CARROLL — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| OHIO BELL TEL CO | 9321 | 1 |