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, MOUNT PLEASANT, SC 29465-0001
PO BOX 2, MOUNT PLEASANT, SC 29465-0002
PO BOX 3, MOUNT PLEASANT, SC 29465-0003
PO BOX 4, MOUNT PLEASANT, SC 29465-0004
PO BOX 5, MOUNT PLEASANT, SC 29465-0005
PO BOX 6, MOUNT PLEASANT, SC 29465-0006
PO BOX 7, MOUNT PLEASANT, SC 29465-0007
PO BOX 8, MOUNT PLEASANT, SC 29465-0008
PO BOX 9, MOUNT PLEASANT, SC 29465-0009
PO BOX 10, MOUNT PLEASANT, SC 29465-0010
PO BOX 11, MOUNT PLEASANT, SC 29465-0011
PO BOX 12, MOUNT PLEASANT, SC 29465-0012
PO BOX 13, MOUNT PLEASANT, SC 29465-0013
PO BOX 14, MOUNT PLEASANT, SC 29465-0014
PO BOX 15, MOUNT PLEASANT, SC 29465-0015
PO BOX 16, MOUNT PLEASANT, SC 29465-0016
PO BOX 17, MOUNT PLEASANT, SC 29465-0017
PO BOX 18, MOUNT PLEASANT, SC 29465-0018
PO BOX 19, MOUNT PLEASANT, SC 29465-0019
PO BOX 20, MOUNT PLEASANT, SC 29465-0020
PO BOX 21, MOUNT PLEASANT, SC 29465-0021
PO BOX 22, MOUNT PLEASANT, SC 29465-0022
PO BOX 23, MOUNT PLEASANT, SC 29465-0023
PO BOX 24, MOUNT PLEASANT, SC 29465-0024
PO BOX 25, MOUNT PLEASANT, SC 29465-0025
PO BOX 26, MOUNT PLEASANT, SC 29465-0026
PO BOX 27, MOUNT PLEASANT, SC 29465-0027
PO BOX 28, MOUNT PLEASANT, SC 29465-0028
PO BOX 29, MOUNT PLEASANT, SC 29465-0029
PO BOX 30, MOUNT PLEASANT, SC 29465-0030
PO BOX 31, MOUNT PLEASANT, SC 29465-0031
PO BOX 32, MOUNT PLEASANT, SC 29465-0032
PO BOX 33, MOUNT PLEASANT, SC 29465-0033
PO BOX 34, MOUNT PLEASANT, SC 29465-0034
PO BOX 35, MOUNT PLEASANT, SC 29465-0035
PO BOX 36, MOUNT PLEASANT, SC 29465-0036
PO BOX 37, MOUNT PLEASANT, SC 29465-0037
PO BOX 38, MOUNT PLEASANT, SC 29465-0038
PO BOX 39, MOUNT PLEASANT, SC 29465-0039
PO BOX 40, MOUNT PLEASANT, SC 29465-0040
PO BOX 41, MOUNT PLEASANT, SC 29465-0041
PO BOX 42, MOUNT PLEASANT, SC 29465-0042
PO BOX 43, MOUNT PLEASANT, SC 29465-0043
PO BOX 44, MOUNT PLEASANT, SC 29465-0044
PO BOX 45, MOUNT PLEASANT, SC 29465-0045
PO BOX 46, MOUNT PLEASANT, SC 29465-0046
PO BOX 47, MOUNT PLEASANT, SC 29465-0047
PO BOX 48, MOUNT PLEASANT, SC 29465-0048
PO BOX 49, MOUNT PLEASANT, SC 29465-0049
PO BOX 50, MOUNT PLEASANT, SC 29465-0050
PO BOX 51, MOUNT PLEASANT, SC 29465-0051
PO BOX 52, MOUNT PLEASANT, SC 29465-0052
PO BOX 53, MOUNT PLEASANT, SC 29465-0053
PO BOX 54, MOUNT PLEASANT, SC 29465-0054
PO BOX 55, MOUNT PLEASANT, SC 29465-0055
PO BOX 56, MOUNT PLEASANT, SC 29465-0056
PO BOX 57, MOUNT PLEASANT, SC 29465-0057
PO BOX 58, MOUNT PLEASANT, SC 29465-0058
PO BOX 59, MOUNT PLEASANT, SC 29465-0059
PO BOX 60, MOUNT PLEASANT, SC 29465-0060
PO BOX 61, MOUNT PLEASANT, SC 29465-0061
PO BOX 62, MOUNT PLEASANT, SC 29465-0062
PO BOX 63, MOUNT PLEASANT, SC 29465-0063
PO BOX 64, MOUNT PLEASANT, SC 29465-0064
PO BOX 65, MOUNT PLEASANT, SC 29465-0065
PO BOX 66, MOUNT PLEASANT, SC 29465-0066
PO BOX 67, MOUNT PLEASANT, SC 29465-0067
PO BOX 68, MOUNT PLEASANT, SC 29465-0068
PO BOX 69, MOUNT PLEASANT, SC 29465-0069
PO BOX 70, MOUNT PLEASANT, SC 29465-0070
PO BOX 71, MOUNT PLEASANT, SC 29465-0071
PO BOX 72, MOUNT PLEASANT, SC 29465-0072
PO BOX 73, MOUNT PLEASANT, SC 29465-0073
PO BOX 74, MOUNT PLEASANT, SC 29465-0074
PO BOX 75, MOUNT PLEASANT, SC 29465-0075
PO BOX 76, MOUNT PLEASANT, SC 29465-0076
PO BOX 77, MOUNT PLEASANT, SC 29465-0077
PO BOX 78, MOUNT PLEASANT, SC 29465-0078
PO BOX 79, MOUNT PLEASANT, SC 29465-0079
PO BOX 80, MOUNT PLEASANT, SC 29465-0080
PO BOX 81, MOUNT PLEASANT, SC 29465-0081
PO BOX 82, MOUNT PLEASANT, SC 29465-0082
PO BOX 83, MOUNT PLEASANT, SC 29465-0083
PO BOX 84, MOUNT PLEASANT, SC 29465-0084
PO BOX 85, MOUNT PLEASANT, SC 29465-0085
PO BOX 86, MOUNT PLEASANT, SC 29465-0086
PO BOX 87, MOUNT PLEASANT, SC 29465-0087
PO BOX 88, MOUNT PLEASANT, SC 29465-0088
PO BOX 89, MOUNT PLEASANT, SC 29465-0089
PO BOX 90, MOUNT PLEASANT, SC 29465-0090
PO BOX 91, MOUNT PLEASANT, SC 29465-0091
PO BOX 92, MOUNT PLEASANT, SC 29465-0092
PO BOX 93, MOUNT PLEASANT, SC 29465-0093
PO BOX 94, MOUNT PLEASANT, SC 29465-0094
PO BOX 95, MOUNT PLEASANT, SC 29465-0095
PO BOX 96, MOUNT PLEASANT, SC 29465-0096
PO BOX 97, MOUNT PLEASANT, SC 29465-0097
PO BOX 98, MOUNT PLEASANT, SC 29465-0098
PO BOX 99, MOUNT PLEASANT, SC 29465-0099
PO BOX 100, MOUNT PLEASANT, SC 29465-0100
PO BOX 101, MOUNT PLEASANT, SC 29465-0101
PO BOX 102, MOUNT PLEASANT, SC 29465-0102
PO BOX 103, MOUNT PLEASANT, SC 29465-0103
PO BOX 104, MOUNT PLEASANT, SC 29465-0104
PO BOX 105, MOUNT PLEASANT, SC 29465-0105
PO BOX 106, MOUNT PLEASANT, SC 29465-0106
PO BOX 107, MOUNT PLEASANT, SC 29465-0107
PO BOX 108, MOUNT PLEASANT, SC 29465-0108
PO BOX 109, MOUNT PLEASANT, SC 29465-0109
PO BOX 110, MOUNT PLEASANT, SC 29465-0110
PO BOX 111, MOUNT PLEASANT, SC 29465-0111
PO BOX 112, MOUNT PLEASANT, SC 29465-0112
PO BOX 113, MOUNT PLEASANT, SC 29465-0113
PO BOX 114, MOUNT PLEASANT, SC 29465-0114
Add new comment