INDIANHEAD — MD
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PEERLESS NETWORK OF MARYLAND, LLC | 568G | 3 |
| VERIZON MARYLAND, INC. | 9212 | 3 |
| BANDWIDTH.COM CLEC, LLC - MD | 071F | 1 |
| YMAX COMMUNICATIONS CORP. - MD | 281E | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |