173
- 17301 Abbottstown
- 17302 Airville
- 17304 Aspers
- 17306 Bendersville
- 17307 Biglerville
- 17309 Brogue
- 17311 Codorus
- 17313 Dallastown
- 17314 Delta
- 17315 Dover
- 17316 East Berlin
- 17317 East Prospect
- 17318 Emigsville
- 17319 Etters
- 17320 Fairfield
- 17321 Fawn Grove
- 17322 Felton
- 17324 Gardners
- 17325 Gettysburg
- 17327 Glen Rock
- 17329 Glenville
- 17331 Hanover
- 17339 Lewisberry
- 17340 Littlestown
- 17343 Mc Knightstown
- 17344 Mc Sherrystown
- 17345 Manchester
- 17347 Mount Wolf
- 17349 New Freedom
- 17350 New Oxford
- 17352 New Park
- 17353 Orrtanna
- 17355 Railroad
- 17356 Red Lion
- 17360 Seven Valleys
- 17361 Shrewsbury
- 17362 Spring Grove
- 17363 Stewartstown
- 17364 Thomasville
- 17365 Wellsville
- 17366 Windsor
- 17368 Wrightsville
- 17370 York Haven
- 17371 York New Salem
- 17372 York Springs