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 81000, CORPUS CHRISTI, TX 78468-1000
PO BOX 81001, CORPUS CHRISTI, TX 78468-1001
PO BOX 81002, CORPUS CHRISTI, TX 78468-1002
PO BOX 81003, CORPUS CHRISTI, TX 78468-1003
PO BOX 81004, CORPUS CHRISTI, TX 78468-1004
PO BOX 81005, CORPUS CHRISTI, TX 78468-1005
PO BOX 81006, CORPUS CHRISTI, TX 78468-1006
PO BOX 81007, CORPUS CHRISTI, TX 78468-1007
PO BOX 81008, CORPUS CHRISTI, TX 78468-1008
PO BOX 81009, CORPUS CHRISTI, TX 78468-1009
PO BOX 81010, CORPUS CHRISTI, TX 78468-1010
PO BOX 81011, CORPUS CHRISTI, TX 78468-1011
PO BOX 81012, CORPUS CHRISTI, TX 78468-1012
PO BOX 81013, CORPUS CHRISTI, TX 78468-1013
PO BOX 81014, CORPUS CHRISTI, TX 78468-1014
PO BOX 81015, CORPUS CHRISTI, TX 78468-1015
PO BOX 81016, CORPUS CHRISTI, TX 78468-1016
PO BOX 81017, CORPUS CHRISTI, TX 78468-1017
PO BOX 81018, CORPUS CHRISTI, TX 78468-1018
PO BOX 81019, CORPUS CHRISTI, TX 78468-1019
PO BOX 81020, CORPUS CHRISTI, TX 78468-1020
PO BOX 81021, CORPUS CHRISTI, TX 78468-1021
PO BOX 81022, CORPUS CHRISTI, TX 78468-1022
PO BOX 81023, CORPUS CHRISTI, TX 78468-1023
PO BOX 81024, CORPUS CHRISTI, TX 78468-1024
PO BOX 81025, CORPUS CHRISTI, TX 78468-1025
PO BOX 81026, CORPUS CHRISTI, TX 78468-1026
PO BOX 81027, CORPUS CHRISTI, TX 78468-1027
PO BOX 81028, CORPUS CHRISTI, TX 78468-1028
PO BOX 81029, CORPUS CHRISTI, TX 78468-1029
PO BOX 81030, CORPUS CHRISTI, TX 78468-1030
PO BOX 81031, CORPUS CHRISTI, TX 78468-1031
PO BOX 81032, CORPUS CHRISTI, TX 78468-1032
PO BOX 81033, CORPUS CHRISTI, TX 78468-1033
PO BOX 81034, CORPUS CHRISTI, TX 78468-1034
PO BOX 81035, CORPUS CHRISTI, TX 78468-1035
PO BOX 81036, CORPUS CHRISTI, TX 78468-1036
PO BOX 81037, CORPUS CHRISTI, TX 78468-1037
PO BOX 81038, CORPUS CHRISTI, TX 78468-1038
PO BOX 81039, CORPUS CHRISTI, TX 78468-1039
PO BOX 81040, CORPUS CHRISTI, TX 78468-1040
PO BOX 81041, CORPUS CHRISTI, TX 78468-1041
PO BOX 81042, CORPUS CHRISTI, TX 78468-1042
PO BOX 81043, CORPUS CHRISTI, TX 78468-1043
PO BOX 81044, CORPUS CHRISTI, TX 78468-1044
PO BOX 81045, CORPUS CHRISTI, TX 78468-1045
PO BOX 81046, CORPUS CHRISTI, TX 78468-1046
PO BOX 81047, CORPUS CHRISTI, TX 78468-1047
PO BOX 81048, CORPUS CHRISTI, TX 78468-1048
PO BOX 81049, CORPUS CHRISTI, TX 78468-1049
PO BOX 81050, CORPUS CHRISTI, TX 78468-1050
PO BOX 81051, CORPUS CHRISTI, TX 78468-1051
PO BOX 81052, CORPUS CHRISTI, TX 78468-1052
PO BOX 81053, CORPUS CHRISTI, TX 78468-1053
PO BOX 81054, CORPUS CHRISTI, TX 78468-1054
PO BOX 81055, CORPUS CHRISTI, TX 78468-1055
PO BOX 81056, CORPUS CHRISTI, TX 78468-1056
PO BOX 81057, CORPUS CHRISTI, TX 78468-1057
PO BOX 81058, CORPUS CHRISTI, TX 78468-1058
PO BOX 81059, CORPUS CHRISTI, TX 78468-1059
PO BOX 81060, CORPUS CHRISTI, TX 78468-1060
PO BOX 81061, CORPUS CHRISTI, TX 78468-1061
PO BOX 81062, CORPUS CHRISTI, TX 78468-1062
PO BOX 81063, CORPUS CHRISTI, TX 78468-1063
PO BOX 81064, CORPUS CHRISTI, TX 78468-1064
PO BOX 81065, CORPUS CHRISTI, TX 78468-1065
PO BOX 81066, CORPUS CHRISTI, TX 78468-1066
PO BOX 81067, CORPUS CHRISTI, TX 78468-1067
PO BOX 81068, CORPUS CHRISTI, TX 78468-1068
PO BOX 81069, CORPUS CHRISTI, TX 78468-1069
PO BOX 81070, CORPUS CHRISTI, TX 78468-1070
PO BOX 81071, CORPUS CHRISTI, TX 78468-1071
PO BOX 81072, CORPUS CHRISTI, TX 78468-1072
PO BOX 81073, CORPUS CHRISTI, TX 78468-1073
PO BOX 81074, CORPUS CHRISTI, TX 78468-1074
PO BOX 81075, CORPUS CHRISTI, TX 78468-1075
PO BOX 81076, CORPUS CHRISTI, TX 78468-1076
PO BOX 81077, CORPUS CHRISTI, TX 78468-1077
PO BOX 81078, CORPUS CHRISTI, TX 78468-1078
PO BOX 81079, CORPUS CHRISTI, TX 78468-1079
PO BOX 81080, CORPUS CHRISTI, TX 78468-1080
PO BOX 81081, CORPUS CHRISTI, TX 78468-1081
PO BOX 81082, CORPUS CHRISTI, TX 78468-1082
PO BOX 81083, CORPUS CHRISTI, TX 78468-1083
PO BOX 81084, CORPUS CHRISTI, TX 78468-1084
PO BOX 81085, CORPUS CHRISTI, TX 78468-1085
PO BOX 81086, CORPUS CHRISTI, TX 78468-1086
PO BOX 81087, CORPUS CHRISTI, TX 78468-1087
PO BOX 81088, CORPUS CHRISTI, TX 78468-1088
PO BOX 81089, CORPUS CHRISTI, TX 78468-1089
PO BOX 81090, CORPUS CHRISTI, TX 78468-1090
PO BOX 81091, CORPUS CHRISTI, TX 78468-1091
PO BOX 81092, CORPUS CHRISTI, TX 78468-1092
PO BOX 81093, CORPUS CHRISTI, TX 78468-1093
PO BOX 81094, CORPUS CHRISTI, TX 78468-1094
PO BOX 81095, CORPUS CHRISTI, TX 78468-1095
PO BOX 81096, CORPUS CHRISTI, TX 78468-1096
PO BOX 81097, CORPUS CHRISTI, TX 78468-1097
PO BOX 81098, CORPUS CHRISTI, TX 78468-1098
PO BOX 81099, CORPUS CHRISTI, TX 78468-1099
PO BOX 81100, CORPUS CHRISTI, TX 78468-1100
PO BOX 81101, CORPUS CHRISTI, TX 78468-1101
PO BOX 81102, CORPUS CHRISTI, TX 78468-1102
PO BOX 81103, CORPUS CHRISTI, TX 78468-1103
PO BOX 81104, CORPUS CHRISTI, TX 78468-1104
PO BOX 81105, CORPUS CHRISTI, TX 78468-1105
PO BOX 81106, CORPUS CHRISTI, TX 78468-1106
PO BOX 81107, CORPUS CHRISTI, TX 78468-1107
PO BOX 81108, CORPUS CHRISTI, TX 78468-1108
PO BOX 81109, CORPUS CHRISTI, TX 78468-1109
PO BOX 81110, CORPUS CHRISTI, TX 78468-1110
PO BOX 81111, CORPUS CHRISTI, TX 78468-1111
PO BOX 81112, CORPUS CHRISTI, TX 78468-1112
PO BOX 81113, CORPUS CHRISTI, TX 78468-1113
PO BOX 81114, CORPUS CHRISTI, TX 78468-1114
PO BOX 81115, CORPUS CHRISTI, TX 78468-1115
PO BOX 81116, CORPUS CHRISTI, TX 78468-1116
PO BOX 81117, CORPUS CHRISTI, TX 78468-1117
PO BOX 81118, CORPUS CHRISTI, TX 78468-1118
PO BOX 81119, CORPUS CHRISTI, TX 78468-1119
PO BOX 81120, CORPUS CHRISTI, TX 78468-1120
PO BOX 81121, CORPUS CHRISTI, TX 78468-1121
PO BOX 81122, CORPUS CHRISTI, TX 78468-1122
PO BOX 81123, CORPUS CHRISTI, TX 78468-1123
PO BOX 81124, CORPUS CHRISTI, TX 78468-1124
PO BOX 81125, CORPUS CHRISTI, TX 78468-1125
PO BOX 81126, CORPUS CHRISTI, TX 78468-1126
PO BOX 81127, CORPUS CHRISTI, TX 78468-1127
PO BOX 81128, CORPUS CHRISTI, TX 78468-1128
PO BOX 81129, CORPUS CHRISTI, TX 78468-1129
PO BOX 81130, CORPUS CHRISTI, TX 78468-1130
PO BOX 81131, CORPUS CHRISTI, TX 78468-1131
PO BOX 81132, CORPUS CHRISTI, TX 78468-1132
PO BOX 81133, CORPUS CHRISTI, TX 78468-1133
PO BOX 81134, CORPUS CHRISTI, TX 78468-1134
PO BOX 81135, CORPUS CHRISTI, TX 78468-1135
PO BOX 81136, CORPUS CHRISTI, TX 78468-1136
PO BOX 81137, CORPUS CHRISTI, TX 78468-1137
PO BOX 81138, CORPUS CHRISTI, TX 78468-1138
PO BOX 81139, CORPUS CHRISTI, TX 78468-1139
PO BOX 81140, CORPUS CHRISTI, TX 78468-1140
PO BOX 81141, CORPUS CHRISTI, TX 78468-1141
PO BOX 81142, CORPUS CHRISTI, TX 78468-1142
PO BOX 81143, CORPUS CHRISTI, TX 78468-1143
PO BOX 81144, CORPUS CHRISTI, TX 78468-1144
PO BOX 81145, CORPUS CHRISTI, TX 78468-1145
PO BOX 81146, CORPUS CHRISTI, TX 78468-1146
PO BOX 81147, CORPUS CHRISTI, TX 78468-1147
PO BOX 81148, CORPUS CHRISTI, TX 78468-1148
PO BOX 81149, CORPUS CHRISTI, TX 78468-1149
PO BOX 81150, CORPUS CHRISTI, TX 78468-1150
PO BOX 81151, CORPUS CHRISTI, TX 78468-1151
PO BOX 81152, CORPUS CHRISTI, TX 78468-1152
PO BOX 81153, CORPUS CHRISTI, TX 78468-1153
PO BOX 81154, CORPUS CHRISTI, TX 78468-1154
PO BOX 81155, CORPUS CHRISTI, TX 78468-1155
PO BOX 81156, CORPUS CHRISTI, TX 78468-1156
PO BOX 81157, CORPUS CHRISTI, TX 78468-1157
PO BOX 81158, CORPUS CHRISTI, TX 78468-1158
PO BOX 81159, CORPUS CHRISTI, TX 78468-1159
PO BOX 81160, CORPUS CHRISTI, TX 78468-1160
PO BOX 81161, CORPUS CHRISTI, TX 78468-1161
PO BOX 81162, CORPUS CHRISTI, TX 78468-1162
PO BOX 81163, CORPUS CHRISTI, TX 78468-1163
PO BOX 81164, CORPUS CHRISTI, TX 78468-1164
PO BOX 81165, CORPUS CHRISTI, TX 78468-1165
PO BOX 81166, CORPUS CHRISTI, TX 78468-1166
PO BOX 81167, CORPUS CHRISTI, TX 78468-1167
PO BOX 81168, CORPUS CHRISTI, TX 78468-1168
PO BOX 81169, CORPUS CHRISTI, TX 78468-1169
PO BOX 81170, CORPUS CHRISTI, TX 78468-1170
PO BOX 81171, CORPUS CHRISTI, TX 78468-1171
PO BOX 81172, CORPUS CHRISTI, TX 78468-1172
PO BOX 81173, CORPUS CHRISTI, TX 78468-1173
PO BOX 81174, CORPUS CHRISTI, TX 78468-1174
PO BOX 81175, CORPUS CHRISTI, TX 78468-1175
PO BOX 81176, CORPUS CHRISTI, TX 78468-1176
PO BOX 81177, CORPUS CHRISTI, TX 78468-1177
PO BOX 81178, CORPUS CHRISTI, TX 78468-1178
PO BOX 81179, CORPUS CHRISTI, TX 78468-1179
PO BOX 81180, CORPUS CHRISTI, TX 78468-1180
PO BOX 81181, CORPUS CHRISTI, TX 78468-1181
PO BOX 81182, CORPUS CHRISTI, TX 78468-1182
PO BOX 81183, CORPUS CHRISTI, TX 78468-1183
PO BOX 81184, CORPUS CHRISTI, TX 78468-1184
PO BOX 81185, CORPUS CHRISTI, TX 78468-1185
PO BOX 81186, CORPUS CHRISTI, TX 78468-1186
PO BOX 81187, CORPUS CHRISTI, TX 78468-1187
PO BOX 81188, CORPUS CHRISTI, TX 78468-1188
PO BOX 81189, CORPUS CHRISTI, TX 78468-1189
PO BOX 81190, CORPUS CHRISTI, TX 78468-1190
PO BOX 81191, CORPUS CHRISTI, TX 78468-1191
PO BOX 81192, CORPUS CHRISTI, TX 78468-1192
PO BOX 81193, CORPUS CHRISTI, TX 78468-1193
PO BOX 81194, CORPUS CHRISTI, TX 78468-1194
PO BOX 81195, CORPUS CHRISTI, TX 78468-1195
PO BOX 81196, CORPUS CHRISTI, TX 78468-1196
PO BOX 81197, CORPUS CHRISTI, TX 78468-1197
PO BOX 81198, CORPUS CHRISTI, TX 78468-1198
PO BOX 81199, CORPUS CHRISTI, TX 78468-1199
PO BOX 81200, CORPUS CHRISTI, TX 78468-1200
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