Washington, PA — rate center
- State
- Pennsylvania
- Active prefixes
- 41
- Carriers
- 13
- Pooled prefixes
- 31
- LATA
- 234
- Metro area
- Pittsburgh, PA MSA
In NANP numbering, Washington, Pennsylvania is a rate center — the anchor point for local numbers. It is reached through 412, 724, 878 (multiple area codes serve it).
41 central-office prefixes are currently anchored to this rate center, held by 13 different carriers. Pooling applies to 31 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Pittsburgh, PA Metropolitan Statistical Area. Routing-wise it sits in LATA 234.
Because 412, 724, 878 all serve this territory, two Washington 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 Washington
| Prefix | Code holder | Pooled |
|---|---|---|
| 412-217 | NEW CINGULAR WIRELESS PCS, LLC - IL | Yes |
| 412-296 | AERIAL COMMUNICATIONS, INC. | Yes |
| 412-994 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | Yes |
| 412-997 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | No |
FAQ
What area code is Washington, PA?
Washington is served by 3 area codes — 412, 724, 878 — which overlay the same territory.
How many prefixes does Washington have?
41 active NXX prefixes are anchored to this rate center in NANPA records, held by 13 carriers.
Is a call from a Washington prefix really from Washington?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.