Prefix 787-346 — Manati, PR

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

Area code
787
Prefix (NXX)
346
Rate center
Manati
State
Puerto Rico
Time zone
Atlantic
Code holder
SUNCOM DBA T-MOBILE USA
OCN
8645
Pooled
Yes (thousands-block pooling)
Assigned
2004-05-28
LATA
820

A phone number starting 787-346 was issued in the Manati rate center of PR — part of area code 787.

Code-holder of record: SUNCOM DBA T-MOBILE USA (OCN 8645), assigned May 28, 2004. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 787-346 numbers may be served by different companies.

A scammer can display 787-346 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.

Manati 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 787-346
PrefixRate centerCode holder
787-342 Santurce LIBERTY MOBILE PUERTO RICO INC.
787-344 Santurce SUNCOM DBA T-MOBILE USA
787-345 Vega Baja METROPCS, INC.
787-347 Santurce METROPCS, INC.
787-348 Santurce METROPCS, INC.
787-349 Santurce LIBERTY MOBILE PUERTO RICO INC.

FAQ

Where is 787-346 located?

The prefix is assigned to the Manati rate center in PR, area code 787. It is part of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area.

Which company owns 787-346 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 787-346 safe to answer?

The prefix itself says nothing about the caller. Legitimate Manati businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.