HARLAN — KY
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | 2 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 2 |
| ONVOY, LLC - KY | 896E | 2 |
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 2 |
| EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS | 6940 | 1 |