Prefix 787-463 — Carolina, PR

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

Area code
787
Prefix (NXX)
463
Rate center
Carolina
State
Puerto Rico
Time zone
Atlantic
Code holder
SUNCOM DBA T-MOBILE USA
OCN
8645
Pooled
Yes (thousands-block pooling)
Assigned
2004-05-05
LATA
820

A phone number starting 787-463 was issued in the Carolina rate center of PR — part of area code 787.

Code-holder of record: SUNCOM DBA T-MOBILE USA (OCN 8645), assigned May 5, 2004. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 787-463 numbers may be served by different companies.

A scammer can display 787-463 without ever touching PR. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

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.

Neighboring prefixes

Prefixes adjacent to 787-463
PrefixRate centerCode holder
787-460 Santurce SUNCOM DBA T-MOBILE USA
787-461 Santurce SUNCOM DBA T-MOBILE USA
787-462 Santurce SUNCOM DBA T-MOBILE USA
787-464 Mayaguez SUNCOM DBA T-MOBILE USA
787-465 Naguabo LIBERTY MOBILE PUERTO RICO INC.
787-466 Santurce SUNCOM DBA T-MOBILE USA

FAQ

Where is 787-463 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 787-463 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 787-463 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.