Prefix 787-478 — Santurce, PR
A phone number starting 787-478 was issued in the Santurce rate center of PR — part of area code 787.
The assigned code holder is SUNCOM DBA T-MOBILE USA, operating company number 8645, assigned January 28, 2004. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 787-478 without ever touching PR. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Santurce is part of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area. For routing purposes it sits in LATA 820. Numbers here keep Atlantic time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 787-475 | Santurce | LIBERTY MOBILE PUERTO RICO INC. |
| 787-476 | San German | NEUTRAL TANDEM - PR |
| 787-477 | Caguas | LIBERTY MOBILE PUERTO RICO INC. |
| 787-479 | Santurce | LIBERTY MOBILE PUERTO RICO INC. |
| 787-480 | Bayamon Norte | PUERTO RICO TELEPHONE COMPANY, INC. |
| 787-481 | Bayamon Norte | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
FAQ
Where is 787-478 located?
The prefix is assigned to the Santurce rate center in PR, area code 787. It is part of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area.
Which company owns 787-478 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 787-478 safe to answer?
The prefix itself says nothing about the caller. Legitimate Santurce businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.