Cities and Towns in Warren County, Pennsylvania
Founded in 1800, Warren County is one of 67 counties in the state of Pennsylvania. Historically, Warren County was formed from parts of Allegheny and Lycoming counties; attached to Crawford County until 1805 and then to Venango until Warren was formally organized in 1819. The city of Warren is the county seat. With FIPS code of 123, Warren County has a population of 38,134 and area of 898 square miles (2,326 km²).
List of all cities in Warren County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Bear Lake, PA | 16402 | 814 |
| Blair Corp, PA | 16366 | 814 |
| Chandlers Valley, PA | 16312 | 814 |
| Clarendon, PA | 16313 | 814 |
| Columbus, PA | 16405 | 814 |
| Crossing Pointe, PA | 16368 | 814 |
| 16369 | 814 | |
| Garland, PA | 16416 | 814 |
| Grand Valley, PA | 16420 | 814 |
| Irvine, PA | 16329 | 814 |
| New Process Co, PA | 16367 | 814 |
| North Warren, PA | 16365 | 814 |
| Pittsfield, PA | 16340 | 814 |
| Russell, PA | 16345 | 814 |
| Scandia, PA | 16345 | 814 |
| Sheffield, PA | 16347 | 814 |
| Spring Creek, PA | 16436 | 814 |
| Sugar Grove, PA | 16350 | 814 |
| Sugargrove, PA | 16350 | 814 |
| Tidioute, PA | 16351 | 814 |
| Tiona, PA | 16352 | 814 |
| Warren, PA | 16365 | 814 |
| 16366 | 814 | |
| 16367 | 814 | |
| 16368 | 814 | |
| 16369 | 814 | |
| Youngsville, PA | 16371 | 814 |
