Toa Alta, PR — rate center
- State
- Puerto Rico
- Active prefixes
- 5
- Carriers
- 4
- Pooled prefixes
- 4
- LATA
- 820
- Metro area
- San Juan-Bayamón-Caguas, PR MSA
In NANP numbering, Toa Alta, Puerto Rico is a rate center — the anchor point for local numbers. It is reached through 787, 939 (multiple area codes serve it).
The rate center currently carries 5 working prefixes, held by 4 different carriers. Pooling applies to 4 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 Alta numbers can look completely different while being neighbors — check the prefix, not just the area code.
Toa Alta is a small rate center: 5 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.
A Toa Alta prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Toa Alta
| Prefix | Code holder | Pooled |
|---|---|---|
| 787-545 | LIBERTY COMMUNICATIONS OF PUERTO RICO LLC | Yes |
| 787-870 | PUERTO RICO TEL. CO. | No |
FAQ
What area code is Toa Alta, PR?
Toa Alta is served by 2 area codes — 787, 939 — which overlay the same territory.
How many prefixes does Toa Alta have?
5 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.
Is a call from a Toa Alta prefix really from Toa Alta?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.