San Sebastian, PR — rate center
- State
- Puerto Rico
- Active prefixes
- 4
- Carriers
- 3
- Pooled prefixes
- 2
- LATA
- 820
San Sebastian 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 4 active prefixes here, held by 3 different carriers. Pooling applies to 2 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 San Sebastian numbers can look completely different while being neighbors — check the prefix, not just the area code.
San Sebastian is a small rate center: 4 prefixes across 3 carriers serve it. Small localities like this often keep the same blocks for decades, so the prefix-to-place mapping tends to be stable.
As always with US numbering: a prefix anchored to San Sebastian 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 San Sebastian
| Prefix | Code holder | Pooled |
|---|---|---|
| 787-280 | PUERTO RICO TEL. CO. | Yes |
| 787-896 | PUERTO RICO TEL. CO. | No |
| 787-926 | LIBERTY MOBILE PUERTO RICO INC. | No |
FAQ
What area code is San Sebastian, PR?
San Sebastian is served by 2 area codes — 787, 939 — which overlay the same territory.
How many prefixes does San Sebastian have?
4 active NXX prefixes are anchored to this rate center in NANPA records, held by 3 carriers.
Is a call from a San Sebastian prefix really from San Sebastian?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.