CAROLINA — PR
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SUNCOM DBA T-MOBILE USA | 8645 | 14 |
| PUERTO RICO TEL. CO. | 3201 | 10 |
| LIBERTY MOBILE PUERTO RICO INC. | 639J | 5 |
| METROPCS, INC. | 5562 | 2 |
| OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR | 087D | 1 |