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Location: Caribbean, island between the Caribbean Sea and the North Atlantic Ocean, east of the Dominican Republic
Cities: San Juan*,Guayama,Carolina
| Raw Number | 787770 |
| Basic Format | 787-770 |
| NPA (Area Code) | 787 |
| NXX | 770 |
| NPA-NXX-X | Use Type | State |
|---|---|---|
| 787-770-XXXX | UA | PR |
Reports