Prefix 787-341 — Arroyo, PR
Numbers in the 787-341 prefix are registered to the Arroyo rate center in PR, inside area code 787. The prefix is the second block of a ten-digit US number (787-341-XXXX) and pins the number to a billing locality.
The assigned code holder is SUNCOM DBA T-MOBILE USA, operating company number 8645, assigned September 26, 2005. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
The serving LATA is 820. Local time follows the Atlantic zone.
Spoofing means this prefix on your screen doesn't guarantee a Arroyo caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 787-338 | Bayamon Norte | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR |
| 787-339 | Santurce | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR |
| 787-340 | Santurce | LIBERTY MOBILE PUERTO RICO INC. |
| 787-342 | Santurce | LIBERTY MOBILE PUERTO RICO INC. |
| 787-344 | Santurce | SUNCOM DBA T-MOBILE USA |
| 787-345 | Vega Baja | METROPCS, INC. |
FAQ
Where is 787-341 located?
The prefix is assigned to the Arroyo rate center in PR, area code 787.
Which company owns 787-341 numbers?
SUNCOM DBA T-MOBILE USA holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 787-341 safe to answer?
The prefix itself says nothing about the caller. Legitimate Arroyo businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.