Prefix 787-513 — Carolina, PR
The 787-513 prefix belongs to area code 787 and is anchored to the Carolina rate center (PR). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Carolina 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.
The assigned code holder is SUNCOM DBA T-MOBILE USA, operating company number 8645, assigned October 31, 2008. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 787-513 is not proof the call came from Carolina: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 787-509 | Rio Piedras | LIBERTY MOBILE PUERTO RICO INC. |
| 787-510 | Rio Piedras | LIBERTY MOBILE PUERTO RICO INC. |
| 787-512 | Guaynabo | LIBERTY MOBILE PUERTO RICO INC. |
| 787-514 | Fajardo | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-515 | Manati | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-516 | Naranjito | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
FAQ
Where is 787-513 located?
The prefix is assigned to the Carolina rate center in PR, area code 787. It is part of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area.
Which company owns 787-513 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 787-513 safe to answer?
The prefix itself says nothing about the caller. Legitimate Carolina businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.