Pittsburgh Zone 3, PA — rate center
- State
- Pennsylvania
- Active prefixes
- 18
- Carriers
- 9
- Pooled prefixes
- 16
- LATA
- 234
- Metro area
- Pittsburgh, PA MSA
The Pittsburgh Zone 3 rate center (Pennsylvania) anchors 18 active prefixes under area codes 412, 878. Rate centers, not city limits, are what phone numbers are legally tied to.
18 central-office prefixes are currently anchored to this rate center across 9 carriers. 16 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.
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 Pittsburgh Zone 3
| Prefix | Code holder | Pooled |
|---|---|---|
| 412-252 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | Yes |
| 412-282 | LEVEL 3 COMMUNICATIONS, LLC - PA | Yes |
| 412-407 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-408 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-449 | PAETEC ITEL, LLC | Yes |
| 412-632 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 412-696 | FIDIUM ENTERPRISE SERVICES, LLC | Yes |
| 412-772 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | Yes |
| 412-775 | FULL SERVICE NETWORK LP | Yes |
| 412-781 | VERIZON PENNSYLVANIA, INC. | No |
| 412-782 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-784 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-799 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-821 | VERIZON PENNSYLVANIA, INC. | No |
| 412-822 | VERIZON PENNSYLVANIA, INC. | Yes |
| 412-899 | ONVOY, LLC - PA | Yes |
| 412-961 | VERIZON PENNSYLVANIA, INC. | Yes |
FAQ
What area code is Pittsburgh Zone 3, PA?
Pittsburgh Zone 3 is served by 2 area codes — 412, 878 — which overlay the same territory.
How many prefixes does Pittsburgh Zone 3 have?
18 active NXX prefixes are anchored to this rate center in NANPA records, held by 9 carriers.
Is a call from a Pittsburgh Zone 3 prefix really from Pittsburgh Zone 3?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.