NILES — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OHIO BELL TEL CO | 9321 | 4 |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 2 |
| FIRST COMMUNICATIONS, LLC | 460K | 1 |
| NUSO, LLC | 478J | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| OHIO BELL TEL CO | 9321 | 4 |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 2 |
| FIRST COMMUNICATIONS, LLC | 460K | 1 |
| NUSO, LLC | 478J | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |