Prefix 787-220 — Carolina, PR

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

Area code
787
Prefix (NXX)
220
Rate center
Carolina
State
Puerto Rico
Time zone
Atlantic
Code holder
LIBERTY MOBILE PUERTO RICO INC.
OCN
639J
Pooled
Yes (thousands-block pooling)
LATA
820

787-220 identifies a block of numbers in Carolina, PR, within the 787 area code. Every US prefix is tied to exactly one rate center; this one is Carolina.

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 — 787-220 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: LIBERTY MOBILE PUERTO RICO INC. (OCN 639J). The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 787-220 numbers may be served by different companies.

Neighboring prefixes

Prefixes adjacent to 787-220
PrefixRate centerCode holder
787-217 Trujillo Alto PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-218 Trujillo Alto PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-219 Trujillo Alto PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-221 Pueblo Viejo LIBERTY MOBILE PUERTO RICO INC.
787-222 Bayamon Norte LIBERTY MOBILE PUERTO RICO INC.
787-223 Guaynabo LIBERTY MOBILE PUERTO RICO INC.

FAQ

Where is 787-220 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 787-220 numbers?

LIBERTY MOBILE PUERTO RICO INC. 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 787-220 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.