Clairton, PA — rate center
- State
- Pennsylvania
- Active prefixes
- 9
- Carriers
- 7
- Pooled prefixes
- 8
- LATA
- 234
- Metro area
- Pittsburgh, PA MSA
In NANP numbering, Clairton, Pennsylvania is a rate center — the anchor point for local numbers. It is reached through 412, 878 (multiple area codes serve it).
NANPA records show 9 active prefixes here, held by 7 different carriers. Pooling applies to 8 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, 878 all serve this territory, two Clairton 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 Clairton 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 Clairton
| Prefix | Code holder | Pooled |
|---|---|---|
| 412-226 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | Yes |
| 412-233 | VERIZON PENNSYLVANIA, INC. | No |
| 412-274 | ONVOY, LLC - PA | Yes |
| 412-468 | YMAX COMMUNICATIONS CORP. - PA | Yes |
| 412-533 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-547 | BANDWIDTH.COM CLEC, LLC - PA | Yes |
| 412-743 | ONVOY, LLC - PA | Yes |
| 412-945 | BANDWIDTH.COM CLEC, LLC - PA | Yes |
FAQ
What area code is Clairton, PA?
Clairton is served by 2 area codes — 412, 878 — which overlay the same territory.
How many prefixes does Clairton have?
9 active NXX prefixes are anchored to this rate center in NANPA records, held by 7 carriers.
Is a call from a Clairton prefix really from Clairton?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.