Prefix 787-373 — Santurce, PR
The 787-373 prefix belongs to area code 787 and is anchored to the Santurce rate center (PR). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
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.
NANPA's central-office code records list PUERTO RICO TELCO DBA CLARO PUERTO RICO (OCN 4823) as the code holder. Because 787-373 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 787-373 is not proof the call came from Santurce: 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 |
|---|---|---|
| 787-370 | Rio Piedras | LIBERTY MOBILE PUERTO RICO INC. |
| 787-371 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-372 | Santurce | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-374 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-375 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-376 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
FAQ
Where is 787-373 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 787-373 numbers?
PUERTO RICO TELCO DBA CLARO PUERTO RICO 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 787-373 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.