Prefix 787-939 — Bayamon Norte, PR

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

Area code
787
Prefix (NXX)
939
Rate center
Bayamon Norte
State
Puerto Rico
Time zone
Atlantic
Code holder
SUNCOM DBA T-MOBILE USA
OCN
8645
Pooled
Yes (thousands-block pooling)
Assigned
2023-03-29
LATA
820

The 787-939 prefix belongs to area code 787 and is anchored to the Bayamon Norte rate center (PR). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Bayamon Norte 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.

Code-holder of record: SUNCOM DBA T-MOBILE USA (OCN 8645), assigned March 29, 2023. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 787-939 numbers may be served by different companies.

Caller ID showing 787-939 is not proof the call came from Bayamon Norte: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.

Neighboring prefixes

Prefixes adjacent to 787-939
PrefixRate centerCode holder
787-936 Catano WORLDNET TELECOMMUNICATIONS, INC. - PR
787-937 San Lorenzo LIBERTY MOBILE PUERTO RICO INC.
787-938 Santurce LIBERTY MOBILE PUERTO RICO INC.
787-940 Santurce LIBERTY MOBILE PUERTO RICO INC.
787-941 Trujillo Alto PUERTO RICO TELCO DBA CLARO PUERTO RICO
787-942 Santurce SUNCOM DBA T-MOBILE USA

FAQ

Where is 787-939 located?

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

Which company owns 787-939 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 787-939 safe to answer?

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