Pittsburgh Zone 7, PA — rate center
- State
- Pennsylvania
- Active prefixes
- 34
- Carriers
- 13
- Pooled prefixes
- 23
- LATA
- 234
- Metro area
- Pittsburgh, PA MSA
The Pittsburgh Zone 7 rate center (Pennsylvania) anchors 34 active prefixes under area codes 412, 878. Rate centers, not city limits, are what phone numbers are legally tied to.
The rate center currently carries 34 working prefixes across 13 carriers. 23 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Pittsburgh, PA Metropolitan Statistical Area. Routing-wise it sits in LATA 234.
Multiple area codes over one rate center (412/878) is the overlay pattern: same geography, different first three digits.
A Pittsburgh Zone 7 prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Pittsburgh Zone 7
| Prefix | Code holder | Pooled |
|---|---|---|
| 412-250 | PAETEC ITEL, LLC | Yes |
| 412-331 | VERIZON PENNSYLVANIA, INC. | No |
| 412-353 | PAETEC ITEL, LLC | Yes |
| 412-438 | LEVEL 3 COMMUNICATIONS, LLC - PA | Yes |
| 412-444 | PAETEC ITEL, LLC | Yes |
| 412-458 | COMCAST IP PHONE, LLC | Yes |
| 412-503 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-520 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-524 | ONVOY, LLC - PA | Yes |
| 412-539 | FIDIUM ENTERPRISE SERVICES, LLC | Yes |
| 412-587 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-679 | NEW CINGULAR WIRELESS PCS, LLC - IL | Yes |
| 412-733 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | Yes |
| 412-771 | VERIZON PENNSYLVANIA, INC. | No |
| 412-777 | VERIZON PENNSYLVANIA, INC. | No |
| 412-778 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-792 | METROPCS, INC. | Yes |
| 412-808 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-875 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | Yes |
| 412-917 | SPOK, INC. | No |
| 412-919 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-920 | VERIZON PENNSYLVANIA, INC. | No |
| 412-921 | VERIZON PENNSYLVANIA, INC. | No |
| 412-922 | VERIZON PENNSYLVANIA, INC. | No |
| 412-923 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-928 | VERIZON PENNSYLVANIA, INC. | No |
| 412-929 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-937 | VERIZON PENNSYLVANIA, INC. | No |
| 412-938 | NEW CINGULAR WIRELESS PCS, LLC - IL | Yes |
| 412-949 | SPOK, INC. | No |
| 412-958 | SPOK, INC. | No |
| 412-960 | ONVOY, LLC - PA | Yes |
FAQ
What area code is Pittsburgh Zone 7, PA?
Pittsburgh Zone 7 is served by 2 area codes — 412, 878 — which overlay the same territory.
How many prefixes does Pittsburgh Zone 7 have?
34 active NXX prefixes are anchored to this rate center in NANPA records, held by 13 carriers.
Is a call from a Pittsburgh Zone 7 prefix really from Pittsburgh Zone 7?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.