Prefix 787-677 — Ponce, PR
787-677 identifies a block of numbers in Ponce, PR, within the 787 area code. Every US prefix is tied to exactly one rate center; this one is Ponce.
The serving LATA is 820. Local time follows the Atlantic zone.
Treat the on-screen number as a hint, not evidence — 787-677 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
NANPA's central-office code records list SUNCOM DBA T-MOBILE USA (OCN 8645) as the code holder, assigned December 8, 2003. Because 787-677 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 787-674 | Santurce | SUNCOM DBA T-MOBILE USA |
| 787-675 | Bayamon Sur | LIBERTY MOBILE PUERTO RICO INC. |
| 787-676 | Humacao | METROPCS, INC. |
| 787-678 | Cayey | SUNCOM DBA T-MOBILE USA |
| 787-679 | Pueblo Viejo | WORLDNET TELECOMMUNICATIONS, INC. - PR |
| 787-680 | Arecibo | WORLDNET TELECOMMUNICATIONS, INC. - PR |
FAQ
Where is 787-677 located?
The prefix is assigned to the Ponce rate center in PR, area code 787.
Which company owns 787-677 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 787-677 safe to answer?
The prefix itself says nothing about the caller. Legitimate Ponce businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.