| 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 |
|---|---|---|---|
| 412-732 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-733 | Allegheny | Pittsburgh, PA | Teleport Communications America |
| 412-734 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-735 | Allegheny | Pittsburgh, PA | Citynet Pennsylvania |
| 412-736 | Allegheny | Pittsburgh, PA | New Cingular Wireless PCS - IL |
| 412-737 | Allegheny | Pittsburgh, PA | Cellco Partnership DBA Verizon Wireless |
| 412-738 | Allegheny | Pittsburgh, PA | Cellco Partnership DBA Verizon Wireless |
| 412-739 | Allegheny | Pittsburgh, PA | Usa Mobility Wireless |
| 412-740 | Allegheny | Pittsburgh, PA | Verizon Pennsylvania |
| 412-741 | Allegheny | Sewickley, PA | Verizon Pennsylvania |
| 412-742 | Allegheny | Pittsburgh, PA | Cellco Partnership DBA Verizon Wireless |
| 412-744 | Allegheny | Pittsburgh, PA | Intermedia Communications Inc. |
| 412-745 | Allegheny | Pittsburgh, PA | Full Service Computing Corporation |
| 412-746 | Allegheny | Imperial, PA | Verizon Pennsylvania |
| 412-747 | Allegheny | Oakdale, PA | Verizon Pennsylvania |
| 412-748 | Allegheny | Pittsburgh, PA | Advanced Telephone Sys Inc DBA Htc Communications |
| 412-749 | Allegheny | Sewickley, PA | Verizon Pennsylvania |
| 412-750 | Allegheny | Pittsburgh, PA | Usa Mobility Wireless |
| 412-751 | Allegheny | Mc Keesport, PA | Verizon Pennsylvania |
| 412-753 | Allegheny | Glenshaw, PA | Choice One Communications |
There are 673 prefixes, In the code area, the major cities are Bethel Park, PA;Mccandless Township, PA;Mckeesport. The major city is Pittsburgh.