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, TARIFFVILLE, CT 06081-0001
PO BOX 2, TARIFFVILLE, CT 06081-0002
PO BOX 3, TARIFFVILLE, CT 06081-0003
PO BOX 4, TARIFFVILLE, CT 06081-0004
PO BOX 5, TARIFFVILLE, CT 06081-0005
PO BOX 6, TARIFFVILLE, CT 06081-0006
PO BOX 7, TARIFFVILLE, CT 06081-0007
PO BOX 8, TARIFFVILLE, CT 06081-0008
PO BOX 9, TARIFFVILLE, CT 06081-0009
PO BOX 10, TARIFFVILLE, CT 06081-0010
PO BOX 11, TARIFFVILLE, CT 06081-0011
PO BOX 12, TARIFFVILLE, CT 06081-0012
PO BOX 13, TARIFFVILLE, CT 06081-0013
PO BOX 14, TARIFFVILLE, CT 06081-0014
PO BOX 15, TARIFFVILLE, CT 06081-0015
PO BOX 16, TARIFFVILLE, CT 06081-0016
PO BOX 17, TARIFFVILLE, CT 06081-0017
PO BOX 18, TARIFFVILLE, CT 06081-0018
PO BOX 19, TARIFFVILLE, CT 06081-0019
PO BOX 20, TARIFFVILLE, CT 06081-0020
PO BOX 21, TARIFFVILLE, CT 06081-0021
PO BOX 22, TARIFFVILLE, CT 06081-0022
PO BOX 23, TARIFFVILLE, CT 06081-0023
PO BOX 24, TARIFFVILLE, CT 06081-0024
PO BOX 25, TARIFFVILLE, CT 06081-0025
PO BOX 26, TARIFFVILLE, CT 06081-0026
PO BOX 27, TARIFFVILLE, CT 06081-0027
PO BOX 28, TARIFFVILLE, CT 06081-0028
PO BOX 29, TARIFFVILLE, CT 06081-0029
PO BOX 30, TARIFFVILLE, CT 06081-0030
PO BOX 31, TARIFFVILLE, CT 06081-0031
PO BOX 32, TARIFFVILLE, CT 06081-0032
PO BOX 33, TARIFFVILLE, CT 06081-0033
PO BOX 34, TARIFFVILLE, CT 06081-0034
PO BOX 35, TARIFFVILLE, CT 06081-0035
PO BOX 36, TARIFFVILLE, CT 06081-0036
PO BOX 37, TARIFFVILLE, CT 06081-0037
PO BOX 38, TARIFFVILLE, CT 06081-0038
PO BOX 39, TARIFFVILLE, CT 06081-0039
PO BOX 40, TARIFFVILLE, CT 06081-0040
PO BOX 41, TARIFFVILLE, CT 06081-0041
PO BOX 42, TARIFFVILLE, CT 06081-0042
PO BOX 43, TARIFFVILLE, CT 06081-0043
PO BOX 44, TARIFFVILLE, CT 06081-0044
PO BOX 45, TARIFFVILLE, CT 06081-0045
PO BOX 46, TARIFFVILLE, CT 06081-0046
PO BOX 47, TARIFFVILLE, CT 06081-0047
PO BOX 48, TARIFFVILLE, CT 06081-0048
PO BOX 49, TARIFFVILLE, CT 06081-0049
PO BOX 50, TARIFFVILLE, CT 06081-0050
PO BOX 51, TARIFFVILLE, CT 06081-0051
PO BOX 52, TARIFFVILLE, CT 06081-0052
PO BOX 53, TARIFFVILLE, CT 06081-0053
PO BOX 54, TARIFFVILLE, CT 06081-0054
PO BOX 55, TARIFFVILLE, CT 06081-0055
PO BOX 56, TARIFFVILLE, CT 06081-0056
PO BOX 57, TARIFFVILLE, CT 06081-0057
PO BOX 58, TARIFFVILLE, CT 06081-0058
PO BOX 59, TARIFFVILLE, CT 06081-0059
PO BOX 60, TARIFFVILLE, CT 06081-0060
PO BOX 61, TARIFFVILLE, CT 06081-0061
PO BOX 62, TARIFFVILLE, CT 06081-0062
PO BOX 63, TARIFFVILLE, CT 06081-0063
PO BOX 64, TARIFFVILLE, CT 06081-0064
PO BOX 65, TARIFFVILLE, CT 06081-0065
PO BOX 66, TARIFFVILLE, CT 06081-0066
PO BOX 67, TARIFFVILLE, CT 06081-0067
PO BOX 68, TARIFFVILLE, CT 06081-0068
PO BOX 69, TARIFFVILLE, CT 06081-0069
PO BOX 70, TARIFFVILLE, CT 06081-0070
PO BOX 71, TARIFFVILLE, CT 06081-0071
PO BOX 72, TARIFFVILLE, CT 06081-0072
PO BOX 73, TARIFFVILLE, CT 06081-0073
PO BOX 74, TARIFFVILLE, CT 06081-0074
PO BOX 75, TARIFFVILLE, CT 06081-0075
PO BOX 76, TARIFFVILLE, CT 06081-0076
PO BOX 77, TARIFFVILLE, CT 06081-0077
PO BOX 78, TARIFFVILLE, CT 06081-0078
PO BOX 79, TARIFFVILLE, CT 06081-0079
PO BOX 80, TARIFFVILLE, CT 06081-0080
PO BOX 81, TARIFFVILLE, CT 06081-0081
PO BOX 82, TARIFFVILLE, CT 06081-0082
PO BOX 83, TARIFFVILLE, CT 06081-0083
PO BOX 84, TARIFFVILLE, CT 06081-0084
PO BOX 85, TARIFFVILLE, CT 06081-0085
PO BOX 86, TARIFFVILLE, CT 06081-0086
PO BOX 87, TARIFFVILLE, CT 06081-0087
PO BOX 88, TARIFFVILLE, CT 06081-0088
PO BOX 89, TARIFFVILLE, CT 06081-0089
PO BOX 90, TARIFFVILLE, CT 06081-0090
PO BOX 91, TARIFFVILLE, CT 06081-0091
PO BOX 92, TARIFFVILLE, CT 06081-0092
PO BOX 93, TARIFFVILLE, CT 06081-0093
PO BOX 94, TARIFFVILLE, CT 06081-0094
PO BOX 95, TARIFFVILLE, CT 06081-0095
PO BOX 96, TARIFFVILLE, CT 06081-0096
PO BOX 97, TARIFFVILLE, CT 06081-0097
PO BOX 98, TARIFFVILLE, CT 06081-0098
PO BOX 99, TARIFFVILLE, CT 06081-0099
PO BOX 100, TARIFFVILLE, CT 06081-0100
PO BOX 101, TARIFFVILLE, CT 06081-0101
PO BOX 102, TARIFFVILLE, CT 06081-0102
PO BOX 103, TARIFFVILLE, CT 06081-0103
PO BOX 104, TARIFFVILLE, CT 06081-0104
PO BOX 105, TARIFFVILLE, CT 06081-0105
PO BOX 106, TARIFFVILLE, CT 06081-0106
PO BOX 107, TARIFFVILLE, CT 06081-0107
PO BOX 108, TARIFFVILLE, CT 06081-0108
PO BOX 109, TARIFFVILLE, CT 06081-0109
PO BOX 110, TARIFFVILLE, CT 06081-0110
PO BOX 111, TARIFFVILLE, CT 06081-0111
PO BOX 112, TARIFFVILLE, CT 06081-0112
PO BOX 113, TARIFFVILLE, CT 06081-0113
PO BOX 114, TARIFFVILLE, CT 06081-0114
PO BOX 115, TARIFFVILLE, CT 06081-0115
PO BOX 116, TARIFFVILLE, CT 06081-0116
PO BOX 117, TARIFFVILLE, CT 06081-0117
PO BOX 118, TARIFFVILLE, CT 06081-0118
PO BOX 119, TARIFFVILLE, CT 06081-0119
PO BOX 120, TARIFFVILLE, CT 06081-0120
PO BOX 121, TARIFFVILLE, CT 06081-0121
PO BOX 122, TARIFFVILLE, CT 06081-0122
PO BOX 123, TARIFFVILLE, CT 06081-0123
PO BOX 124, TARIFFVILLE, CT 06081-0124
PO BOX 125, TARIFFVILLE, CT 06081-0125
PO BOX 126, TARIFFVILLE, CT 06081-0126
PO BOX 127, TARIFFVILLE, CT 06081-0127
PO BOX 128, TARIFFVILLE, CT 06081-0128
PO BOX 129, TARIFFVILLE, CT 06081-0129
PO BOX 130, TARIFFVILLE, CT 06081-0130
PO BOX 131, TARIFFVILLE, CT 06081-0131
PO BOX 132, TARIFFVILLE, CT 06081-0132
PO BOX 133, TARIFFVILLE, CT 06081-0133
PO BOX 134, TARIFFVILLE, CT 06081-0134
PO BOX 135, TARIFFVILLE, CT 06081-0135
PO BOX 136, TARIFFVILLE, CT 06081-0136
PO BOX 137, TARIFFVILLE, CT 06081-0137
PO BOX 138, TARIFFVILLE, CT 06081-0138
PO BOX 139, TARIFFVILLE, CT 06081-0139
PO BOX 140, TARIFFVILLE, CT 06081-0140
PO BOX 141, TARIFFVILLE, CT 06081-0141
PO BOX 142, TARIFFVILLE, CT 06081-0142
PO BOX 143, TARIFFVILLE, CT 06081-0143
PO BOX 144, TARIFFVILLE, CT 06081-0144
PO BOX 145, TARIFFVILLE, CT 06081-0145
PO BOX 146, TARIFFVILLE, CT 06081-0146
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