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, BORGER, TX 79008-0001
PO BOX 2, BORGER, TX 79008-0002
PO BOX 3, BORGER, TX 79008-0003
PO BOX 4, BORGER, TX 79008-0004
PO BOX 5, BORGER, TX 79008-0005
PO BOX 6, BORGER, TX 79008-0006
PO BOX 7, BORGER, TX 79008-0007
PO BOX 8, BORGER, TX 79008-0008
PO BOX 9, BORGER, TX 79008-0009
PO BOX 10, BORGER, TX 79008-0010
PO BOX 11, BORGER, TX 79008-0011
PO BOX 12, BORGER, TX 79008-0012
PO BOX 13, BORGER, TX 79008-0013
PO BOX 14, BORGER, TX 79008-0014
PO BOX 15, BORGER, TX 79008-0015
PO BOX 16, BORGER, TX 79008-0016
PO BOX 17, BORGER, TX 79008-0017
PO BOX 18, BORGER, TX 79008-0018
PO BOX 19, BORGER, TX 79008-0019
PO BOX 20, BORGER, TX 79008-0020
PO BOX 21, BORGER, TX 79008-0021
PO BOX 22, BORGER, TX 79008-0022
PO BOX 23, BORGER, TX 79008-0023
PO BOX 24, BORGER, TX 79008-0024
PO BOX 25, BORGER, TX 79008-0025
PO BOX 26, BORGER, TX 79008-0026
PO BOX 27, BORGER, TX 79008-0027
PO BOX 28, BORGER, TX 79008-0028
PO BOX 29, BORGER, TX 79008-0029
PO BOX 30, BORGER, TX 79008-0030
PO BOX 31, BORGER, TX 79008-0031
PO BOX 32, BORGER, TX 79008-0032
PO BOX 33, BORGER, TX 79008-0033
PO BOX 34, BORGER, TX 79008-0034
PO BOX 35, BORGER, TX 79008-0035
PO BOX 36, BORGER, TX 79008-0036
PO BOX 37, BORGER, TX 79008-0037
PO BOX 38, BORGER, TX 79008-0038
PO BOX 39, BORGER, TX 79008-0039
PO BOX 40, BORGER, TX 79008-0040
PO BOX 41, BORGER, TX 79008-0041
PO BOX 42, BORGER, TX 79008-0042
PO BOX 43, BORGER, TX 79008-0043
PO BOX 44, BORGER, TX 79008-0044
PO BOX 45, BORGER, TX 79008-0045
PO BOX 46, BORGER, TX 79008-0046
PO BOX 47, BORGER, TX 79008-0047
PO BOX 48, BORGER, TX 79008-0048
PO BOX 49, BORGER, TX 79008-0049
PO BOX 50, BORGER, TX 79008-0050
PO BOX 51, BORGER, TX 79008-0051
PO BOX 52, BORGER, TX 79008-0052
PO BOX 53, BORGER, TX 79008-0053
PO BOX 54, BORGER, TX 79008-0054
PO BOX 55, BORGER, TX 79008-0055
PO BOX 56, BORGER, TX 79008-0056
PO BOX 57, BORGER, TX 79008-0057
PO BOX 58, BORGER, TX 79008-0058
PO BOX 59, BORGER, TX 79008-0059
PO BOX 60, BORGER, TX 79008-0060
PO BOX 61, BORGER, TX 79008-0061
PO BOX 62, BORGER, TX 79008-0062
PO BOX 63, BORGER, TX 79008-0063
PO BOX 64, BORGER, TX 79008-0064
PO BOX 65, BORGER, TX 79008-0065
PO BOX 66, BORGER, TX 79008-0066
PO BOX 67, BORGER, TX 79008-0067
PO BOX 68, BORGER, TX 79008-0068
PO BOX 69, BORGER, TX 79008-0069
PO BOX 70, BORGER, TX 79008-0070
PO BOX 71, BORGER, TX 79008-0071
PO BOX 72, BORGER, TX 79008-0072
PO BOX 73, BORGER, TX 79008-0073
PO BOX 74, BORGER, TX 79008-0074
PO BOX 75, BORGER, TX 79008-0075
PO BOX 76, BORGER, TX 79008-0076
PO BOX 77, BORGER, TX 79008-0077
PO BOX 78, BORGER, TX 79008-0078
PO BOX 79, BORGER, TX 79008-0079
PO BOX 80, BORGER, TX 79008-0080
PO BOX 81, BORGER, TX 79008-0081
PO BOX 82, BORGER, TX 79008-0082
PO BOX 83, BORGER, TX 79008-0083
PO BOX 84, BORGER, TX 79008-0084
PO BOX 85, BORGER, TX 79008-0085
PO BOX 86, BORGER, TX 79008-0086
PO BOX 87, BORGER, TX 79008-0087
PO BOX 88, BORGER, TX 79008-0088
PO BOX 89, BORGER, TX 79008-0089
PO BOX 90, BORGER, TX 79008-0090
PO BOX 91, BORGER, TX 79008-0091
PO BOX 92, BORGER, TX 79008-0092
PO BOX 93, BORGER, TX 79008-0093
PO BOX 94, BORGER, TX 79008-0094
PO BOX 95, BORGER, TX 79008-0095
PO BOX 96, BORGER, TX 79008-0096
PO BOX 97, BORGER, TX 79008-0097
PO BOX 98, BORGER, TX 79008-0098
PO BOX 99, BORGER, TX 79008-0099
PO BOX 100, BORGER, TX 79008-0100
PO BOX 101, BORGER, TX 79008-0101
PO BOX 102, BORGER, TX 79008-0102
PO BOX 103, BORGER, TX 79008-0103
PO BOX 104, BORGER, TX 79008-0104
PO BOX 105, BORGER, TX 79008-0105
PO BOX 106, BORGER, TX 79008-0106
PO BOX 107, BORGER, TX 79008-0107
PO BOX 108, BORGER, TX 79008-0108
PO BOX 109, BORGER, TX 79008-0109
PO BOX 110, BORGER, TX 79008-0110
PO BOX 111, BORGER, TX 79008-0111
PO BOX 112, BORGER, TX 79008-0112
PO BOX 113, BORGER, TX 79008-0113
PO BOX 114, BORGER, TX 79008-0114
PO BOX 115, BORGER, TX 79008-0115
PO BOX 116, BORGER, TX 79008-0116
PO BOX 117, BORGER, TX 79008-0117
PO BOX 118, BORGER, TX 79008-0118
PO BOX 119, BORGER, TX 79008-0119
PO BOX 120, BORGER, TX 79008-0120
PO BOX 121, BORGER, TX 79008-0121
PO BOX 122, BORGER, TX 79008-0122
PO BOX 123, BORGER, TX 79008-0123
PO BOX 124, BORGER, TX 79008-0124
PO BOX 125, BORGER, TX 79008-0125
PO BOX 126, BORGER, TX 79008-0126
PO BOX 127, BORGER, TX 79008-0127
PO BOX 128, BORGER, TX 79008-0128
PO BOX 129, BORGER, TX 79008-0129
PO BOX 130, BORGER, TX 79008-0130
PO BOX 131, BORGER, TX 79008-0131
PO BOX 132, BORGER, TX 79008-0132
PO BOX 133, BORGER, TX 79008-0133
PO BOX 134, BORGER, TX 79008-0134
PO BOX 135, BORGER, TX 79008-0135
PO BOX 136, BORGER, TX 79008-0136
PO BOX 137, BORGER, TX 79008-0137
PO BOX 138, BORGER, TX 79008-0138
PO BOX 139, BORGER, TX 79008-0139
PO BOX 140, BORGER, TX 79008-0140
PO BOX 141, BORGER, TX 79008-0141
PO BOX 142, BORGER, TX 79008-0142
PO BOX 143, BORGER, TX 79008-0143
PO BOX 144, BORGER, TX 79008-0144
PO BOX 145, BORGER, TX 79008-0145
PO BOX 146, BORGER, TX 79008-0146
PO BOX 147, BORGER, TX 79008-0147
PO BOX 148, BORGER, TX 79008-0148
PO BOX 149, BORGER, TX 79008-0149
PO BOX 150, BORGER, TX 79008-0150
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