Prefix 787-387 — Santurce, PR
787-387 identifies a block of numbers in Santurce, PR, within the 787 area code. Every US prefix is tied to exactly one rate center; this one is Santurce.
The rate center lies in the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area. The serving LATA is 820. Local time follows the Atlantic zone.
Treat the on-screen number as a hint, not evidence — 787-387 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.
Code-holder of record: PUERTO RICO TELCO DBA CLARO PUERTO RICO (OCN 4823). The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 787-387 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 787-384 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-385 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-386 | Santurce | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR |
| 787-388 | Santurce | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
| 787-389 | Humacao | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR |
| 787-390 | Trujillo Alto | PUERTO RICO TELCO DBA CLARO PUERTO RICO |
FAQ
Where is 787-387 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 787-387 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 787-387 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.