Carolina, PR — rate center

NANPA rate center & CO code data, current as of July 28, 2026.

State
Puerto Rico
Area codes
787, 939
Active prefixes
34
Carriers
7
Pooled prefixes
23
LATA
820
Metro area
San Juan-Bayamón-Caguas, PR MSA

In NANP numbering, Carolina, Puerto Rico is a rate center — the anchor point for local numbers. It is reached through 787, 939 (multiple area codes serve it).

34 central-office prefixes are currently anchored to this rate center, held by 7 different carriers. Pooling applies to 23 of them — individual thousands-blocks may belong to different companies.

The rate center belongs to the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area. Routing-wise it sits in LATA 820.

Because 787, 939 all serve this territory, two Carolina numbers can look completely different while being neighbors — check the prefix, not just the area code.

Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.

Prefixes anchored to Carolina

Showing 18 of 18
Prefixes anchored to the Carolina rate center
PrefixCode holderPooled
787-220 LIBERTY MOBILE PUERTO RICO INC. Yes
787-257 PUERTO RICO TEL. CO. No
787-276 PUERTO RICO TEL. CO. No
787-418 OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR No
787-463 SUNCOM DBA T-MOBILE USA Yes
787-513 SUNCOM DBA T-MOBILE USA Yes
787-690 LIBERTY MOBILE PUERTO RICO INC. Yes
787-701 PUERTO RICO TEL. CO. No
787-710 WORLDNET TELECOMMUNICATIONS, INC. - PR Yes
787-750 PUERTO RICO TEL. CO. No
787-752 PUERTO RICO TEL. CO. No
787-757 PUERTO RICO TEL. CO. No
787-762 PUERTO RICO TEL. CO. No
787-768 PUERTO RICO TEL. CO. No
787-769 PUERTO RICO TEL. CO. No
787-776 PUERTO RICO TEL. CO. No
787-980 LIBERTY MOBILE PUERTO RICO INC. Yes
787-990 SUNCOM DBA T-MOBILE USA Yes

FAQ

What area code is Carolina, PR?

Carolina is served by 2 area codes — 787, 939 — which overlay the same territory.

How many prefixes does Carolina have?

34 active NXX prefixes are anchored to this rate center in NANPA records, held by 7 carriers.

Is a call from a Carolina prefix really from Carolina?

Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.