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, BOLTON LANDING, NY 12814-0001
PO BOX 2, BOLTON LANDING, NY 12814-0002
PO BOX 3, BOLTON LANDING, NY 12814-0003
PO BOX 4, BOLTON LANDING, NY 12814-0004
PO BOX 5, BOLTON LANDING, NY 12814-0005
PO BOX 6, BOLTON LANDING, NY 12814-0006
PO BOX 7, BOLTON LANDING, NY 12814-0007
PO BOX 8, BOLTON LANDING, NY 12814-0008
PO BOX 9, BOLTON LANDING, NY 12814-0009
PO BOX 10, BOLTON LANDING, NY 12814-0010
PO BOX 11, BOLTON LANDING, NY 12814-0011
PO BOX 12, BOLTON LANDING, NY 12814-0012
PO BOX 13, BOLTON LANDING, NY 12814-0013
PO BOX 14, BOLTON LANDING, NY 12814-0014
PO BOX 15, BOLTON LANDING, NY 12814-0015
PO BOX 16, BOLTON LANDING, NY 12814-0016
PO BOX 17, BOLTON LANDING, NY 12814-0017
PO BOX 18, BOLTON LANDING, NY 12814-0018
PO BOX 19, BOLTON LANDING, NY 12814-0019
PO BOX 20, BOLTON LANDING, NY 12814-0020
PO BOX 21, BOLTON LANDING, NY 12814-0021
PO BOX 22, BOLTON LANDING, NY 12814-0022
PO BOX 23, BOLTON LANDING, NY 12814-0023
PO BOX 24, BOLTON LANDING, NY 12814-0024
PO BOX 25, BOLTON LANDING, NY 12814-0025
PO BOX 26, BOLTON LANDING, NY 12814-0026
PO BOX 27, BOLTON LANDING, NY 12814-0027
PO BOX 28, BOLTON LANDING, NY 12814-0028
PO BOX 29, BOLTON LANDING, NY 12814-0029
PO BOX 30, BOLTON LANDING, NY 12814-0030
PO BOX 31, BOLTON LANDING, NY 12814-0031
PO BOX 32, BOLTON LANDING, NY 12814-0032
PO BOX 33, BOLTON LANDING, NY 12814-0033
PO BOX 34, BOLTON LANDING, NY 12814-0034
PO BOX 35, BOLTON LANDING, NY 12814-0035
PO BOX 36, BOLTON LANDING, NY 12814-0036
PO BOX 37, BOLTON LANDING, NY 12814-0037
PO BOX 38, BOLTON LANDING, NY 12814-0038
PO BOX 39, BOLTON LANDING, NY 12814-0039
PO BOX 40, BOLTON LANDING, NY 12814-0040
PO BOX 41, BOLTON LANDING, NY 12814-0041
PO BOX 42, BOLTON LANDING, NY 12814-0042
PO BOX 43, BOLTON LANDING, NY 12814-0043
PO BOX 44, BOLTON LANDING, NY 12814-0044
PO BOX 45, BOLTON LANDING, NY 12814-0045
PO BOX 46, BOLTON LANDING, NY 12814-0046
PO BOX 47, BOLTON LANDING, NY 12814-0047
PO BOX 48, BOLTON LANDING, NY 12814-0048
PO BOX 49, BOLTON LANDING, NY 12814-0049
PO BOX 50, BOLTON LANDING, NY 12814-0050
PO BOX 51, BOLTON LANDING, NY 12814-0051
PO BOX 52, BOLTON LANDING, NY 12814-0052
PO BOX 53, BOLTON LANDING, NY 12814-0053
PO BOX 54, BOLTON LANDING, NY 12814-0054
PO BOX 55, BOLTON LANDING, NY 12814-0055
PO BOX 56, BOLTON LANDING, NY 12814-0056
PO BOX 57, BOLTON LANDING, NY 12814-0057
PO BOX 58, BOLTON LANDING, NY 12814-0058
PO BOX 59, BOLTON LANDING, NY 12814-0059
PO BOX 60, BOLTON LANDING, NY 12814-0060
PO BOX 61, BOLTON LANDING, NY 12814-0061
PO BOX 62, BOLTON LANDING, NY 12814-0062
PO BOX 63, BOLTON LANDING, NY 12814-0063
PO BOX 64, BOLTON LANDING, NY 12814-0064
PO BOX 65, BOLTON LANDING, NY 12814-0065
PO BOX 66, BOLTON LANDING, NY 12814-0066
PO BOX 67, BOLTON LANDING, NY 12814-0067
PO BOX 68, BOLTON LANDING, NY 12814-0068
PO BOX 69, BOLTON LANDING, NY 12814-0069
PO BOX 70, BOLTON LANDING, NY 12814-0070
PO BOX 71, BOLTON LANDING, NY 12814-0071
PO BOX 72, BOLTON LANDING, NY 12814-0072
PO BOX 73, BOLTON LANDING, NY 12814-0073
PO BOX 74, BOLTON LANDING, NY 12814-0074
PO BOX 75, BOLTON LANDING, NY 12814-0075
PO BOX 76, BOLTON LANDING, NY 12814-0076
PO BOX 77, BOLTON LANDING, NY 12814-0077
PO BOX 78, BOLTON LANDING, NY 12814-0078
PO BOX 79, BOLTON LANDING, NY 12814-0079
PO BOX 80, BOLTON LANDING, NY 12814-0080
PO BOX 81, BOLTON LANDING, NY 12814-0081
PO BOX 82, BOLTON LANDING, NY 12814-0082
PO BOX 83, BOLTON LANDING, NY 12814-0083
PO BOX 84, BOLTON LANDING, NY 12814-0084
PO BOX 85, BOLTON LANDING, NY 12814-0085
PO BOX 86, BOLTON LANDING, NY 12814-0086
PO BOX 87, BOLTON LANDING, NY 12814-0087
PO BOX 88, BOLTON LANDING, NY 12814-0088
PO BOX 89, BOLTON LANDING, NY 12814-0089
PO BOX 90, BOLTON LANDING, NY 12814-0090
PO BOX 91, BOLTON LANDING, NY 12814-0091
PO BOX 92, BOLTON LANDING, NY 12814-0092
PO BOX 93, BOLTON LANDING, NY 12814-0093
PO BOX 94, BOLTON LANDING, NY 12814-0094
PO BOX 95, BOLTON LANDING, NY 12814-0095
PO BOX 96, BOLTON LANDING, NY 12814-0096
PO BOX 97, BOLTON LANDING, NY 12814-0097
PO BOX 98, BOLTON LANDING, NY 12814-0098
PO BOX 99, BOLTON LANDING, NY 12814-0099
PO BOX 100, BOLTON LANDING, NY 12814-0100
PO BOX 101, BOLTON LANDING, NY 12814-0101
PO BOX 102, BOLTON LANDING, NY 12814-0102
PO BOX 103, BOLTON LANDING, NY 12814-0103
PO BOX 104, BOLTON LANDING, NY 12814-0104
PO BOX 105, BOLTON LANDING, NY 12814-0105
PO BOX 106, BOLTON LANDING, NY 12814-0106
PO BOX 107, BOLTON LANDING, NY 12814-0107
PO BOX 108, BOLTON LANDING, NY 12814-0108
PO BOX 109, BOLTON LANDING, NY 12814-0109
PO BOX 110, BOLTON LANDING, NY 12814-0110
PO BOX 111, BOLTON LANDING, NY 12814-0111
PO BOX 112, BOLTON LANDING, NY 12814-0112
PO BOX 113, BOLTON LANDING, NY 12814-0113
PO BOX 114, BOLTON LANDING, NY 12814-0114
PO BOX 115, BOLTON LANDING, NY 12814-0115
PO BOX 116, BOLTON LANDING, NY 12814-0116
PO BOX 117, BOLTON LANDING, NY 12814-0117
PO BOX 118, BOLTON LANDING, NY 12814-0118
PO BOX 119, BOLTON LANDING, NY 12814-0119
PO BOX 120, BOLTON LANDING, NY 12814-0120
PO BOX 121, BOLTON LANDING, NY 12814-0121
PO BOX 122, BOLTON LANDING, NY 12814-0122
PO BOX 123, BOLTON LANDING, NY 12814-0123
PO BOX 124, BOLTON LANDING, NY 12814-0124
PO BOX 125, BOLTON LANDING, NY 12814-0125
PO BOX 126, BOLTON LANDING, NY 12814-0126
PO BOX 127, BOLTON LANDING, NY 12814-0127
PO BOX 128, BOLTON LANDING, NY 12814-0128
PO BOX 129, BOLTON LANDING, NY 12814-0129
PO BOX 130, BOLTON LANDING, NY 12814-0130
PO BOX 131, BOLTON LANDING, NY 12814-0131
PO BOX 132, BOLTON LANDING, NY 12814-0132
PO BOX 133, BOLTON LANDING, NY 12814-0133
PO BOX 134, BOLTON LANDING, NY 12814-0134
PO BOX 135, BOLTON LANDING, NY 12814-0135
PO BOX 136, BOLTON LANDING, NY 12814-0136
PO BOX 137, BOLTON LANDING, NY 12814-0137
PO BOX 138, BOLTON LANDING, NY 12814-0138
PO BOX 139, BOLTON LANDING, NY 12814-0139
PO BOX 140, BOLTON LANDING, NY 12814-0140
PO BOX 141, BOLTON LANDING, NY 12814-0141
PO BOX 142, BOLTON LANDING, NY 12814-0142
PO BOX 143, BOLTON LANDING, NY 12814-0143
PO BOX 144, BOLTON LANDING, NY 12814-0144
PO BOX 145, BOLTON LANDING, NY 12814-0145
PO BOX 146, BOLTON LANDING, NY 12814-0146
PO BOX 147, BOLTON LANDING, NY 12814-0147
PO BOX 148, BOLTON LANDING, NY 12814-0148
PO BOX 149, BOLTON LANDING, NY 12814-0149
PO BOX 150, BOLTON LANDING, NY 12814-0150
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