Cayey, PR — rate center
- State
- Puerto Rico
- Active prefixes
- 16
- Carriers
- 7
- Pooled prefixes
- 12
- LATA
- 820
- Metro area
- San Juan-Bayamón-Caguas, PR MSA
Cayey 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.
NANPA records show 16 active prefixes here, held by 7 different carriers. Pooling applies to 12 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 Cayey numbers can look completely different while being neighbors — check the prefix, not just the area code.
As always with US numbering: a prefix anchored to Cayey 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 Cayey
| Prefix | Code holder | Pooled |
|---|---|---|
| 787-205 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | No |
| 787-263 | PUERTO RICO TEL. CO. | No |
| 787-490 | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR | No |
| 787-535 | LIBERTY MOBILE PUERTO RICO INC. | Yes |
| 787-557 | METROPCS, INC. | Yes |
| 787-595 | SUNCOM DBA T-MOBILE USA | Yes |
| 787-678 | SUNCOM DBA T-MOBILE USA | Yes |
| 787-694 | WORLDNET TELECOMMUNICATIONS, INC. - PR | Yes |
| 787-738 | PUERTO RICO TEL. CO. | No |
FAQ
What area code is Cayey, PR?
Cayey is served by 2 area codes — 787, 939 — which overlay the same territory.
How many prefixes does Cayey have?
16 active NXX prefixes are anchored to this rate center in NANPA records, held by 7 carriers.
Is a call from a Cayey prefix really from Cayey?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.