| District of Pennsylvania area codes: 484 | |
|---|---|
| Country | United States |
| State/Province | Pennsylvania |
| Major City | Philadelphia |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 484-986 | Chester | Spring City, PA | Cavalier Telephone (mid-atlantic) |
| 484-988 | Philadelphia | Philadelphia, PA | New Cingular Wireless PCS - DC |
| 484-989 | Chester | Spring City, PA | Global Naps |
| 484-991 | Montgomery | Lansdale, PA | Xo Communications Services Inc |
| 484-992 | Montgomery | Lansdale, PA | Global Naps |
| 484-993 | Montgomery | Lansdale, PA | Atx Telecommunications Services, Ltd |
| 484-994 | Montgomery | Lansdale, PA | Sprint Spectrum L.p. |
| 484-995 | Chester | Paoli, PA | Omnipoint Communications Enterprises, L.p. |
| 484-996 | Chester | Phoenixville, PA | Cavalier Telephone (mid-atlantic) |
| 484-997 | Montgomery | Lansdale, PA | Global Crossing Local Services-pa |
| 484-998 | Montgomery | Lansdale, PA | Netcarrier Telecom |
| 484-999 | Chester | W Chester, PA | Peerless Network Of Pennsylvania |
| 484-555 | Used in movie | Chester Springs, PA | Used in movie |
There are 673 prefixes, In the code area, the major cities are Allentown, PA;Bethlehem, PA;Chester, PA;Drexel Hil. The major city is Philadelphia.