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 580001, NORTH PALM SPRINGS, CA 92258-0001
PO BOX 580002, NORTH PALM SPRINGS, CA 92258-0002
PO BOX 580003, NORTH PALM SPRINGS, CA 92258-0003
PO BOX 580004, NORTH PALM SPRINGS, CA 92258-0004
PO BOX 580005, NORTH PALM SPRINGS, CA 92258-0005
PO BOX 580006, NORTH PALM SPRINGS, CA 92258-0006
PO BOX 580007, NORTH PALM SPRINGS, CA 92258-0007
PO BOX 580008, NORTH PALM SPRINGS, CA 92258-0008
PO BOX 580009, NORTH PALM SPRINGS, CA 92258-0009
PO BOX 580010, NORTH PALM SPRINGS, CA 92258-0010
PO BOX 580011, NORTH PALM SPRINGS, CA 92258-0011
PO BOX 580012, NORTH PALM SPRINGS, CA 92258-0012
PO BOX 580013, NORTH PALM SPRINGS, CA 92258-0013
PO BOX 580014, NORTH PALM SPRINGS, CA 92258-0014
PO BOX 580015, NORTH PALM SPRINGS, CA 92258-0015
PO BOX 580016, NORTH PALM SPRINGS, CA 92258-0016
PO BOX 580017, NORTH PALM SPRINGS, CA 92258-0017
PO BOX 580018, NORTH PALM SPRINGS, CA 92258-0018
PO BOX 580019, NORTH PALM SPRINGS, CA 92258-0019
PO BOX 580020, NORTH PALM SPRINGS, CA 92258-0020
PO BOX 580021, NORTH PALM SPRINGS, CA 92258-0021
PO BOX 580022, NORTH PALM SPRINGS, CA 92258-0022
PO BOX 580023, NORTH PALM SPRINGS, CA 92258-0023
PO BOX 580024, NORTH PALM SPRINGS, CA 92258-0024
PO BOX 580025, NORTH PALM SPRINGS, CA 92258-0025
PO BOX 580026, NORTH PALM SPRINGS, CA 92258-0026
PO BOX 580027, NORTH PALM SPRINGS, CA 92258-0027
PO BOX 580028, NORTH PALM SPRINGS, CA 92258-0028
PO BOX 580029, NORTH PALM SPRINGS, CA 92258-0029
PO BOX 580030, NORTH PALM SPRINGS, CA 92258-0030
PO BOX 580031, NORTH PALM SPRINGS, CA 92258-0031
PO BOX 580032, NORTH PALM SPRINGS, CA 92258-0032
PO BOX 580033, NORTH PALM SPRINGS, CA 92258-0033
PO BOX 580034, NORTH PALM SPRINGS, CA 92258-0034
PO BOX 580035, NORTH PALM SPRINGS, CA 92258-0035
PO BOX 580036, NORTH PALM SPRINGS, CA 92258-0036
PO BOX 580037, NORTH PALM SPRINGS, CA 92258-0037
PO BOX 580038, NORTH PALM SPRINGS, CA 92258-0038
PO BOX 580039, NORTH PALM SPRINGS, CA 92258-0039
PO BOX 580040, NORTH PALM SPRINGS, CA 92258-0040
PO BOX 580041, NORTH PALM SPRINGS, CA 92258-0041
PO BOX 580042, NORTH PALM SPRINGS, CA 92258-0042
PO BOX 580043, NORTH PALM SPRINGS, CA 92258-0043
PO BOX 580044, NORTH PALM SPRINGS, CA 92258-0044
PO BOX 580045, NORTH PALM SPRINGS, CA 92258-0045
PO BOX 580046, NORTH PALM SPRINGS, CA 92258-0046
PO BOX 580047, NORTH PALM SPRINGS, CA 92258-0047
PO BOX 580048, NORTH PALM SPRINGS, CA 92258-0048
PO BOX 580049, NORTH PALM SPRINGS, CA 92258-0049
PO BOX 580050, NORTH PALM SPRINGS, CA 92258-0050
PO BOX 580051, NORTH PALM SPRINGS, CA 92258-0051
PO BOX 580052, NORTH PALM SPRINGS, CA 92258-0052
PO BOX 580053, NORTH PALM SPRINGS, CA 92258-0053
PO BOX 580054, NORTH PALM SPRINGS, CA 92258-0054
PO BOX 580055, NORTH PALM SPRINGS, CA 92258-0055
PO BOX 580056, NORTH PALM SPRINGS, CA 92258-0056
PO BOX 580057, NORTH PALM SPRINGS, CA 92258-0057
PO BOX 580058, NORTH PALM SPRINGS, CA 92258-0058
PO BOX 580059, NORTH PALM SPRINGS, CA 92258-0059
PO BOX 580060, NORTH PALM SPRINGS, CA 92258-0060
PO BOX 580061, NORTH PALM SPRINGS, CA 92258-0061
PO BOX 580062, NORTH PALM SPRINGS, CA 92258-0062
PO BOX 580063, NORTH PALM SPRINGS, CA 92258-0063
PO BOX 580064, NORTH PALM SPRINGS, CA 92258-0064
PO BOX 580065, NORTH PALM SPRINGS, CA 92258-0065
PO BOX 580066, NORTH PALM SPRINGS, CA 92258-0066
PO BOX 580067, NORTH PALM SPRINGS, CA 92258-0067
PO BOX 580068, NORTH PALM SPRINGS, CA 92258-0068
PO BOX 580069, NORTH PALM SPRINGS, CA 92258-0069
PO BOX 580070, NORTH PALM SPRINGS, CA 92258-0070
PO BOX 580071, NORTH PALM SPRINGS, CA 92258-0071
PO BOX 580072, NORTH PALM SPRINGS, CA 92258-0072
PO BOX 580073, NORTH PALM SPRINGS, CA 92258-0073
PO BOX 580074, NORTH PALM SPRINGS, CA 92258-0074
PO BOX 580075, NORTH PALM SPRINGS, CA 92258-0075
PO BOX 580076, NORTH PALM SPRINGS, CA 92258-0076
PO BOX 580077, NORTH PALM SPRINGS, CA 92258-0077
PO BOX 580078, NORTH PALM SPRINGS, CA 92258-0078
PO BOX 580079, NORTH PALM SPRINGS, CA 92258-0079
PO BOX 580080, NORTH PALM SPRINGS, CA 92258-0080
PO BOX 580081, NORTH PALM SPRINGS, CA 92258-0081
PO BOX 580082, NORTH PALM SPRINGS, CA 92258-0082
PO BOX 580083, NORTH PALM SPRINGS, CA 92258-0083
PO BOX 580084, NORTH PALM SPRINGS, CA 92258-0084
PO BOX 580085, NORTH PALM SPRINGS, CA 92258-0085
PO BOX 580086, NORTH PALM SPRINGS, CA 92258-0086
PO BOX 580087, NORTH PALM SPRINGS, CA 92258-0087
PO BOX 580088, NORTH PALM SPRINGS, CA 92258-0088
PO BOX 580089, NORTH PALM SPRINGS, CA 92258-0089
PO BOX 580090, NORTH PALM SPRINGS, CA 92258-0090
PO BOX 580091, NORTH PALM SPRINGS, CA 92258-0091
PO BOX 580092, NORTH PALM SPRINGS, CA 92258-0092
PO BOX 580093, NORTH PALM SPRINGS, CA 92258-0093
PO BOX 580094, NORTH PALM SPRINGS, CA 92258-0094
PO BOX 580095, NORTH PALM SPRINGS, CA 92258-0095
PO BOX 580096, NORTH PALM SPRINGS, CA 92258-0096
PO BOX 580097, NORTH PALM SPRINGS, CA 92258-0097
PO BOX 580098, NORTH PALM SPRINGS, CA 92258-0098
PO BOX 580099, NORTH PALM SPRINGS, CA 92258-0099
PO BOX 580100, NORTH PALM SPRINGS, CA 92258-0100
PO BOX 580101, NORTH PALM SPRINGS, CA 92258-0101
PO BOX 580102, NORTH PALM SPRINGS, CA 92258-0102
PO BOX 580103, NORTH PALM SPRINGS, CA 92258-0103
PO BOX 580104, NORTH PALM SPRINGS, CA 92258-0104
PO BOX 580105, NORTH PALM SPRINGS, CA 92258-0105
PO BOX 580106, NORTH PALM SPRINGS, CA 92258-0106
PO BOX 580107, NORTH PALM SPRINGS, CA 92258-0107
PO BOX 580108, NORTH PALM SPRINGS, CA 92258-0108
PO BOX 580109, NORTH PALM SPRINGS, CA 92258-0109
PO BOX 580110, NORTH PALM SPRINGS, CA 92258-0110
PO BOX 580111, NORTH PALM SPRINGS, CA 92258-0111
PO BOX 580112, NORTH PALM SPRINGS, CA 92258-0112
PO BOX 580113, NORTH PALM SPRINGS, CA 92258-0113
PO BOX 580114, NORTH PALM SPRINGS, CA 92258-0114
PO BOX 580115, NORTH PALM SPRINGS, CA 92258-0115
PO BOX 580116, NORTH PALM SPRINGS, CA 92258-0116
PO BOX 580117, NORTH PALM SPRINGS, CA 92258-0117
PO BOX 580118, NORTH PALM SPRINGS, CA 92258-0118
PO BOX 580119, NORTH PALM SPRINGS, CA 92258-0119
PO BOX 580120, NORTH PALM SPRINGS, CA 92258-0120
PO BOX 580121, NORTH PALM SPRINGS, CA 92258-0121
PO BOX 580122, NORTH PALM SPRINGS, CA 92258-0122
PO BOX 580123, NORTH PALM SPRINGS, CA 92258-0123
PO BOX 580124, NORTH PALM SPRINGS, CA 92258-0124
PO BOX 580125, NORTH PALM SPRINGS, CA 92258-0125
PO BOX 580126, NORTH PALM SPRINGS, CA 92258-0126
PO BOX 580127, NORTH PALM SPRINGS, CA 92258-0127
PO BOX 580128, NORTH PALM SPRINGS, CA 92258-0128
PO BOX 580129, NORTH PALM SPRINGS, CA 92258-0129
PO BOX 580130, NORTH PALM SPRINGS, CA 92258-0130
PO BOX 580131, NORTH PALM SPRINGS, CA 92258-0131
PO BOX 580132, NORTH PALM SPRINGS, CA 92258-0132
PO BOX 580133, NORTH PALM SPRINGS, CA 92258-0133
PO BOX 580134, NORTH PALM SPRINGS, CA 92258-0134
PO BOX 580135, NORTH PALM SPRINGS, CA 92258-0135
PO BOX 580136, NORTH PALM SPRINGS, CA 92258-0136
PO BOX 580137, NORTH PALM SPRINGS, CA 92258-0137
PO BOX 580138, NORTH PALM SPRINGS, CA 92258-0138
PO BOX 580139, NORTH PALM SPRINGS, CA 92258-0139
PO BOX 580140, NORTH PALM SPRINGS, CA 92258-0140
PO BOX 580141, NORTH PALM SPRINGS, CA 92258-0141
PO BOX 580142, NORTH PALM SPRINGS, CA 92258-0142
PO BOX 580143, NORTH PALM SPRINGS, CA 92258-0143
PO BOX 580144, NORTH PALM SPRINGS, CA 92258-0144
PO BOX 580145, NORTH PALM SPRINGS, CA 92258-0145
PO BOX 580146, NORTH PALM SPRINGS, CA 92258-0146
PO BOX 580147, NORTH PALM SPRINGS, CA 92258-0147
PO BOX 580148, NORTH PALM SPRINGS, CA 92258-0148
PO BOX 580149, NORTH PALM SPRINGS, CA 92258-0149
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