ZIP Code Area 541XX
- ZIP Code Area 54101
- ZIP Code Area 54102
- ZIP Code Area 54103
- ZIP Code Area 54104
- ZIP Code Area 54106
- ZIP Code Area 54107
- ZIP Code Area 54110
- ZIP Code Area 54111
- ZIP Code Area 54112
- ZIP Code Area 54113
- ZIP Code Area 54114
- ZIP Code Area 54115
- ZIP Code Area 54119
- ZIP Code Area 54120
- ZIP Code Area 54121
- ZIP Code Area 54123
- ZIP Code Area 54124
- ZIP Code Area 54125
- ZIP Code Area 54126
- ZIP Code Area 54127
- ZIP Code Area 54128
- ZIP Code Area 54129
- ZIP Code Area 54130
- ZIP Code Area 54135
- ZIP Code Area 54136
- ZIP Code Area 54137
- ZIP Code Area 54138
- ZIP Code Area 54139
- ZIP Code Area 54140
- ZIP Code Area 54141
- ZIP Code Area 54143
- ZIP Code Area 54149
- ZIP Code Area 54150
- ZIP Code Area 54151
- ZIP Code Area 54153
- ZIP Code Area 54154
- ZIP Code Area 54155
- ZIP Code Area 54156
- ZIP Code Area 54157
- ZIP Code Area 54159
- ZIP Code Area 54160
- ZIP Code Area 54161
- ZIP Code Area 54162
- ZIP Code Area 54165
- ZIP Code Area 54166
- ZIP Code Area 54169
- ZIP Code Area 54170
- ZIP Code Area 54171
- ZIP Code Area 54173
- ZIP Code Area 54174
- ZIP Code Area 54175
- ZIP Code Area 54177
- ZIP Code Area 54180