The Area Codes of United States of America:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Pennsylvania | 610 (+1 610) |
| 2. | Pennsylvania | 412 (+1 412) |
| 3. | Pennsylvania | 215 (+1 215) |
| 4. | Pennsylvania | 717 (+1 717) |
| 5. | Pennsylvania | 724 (+1 724) |
| 6. | Pennsylvania | 814 (+1 814) |
| 7. | Pennsylvania | 484 (+1 484) |
| 8. | Pennsylvania | 570 (+1 570) |
| 9. | Pennsylvania | 878 (+1 878) |
| 10. | Pennsylvania | 267 (+1 267) |
| 11. | Pennsylvania | 272 (+1 272) |