HILLIARD — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | 9 |
| OHIO BELL TEL CO | 9321 | 7 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 5 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 3 |
| PAETEC ITEL, LLC | 829J | 3 |