ZIP Code Area 420XX
- ZIP Code Area 42001
- ZIP Code Area 42003
- ZIP Code Area 42020
- ZIP Code Area 42021
- ZIP Code Area 42022
- ZIP Code Area 42023
- ZIP Code Area 42024
- ZIP Code Area 42025
- ZIP Code Area 42027
- ZIP Code Area 42028
- ZIP Code Area 42029
- ZIP Code Area 42031
- ZIP Code Area 42032
- ZIP Code Area 42035
- ZIP Code Area 42036
- ZIP Code Area 42037
- ZIP Code Area 42038
- ZIP Code Area 42039
- ZIP Code Area 42040
- ZIP Code Area 42041
- ZIP Code Area 42044
- ZIP Code Area 42045
- ZIP Code Area 42047
- ZIP Code Area 42048
- ZIP Code Area 42049
- ZIP Code Area 42050
- ZIP Code Area 42051
- ZIP Code Area 42053
- ZIP Code Area 42054
- ZIP Code Area 42055
- ZIP Code Area 42056
- ZIP Code Area 42058
- ZIP Code Area 42060
- ZIP Code Area 42061
- ZIP Code Area 42064
- ZIP Code Area 42066
- ZIP Code Area 42069
- ZIP Code Area 42071
- ZIP Code Area 42076
- ZIP Code Area 42078
- ZIP Code Area 42079
- ZIP Code Area 42081
- ZIP Code Area 42082
- ZIP Code Area 42083
- ZIP Code Area 42084
- ZIP Code Area 42085
- ZIP Code Area 42086
- ZIP Code Area 42087
- ZIP Code Area 42088