SHEFFIELD — AL
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 5 |
| PAETEC ITEL, LLC | 829J | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | 1 |