| 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 |
|---|---|---|---|
| 610-200 | Delaware | Glenolden, PA | Core Communications |
| 610-202 | Chester | Paoli, PA | Omnipoint Communications Enterprises, L.p. |
| 610-203 | Delaware | Villanova, PA | Omnipoint Communications Enterprises, L.p. |
| 610-204 | Lehigh | Allentown, PA | Schuylkill Mobile Fone |
| 610-205 | Montgomery | King Of Prussia, PA | Verizon Pennsylvania |
| 610-206 | Montgomery | Merion Station, PA | Verizon Pennsylvania |
| 610-207 | Berks | Reading, PA | Cellco Partnership DBA Verizon Wireless |
| 610-208 | Berks | Reading, PA | Verizon Pennsylvania |
| 610-209 | Montgomery | Norristown, PA | New Cingular Wireless PCS - DC |
| 610-212 | Montgomery | Norristown, PA | Cellco Partnership DBA Verizon Wireless |
| 610-213 | Montgomery | Norristown, PA | Cellco Partnership DBA Verizon Wireless |
| 610-214 | Lehigh | Coopersburg, PA | Core Communications |
| 610-216 | Northampton | Bethlehem, PA | Cellco Partnership DBA Verizon Wireless |
| 610-217 | Northampton | Bethlehem, PA | Cellco Partnership DBA Verizon Wireless |
| 610-218 | Lehigh | Allentown, PA | Usa Mobility Wireless |
| 610-219 | Chester | Paoli, PA | Verizon Pennsylvania |
| 610-220 | Montgomery | Norristown, PA | Cellco Partnership DBA Verizon Wireless |
| 610-221 | Montgomery | Bryn Mawr, PA | Usa Mobility Wireless |
| 610-222 | Montgomery | Lansdale, PA | Verizon Pennsylvania |
| 610-223 | Berks | Reading, PA | Cellco Partnership DBA Verizon Wireless |
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.