MARTIN — SD
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 7 |
| GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | 1659 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 7 |
| GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | 1659 | 1 |