CARTERLAKE — IA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - IA | 221F | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| METROPCS, INC. | 5562 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| QWEST CORPORATION | 9631 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - IA | 221F | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| METROPCS, INC. | 5562 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| QWEST CORPORATION | 9631 | 1 |