Toa Baja, PR — rate center

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

Toa Baja is a telephone rate center in Puerto Rico served by area codes 787, 939. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.

NANPA records show 4 active prefixes here, held by 4 different carriers. Pooling applies to 3 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 Toa Baja numbers can look completely different while being neighbors — check the prefix, not just the area code.

Toa Baja is a small rate center: 4 prefixes across 4 carriers serve it. Small localities like this often keep the same blocks for decades, so the prefix-to-place mapping tends to be stable.

As always with US numbering: a prefix anchored to Toa Baja tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.

Prefixes anchored to Toa Baja

FAQ

What area code is Toa Baja, PR?

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

How many prefixes does Toa Baja have?

4 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.

Is a call from a Toa Baja prefix really from Toa Baja?

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