Phone numbers in Gurabo, Puerto Rico
Gurabo has 5 phone prefixes in area codes 787, 939.
Biggest holders: Puerto Rico Tel, Optivon Telecommunications Services, Liberty Mobile Puerto Rico. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 20%
- Local phone company 40%
- Phone company 40%
Every prefix in Gurabo
Search the first six digits of a number in this list. If it's here, the number started in Gurabo with the carrier shown. If it isn't, check the Puerto Rico page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 787-491 | Optivon Telecommunications Services | Phone company | – |
| 787-687 | Liberty Mobile Puerto Rico | Mobile carrier | – |
| 787-712 | Puerto Rico Tel | Local phone company | – |
| 787-737 | Puerto Rico Tel | Local phone company | – |
| 939-687 | Liberty Communications Of Puerto Rico | Phone company | 2017 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.