| District of Pennsylvania area codes: 610 | |
|---|---|
| Country | United States |
| State/Province | Pennsylvania |
| Major City | Philadelphia |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 610-901 | Berks | Morgantown, PA | Service Electric Telephone Company |
| 610-902 | Delaware | Villanova, PA | Verizon Pennsylvania |
| 610-903 | Chester | Exton, PA | Xo Communications Services Inc |
| 610-904 | Lehigh | Emmaus, PA | Verizon North Inc.-pa (contel) |
| 610-905 | Northampton | Easton, PA | Omnipoint Communications Enterprises, L.p. |
| 610-906 | Montgomery | Pottstown, PA | Telcove Of Eastern Pennsylvania |
| 610-907 | Montgomery | Conshohocken, PA | Usa Mobility Wireless |
| 610-908 | Delaware | Wayne, PA | AT&T Local |
| 610-909 | Montgomery | Bala Cynwyd, PA | New Cingular Wireless PCS - DC |
| 610-910 | Chester | Avondale, PA | Telcove Of Eastern Pennsylvania |
| 610-912 | Lehigh | Allentown, PA | Usa Mobility Wireless |
| 610-913 | Berks | Morgantown, PA | Windstream Conestoga |
| 610-914 | Berks | Reading, PA | New Cingular Wireless PCS - DC |
| 610-915 | Philadelphia | Philadelphia, PA | Xo Communications Services Inc |
| 610-916 | Berks | Leesport, PA | Commonwealth Telephone Company |
| 610-917 | Chester | Phoenixville, PA | Verizon Pennsylvania |
| 610-918 | Chester | W Chester, PA | Verizon Pennsylvania |
| 610-919 | Berks | Yellow House, PA | Service Electric Telephone Company |
| 610-920 | Lehigh | Allentown, PA | Usa Mobility Wireless |
| 610-921 | Berks | Reading, PA | Verizon Pennsylvania |
There are 774 prefixes, In the code area, the major cities are Allentown, PA;Bethlehem, PA;Chester, PA;Drexel Hil. The major city is Philadelphia.