A PO BOX number can be less than or more than four digit. For post office boxes, the general rule is that each box has its own ZIP+4 code.
The last four digit is often one of the following:
1. Zero plus the last three digits of the box number (eg. PO BOX 1001, Los Angeles CA 90001-0001).
2. The last four digits of the box number (eg. PO BOX 9991, Twin Peaks CA 92391-9991).
3. If the box number is less than four digits, enough zeros prepended to the front of the box number to produce a four-digit number(eg. PO BOX 1, Shreveport LA 71161-0001).
However, there is no uniform rule, the zip code plus four is for reference only, the ZIP+4 code must be looked up individually for each box in the USPS offical website.
PO BOX 1, WAPELLO, IA 52653-0001
PO BOX 2, WAPELLO, IA 52653-0002
PO BOX 3, WAPELLO, IA 52653-0003
PO BOX 4, WAPELLO, IA 52653-0004
PO BOX 5, WAPELLO, IA 52653-0005
PO BOX 6, WAPELLO, IA 52653-0006
PO BOX 7, WAPELLO, IA 52653-0007
PO BOX 8, WAPELLO, IA 52653-0008
PO BOX 9, WAPELLO, IA 52653-0009
PO BOX 10, WAPELLO, IA 52653-0010
PO BOX 11, WAPELLO, IA 52653-0011
PO BOX 12, WAPELLO, IA 52653-0012
PO BOX 13, WAPELLO, IA 52653-0013
PO BOX 14, WAPELLO, IA 52653-0014
PO BOX 15, WAPELLO, IA 52653-0015
PO BOX 16, WAPELLO, IA 52653-0016
PO BOX 17, WAPELLO, IA 52653-0017
PO BOX 18, WAPELLO, IA 52653-0018
PO BOX 19, WAPELLO, IA 52653-0019
PO BOX 20, WAPELLO, IA 52653-0020
PO BOX 21, WAPELLO, IA 52653-0021
PO BOX 22, WAPELLO, IA 52653-0022
PO BOX 23, WAPELLO, IA 52653-0023
PO BOX 24, WAPELLO, IA 52653-0024
PO BOX 25, WAPELLO, IA 52653-0025
PO BOX 26, WAPELLO, IA 52653-0026
PO BOX 27, WAPELLO, IA 52653-0027
PO BOX 28, WAPELLO, IA 52653-0028
PO BOX 29, WAPELLO, IA 52653-0029
PO BOX 30, WAPELLO, IA 52653-0030
PO BOX 31, WAPELLO, IA 52653-0031
PO BOX 32, WAPELLO, IA 52653-0032
PO BOX 33, WAPELLO, IA 52653-0033
PO BOX 34, WAPELLO, IA 52653-0034
PO BOX 35, WAPELLO, IA 52653-0035
PO BOX 36, WAPELLO, IA 52653-0036
PO BOX 37, WAPELLO, IA 52653-0037
PO BOX 38, WAPELLO, IA 52653-0038
PO BOX 39, WAPELLO, IA 52653-0039
PO BOX 40, WAPELLO, IA 52653-0040
PO BOX 41, WAPELLO, IA 52653-0041
PO BOX 42, WAPELLO, IA 52653-0042
PO BOX 43, WAPELLO, IA 52653-0043
PO BOX 44, WAPELLO, IA 52653-0044
PO BOX 45, WAPELLO, IA 52653-0045
PO BOX 46, WAPELLO, IA 52653-0046
PO BOX 47, WAPELLO, IA 52653-0047
PO BOX 48, WAPELLO, IA 52653-0048
PO BOX 49, WAPELLO, IA 52653-0049
PO BOX 50, WAPELLO, IA 52653-0050
PO BOX 51, WAPELLO, IA 52653-0051
PO BOX 52, WAPELLO, IA 52653-0052
PO BOX 53, WAPELLO, IA 52653-0053
PO BOX 54, WAPELLO, IA 52653-0054
PO BOX 55, WAPELLO, IA 52653-0055
PO BOX 56, WAPELLO, IA 52653-0056
PO BOX 57, WAPELLO, IA 52653-0057
PO BOX 58, WAPELLO, IA 52653-0058
PO BOX 59, WAPELLO, IA 52653-0059
PO BOX 60, WAPELLO, IA 52653-0060
PO BOX 61, WAPELLO, IA 52653-0061
PO BOX 62, WAPELLO, IA 52653-0062
PO BOX 63, WAPELLO, IA 52653-0063
PO BOX 64, WAPELLO, IA 52653-0064
PO BOX 65, WAPELLO, IA 52653-0065
PO BOX 66, WAPELLO, IA 52653-0066
PO BOX 67, WAPELLO, IA 52653-0067
PO BOX 68, WAPELLO, IA 52653-0068
PO BOX 69, WAPELLO, IA 52653-0069
PO BOX 70, WAPELLO, IA 52653-0070
PO BOX 71, WAPELLO, IA 52653-0071
PO BOX 72, WAPELLO, IA 52653-0072
PO BOX 73, WAPELLO, IA 52653-0073
PO BOX 74, WAPELLO, IA 52653-0074
PO BOX 75, WAPELLO, IA 52653-0075
PO BOX 76, WAPELLO, IA 52653-0076
PO BOX 77, WAPELLO, IA 52653-0077
PO BOX 78, WAPELLO, IA 52653-0078
PO BOX 79, WAPELLO, IA 52653-0079
PO BOX 80, WAPELLO, IA 52653-0080
PO BOX 81, WAPELLO, IA 52653-0081
PO BOX 82, WAPELLO, IA 52653-0082
PO BOX 83, WAPELLO, IA 52653-0083
PO BOX 84, WAPELLO, IA 52653-0084
PO BOX 85, WAPELLO, IA 52653-0085
PO BOX 86, WAPELLO, IA 52653-0086
PO BOX 87, WAPELLO, IA 52653-0087
PO BOX 88, WAPELLO, IA 52653-0088
PO BOX 89, WAPELLO, IA 52653-0089
PO BOX 90, WAPELLO, IA 52653-0090
PO BOX 91, WAPELLO, IA 52653-0091
PO BOX 92, WAPELLO, IA 52653-0092
PO BOX 93, WAPELLO, IA 52653-0093
PO BOX 94, WAPELLO, IA 52653-0094
PO BOX 95, WAPELLO, IA 52653-0095
PO BOX 96, WAPELLO, IA 52653-0096
PO BOX 97, WAPELLO, IA 52653-0097
PO BOX 98, WAPELLO, IA 52653-0098
PO BOX 99, WAPELLO, IA 52653-0099
PO BOX 100, WAPELLO, IA 52653-0100
PO BOX 101, WAPELLO, IA 52653-0101
PO BOX 102, WAPELLO, IA 52653-0102
PO BOX 103, WAPELLO, IA 52653-0103
PO BOX 104, WAPELLO, IA 52653-0104
PO BOX 105, WAPELLO, IA 52653-0105
PO BOX 106, WAPELLO, IA 52653-0106
PO BOX 107, WAPELLO, IA 52653-0107
PO BOX 108, WAPELLO, IA 52653-0108
PO BOX 109, WAPELLO, IA 52653-0109
PO BOX 110, WAPELLO, IA 52653-0110
PO BOX 111, WAPELLO, IA 52653-0111
PO BOX 112, WAPELLO, IA 52653-0112
PO BOX 113, WAPELLO, IA 52653-0113
PO BOX 114, WAPELLO, IA 52653-0114
PO BOX 115, WAPELLO, IA 52653-0115
PO BOX 116, WAPELLO, IA 52653-0116
PO BOX 117, WAPELLO, IA 52653-0117
PO BOX 118, WAPELLO, IA 52653-0118
PO BOX 119, WAPELLO, IA 52653-0119
PO BOX 120, WAPELLO, IA 52653-0120
PO BOX 121, WAPELLO, IA 52653-0121
PO BOX 122, WAPELLO, IA 52653-0122
PO BOX 123, WAPELLO, IA 52653-0123
PO BOX 124, WAPELLO, IA 52653-0124
PO BOX 125, WAPELLO, IA 52653-0125
PO BOX 126, WAPELLO, IA 52653-0126
PO BOX 127, WAPELLO, IA 52653-0127
PO BOX 128, WAPELLO, IA 52653-0128
PO BOX 129, WAPELLO, IA 52653-0129
PO BOX 130, WAPELLO, IA 52653-0130
PO BOX 131, WAPELLO, IA 52653-0131
PO BOX 132, WAPELLO, IA 52653-0132
PO BOX 133, WAPELLO, IA 52653-0133
PO BOX 134, WAPELLO, IA 52653-0134
PO BOX 135, WAPELLO, IA 52653-0135
PO BOX 136, WAPELLO, IA 52653-0136
PO BOX 137, WAPELLO, IA 52653-0137
PO BOX 138, WAPELLO, IA 52653-0138
PO BOX 139, WAPELLO, IA 52653-0139
PO BOX 140, WAPELLO, IA 52653-0140
PO BOX 141, WAPELLO, IA 52653-0141
PO BOX 142, WAPELLO, IA 52653-0142
PO BOX 143, WAPELLO, IA 52653-0143
PO BOX 144, WAPELLO, IA 52653-0144
PO BOX 145, WAPELLO, IA 52653-0145
PO BOX 146, WAPELLO, IA 52653-0146
PO BOX 147, WAPELLO, IA 52653-0147
PO BOX 148, WAPELLO, IA 52653-0148
PO BOX 149, WAPELLO, IA 52653-0149
PO BOX 150, WAPELLO, IA 52653-0150
PO BOX 151, WAPELLO, IA 52653-0151
PO BOX 152, WAPELLO, IA 52653-0152
PO BOX 153, WAPELLO, IA 52653-0153
PO BOX 154, WAPELLO, IA 52653-0154
PO BOX 155, WAPELLO, IA 52653-0155
PO BOX 156, WAPELLO, IA 52653-0156
PO BOX 157, WAPELLO, IA 52653-0157
PO BOX 158, WAPELLO, IA 52653-0158
PO BOX 159, WAPELLO, IA 52653-0159
PO BOX 160, WAPELLO, IA 52653-0160
PO BOX 161, WAPELLO, IA 52653-0161
PO BOX 162, WAPELLO, IA 52653-0162
PO BOX 163, WAPELLO, IA 52653-0163
PO BOX 164, WAPELLO, IA 52653-0164
PO BOX 165, WAPELLO, IA 52653-0165
PO BOX 166, WAPELLO, IA 52653-0166
PO BOX 167, WAPELLO, IA 52653-0167
PO BOX 168, WAPELLO, IA 52653-0168
PO BOX 169, WAPELLO, IA 52653-0169
PO BOX 170, WAPELLO, IA 52653-0170
PO BOX 171, WAPELLO, IA 52653-0171
PO BOX 172, WAPELLO, IA 52653-0172
PO BOX 173, WAPELLO, IA 52653-0173
PO BOX 174, WAPELLO, IA 52653-0174
PO BOX 175, WAPELLO, IA 52653-0175
PO BOX 176, WAPELLO, IA 52653-0176
PO BOX 177, WAPELLO, IA 52653-0177
PO BOX 178, WAPELLO, IA 52653-0178
PO BOX 179, WAPELLO, IA 52653-0179
PO BOX 180, WAPELLO, IA 52653-0180
PO BOX 181, WAPELLO, IA 52653-0181
PO BOX 182, WAPELLO, IA 52653-0182
PO BOX 183, WAPELLO, IA 52653-0183
PO BOX 184, WAPELLO, IA 52653-0184
PO BOX 185, WAPELLO, IA 52653-0185
PO BOX 186, WAPELLO, IA 52653-0186
PO BOX 187, WAPELLO, IA 52653-0187
PO BOX 188, WAPELLO, IA 52653-0188
PO BOX 189, WAPELLO, IA 52653-0189
PO BOX 190, WAPELLO, IA 52653-0190
PO BOX 191, WAPELLO, IA 52653-0191
PO BOX 192, WAPELLO, IA 52653-0192
PO BOX 193, WAPELLO, IA 52653-0193
PO BOX 194, WAPELLO, IA 52653-0194
PO BOX 195, WAPELLO, IA 52653-0195
PO BOX 196, WAPELLO, IA 52653-0196
PO BOX 197, WAPELLO, IA 52653-0197
PO BOX 198, WAPELLO, IA 52653-0198
PO BOX 199, WAPELLO, IA 52653-0199
PO BOX 200, WAPELLO, IA 52653-0200
PO BOX 201, WAPELLO, IA 52653-0201
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