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 30014, CORPUS CHRISTI, TX 78463-0014
PO BOX 30015, CORPUS CHRISTI, TX 78463-0015
PO BOX 30016, CORPUS CHRISTI, TX 78463-0016
PO BOX 30017, CORPUS CHRISTI, TX 78463-0017
PO BOX 30018, CORPUS CHRISTI, TX 78463-0018
PO BOX 30019, CORPUS CHRISTI, TX 78463-0019
PO BOX 30020, CORPUS CHRISTI, TX 78463-0020
PO BOX 30021, CORPUS CHRISTI, TX 78463-0021
PO BOX 30022, CORPUS CHRISTI, TX 78463-0022
PO BOX 30023, CORPUS CHRISTI, TX 78463-0023
PO BOX 30024, CORPUS CHRISTI, TX 78463-0024
PO BOX 30025, CORPUS CHRISTI, TX 78463-0025
PO BOX 30026, CORPUS CHRISTI, TX 78463-0026
PO BOX 30027, CORPUS CHRISTI, TX 78463-0027
PO BOX 30028, CORPUS CHRISTI, TX 78463-0028
PO BOX 30029, CORPUS CHRISTI, TX 78463-0029
PO BOX 30030, CORPUS CHRISTI, TX 78463-0030
PO BOX 30031, CORPUS CHRISTI, TX 78463-0031
PO BOX 30032, CORPUS CHRISTI, TX 78463-0032
PO BOX 30033, CORPUS CHRISTI, TX 78463-0033
PO BOX 30034, CORPUS CHRISTI, TX 78463-0034
PO BOX 30035, CORPUS CHRISTI, TX 78463-0035
PO BOX 30036, CORPUS CHRISTI, TX 78463-0036
PO BOX 30037, CORPUS CHRISTI, TX 78463-0037
PO BOX 30038, CORPUS CHRISTI, TX 78463-0038
PO BOX 30039, CORPUS CHRISTI, TX 78463-0039
PO BOX 30040, CORPUS CHRISTI, TX 78463-0040
PO BOX 30041, CORPUS CHRISTI, TX 78463-0041
PO BOX 30042, CORPUS CHRISTI, TX 78463-0042
PO BOX 30043, CORPUS CHRISTI, TX 78463-0043
PO BOX 30044, CORPUS CHRISTI, TX 78463-0044
PO BOX 30045, CORPUS CHRISTI, TX 78463-0045
PO BOX 30046, CORPUS CHRISTI, TX 78463-0046
PO BOX 30047, CORPUS CHRISTI, TX 78463-0047
PO BOX 30048, CORPUS CHRISTI, TX 78463-0048
PO BOX 30049, CORPUS CHRISTI, TX 78463-0049
PO BOX 30050, CORPUS CHRISTI, TX 78463-0050
PO BOX 30051, CORPUS CHRISTI, TX 78463-0051
PO BOX 30052, CORPUS CHRISTI, TX 78463-0052
PO BOX 30053, CORPUS CHRISTI, TX 78463-0053
PO BOX 30054, CORPUS CHRISTI, TX 78463-0054
PO BOX 30055, CORPUS CHRISTI, TX 78463-0055
PO BOX 30056, CORPUS CHRISTI, TX 78463-0056
PO BOX 30057, CORPUS CHRISTI, TX 78463-0057
PO BOX 30058, CORPUS CHRISTI, TX 78463-0058
PO BOX 30059, CORPUS CHRISTI, TX 78463-0059
PO BOX 30060, CORPUS CHRISTI, TX 78463-0060
PO BOX 30061, CORPUS CHRISTI, TX 78463-0061
PO BOX 30062, CORPUS CHRISTI, TX 78463-0062
PO BOX 30063, CORPUS CHRISTI, TX 78463-0063
PO BOX 30064, CORPUS CHRISTI, TX 78463-0064
PO BOX 30065, CORPUS CHRISTI, TX 78463-0065
PO BOX 30066, CORPUS CHRISTI, TX 78463-0066
PO BOX 30067, CORPUS CHRISTI, TX 78463-0067
PO BOX 30068, CORPUS CHRISTI, TX 78463-0068
PO BOX 30069, CORPUS CHRISTI, TX 78463-0069
PO BOX 30070, CORPUS CHRISTI, TX 78463-0070
PO BOX 30071, CORPUS CHRISTI, TX 78463-0071
PO BOX 30072, CORPUS CHRISTI, TX 78463-0072
PO BOX 30073, CORPUS CHRISTI, TX 78463-0073
PO BOX 30074, CORPUS CHRISTI, TX 78463-0074
PO BOX 30075, CORPUS CHRISTI, TX 78463-0075
PO BOX 30076, CORPUS CHRISTI, TX 78463-0076
PO BOX 30077, CORPUS CHRISTI, TX 78463-0077
PO BOX 30078, CORPUS CHRISTI, TX 78463-0078
PO BOX 30079, CORPUS CHRISTI, TX 78463-0079
PO BOX 30080, CORPUS CHRISTI, TX 78463-0080
PO BOX 30081, CORPUS CHRISTI, TX 78463-0081
PO BOX 30082, CORPUS CHRISTI, TX 78463-0082
PO BOX 30083, CORPUS CHRISTI, TX 78463-0083
PO BOX 30084, CORPUS CHRISTI, TX 78463-0084
PO BOX 30085, CORPUS CHRISTI, TX 78463-0085
PO BOX 30086, CORPUS CHRISTI, TX 78463-0086
PO BOX 30087, CORPUS CHRISTI, TX 78463-0087
PO BOX 30088, CORPUS CHRISTI, TX 78463-0088
PO BOX 30089, CORPUS CHRISTI, TX 78463-0089
PO BOX 30090, CORPUS CHRISTI, TX 78463-0090
PO BOX 30091, CORPUS CHRISTI, TX 78463-0091
PO BOX 30092, CORPUS CHRISTI, TX 78463-0092
PO BOX 30093, CORPUS CHRISTI, TX 78463-0093
PO BOX 30094, CORPUS CHRISTI, TX 78463-0094
PO BOX 30095, CORPUS CHRISTI, TX 78463-0095
PO BOX 30096, CORPUS CHRISTI, TX 78463-0096
PO BOX 30097, CORPUS CHRISTI, TX 78463-0097
PO BOX 30098, CORPUS CHRISTI, TX 78463-0098
PO BOX 30099, CORPUS CHRISTI, TX 78463-0099
PO BOX 30100, CORPUS CHRISTI, TX 78463-0100
PO BOX 30101, CORPUS CHRISTI, TX 78463-0101
PO BOX 30102, CORPUS CHRISTI, TX 78463-0102
PO BOX 30103, CORPUS CHRISTI, TX 78463-0103
PO BOX 30104, CORPUS CHRISTI, TX 78463-0104
PO BOX 30105, CORPUS CHRISTI, TX 78463-0105
PO BOX 30106, CORPUS CHRISTI, TX 78463-0106
PO BOX 30107, CORPUS CHRISTI, TX 78463-0107
PO BOX 30108, CORPUS CHRISTI, TX 78463-0108
PO BOX 30109, CORPUS CHRISTI, TX 78463-0109
PO BOX 30110, CORPUS CHRISTI, TX 78463-0110
PO BOX 30111, CORPUS CHRISTI, TX 78463-0111
PO BOX 30112, CORPUS CHRISTI, TX 78463-0112
PO BOX 30113, CORPUS CHRISTI, TX 78463-0113
PO BOX 30114, CORPUS CHRISTI, TX 78463-0114
PO BOX 30115, CORPUS CHRISTI, TX 78463-0115
PO BOX 30116, CORPUS CHRISTI, TX 78463-0116
PO BOX 30117, CORPUS CHRISTI, TX 78463-0117
PO BOX 30118, CORPUS CHRISTI, TX 78463-0118
PO BOX 30119, CORPUS CHRISTI, TX 78463-0119
PO BOX 30120, CORPUS CHRISTI, TX 78463-0120
PO BOX 30121, CORPUS CHRISTI, TX 78463-0121
PO BOX 30122, CORPUS CHRISTI, TX 78463-0122
PO BOX 30123, CORPUS CHRISTI, TX 78463-0123
PO BOX 30124, CORPUS CHRISTI, TX 78463-0124
PO BOX 30125, CORPUS CHRISTI, TX 78463-0125
PO BOX 30126, CORPUS CHRISTI, TX 78463-0126
PO BOX 30127, CORPUS CHRISTI, TX 78463-0127
PO BOX 30128, CORPUS CHRISTI, TX 78463-0128
PO BOX 30129, CORPUS CHRISTI, TX 78463-0129
PO BOX 30130, CORPUS CHRISTI, TX 78463-0130
PO BOX 30131, CORPUS CHRISTI, TX 78463-0131
PO BOX 30132, CORPUS CHRISTI, TX 78463-0132
PO BOX 30133, CORPUS CHRISTI, TX 78463-0133
PO BOX 30134, CORPUS CHRISTI, TX 78463-0134
PO BOX 30135, CORPUS CHRISTI, TX 78463-0135
PO BOX 30136, CORPUS CHRISTI, TX 78463-0136
PO BOX 30137, CORPUS CHRISTI, TX 78463-0137
PO BOX 30138, CORPUS CHRISTI, TX 78463-0138
PO BOX 30139, CORPUS CHRISTI, TX 78463-0139
PO BOX 30140, CORPUS CHRISTI, TX 78463-0140
PO BOX 30141, CORPUS CHRISTI, TX 78463-0141
PO BOX 30142, CORPUS CHRISTI, TX 78463-0142
PO BOX 30143, CORPUS CHRISTI, TX 78463-0143
PO BOX 30144, CORPUS CHRISTI, TX 78463-0144
PO BOX 30145, CORPUS CHRISTI, TX 78463-0145
PO BOX 30146, CORPUS CHRISTI, TX 78463-0146
PO BOX 30147, CORPUS CHRISTI, TX 78463-0147
PO BOX 30148, CORPUS CHRISTI, TX 78463-0148
PO BOX 30149, CORPUS CHRISTI, TX 78463-0149
PO BOX 30150, CORPUS CHRISTI, TX 78463-0150
PO BOX 30151, CORPUS CHRISTI, TX 78463-0151
PO BOX 30152, CORPUS CHRISTI, TX 78463-0152
PO BOX 30153, CORPUS CHRISTI, TX 78463-0153
PO BOX 30154, CORPUS CHRISTI, TX 78463-0154
PO BOX 30155, CORPUS CHRISTI, TX 78463-0155
PO BOX 30156, CORPUS CHRISTI, TX 78463-0156
PO BOX 30157, CORPUS CHRISTI, TX 78463-0157
PO BOX 30158, CORPUS CHRISTI, TX 78463-0158
PO BOX 30159, CORPUS CHRISTI, TX 78463-0159
PO BOX 30160, CORPUS CHRISTI, TX 78463-0160
PO BOX 30161, CORPUS CHRISTI, TX 78463-0161
PO BOX 30162, CORPUS CHRISTI, TX 78463-0162
PO BOX 30163, CORPUS CHRISTI, TX 78463-0163
PO BOX 30164, CORPUS CHRISTI, TX 78463-0164
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