Prefix 787-394 — Santurce, PR

NANPA CO code assignment, current as of July 28, 2026.

Area code
787
Prefix (NXX)
394
Rate center
Santurce
State
Puerto Rico
Time zone
Atlantic
Code holder
PUERTO RICO TELCO DBA CLARO PUERTO RICO
OCN
4823
Pooled
Yes (thousands-block pooling)
LATA
820

787-394 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 — 787-394 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 PUERTO RICO TELCO DBA CLARO PUERTO RICO (OCN 4823) as the code holder. Because 787-394 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Neighboring prefixes

Prefixes adjacent to 787-394
PrefixRate centerCode holder
787-391 Trujillo Alto PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-392 Santurce PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-393 Santurce PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-395 Bayamon Norte WORLDNET TELECOMMUNICATIONS, INC. - PR
787-396 Rio Piedras LIBERTY MOBILE PUERTO RICO INC.
787-397 Rio Piedras LIBERTY MOBILE PUERTO RICO INC.

FAQ

Where is 787-394 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 787-394 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 787-394 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.