COMMUNICATIONS, LLC - MD	BERLIN	Landline	242	active
667-289	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-290	IP HORIZON LLC	BALTIMORE	VoIP	238	active
667-291	ONVOY, LLC - MD	MILLINGTON	Landline	242	active
667-292	IP HORIZON LLC	SALISBURY	VoIP	242	active
667-293	ONVOY, LLC - MD	SHARPTOWN	Landline	242	active
667-294	NEW CINGULAR WIRELESS PCS, LLC - DC	TOWSON	Wireless	238	active
667-295	CORE COMMUNICATIONS, INC.- MD	CROFTON	Landline	238	active
667-296	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	REISTERSTN	Landline	238	active
667-297	METROPCS, INC.	EDGEWOOD	Wireless	238	active
667-298	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-299	HD CARRIER LLC	ANNAPOLIS	VoIP	238	active
667-300	CORE COMMUNICATIONS, INC.- MD	COLUMBIA	Landline	238	active
667-301	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	PRINCEFRCK	Wireless	238	active
667-302	TELNYX LLC	CECILTON	VoIP	242	active
667-303	NUSO, LLC	BALTIMORE	Wireless	238	active
667-304	BANDWIDTH.COM CLEC, LLC - MD	ESSEX	VoIP	238	active
667-305	NUSO, LLC	PIKESVILLE	Wireless	238	active
667-306	LEVEL 3 COMMUNICATIONS, LLC - MD	BALTIMORE	Landline	238	active
667-307	PEERLESS NETWORK OF MARYLAND, LLC	CROFTON	Landline	238	active
667-308	PEERLESS NETWORK OF MARYLAND, LLC	TOWSON	Landline	238	active
667-309	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-310	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PARKVILLE	Wireless	238	active
667-312	ATLANTECH ONLINE, INC. - MD	BALTIMORE	VoIP	238	active
667-313	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	PIKESVILLE	Landline	238	active
667-314	BARR TELL USA, INC.	WESTMINSTR	Landline	238	active
667-315	BANDWIDTH.COM CLEC, LLC - MD	BEL AIR	VoIP	238	active
667-316	TELNYX LLC	OXFORD	VoIP	242	active
667-317	LEVEL 3 COMMUNICATIONS, LLC - MD	PRINCEANNE	Landline	242	active
667-318	BANDWIDTH.COM CLEC, LLC - MD	COCKEYSVL	VoIP	238	active
667-319	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CHESTERTN	Wireless	242	active
667-320	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-321	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PRINCEFRCK	Wireless	238	active
667-322	ONVOY, LLC - MD	WATERLO236	Landline	236	active
667-323	LEVEL 3 COMMUNICATIONS, LLC - MD	QUEENSTOWN	Landline	242	active
667-324	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	RANDALLSTN	Wireless	238	active
667-325	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	GLENBURNIE	Wireless	238	active
667-326	CORE COMMUNICATIONS, INC.- MD	CHURCHHILL	Landline	242	active
667-327	ONVOY, LLC - MD	CAMBRIDGE	Landline	242	active
667-328	NEW CINGULAR WIRELESS PCS, LLC - DC	ESSEX	Wireless	238	active
667-329	TELNYX LLC	PARKTON	VoIP	238	active
667-330	PAETEC ITEL, LLC	SALISBURY	VoIP	242	active
667-331	NEW CINGULAR WIRELESS PCS, LLC - DC	TOWSON	Wireless	238	active
667-332	CORE COMMUNICATIONS, INC.- MD	NEWWINDSOR	Landline	238	active
667-333	BALTIMORE-WASHINGTON TELEPHONE (BWT)	ARGRGBSNIS	VoIP	238	active
667-334	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-335	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-336	CORE COMMUNICATIONS, INC.- MD	BEL AIR	Landline	238	active
667-337	ONVOY, LLC - MD	CENTREVL	Landline	242	active
667-338	ONVOY, LLC - MD	CROFTON	Landline	238	active
667-339	ONVOY, LLC - MD	SYKESVILLE	Landline	238	active
667-340	ONVOY, LLC - MD	CHURCHVL	Landline	238	active
667-341	ONVOY, LLC - MD	DELMAR	Landline	242	active
667-342	ONVOY, LLC - MD	PRESTON	Landline	242	active
667-343	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	CAMBRIDGE	Landline	242	active
667-344	TELNYX LLC	CHASE	VoIP	238	active
667-345	CORE COMMUNICATIONS, INC.- MD	CATONSVL	Landline	238	active
667-346	CSC WIRELESS, LLC	SALISBURY	Wireless	242	active
667-347	ONVOY, LLC - MD	FEDERALSBG	Landline	242	active
667-348	ONVOY, LLC - MD	RIDGELY	Landline	242	active
667-349	ONVOY, LLC - MD	STILL POND	Landline	242	active
667-350	ONVOY, LLC - MD	WINGATE	Landline	242	active
667-351	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-352	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-353	CORETEL MARYLAND, INC. - MD	CARDIFF	Landline	238	active
667-354	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-355	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-356	ONVOY, LLC - MD	SEVERN	Landline	238	active
667-357	ONVOY, LLC - MD	GREENSBORO	Landline	242	active
667-358	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	EASTON	Wireless	242	active
667-359	BANDWIDTH.COM CLEC, LLC - MD	COLUMBIA	VoIP	238	active
667-360	ONVOY, LLC - MD	ODENTON	Landline	238	active
667-361	ONVOY SPECTRUM, LLC	CHURCHHILL	Wireless	242	active
667-362	CORE COMMUNICATIONS, INC.- MD	ANNAPOLIS	Landline	238	active
667-363	ONVOY, LLC - MD	SHERWD FOR	Landline	238	active
667-364	CORE COMMUNICATIONS, INC.- MD	STEVENSVL	Landline	242	active
667-365	TON80 COMMUNICATIONS, LLC	CHESAPKECY	VoIP	242	active
667-366	CORE COMMUNICATIONS, INC.- MD	HAMPSTEAD	Landline	238	active
667-367	BALTIMORE-WASHINGTON TELEPHONE (BWT)	WESTMINSTR	VoIP	238	active
667-368	OMNIPOINT COMMUNICATIONS ENTERPRISES, LP	ELKTON	Wireless	238	active
667-369	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CATONSVL	Wireless	238	active
667-370	ONVOY, LLC - MD	PARKTON	Landline	238	active
667-371	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ELLICOTTCY	Wireless	238	active
667-372	CORE COMMUNICATIONS, INC.- MD	CAMBRIDGE	Landline	242	active
667-373	CORE COMMUNICATIONS, INC.- MD	NORTHBEACH	Landline	238	active
667-374	BANDWIDTH.COM CLEC, LLC - MD	WATERLO238	VoIP	238	active
667-375	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CHASE	Wireless	238	active
667-376	ONVOY, LLC - MD	OXFORD	Landline	242	active
667-377	ONVOY, LLC - MD	ROCK HALL	Landline	242	active
667-378	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ESSEX	Wireless	238	active
667-379	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-380	ONVOY, LLC - MD	ANNAPOLIS	Landline	238	active
667-381	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PARKVILLE	Wireless	238	active
667-382	CORE COMMUNICATIONS, INC.- MD	WINGATE	Landline	242	active
667-383	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	TOWSON	Wireless	238	active
667-384	BOOST SUBSCRIBERCO L.L.C.	SALISBURY	Wireless	242	active
667-385	BOOST SUBSCRIBERCO L.L.C.	SOLOMONS	Wireless	238	active
667-386	METROPCS, INC.	ARBUTUS	Wireless	238	active
667-387	ONVOY, LLC - MD	PERRYVILLE	Landline	238	active
667-388	NEW CINGULAR WIRELESS PCS, LLC - DC	SEVERN	Wireless	238	active
667-389	COMMIO, LLC	CAMBRIDGE	VoIP	242	active
667-390	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	RANDALLSTN	Wireless	238	active
667-391	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-392	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-393	BANDWIDTH.COM CLEC, LLC - MD	MILLERSVL	VoIP	238	active
667-394	BANDWIDTH.COM CLEC, LLC - MD	NEWWINDSOR	VoIP	238	active
667-395	BANDWIDTH.COM CLEC, LLC - MD	CARDIFF	VoIP	238	active
667-396	ONVOY, LLC - MD	PT DEPOSIT	Landline	238	active
667-397	ONVOY, LLC - MD	SOLOMONS	Landline	238	active
667-398	BANDWIDTH.COM CLEC, LLC - MD	PT DEPOSIT	VoIP	238	active
667-399	HD CARRIER LLC	UNION BDG	VoIP	238	active
667-400	BARR TELL USA, INC.	BALTIMORE	Landline	238	active
667-401	LEVEL 3 COMMUNICATIONS, LLC - MD	BALTIMORE	Landline	238	active
667-402	TELNYX LLC	BALTIMORE	VoIP	238	active
667-403	ONVOY, LLC - MD	TOWSON	Landline	238	active
667-404	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PRINCEFRCK	Wireless	238	active
667-405	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	GLENBURNIE	Wireless	238	active
667-406	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-407	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-408	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	ANNAPOLIS	Wireless	238	active
667-409	BANDWIDTH.COM CLEC, LLC - MD	PARKVILLE	VoIP	238	active
667-410	NEW CINGULAR WIRELESS PCS, LLC - DC	SEVERN	Wireless	238	active
667-412	NUSO, LLC	EASTON	VoIP	242	active
667-413	NUSO, LLC	ARGRGBSNIS	VoIP	238	active
667-414	BANDWIDTH.COM CLEC, LLC - MD	BALTIMORE	VoIP	238	active
667-415	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-416	BANDWIDTH.COM CLEC, LLC - MD	ESSEX	VoIP	238	active
667-417	BANDWIDTH.COM CLEC, LLC - MD	GLENBURNIE	VoIP	238	active
667-418	COMCAST IP PHONE, LLC	GREENSBORO	VoIP	242	active
667-419	NEW CINGULAR WIRELESS PCS, LLC - DC	CATONSVL	Wireless	238	active
667-420	BOOST SUBSCRIBERCO L.L.C.	FEDERALSBG	Wireless	242	active
667-421	TELNYX LLC	COLUMBIA	VoIP	238	active
667-422	CENTURYLINK COMMUNICATIONS, LLC	BALTIMORE	VoIP	238	active
667-423	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ANNAPOLIS	Wireless	238	active
667-424	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	ODENTON	Landline	238	active
667-425	NUSO, LLC	BALTIMORE	VoIP	238	active
667-426	ONVOY, LLC - MD	TANEYTOWN	Landline	238	active
667-427	ONVOY, LLC - MD	WEST RIVER	Landline	238	active
667-428	NUSO, LLC	SALISBURY	VoIP	242	active
667-429	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-430	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-431	METROPCS, INC.	ARBUTUS	Wireless	238	active
667-432	NEW CINGULAR WIRELESS PCS, LLC - DC	CATONSVL	Wireless	238	active
667-433	NEW CINGULAR WIRELESS PCS, LLC - DC	CATONSVL	Wireless	238	active
667-434	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-435	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-436	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	TOWSON	Wireless	238	active
667-437	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE	Wireless	238	active
667-438	NEW CINGULAR WIRELESS PCS, LLC - DC	CATONSVL	Wireless	238	active
667-439	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PIKESVILLE	Wireless	238	active
667-440	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-441	NEW CINGULAR WIRELESS PCS, LLC - DC	PARKVILLE	Wireless	238	active
667-442	NEW CINGULAR WIRELESS PCS, LLC - DC	ESSEX	Wireless	238	active
667-443	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CHASE	Wireless	238	active
667-444	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-445	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CATONSVL	Wireless	238	active
667-446	TON80 COMMUNICATIONS, LLC	ELKRIDGE	VoIP	238	active
667-447	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	COLUMBIA	Wireless	238	active
667-448	NEW CINGULAR WIRELESS PCS, LLC - DC	REISTERSTN	Wireless	238	active
667-449	COMMIO, LLC	PRESTON	VoIP	242	active
667-450	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-451	NEW CINGULAR WIRELESS PCS, LLC - DC	FORK	Wireless	238	active
667-452	NEW CINGULAR WIRELESS PCS, LLC - DC	CATONSVL	Wireless	238	active
667-453	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PRINCEFRCK	Wireless	238	active
667-454	VONAGE AMERICA LLC	BEL AIR	VoIP	238	active
667-455	VONAGE AMERICA LLC	EDGEWOOD	VoIP	238	active
667-456	NEW CINGULAR WIRELESS PCS, LLC - DC	DUNDALK	Wireless	238	active
667-457	COMMIO, LLC	CHURCHHILL	VoIP	242	active
667-458	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	ANNAPOLIS	Wireless	238	active
667-459	COMMIO, LLC	OXFORD	VoIP	242	active
667-460	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-461	FIVE9, INC.	BALTIMORE	VoIP	238	active
667-462	BOOST SUBSCRIBERCO L.L.C.	ELKTON	Wireless	238	active
667-463	FIVE9, INC.	DARLINGTON	VoIP	238	active
667-464	TON80 COMMUNICATIONS, LLC	BALTIMORE	VoIP	238	active
667-465	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-466	TON80 COMMUNICATIONS, LLC	HAVREGRACE	VoIP	238	active
667-467	ONVOY SPECTRUM, LLC	DENTON	Wireless	242	active
667-468	TON80 COMMUNICATIONS, LLC	NANTICOKE	VoIP	242	active
667-469	ONVOY, LLC - MD	BEL AIR	Landline	238	active
667-470	NEW CINGULAR WIRELESS PCS, LLC - DC	GLENBURNIE	Wireless	238	active
667-471	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-472	ONVOY, LLC - MD	PRINCEANNE	Landline	242	active
667-473	CORE COMMUNICATIONS, INC.- MD	SOLOMONS	Landline	238	active
667-474	ONVOY, LLC - MD	ARGRGBSNIS	Landline	238	active
667-475	ONVOY, LLC - MD	CROFTON	Landline	238	active
667-476	ONVOY, LLC - MD	GLENWOOD	Landline	238	active
667-477	ONVOY, LLC - MD	HAMPSTEAD	Landline	238	active
667-478	ONVOY, LLC - MD	SYKESVILLE	Landline	238	active
667-479	ONVOY, LLC - MD	ELLICOTTCY	Landline	238	active
667-480	ONVOY, LLC - MD	WATERLO236	Landline	236	active
667-481	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-482	NEW CINGULAR WIRELESS PCS, LLC - DC	CATONSVL	Wireless	238	active
667-483	TON80 COMMUNICATIONS, LLC	DEALISLAND	VoIP	242	active
667-484	BOOST SUBSCRIBERCO L.L.C.	WESTMINSTR	Wireless	238	active
667-485	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	CAMBRIDGE	Wireless	242	active
667-486	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	PRINCEFRCK	Wireless	238	active
667-487	CALLWORKS CORPORATION	BALTIMORE	VoIP	238	active
667-488	CALLWORKS CORPORATION	SALISBURY	VoIP	242	active
667-489	ONVOY, LLC - MD	HAMPSTEAD	Landline	238	active
667-490	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-491	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-492	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	SEVERN	Landline	238	active
667-493	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ANNAPOLIS	Wireless	238	active
667-494	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-495	LEAP TELECOM, LLC	BALTIMORE	VoIP	238	active
667-496	LEAP TELECOM, LLC	SALISBURY	VoIP	242	active
667-497	AT&T - LOCAL	OCEAN CITY	Landline	242	active
667-498	AT&T - LOCAL	ARBUTUS	Landline	238	active
667-499	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-500	CORE COMMUNICATIONS, INC.- MD	ANNAPOLIS	Landline	238	active
667-501	NEW CINGULAR WIRELESS PCS, LLC - DC	DUNDALK	Wireless	238	active
667-502	NEW CINGULAR WIRELESS PCS, LLC - DC	COLUMBIA	Wireless	238	active
667-503	ONVOY SPECTRUM, LLC	BALTIMORE	Wireless	238	active
667-504	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-505	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-506	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-507	NEW CINGULAR WIRELESS PCS, LLC - DC	SEVERN	Wireless	238	active
667-508	NEW CINGULAR WIRELESS PCS, LLC - DC	WOODLAWN	Wireless	238	active
667-509	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	SEVERNA PK	Wireless	238	active
667-510	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-512	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-513	LEAP TELECOM, LLC	BALTIMORE	VoIP	238	active
667-514	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-515	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-516	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-517	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CATONSVL	Wireless	238	active
667-518	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-519	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Wireless	238	active
667-520	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-521	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-522	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-523	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ODENTON	VoIP	238	active
667-524	BANDWIDTH.COM CLEC, LLC - MD	SALISBURY	VoIP	242	active
667-525	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-526	TON80 COMMUNICATIONS, LLC	CENTREVL	VoIP	242	active
667-527	BOOST SUBSCRIBERCO L.L.C.	GLENBURNIE	Wireless	238	active
667-528	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Wireless	238	active
667-529	FRACTEL, LLC	HURLOCK	VoIP	242	active
667-530	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Landline		active
667-531	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Landline		active
667-532	ONVOY, LLC - MD	PARKVILLE	Landline		active
667-533	WAVENATION, LLC	PIKESVILLE	Landline		active
667-534	WAVENATION, LLC	SALISBURY	Landline		active
667-535	BOOST SUBSCRIBERCO L.L.C.	RISING SUN	Landline		active
667-536	BOOST SUBSCRIBERCO L.L.C.	STILL POND	Landline		active
667-537	NEW CINGULAR WIRELESS PCS, LLC - DC	ESSEX	Landline		active
667-538	ONVOY, LLC - MD	CHURCHVL	Landline		active
667-539	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE	Landline		active
667-540	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Landline		active
667-541	NEW CINGULAR WIRELESS PCS, LLC - DC	GLENBURNIE	Landline		active
667-542	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ABERDEEN	Landline		active
667-543	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Landline		active
667-544	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Landline		active
667-545	CORE COMMUNICATIONS, INC.- MD	WARWICK	Landline	242	active
667-546	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	PRINCEFRCK	Landline		active
667-547	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	BALTIMORE	Landline		active
667-548	ONVOY, LLC - MD	TOWSON	Landline		active
667-549	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ANNAPOLIS	Landline		active
667-550			Landline		active
667-551			Landline		active
667-552			Landline		active
667-553			Landline		active
667-554			Landline		active
667-556			Landline		active
667-557			Landline		active
667-558			Landline		active
667-559			Landline		active
667-560			Landline		active
667-561			Landline		active
667-562			Landline		active
667-563			Landline		active
667-564			Landline		active
667-565			Landline		active
667-566	COMMIO, LLC	STEVENSVL	VoIP	242	active
667-567	ONVOY, LLC - MD	HAVREGRACE	Landline	238	active
667-568			Landline		active
667-569			Landline		active
667-570			Landline		active
667-571			Landline		active
667-572			Landline		active
667-573			Landline		active
667-574			Landline		active
667-575			Landline		active
667-576	ONVOY, LLC - MD	JARRETTSVL	Landline	238	active
667-577	FRACTEL, LLC	ELKTON	VoIP	238	active
667-578			Landline		active
667-579			Landline		active
667-580			Landline		active
667-581			Landline		active
667-582			Landline		active
667-583			Landline		active
667-584			Landline		active
667-585			Landline		active
667-586			Landline		active
667-587			Landline		active
667-588			Landline		active
667-589			Landline		active
667-590			Landline		active
667-591			Landline		active
667-592			Landline		active
667-593			Landline		active
667-594			Landline		active
667-595			Landline		active
667-596	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE	Wireless	238	active
667-597			Landline		active
667-598			Landline		active
667-599			Landline		active
667-600	EVOLVE CELLULAR, INC.	BALTIMORE	Wireless	238	active
667-601			Landline		active
667-602			Landline		active
667-603			Landline		active
667-604			Landline		active
667-605			Landline		active
667-606			Landline		active
667-607			Landline		active
667-608			Landline		active
667-609			Landline		active
667-610			Landline		active
667-612			Landline		active
667-613			Landline		active
667-614			Landline		active
667-615			Landline		active
667-616			Landline		active
667-617			Landline		active
667-618			Landline		active
667-619			Landline		active
667-620			Landline		active
667-621			Landline		active
667-622	TON80 COMMUNICATIONS, LLC	PIKESVILLE	VoIP	238	active
667-623			Landline		active
667-624			Landline		active
667-625			Landline		active
667-626	TON80 COMMUNICATIONS, LLC	CATONSVL	VoIP	238	active
667-627	CORE COMMUNICATIONS, INC.- MD	ANNAPOLIS	Landline	238	active
667-628			Landline		active
667-629			Landline		active
667-630			Landline		active
667-631			Landline		active
667-632			Landline		active
667-633			Landline		active
667-634			Landline		active
667-635			Landline		active
667-636			Landline		active
667-637			Landline		active
667-638			Landline		active
667-639			Landline		active
667-640			Landline		active
667-641			Landline		active
667-642			Landline		active
667-643			Landline		active
667-644	ONVOY SPECTRUM, LLC	SEVERNA PK	Wireless	238	active
667-645			Landline		active
667-646	TON80 COMMUNICATIONS, LLC	ANNAPOLIS	VoIP	238	active
667-647	ONVOY SPECTRUM, LLC	NORTH EAST	Wireless	238	active
667-648			Landline		active
667-649			Landline		active
667-650			Landline		active
667-651			Landline		active
667-652			Landline		active
667-653	CORE COMMUNICATIONS, INC.- MD	BRYNPKLNCM	Landline	238	active
667-654			Landline		active
667-655			Landline		active
667-656	ONVOY SPECTRUM, LLC	EDGEWOOD	Wireless	238	active
667-657	ONVOY, LLC - MD	CHASE	Landline	238	active
667-658			Landline		active
667-659			Landline		active
667-660	ONVOY, LLC - MD	MARION	Landline	242	active
667-661	ONVOY, LLC - MD	SNOW HILL	Landline	242	active
667-662	ONVOY, LLC - MD	SMITH IS	Landline	242	active
667-663	ONVOY, LLC - MD	OCEAN CITY	Landline	242	active
667-664	ONVOY, LLC - MD	TRAPPE	Landline	242	active
667-665	ONVOY SPECTRUM, LLC	HILLSBORO	Wireless	242	active
667-666	ONVOY, LLC - MD	WEST RIVER	Landline	238	active
667-667	ONVOY, LLC - MD	PIKESVILLE	Landline	238	active
667-668	ONVOY SPECTRUM, LLC	FALLSTON	Wireless	238	active
667-669	ONVOY SPECTRUM, LLC	GALENA	Wireless	242	active
667-670	ONVOY, LLC - MD	SUDLERSVL	Landline	242	active
667-671			Landline		active
667-672			Landline		active
667-673			Landline		active
667-674			Landline		active
667-675			Landline		active
667-676	ONVOY, LLC - MD	WILLARDS	Landline	242	active
667-677	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-678	ONVOY, LLC - MD	COLUMBIA	Landline	238	active
667-679			Landline		active
667-680			Landline		active
667-681			Landline		active
667-682			Landline		active
667-683			Landline		active
667-684			Landline		active
667-685			Landline		active
667-686	CORE COMMUNICATIONS, INC.- MD	ELLICOTTCY	Landline	238	active
667-687	ONVOY, LLC - MD	WARWICK	Landline	242	active
667-688	FRACTEL, LLC	PARKVILLE	VoIP	238	active
667-689			Landline		active
667-690			Landline		active
667-691			Landline		active
667-692			Landline		active
667-693	TON80 COMMUNICATIONS, LLC	VIENNA	VoIP	242	active
667-694			Landline		active
667-695			Landline		active
667-696			Landline		active
667-697			Landline		active
667-698			Landline		active
667-699			Landline		active
667-701	NEW CINGULAR WIRELESS PCS, LLC - DC	ELKRIDGE	Wireless	238	active
667-702			Landline		active
667-703			Landline		active
667-704			Landline		active
667-705			Landline		active
667-706	OMNIPOINT COMMUNICATIONS ENTERPRISES, LP	ELKTON	Wireless	238	active
667-707			Landline		active
667-708			Landline		active
667-709			Landline		active
667-710			Landline		active
667-712			Landline		active
667-713			Landline		active
667-714			Landline		active
667-715			Landline		active
667-716			Landline		active
667-717			Landline		active
667-718			Landline		active
667-719			Landline		active
667-720			Landline		active
667-721			Landline		active
667-722	CORE COMMUNICATIONS, INC.- MD	GLENWOOD	Landline	238	active
667-723			Landline		active
667-724			Landline		active
667-725			Landline		active
667-726			Landline		active
667-727	CORE COMMUNICATIONS, INC.- MD	SUDLERSVL	Landline	242	active
667-728			Landline		active
667-729			Landline		active
667-730			Landline		active
667-731			Landline		active
667-732			Landline		active
667-733			Landline		active
667-734			Landline		active
667-735			Landline		active
667-736			Landline		active
667-737	TON80 COMMUNICATIONS, LLC	PERRYVILLE	VoIP	238	active
667-738	OPENTACT INC.	SALISBURY	Landline		active
667-739			Landline		active
667-740			Landline		active
667-741			Landline		active
667-742			Landline		active
667-743	TON80 COMMUNICATIONS, LLC	QUEENSTOWN	VoIP	242	active
667-744			Landline		active
667-745			Landline		active
667-746	TON80 COMMUNICATIONS, LLC	GLENWOOD	VoIP	238	active
667-747			Landline		active
667-748			Landline		active
667-749			Landline		active
667-750			Landline		active
667-751			Landline		active
667-752			Landline		active
667-753			Landline		active
667-754			Landline		active
667-755	QUANTUM TELECOMMUNICATIONS, INC. - MD	PIKESVILLE	Landline	238	active
667-756			Landline		active
667-757			Landline		active
667-758	FRACTEL, LLC	SILVER RUN	VoIP	238	active
667-759			Landline		active
667-760			Landline		active
667-761			Landline		active
667-762			Landline		active
667-763			Landline		active
667-764			Landline		active
667-765			Landline		active
667-766	ONVOY, LLC - MD	STEVENSVL	Landline	242	active
667-767	ONVOY, LLC - MD	STMICHAELS	Landline	242	active
667-768			Landline		active
667-769			Landline		active
667-770	AIRUS, INC. - MD	BALTIMORE	Landline	238	active
667-771	WIDE VOICE, LLC - MD	BALTIMORE	Landline	238	active
667-772	ONVOY SPECTRUM, LLC	SPARKSGLNC	Wireless	238	active
667-773			Landline		active
667-774			Landline		active
667-775	ONVOY SPECTRUM, LLC	MILLINGTON	Wireless	242	active
667-776	HD CARRIER LLC	BALTIMORE	VoIP	238	active
667-777	PEERLESS NETWORK OF MARYLAND, LLC	SEVERNA PK	Landline	238	active
667-778	ONVOY SPECTRUM, LLC	SPARROWSPT	Wireless	238	active
667-779			Landline		active
667-780			Landline		active
667-781			Landline		active
667-782			Landline		active
667-783			Landline		active
667-784			Landline		active
667-785			Landline		active
667-786	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	COLUMBIA	Landline	238	active
667-787			Landline		active
667-788	QUANTUM TELECOMMUNICATIONS, INC. - MD	WESTMINSTR	Landline	238	active
667-789			Landline		active
667-790			Landline		active
667-791			Landline		active
667-792			Landline		active
667-793			Landline		active
667-794			Landline		active
667-795			Landline		active
667-796			Landline		active
667-797			Landline		active
667-798			Landline		active
667-799			Landline		active
667-800	ONVOY, LLC - MD	SALISBURY	Landline	242	active
667-801			Landline		active
667-802	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	CATONSVL	Wireless	238	active
667-803	BANDWIDTH.COM CLEC, LLC - MD	SOLOMONS	VoIP	238	active
667-804			Landline		active
667-805			Landline		active
667-806			Landline		active
667-807			Landline		active
667-808	PEERLESS NETWORK OF MARYLAND, LLC	EASTON	Landline	242	active
667-809			Landline		active
667-810	ONVOY, LLC - MD	SALISBURY	Landline	242	active
667-812	VERIZON MARYLAND, INC.	WATERLO236	Landline	236	active
667-813			Landline		active
667-814			Landline		active
667-815			Landline		active
667-816			Landline		active
667-817			Landline		active
667-818			Landline		active
667-819			Landline		active
667-820			Landline		active
667-821			Landline		active
667-822			Landline		active
667-823			Landline		active
667-824	TON80 COMMUNICATIONS, LLC	EDGEWOOD	VoIP	238	active
667-825			Landline		active
667-826			Landline		active
667-827	TON80 COMMUNICATIONS, LLC	BERLIN	VoIP	242	active
667-828			Landline		active
667-829			Landline		active
667-830			Landline		active
667-831			Landline		active
667-832	TON80 COMMUNICATIONS, LLC	BRYNPKLNCM	VoIP	238	active
667-833			Landline		active
667-834			Landline		active
667-835			Landline		active
667-836			Landline		active
667-837	CORE COMMUNICATIONS, INC.- MD	PT DEPOSIT	Landline	238	active
667-838			Landline		active
667-839			Landline		active
667-840			Landline		active
667-841			Landline		active
667-842	FRACTEL, LLC	WOODLAWN	VoIP	238	active
667-843	CORE COMMUNICATIONS, INC.- MD	DEALISLAND	Landline	242	active
667-844			Landline		active
667-845			Landline		active
667-846	TON80 COMMUNICATIONS, LLC	COCKEYSVL	VoIP	238	active
667-847			Landline		active
667-848	TON80 COMMUNICATIONS, LLC	ABERDEEN	VoIP	238	active
667-849			Landline		active
667-850			Landline		active
667-851			Landline		active
667-852			Landline		active
667-853	CORETEL MARYLAND, INC. - MD	POCOMOKE	Landline	242	active
667-854			Landline		active
667-855	TERRA NOVA TELECOM INC.	SALISBURY	VoIP	242	active
667-856	TON80 COMMUNICATIONS, LLC	DUNDALK	VoIP	238	active
667-857			Landline		active
667-858			Landline		active
667-859			Landline		active
667-860			Landline		active
667-861			Landline		active
667-862			Landline		active
667-863			Landline		active
667-864			Landline		active
667-865			Landline		active
667-866	CORE COMMUNICATIONS, INC.- MD	DARLINGTON	Landline	238	active
667-867	COMMIO, LLC	BALTIMORE	VoIP	238	active
667-868	CHARTER IP ENABLED SERVICES, LLC	CRISFIELD	VoIP	242	active
667-869			Landline		active
667-870			Landline		active
667-871			Landline		active
667-872			Landline		active
667-873			Landline		active
667-874			Landline		active
667-875			Landline		active
667-876	CORE COMMUNICATIONS, INC.- MD	ANNAPOLIS	Landline	238	active
667-877	COMMIO, LLC	PIKESVILLE	VoIP	238	active
667-878			Landline		active
667-879			Landline		active
667-880			Landline		active
667-881			Landline		active
667-882			Landline		active
667-883			Landline		active
667-884			Landline		active
667-885			Landline		active
667-886			Landline		active
667-887	ONVOY, LLC - MD	WORTHINGTN	Landline	238	active
667-888	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-889			Landline		active
667-890	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ODENTON	VoIP	238	active
667-891	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ODENTON	VoIP	238	active
667-892	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ODENTON	VoIP	238	active
667-893	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ODENTON	VoIP	238	active
667-894	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ODENTON	VoIP	238	active
667-895	TWILIO INTERNATIONAL, INC.	BALTIMORE	VoIP	238	active
667-896			Landline		active
667-897	TWILIO INTERNATIONAL, INC.	CHESAPKECY	VoIP	242	active
667-898			Landline		active
667-899	FRACTEL, LLC	BALTIMORE	VoIP	238	active
667-900	TERRA NOVA TELECOM INC.	BALTIMORE	VoIP	238	active
667-901			Landline		active
667-902			Landline		active
667-903			Landline		active
667-904			Landline		active
667-905			Landline		active
667-906			Landline		active
667-907			Landline		active
667-908			Landline		active
667-909			Landline		active
667-910	ONVOY, LLC - MD	BALTIMORE	Landline	238	active
667-912			Landline		active
667-913			Landline		active
667-914			Landline		active
667-915			Landline		active
667-916			Landline		active
667-917			Landline		active
667-918			Landline		active
667-919			Landline		active
667-920			Landline		active
667-921			Landline		active
667-922			Landline		active
667-923			Landline		active
667-924			Landline		active
667-925	CORETEL MARYLAND, INC. - MD	BEL AIR	Landline	238	active
667-926			Landline		active
667-927			Landline		active
667-928			Landline		active
667-929			Landline		active
667-930	PEERLESS NETWORK OF MARYLAND, LLC	BALTIMORE	VoIP	238	active
667-931			Landline		active
667-932			Landline		active
667-933			Landline		active
667-934			Landline		active
667-935			Landline		active
667-936			Landline		active
667-937			Landline		active
667-938			Landline		active
667-939			Landline		active
667-940			Landline		active
667-941			Landline		active
667-942	TON80 COMMUNICATIONS, LLC	ABERDEEN	VoIP	238	active
667-943			Landline		active
667-944			Landline		active
667-945			Landline		active
667-946	CORE COMMUNICATIONS, INC.- MD	CHURCHVL	Landline	238	active
667-947			Landline		active
667-948			Landline		active
667-949			Landline		active
667-951			Landline		active
667-952			Landline		active
667-953			Landline		active
667-954			Landline		active
667-955			Landline		active
667-956			Landline		active
667-957			Landline		active
667-960			Landline		active
667-961			Landline		active
667-962	ONVOY, LLC - MD	NORTHBEACH	Landline	238	active
667-963			Landline		active
667-964			Landline		active
667-965			Landline		active
667-966	ONVOY, LLC - MD	NEWWINDSOR	Landline	238	active
667-967	BARR TELL USA, INC.	GLENBURNIE	Landline	238	active
667-968			Landline		active
667-969			Landline		active
667-970			Landline		active
667-971			Landline		active
667-972			Landline		active
667-973			Landline		active
667-974			Landline		active
667-975			Landline		active
667-977	FRACTEL, LLC	SALISBURY	VoIP	242	active
667-978			Landline		active
667-979			Landline		active
667-980			Landline		active
667-981			Landline		active
667-982			Landline		active
667-983			Landline		active
667-984			Landline		active
667-985			Landline		active
667-986			Landline		active
667-987			Landline		active
667-988			Landline		active
667-989			Landline		active
667-990			Landline		active
667-991			Landline		active
667-992			Landline		active
667-993			Landline		active
667-994			Landline		active
667-995			Landline		active
667-996			Landline		active
667-997			Landline		active
667-998			Landline		active
667-999	ONVOY, LLC - MD	ELKRIDGE	Landline	238	active

Area code 667 shares its geographic region with the following overlay area codes:

410 443

Area Code 667 — Baltimore, Salisbury, Columbia, Maryland

Top Carriers

Rate Centers

Exchange Listings (NXX)

Related Area Codes