Founded in 1682, Chester County is one of 67 counties in the state of Pennsylvania. Historically, Chester County was one of the original counties at the formation of Pennsylvania. The city of West Chester is the county seat. With FIPS code of 29, Chester County has a population of 538,649 and area of 760 square miles (1,968 km2).
List of all cities in Chester County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Atglen, PA | 19310 | 610/484 |
| Avondale, PA | 19311 | 610/484 |
| Berwyn, PA | 19312 | 610/484 |
| Birchrunville, PA | 19421 | 610/484 |
| Brandamore, PA | 19316 | 610/484 |
| Bulltown, PA | 19520 | 610/484 |
| Chatham, PA | 19318 | 610/484 |
| Chester Springs, PA | 19425 | 610/484 |
| Coatesville, PA | 19320 | 610/484 |
| Cochranville, PA | 19330 | 610/484 |
| Devault, PA | 19432 | 610/484 |
| Devon, PA | 19333 | 610/484 |
| Downingtown, PA | 19335 | 610/484 |
| 19372 | 610/484 | |
| East Fallowfield, PA | 19320 | 610/484 |
| East Fallowfield Township, PA | 19320 | 610/484 |
| Elverson, PA | 19520 | 610/484 |
| Exton, PA | 19341 | 610/484 |
| 19353 | 610/484 | |
| Franklin Center, PA | 19341 | 610/484 |
| Frazer, PA | 19355 | 610/484 |
| Gay Street, PA | 19381 | 610/484 |
| Glenmoore, PA | 19343 | 610/484 |
| Honey Brook, PA | 19344 | 610/484 |
| Immaculata, PA | 19345 | 610/484 |
| Joanna, PA | 19520 | 610/484 |
| Kelton, PA | 19346 | 610/484 |
| Kemblesville, PA | 19347 | 610/484 |
| Kennett Square, PA | 19348 | 610/484 |
| Kimberton, PA | 19442 | 610/484 |
| Landenberg, PA | 19350 | 610/484 |
| Lewisville, PA | 19351 | 610/484 |
| Lincoln University, PA | 19352 | 610/484 |
| Lionville, PA | 19353 | 610/484 |
| Loag, PA | 19520 | 610/484 |
| Lyndell, PA | 19354 | 610/484 |
| Malvern, PA | 19355 | 610/484 |
| Marsh, PA | 19520 | 610/484 |
| Mendenhall, PA | 19357 | 610/484 |
| Modena, PA | 19358 | 610/484 |
| New London, PA | 19360 | 610/484 |
| New London Township, PA | 19352 | 610/484 |
| Nottingham, PA | 19362 | 610/484 |
| Oxford, PA | 19363 | 610/484 |
| Paoli, PA | 19301 | 610/484 |
| Parker Ford, PA | 19457 | 610/484 |
| Parkerford, PA | 19457 | 610/484 |
| Parkesburg, PA | 19365 | 610/484 |
| Phoenixville, PA | 19460 | 610/484 |
| Pine Swamp, PA | 19520 | 610/484 |
| Pocopson, PA | 19366 | 610/484 |
| Pomeroy, PA | 19367 | 610/484 |
| Pottstown, PA | 19465 | 610/484 |
| Providian Agon, PA | 19493 | 610/484 |
| 19494 | 610/484 | |
| 19495 | 610/484 | |
| Qvc Network Inc, PA | 19388 | 610/484 |
| Romansville, PA | 19320 | 610/484 |
| Sadsburyville, PA | 19369 | 610/484 |
| Saint Peters, PA | 19470 | 610/484 |
| Southeastern, PA | 19397 | 610/484 |
| 19398 | 610/484 | |
| 19399 | 610/484 | |
| Spring City, PA | 19475 | 610/484 |
| Steelville, PA | 19310 | 610/484 |
| Suplee, PA | 19371 | 610/484 |
| The Vanguard Group, PA | 19496 | 610/484 |
| Thorndale, PA | 19372 | 610/484 |
| Toughkenamon, PA | 19374 | 610/484 |
| Tredyffrin, PA | 19312 | 610/484 |
| Unionville, PA | 19375 | 610/484 |
| Uwchland, PA | 19480 | 610/484 |
| Valley Forge, PA | 19481 | 610/484 |
| 19482 | 610/484 | |
| 19493 | 610/484 | |
| 19494 | 610/484 | |
| 19495 | 610/484 | |
| 19496 | 610/484 | |
| Valley Township, PA | 19320 | 610/484 |
| Wagontown, PA | 19376 | 610/484 |
| West Bradford, PA | 19320 | 610/484 |
| 19335 | 610/484 | |
| 19380 | 610/484 | |
| West Brandywine, PA | 19320 | 610/484 |
| 19343 | 610/484 | |
| 19344 | 610/484 | |
| West Chester, PA | 19380 | 610/484 |
| 19381 | 610/484 | |
| 19382 | 610/484 | |
| 19383 | 610/484 | |
| 19388 | 610/484 | |
| West Chester University, PA | 19383 | 610/484 |
| West Grove, PA | 19390 | 610/484 |
| Westtown, PA | 19395 | 610/484 |