FAIRFIELD — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CORE COMMUNICATIONS, INC. - PA | 3806 | 2 |
| BRIGHTSPEED OF PENNSYLVANIA, LLC | 0209 | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CORE COMMUNICATIONS, INC. - PA | 3806 | 2 |
| BRIGHTSPEED OF PENNSYLVANIA, LLC | 0209 | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |