| District of Pennsylvania area codes: 484 | |
|---|---|
| Country | United States |
| State/Province | Pennsylvania |
| Major City | Philadelphia |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 484-200 | Chester | Chester Springs, PA | Atx Telecommunications Services, Ltd |
| 484-201 | Chester | Coatesville, PA | Sprint Spectrum L.p. |
| 484-202 | Chester | Chester Springs, PA | Global Crossing Local Services-pa |
| 484-203 | Chester | Chester Springs, PA | Broadwing Communications |
| 484-204 | Chester | Chester Springs, PA | Xo Communications Services Inc |
| 484-205 | Montgomery | Lansdale, PA | Cavalier Telephone Mid-atlantic |
| 484-206 | Chester | Chester Springs, PA | Cavalier Telephone (mid-atlantic) |
| 484-207 | Chester | Chester Springs, PA | Netcarrier Telecom |
| 484-208 | Chester | Chester Springs, PA | Rcn Telecom Service Of Pennsylvania |
| 484-209 | Chester | Chester Springs, PA | Global Naps |
| 484-210 | Chester | Coatesville, PA | Cavalier Telephone (mid-atlantic) |
| 484-212 | Chester | Chester Springs, PA | Telcove Of Eastern Pennsylvania |
| 484-213 | Montgomery | Norristown, PA | Sprint Spectrum L.p. |
| 484-214 | Lehigh | Allentown, PA | Global Naps |
| 484-216 | Chester | Paoli, PA | Paetec Communications |
| 484-217 | Lehigh | New Tripoli, PA | Service Electric Telephone Company |
| 484-218 | Berks | Bernville, PA | Bandwidth.com Clec |
| 484-219 | Berks | Reading, PA | Sprint Spectrum L.p. |
| 484-220 | Berks | Reading, PA | Paetec Communications |
| 484-221 | Lehigh | Allentown, PA | Netcarrier Telecom |
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.