ZIP Code Area 179XX
- ZIP Code Area 17901
- ZIP Code Area 17920
- ZIP Code Area 17921
- ZIP Code Area 17922
- ZIP Code Area 17923
- ZIP Code Area 17925
- ZIP Code Area 17929
- ZIP Code Area 17930
- ZIP Code Area 17931
- ZIP Code Area 17933
- ZIP Code Area 17934
- ZIP Code Area 17935
- ZIP Code Area 17936
- ZIP Code Area 17938
- ZIP Code Area 17941
- ZIP Code Area 17943
- ZIP Code Area 17944
- ZIP Code Area 17945
- ZIP Code Area 17946
- ZIP Code Area 17948
- ZIP Code Area 17949
- ZIP Code Area 17951
- ZIP Code Area 17952
- ZIP Code Area 17953
- ZIP Code Area 17954
- ZIP Code Area 17957
- ZIP Code Area 17959
- ZIP Code Area 17960
- ZIP Code Area 17961
- ZIP Code Area 17963
- ZIP Code Area 17964
- ZIP Code Area 17965
- ZIP Code Area 17967
- ZIP Code Area 17968
- ZIP Code Area 17970
- ZIP Code Area 17972
- ZIP Code Area 17974
- ZIP Code Area 17976
- ZIP Code Area 17978
- ZIP Code Area 17979
- ZIP Code Area 17980
- ZIP Code Area 17981
- ZIP Code Area 17982
- ZIP Code Area 17983
- ZIP Code Area 17985