ALLENDALE — SC
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 2 |
| BANDWIDTH.COM CLEC, LLC - SC | 077F | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |