WILLIAMS — IA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| MCC TELEPHONY OF IOWA, LLC - IA | 751F | 1 |
| QWEST CORPORATION | 9631 | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| MCC TELEPHONY OF IOWA, LLC - IA | 751F | 1 |
| QWEST CORPORATION | 9631 | 1 |
| FRACTEL, LLC | 965H | 1 |