Reference Data
Rate Center Directory
VIENNA, MD Rate Center

VIENNA — MD

Data last updated: June 25, 2026

LATA
242
State
MD
Area Codes
3
Exchanges (NXX)
4
Carriers
4
Coordinates
38.48456901948809, -75.82489137821565

Area Codes

410 443 667

Top Carriers

CarrierOCNNXX Count
TON80 COMMUNICATIONS, LLC516J1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC72291
PAETEC ITEL, LLC829J1
VERIZON MARYLAND, INC.92121