Rio Grande, PR — rate center
- State
- Puerto Rico
- Active prefixes
- 11
- Carriers
- 6
- Pooled prefixes
- 7
- LATA
- 820
- Metro area
- San Juan-Bayamón-Caguas, PR MSA
Phone numbers "from Rio Grande" are, precisely speaking, numbers whose prefixes are anchored to the Rio Grande rate center of Puerto Rico, under 787, 939.
11 central-office prefixes are currently anchored to this rate center across 6 carriers. 7 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area. Routing-wise it sits in LATA 820.
Multiple area codes over one rate center (787/939) is the overlay pattern: same geography, different first three digits.
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 Rio Grande
| Prefix | Code holder | Pooled |
|---|---|---|
| 787-334 | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR | No |
| 787-500 | SUNCOM DBA T-MOBILE USA | Yes |
| 787-550 | METROPCS, INC. | Yes |
| 787-564 | METROPCS, INC. | Yes |
| 787-657 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-668 | METROPCS, INC. | Yes |
| 787-809 | PUERTO RICO TEL. CO. | No |
| 787-887 | PUERTO RICO TEL. CO. | No |
| 787-888 | PUERTO RICO TEL. CO. | No |
FAQ
What area code is Rio Grande, PR?
Rio Grande is served by 2 area codes — 787, 939 — which overlay the same territory.
How many prefixes does Rio Grande have?
11 active NXX prefixes are anchored to this rate center in NANPA records, held by 6 carriers.
Is a call from a Rio Grande prefix really from Rio Grande?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.