Lajas, PR — rate center

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

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

NANPA records show 4 active prefixes here, held by 2 different carriers. Pooling applies to 3 of them — individual thousands-blocks may belong to different companies.

Routing-wise it sits in LATA 820.

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

Lajas is a small rate center: 4 prefixes across 2 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 Lajas 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 Lajas

FAQ

What area code is Lajas, PR?

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

How many prefixes does Lajas have?

4 active NXX prefixes are anchored to this rate center in NANPA records, held by 2 carriers.

Is a call from a Lajas prefix really from Lajas?

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