MAYAGUEZ — PR
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PUERTO RICO TEL. CO. | 3201 | 8 |
| SUNCOM DBA T-MOBILE USA | 8645 | 8 |
| OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR | 087D | 1 |
| PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | 1 |
| LIBERTY MOBILE PUERTO RICO INC. | 8305 | 1 |