AUBURN — MI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| 123.NET, LLC | 2550 | 1 |
| NUSO, LLC | 478J | 1 |
| TELNET WORLDWIDE, INC. | 817J | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| MICHIGAN BELL TEL CO | 9323 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| 123.NET, LLC | 2550 | 1 |
| NUSO, LLC | 478J | 1 |
| TELNET WORLDWIDE, INC. | 817J | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| MICHIGAN BELL TEL CO | 9323 | 1 |