| District of Pennsylvania area codes: 412 | |
|---|---|
| Country | United States |
| State/Province | Pennsylvania |
| Major City | Pittsburgh |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 412-371 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-372 | Allegheny | Monroeville, PA | Verizon Pennsylvania |
| 412-373 | Allegheny | Monroeville, PA | Verizon Pennsylvania |
| 412-374 | Allegheny | Monroeville, PA | Verizon Pennsylvania |
| 412-375 | Allegheny | Pittsburgh, PA | Teleport Communications America |
| 412-376 | Allegheny | Pittsburgh, PA | Intermedia Communications Inc. |
| 412-377 | Allegheny | Pittsburgh, PA | Leap Wireless Intl DBA Cricket Comm |
| 412-378 | Allegheny | Turtle Creek, PA | Aerial Communications |
| 412-379 | Allegheny | Pittsburgh, PA | Allegiance Telecom Of Pennsylvania |
| 412-380 | Allegheny | Monroeville, PA | Verizon Pennsylvania |
| 412-381 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-382 | Allegheny | Elizabeth, PA | Verizon Pennsylvania |
| 412-383 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-384 | Allegheny | Elizabeth, PA | Verizon Pennsylvania |
| 412-385 | Allegheny | Pittsburgh, PA | Intermedia Communications Inc. |
| 412-386 | Allegheny | Pittsburgh, PA | Intermedia Communications Inc. |
| 412-387 | Allegheny | Pittsburgh, PA | Intermedia Communications Inc. |
| 412-388 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-389 | Allegheny | Pittsburgh, PA | Cellco Partnership DBA Verizon Wireless |
| 412-390 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
There are 673 prefixes, In the code area, the major cities are Bethel Park, PA;Mccandless Township, PA;Mckeesport. The major city is Pittsburgh.