ZIP Code Area 197XX
- ZIP Code Area 19701
- ZIP Code Area 19702
- ZIP Code Area 19703
- ZIP Code Area 19706
- ZIP Code Area 19707
- ZIP Code Area 19709
- ZIP Code Area 19710
- ZIP Code Area 19711
- ZIP Code Area 19713
- ZIP Code Area 19716
- ZIP Code Area 19717
- ZIP Code Area 19720
- ZIP Code Area 19730
- ZIP Code Area 19731
- ZIP Code Area 19732
- ZIP Code Area 19733
- ZIP Code Area 19734
- ZIP Code Area 19735
- ZIP Code Area 19736