Guaynabo, PR — rate center
- State
- Puerto Rico
- Active prefixes
- 51
- Carriers
- 3
- Pooled prefixes
- 17
- LATA
- 820
- Metro area
- San Juan-Bayamón-Caguas, PR MSA
Phone numbers "from Guaynabo" are, precisely speaking, numbers whose prefixes are anchored to the Guaynabo rate center of Puerto Rico, under 787, 939.
51 central-office prefixes are currently anchored to this rate center across 3 carriers. 17 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 Guaynabo
| Prefix | Code holder | Pooled |
|---|---|---|
| 787-223 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-231 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-232 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-233 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-234 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-235 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-236 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-237 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-238 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-239 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-240 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-241 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-242 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-243 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-244 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-245 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-246 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-247 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-248 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-272 | PUERTO RICO TEL. CO. | No |
| 787-287 | PUERTO RICO TEL. CO. | No |
| 787-331 | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR | No |
| 787-361 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-362 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-363 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-400 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-404 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-408 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-412 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-414 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-415 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-420 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-421 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-422 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-424 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-425 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-426 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-427 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-428 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-429 | LIBERTY MOBILE PUERTO RICO INC. | No |
| 787-503 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-506 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-507 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-508 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-512 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-708 | PUERTO RICO TEL. CO. | Yes |
| 787-720 | PUERTO RICO TEL. CO. | No |
| 787-731 | PUERTO RICO TEL. CO. | No |
| 787-789 | PUERTO RICO TEL. CO. | No |
| 787-790 | PUERTO RICO TEL. CO. | No |
FAQ
What area code is Guaynabo, PR?
Guaynabo is served by 2 area codes — 787, 939 — which overlay the same territory.
How many prefixes does Guaynabo have?
51 active NXX prefixes are anchored to this rate center in NANPA records, held by 3 carriers.
Is a call from a Guaynabo prefix really from Guaynabo?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.