Chester County ZIP Codes
Chester County is a county of Pennsylvania.
- ZIP codes
- 63
- Cities & towns
- 53
- Area codes
- 8
- Land area
- 751 sq mi
Every ZIP code in Chester County
| ZIP code | City |
|---|---|
| 19301 | Paoli |
| 19310 | Atglen |
| 19311 | Avondale |
| 19312 | Berwyn |
| 19316 | Brandamore |
| 19318 | Chatham |
| 19320 | Coatesville |
| 19330 | Cochranville |
| 19333 | Devon |
| 19335 | Downingtown |
| 19341 | Exton |
| 19343 | Glenmoore |
| 19344 | Honey Brook |
| 19345 | Immaculata |
| 19346 | Kelton |
| 19347 | Kemblesville |
| 19348 | Kennett Square |
| 19350 | Landenberg |
| 19351 | Lewisville |
| 19352 | Lincoln University |
| 19353 | Lionville |
| 19354 | Lyndell |
| 19355 | Malvern |
| 19357 | Mendenhall |
| 19358 | Modena |
| 19360 | New London |
| 19362 | Nottingham |
| 19363 | Oxford |
| 19365 | Parkesburg |
| 19366 | Pocopson |
| 19367 | Pomeroy |
| 19369 | Sadsburyville |
| 19371 | Suplee |
| 19372 | Thorndale |
| 19374 | Toughkenamon |
| 19375 | Unionville |
| 19376 | Wagontown |
| 19380 | West Chester |
| 19381 | West Chester |
| 19382 | West Chester |
| 19383 | West Chester |
| 19390 | West Grove |
| 19395 | Westtown |
| 19397 | Southeastern |
| 19398 | Southeastern |
| 19399 | Southeastern |
| 19421 | Birchrunville |
| 19425 | Chester Springs |
| 19432 | Devault |
| 19442 | Kimberton |
| 19457 | Parker Ford |
| 19460 | Phoenixville |
| 19465 | Pottstown |
| 19470 | Saint Peters |
| 19475 | Spring City |
| 19480 | Uwchland |
| 19481 | Valley Forge |
| 19482 | Valley Forge |
| 19493 | Valley Forge |
| 19494 | Valley Forge |
| 19495 | Valley Forge |
| 19496 | Valley Forge |
| 19520 | Elverson |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Chester County codes above are listed without a column we would have to invent.
Cities and towns in Chester County
A further 34 places in Chester County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.
Area codes covering Chester County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
- 215 Area code 215
- 223 Area code 223
- 267 Area code 267
- 445 Area code 445
- 484 Area code 484
- 610 Area code 610
- 717 Area code 717
- 835 Area code 835
Where Chester County's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Chester County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.