Isabela, PR — rate center
- State
- Puerto Rico
- Active prefixes
- 6
- Carriers
- 5
- Pooled prefixes
- 4
- LATA
- 820
Isabela 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.
6 central-office prefixes are currently anchored to this rate center, held by 5 different carriers. Pooling applies to 4 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 Isabela 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 Isabela
| Prefix | Code holder | Pooled |
|---|---|---|
| 787-609 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-830 | PUERTO RICO TEL. CO. | No |
| 787-872 | PUERTO RICO TEL. CO. | No |
FAQ
What area code is Isabela, PR?
Isabela is served by 2 area codes — 787, 939 — which overlay the same territory.
How many prefixes does Isabela have?
6 active NXX prefixes are anchored to this rate center in NANPA records, held by 5 carriers.
Is a call from a Isabela prefix really from Isabela?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.