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 240011, KANSAS CITY, MO 64124-0011
PO BOX 240012, KANSAS CITY, MO 64124-0012
PO BOX 240013, KANSAS CITY, MO 64124-0013
PO BOX 240014, KANSAS CITY, MO 64124-0014
PO BOX 240015, KANSAS CITY, MO 64124-0015
PO BOX 240016, KANSAS CITY, MO 64124-0016
PO BOX 240017, KANSAS CITY, MO 64124-0017
PO BOX 240018, KANSAS CITY, MO 64124-0018
PO BOX 240019, KANSAS CITY, MO 64124-0019
PO BOX 240020, KANSAS CITY, MO 64124-0020
PO BOX 240021, KANSAS CITY, MO 64124-0021
PO BOX 240022, KANSAS CITY, MO 64124-0022
PO BOX 240023, KANSAS CITY, MO 64124-0023
PO BOX 240024, KANSAS CITY, MO 64124-0024
PO BOX 240025, KANSAS CITY, MO 64124-0025
PO BOX 240026, KANSAS CITY, MO 64124-0026
PO BOX 240027, KANSAS CITY, MO 64124-0027
PO BOX 240028, KANSAS CITY, MO 64124-0028
PO BOX 240029, KANSAS CITY, MO 64124-0029
PO BOX 240030, KANSAS CITY, MO 64124-0030
PO BOX 240031, KANSAS CITY, MO 64124-0031
PO BOX 240032, KANSAS CITY, MO 64124-0032
PO BOX 240033, KANSAS CITY, MO 64124-0033
PO BOX 240034, KANSAS CITY, MO 64124-0034
PO BOX 240035, KANSAS CITY, MO 64124-0035
PO BOX 240036, KANSAS CITY, MO 64124-0036
PO BOX 240037, KANSAS CITY, MO 64124-0037
PO BOX 240038, KANSAS CITY, MO 64124-0038
PO BOX 240039, KANSAS CITY, MO 64124-0039
PO BOX 240040, KANSAS CITY, MO 64124-0040
PO BOX 240041, KANSAS CITY, MO 64124-0041
PO BOX 240042, KANSAS CITY, MO 64124-0042
PO BOX 240043, KANSAS CITY, MO 64124-0043
PO BOX 240044, KANSAS CITY, MO 64124-0044
PO BOX 240045, KANSAS CITY, MO 64124-0045
PO BOX 240046, KANSAS CITY, MO 64124-0046
PO BOX 240047, KANSAS CITY, MO 64124-0047
PO BOX 240048, KANSAS CITY, MO 64124-0048
PO BOX 240049, KANSAS CITY, MO 64124-0049
PO BOX 240050, KANSAS CITY, MO 64124-0050
PO BOX 240051, KANSAS CITY, MO 64124-0051
PO BOX 240052, KANSAS CITY, MO 64124-0052
PO BOX 240053, KANSAS CITY, MO 64124-0053
PO BOX 240054, KANSAS CITY, MO 64124-0054
PO BOX 240055, KANSAS CITY, MO 64124-0055
PO BOX 240056, KANSAS CITY, MO 64124-0056
PO BOX 240057, KANSAS CITY, MO 64124-0057
PO BOX 240058, KANSAS CITY, MO 64124-0058
PO BOX 240059, KANSAS CITY, MO 64124-0059
PO BOX 240060, KANSAS CITY, MO 64124-0060
PO BOX 240061, KANSAS CITY, MO 64124-0061
PO BOX 240062, KANSAS CITY, MO 64124-0062
PO BOX 240063, KANSAS CITY, MO 64124-0063
PO BOX 240064, KANSAS CITY, MO 64124-0064
PO BOX 240065, KANSAS CITY, MO 64124-0065
PO BOX 240066, KANSAS CITY, MO 64124-0066
PO BOX 240067, KANSAS CITY, MO 64124-0067
PO BOX 240068, KANSAS CITY, MO 64124-0068
PO BOX 240069, KANSAS CITY, MO 64124-0069
PO BOX 240070, KANSAS CITY, MO 64124-0070
PO BOX 240071, KANSAS CITY, MO 64124-0071
PO BOX 240072, KANSAS CITY, MO 64124-0072
PO BOX 240073, KANSAS CITY, MO 64124-0073
PO BOX 240074, KANSAS CITY, MO 64124-0074
PO BOX 240075, KANSAS CITY, MO 64124-0075
PO BOX 240076, KANSAS CITY, MO 64124-0076
PO BOX 240077, KANSAS CITY, MO 64124-0077
PO BOX 240078, KANSAS CITY, MO 64124-0078
PO BOX 240079, KANSAS CITY, MO 64124-0079
PO BOX 240080, KANSAS CITY, MO 64124-0080
PO BOX 240081, KANSAS CITY, MO 64124-0081
PO BOX 240082, KANSAS CITY, MO 64124-0082
PO BOX 240083, KANSAS CITY, MO 64124-0083
PO BOX 240084, KANSAS CITY, MO 64124-0084
PO BOX 240085, KANSAS CITY, MO 64124-0085
PO BOX 240086, KANSAS CITY, MO 64124-0086
PO BOX 240087, KANSAS CITY, MO 64124-0087
PO BOX 240088, KANSAS CITY, MO 64124-0088
PO BOX 240089, KANSAS CITY, MO 64124-0089
PO BOX 240090, KANSAS CITY, MO 64124-0090
PO BOX 240091, KANSAS CITY, MO 64124-0091
PO BOX 240092, KANSAS CITY, MO 64124-0092
PO BOX 240093, KANSAS CITY, MO 64124-0093
PO BOX 240094, KANSAS CITY, MO 64124-0094
PO BOX 240095, KANSAS CITY, MO 64124-0095
PO BOX 240096, KANSAS CITY, MO 64124-0096
PO BOX 240097, KANSAS CITY, MO 64124-0097
PO BOX 240098, KANSAS CITY, MO 64124-0098
PO BOX 240099, KANSAS CITY, MO 64124-0099
PO BOX 240100, KANSAS CITY, MO 64124-0100
PO BOX 240101, KANSAS CITY, MO 64124-0101
PO BOX 240102, KANSAS CITY, MO 64124-0102
PO BOX 240103, KANSAS CITY, MO 64124-0103
PO BOX 240104, KANSAS CITY, MO 64124-0104
PO BOX 240105, KANSAS CITY, MO 64124-0105
PO BOX 240106, KANSAS CITY, MO 64124-0106
PO BOX 240107, KANSAS CITY, MO 64124-0107
PO BOX 240108, KANSAS CITY, MO 64124-0108
PO BOX 240109, KANSAS CITY, MO 64124-0109
PO BOX 240110, KANSAS CITY, MO 64124-0110
PO BOX 240111, KANSAS CITY, MO 64124-0111
PO BOX 240112, KANSAS CITY, MO 64124-0112
PO BOX 240113, KANSAS CITY, MO 64124-0113
PO BOX 240114, KANSAS CITY, MO 64124-0114
PO BOX 240115, KANSAS CITY, MO 64124-0115
PO BOX 240116, KANSAS CITY, MO 64124-0116
PO BOX 240117, KANSAS CITY, MO 64124-0117
PO BOX 240118, KANSAS CITY, MO 64124-0118
PO BOX 240119, KANSAS CITY, MO 64124-0119
PO BOX 240120, KANSAS CITY, MO 64124-0120
PO BOX 240121, KANSAS CITY, MO 64124-0121
PO BOX 240122, KANSAS CITY, MO 64124-0122
PO BOX 240123, KANSAS CITY, MO 64124-0123
PO BOX 240124, KANSAS CITY, MO 64124-0124
PO BOX 240125, KANSAS CITY, MO 64124-0125
PO BOX 240126, KANSAS CITY, MO 64124-0126
PO BOX 240127, KANSAS CITY, MO 64124-0127
PO BOX 240128, KANSAS CITY, MO 64124-0128
PO BOX 240129, KANSAS CITY, MO 64124-0129
PO BOX 240130, KANSAS CITY, MO 64124-0130
PO BOX 240131, KANSAS CITY, MO 64124-0131
PO BOX 240132, KANSAS CITY, MO 64124-0132
PO BOX 240133, KANSAS CITY, MO 64124-0133
PO BOX 240134, KANSAS CITY, MO 64124-0134
PO BOX 240135, KANSAS CITY, MO 64124-0135
PO BOX 240136, KANSAS CITY, MO 64124-0136
PO BOX 240137, KANSAS CITY, MO 64124-0137
PO BOX 240138, KANSAS CITY, MO 64124-0138
PO BOX 240139, KANSAS CITY, MO 64124-0139
PO BOX 240140, KANSAS CITY, MO 64124-0140
PO BOX 240141, KANSAS CITY, MO 64124-0141
PO BOX 240142, KANSAS CITY, MO 64124-0142
PO BOX 240143, KANSAS CITY, MO 64124-0143
PO BOX 240144, KANSAS CITY, MO 64124-0144
PO BOX 240145, KANSAS CITY, MO 64124-0145
PO BOX 240146, KANSAS CITY, MO 64124-0146
PO BOX 240147, KANSAS CITY, MO 64124-0147
PO BOX 240148, KANSAS CITY, MO 64124-0148
PO BOX 240149, KANSAS CITY, MO 64124-0149
PO BOX 240150, KANSAS CITY, MO 64124-0150
PO BOX 240151, KANSAS CITY, MO 64124-0151
PO BOX 240152, KANSAS CITY, MO 64124-0152
PO BOX 240153, KANSAS CITY, MO 64124-0153
PO BOX 240154, KANSAS CITY, MO 64124-0154
PO BOX 240155, KANSAS CITY, MO 64124-0155
PO BOX 240156, KANSAS CITY, MO 64124-0156
PO BOX 240157, KANSAS CITY, MO 64124-0157
PO BOX 240158, KANSAS CITY, MO 64124-0158
PO BOX 240159, KANSAS CITY, MO 64124-0159
PO BOX 240160, KANSAS CITY, MO 64124-0160
PO BOX 240161, KANSAS CITY, MO 64124-0161
PO BOX 240162, KANSAS CITY, MO 64124-0162
PO BOX 240163, KANSAS CITY, MO 64124-0163
PO BOX 240164, KANSAS CITY, MO 64124-0164
PO BOX 240165, KANSAS CITY, MO 64124-0165
PO BOX 240166, KANSAS CITY, MO 64124-0166
PO BOX 240167, KANSAS CITY, MO 64124-0167
PO BOX 240168, KANSAS CITY, MO 64124-0168
PO BOX 240169, KANSAS CITY, MO 64124-0169
PO BOX 240170, KANSAS CITY, MO 64124-0170
PO BOX 240171, KANSAS CITY, MO 64124-0171
PO BOX 240172, KANSAS CITY, MO 64124-0172
PO BOX 240173, KANSAS CITY, MO 64124-0173
PO BOX 240174, KANSAS CITY, MO 64124-0174
PO BOX 240175, KANSAS CITY, MO 64124-0175
PO BOX 240176, KANSAS CITY, MO 64124-0176
PO BOX 240177, KANSAS CITY, MO 64124-0177
PO BOX 240178, KANSAS CITY, MO 64124-0178
PO BOX 240179, KANSAS CITY, MO 64124-0179
PO BOX 240180, KANSAS CITY, MO 64124-0180
PO BOX 240181, KANSAS CITY, MO 64124-0181
PO BOX 240182, KANSAS CITY, MO 64124-0182
PO BOX 240183, KANSAS CITY, MO 64124-0183
PO BOX 240184, KANSAS CITY, MO 64124-0184
PO BOX 240185, KANSAS CITY, MO 64124-0185
PO BOX 240186, KANSAS CITY, MO 64124-0186
PO BOX 240187, KANSAS CITY, MO 64124-0187
PO BOX 240188, KANSAS CITY, MO 64124-0188
PO BOX 240189, KANSAS CITY, MO 64124-0189
PO BOX 240190, KANSAS CITY, MO 64124-0190
PO BOX 240191, KANSAS CITY, MO 64124-0191
PO BOX 240192, KANSAS CITY, MO 64124-0192
PO BOX 240193, KANSAS CITY, MO 64124-0193
PO BOX 240194, KANSAS CITY, MO 64124-0194
PO BOX 240195, KANSAS CITY, MO 64124-0195
PO BOX 240196, KANSAS CITY, MO 64124-0196
PO BOX 240197, KANSAS CITY, MO 64124-0197
PO BOX 240198, KANSAS CITY, MO 64124-0198
PO BOX 240199, KANSAS CITY, MO 64124-0199
PO BOX 240200, KANSAS CITY, MO 64124-0200
PO BOX 240201, KANSAS CITY, MO 64124-0201
PO BOX 240202, KANSAS CITY, MO 64124-0202
PO BOX 240203, KANSAS CITY, MO 64124-0203
PO BOX 240204, KANSAS CITY, MO 64124-0204
PO BOX 240205, KANSAS CITY, MO 64124-0205
PO BOX 240206, KANSAS CITY, MO 64124-0206
PO BOX 240207, KANSAS CITY, MO 64124-0207
PO BOX 240208, KANSAS CITY, MO 64124-0208
PO BOX 240209, KANSAS CITY, MO 64124-0209
PO BOX 240210, KANSAS CITY, MO 64124-0210
PO BOX 240211, KANSAS CITY, MO 64124-0211
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