| District of Pennsylvania area codes: 717 | |
|---|---|
| Country | United States |
| State/Province | Pennsylvania |
| Major City | Lancaster |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 717-285 | Lancaster | Mountville, PA | United Tel Co. Of Pennsylvania DBA Centurylink |
| 717-286 | Lancaster | Lancaster, PA | Atx Telecommunications Services, Ltd |
| 717-287 | Lancaster | Elizabethtown, PA | Windstream D & E Systems |
| 717-288 | Lancaster | Strasburg, PA | Atx Telecommunications Services, Ltd |
| 717-289 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
| 717-290 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
| 717-291 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
| 717-292 | York | Dover, PA | Verizon North Inc.-pa |
| 717-293 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
| 717-294 | Fulton | Warfordsburg, PA | Frontier Communications Of Breezewood |
| 717-295 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
| 717-296 | Franklin | Blue Ridge Summit, PA | United Tel Co. Of Pennsylvania DBA Centurylink |
| 717-298 | Dauphin | Hershey, PA | Windstream D & E Systems |
| 717-299 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
| 717-300 | Cumberland | Shippensburg, PA | Adelphia Business Solutions Of Harrisburg |
| 717-301 | Cumberland | Newburg, PA | United Tel Co. Of Pennsylvania DBA Centurylink |
| 717-302 | Cumberland | Camp Hill, PA | Verizon Pennsylvania |
| 717-303 | Cumberland | Camp Hill, PA | Verizon Pennsylvania |
| 717-304 | Lebanon | Lebanon, PA | Cellco Partnership DBA Verizon Wireless |
| 717-305 | Lancaster | Lancaster, PA | Verizon Pennsylvania |
There are 714 prefixes, In the code area, the major cities are Harrisburg, PA;Lancaster, PA;Lebanon, PA;York, PA. The major city is Lancaster.