Cities and Towns in Lehigh County, Pennsylvania
Founded in 1812, Lehigh County is one of 67 counties in the state of Pennsylvania. Historically, Lehigh County was formed from parts of Northampton County. The city of Allentown is the county seat. With FIPS code of 77, Lehigh County has a population of 375,539 and area of 349 square miles (904 km²).
List of all cities in Lehigh County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Alburtis, PA | 18011 | 610/484 |
| Allentown, PA | 18101 | 610/484 |
| 18102 | 610/484 | |
| 18103 | 610/484 | |
| 18104 | 610/484 | |
| 18105 | 610/484 | |
| 18106 | 610/484 | |
| 18109 | 610/484 | |
| 18195 | 610/484 | |
| Allentown Airport Branch, PA | 18109 | 610/484 |
| Bethlehem, PA | 18025 | 610/484 |
| Breinigsville, PA | 18031 | 610/484 |
| Catasauqua, PA | 18032 | 610/484 |
| Center Valley, PA | 18034 | 610/484 |
| Coopersburg, PA | 18036 | 610/484 |
| Coplay, PA | 18037 | 610/484 |
| Dun & Bradstreet, PA | 18025 | 610/484 |
| East Texas, PA | 18046 | 610/484 |
| Emerald, PA | 18080 | 610/484 |
| Emmaus, PA | 18049 | 610/484 |
| 18098 | 610/484 | |
| 18099 | 610/484 | |
| Fogelsville, PA | 18051 | 610/484 |
| Germansville, PA | 18053 | 610/484 |
| Hokendauqua, PA | 18052 | 610/484 |
| Ironton, PA | 18037 | 610/484 |
| Laurys Station, PA | 18059 | 610/484 |
| Limeport, PA | 18060 | 610/484 |
| Macungie, PA | 18062 | 610/484 |
| Neffs, PA | 18065 | 610/484 |
| New Tripoli, PA | 18066 | 610/484 |
| Old Zionsville, PA | 18068 | 610/484 |
| Orefield, PA | 18069 | 610/484 |
| Rodale Press, PA | 18098 | 610/484 |
| 18099 | 610/484 | |
| Schnecksville, PA | 18078 | 610/484 |
| Slatedale, PA | 18079 | 610/484 |
| Slatington, PA | 18080 | 610/484 |
| Trexlertown, PA | 18087 | 610/484 |
| Wescosville, PA | 18106 | 610/484 |
| Whitehall, PA | 18052 | 610/484 |
| Zionsville, PA | 18092 | 610/484 |
