WILLIAMSPT — MD
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - MD | 071F | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| ONVOY, LLC - MD | 876D | 1 |
| VERIZON MARYLAND, INC. | 9212 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - MD | 071F | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| ONVOY, LLC - MD | 876D | 1 |
| VERIZON MARYLAND, INC. | 9212 | 1 |