CENTREVL — MD
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON MARYLAND, INC. | 9212 | 2 |
| CORE COMMUNICATIONS, INC.- MD | 2593 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| PEERLESS NETWORK OF MARYLAND, LLC | 568G | 1 |