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 9001, STOCKTON, CA 95208-1001
PO BOX 9002, STOCKTON, CA 95208-1002
PO BOX 9003, STOCKTON, CA 95208-1003
PO BOX 9004, STOCKTON, CA 95208-1004
PO BOX 9005, STOCKTON, CA 95208-1005
PO BOX 9006, STOCKTON, CA 95208-1006
PO BOX 9007, STOCKTON, CA 95208-1007
PO BOX 9008, STOCKTON, CA 95208-1008
PO BOX 9009, STOCKTON, CA 95208-1009
PO BOX 9010, STOCKTON, CA 95208-1010
PO BOX 9011, STOCKTON, CA 95208-1011
PO BOX 9012, STOCKTON, CA 95208-1012
PO BOX 9013, STOCKTON, CA 95208-1013
PO BOX 9014, STOCKTON, CA 95208-1014
PO BOX 9015, STOCKTON, CA 95208-1015
PO BOX 9016, STOCKTON, CA 95208-1016
PO BOX 9017, STOCKTON, CA 95208-1017
PO BOX 9018, STOCKTON, CA 95208-1018
PO BOX 9019, STOCKTON, CA 95208-1019
PO BOX 9020, STOCKTON, CA 95208-1020
PO BOX 9021, STOCKTON, CA 95208-1021
PO BOX 9022, STOCKTON, CA 95208-1022
PO BOX 9023, STOCKTON, CA 95208-1023
PO BOX 9024, STOCKTON, CA 95208-1024
PO BOX 9025, STOCKTON, CA 95208-1025
PO BOX 9026, STOCKTON, CA 95208-1026
PO BOX 9027, STOCKTON, CA 95208-1027
PO BOX 9028, STOCKTON, CA 95208-1028
PO BOX 9029, STOCKTON, CA 95208-1029
PO BOX 9030, STOCKTON, CA 95208-1030
PO BOX 9031, STOCKTON, CA 95208-1031
PO BOX 9032, STOCKTON, CA 95208-1032
PO BOX 9033, STOCKTON, CA 95208-1033
PO BOX 9034, STOCKTON, CA 95208-1034
PO BOX 9035, STOCKTON, CA 95208-1035
PO BOX 9036, STOCKTON, CA 95208-1036
PO BOX 9037, STOCKTON, CA 95208-1037
PO BOX 9038, STOCKTON, CA 95208-1038
PO BOX 9039, STOCKTON, CA 95208-1039
PO BOX 9040, STOCKTON, CA 95208-1040
PO BOX 9041, STOCKTON, CA 95208-1041
PO BOX 9042, STOCKTON, CA 95208-1042
PO BOX 9043, STOCKTON, CA 95208-1043
PO BOX 9044, STOCKTON, CA 95208-1044
PO BOX 9045, STOCKTON, CA 95208-1045
PO BOX 9046, STOCKTON, CA 95208-1046
PO BOX 9047, STOCKTON, CA 95208-1047
PO BOX 9048, STOCKTON, CA 95208-1048
PO BOX 9049, STOCKTON, CA 95208-1049
PO BOX 9050, STOCKTON, CA 95208-1050
PO BOX 9051, STOCKTON, CA 95208-1051
PO BOX 9052, STOCKTON, CA 95208-1052
PO BOX 9053, STOCKTON, CA 95208-1053
PO BOX 9054, STOCKTON, CA 95208-1054
PO BOX 9055, STOCKTON, CA 95208-1055
PO BOX 9056, STOCKTON, CA 95208-1056
PO BOX 9057, STOCKTON, CA 95208-1057
PO BOX 9058, STOCKTON, CA 95208-1058
PO BOX 9059, STOCKTON, CA 95208-1059
PO BOX 9060, STOCKTON, CA 95208-1060
PO BOX 9061, STOCKTON, CA 95208-1061
PO BOX 9062, STOCKTON, CA 95208-1062
PO BOX 9063, STOCKTON, CA 95208-1063
PO BOX 9064, STOCKTON, CA 95208-1064
PO BOX 9065, STOCKTON, CA 95208-1065
PO BOX 9066, STOCKTON, CA 95208-1066
PO BOX 9067, STOCKTON, CA 95208-1067
PO BOX 9068, STOCKTON, CA 95208-1068
PO BOX 9069, STOCKTON, CA 95208-1069
PO BOX 9070, STOCKTON, CA 95208-1070
PO BOX 9071, STOCKTON, CA 95208-1071
PO BOX 9072, STOCKTON, CA 95208-1072
PO BOX 9073, STOCKTON, CA 95208-1073
PO BOX 9074, STOCKTON, CA 95208-1074
PO BOX 9075, STOCKTON, CA 95208-1075
PO BOX 9076, STOCKTON, CA 95208-1076
PO BOX 9077, STOCKTON, CA 95208-1077
PO BOX 9078, STOCKTON, CA 95208-1078
PO BOX 9079, STOCKTON, CA 95208-1079
PO BOX 9080, STOCKTON, CA 95208-1080
PO BOX 9081, STOCKTON, CA 95208-1081
PO BOX 9082, STOCKTON, CA 95208-1082
PO BOX 9083, STOCKTON, CA 95208-1083
PO BOX 9084, STOCKTON, CA 95208-1084
PO BOX 9085, STOCKTON, CA 95208-1085
PO BOX 9086, STOCKTON, CA 95208-1086
PO BOX 9087, STOCKTON, CA 95208-1087
PO BOX 9088, STOCKTON, CA 95208-1088
PO BOX 9089, STOCKTON, CA 95208-1089
PO BOX 9090, STOCKTON, CA 95208-1090
PO BOX 9091, STOCKTON, CA 95208-1091
PO BOX 9092, STOCKTON, CA 95208-1092
PO BOX 9093, STOCKTON, CA 95208-1093
PO BOX 9094, STOCKTON, CA 95208-1094
PO BOX 9095, STOCKTON, CA 95208-1095
PO BOX 9096, STOCKTON, CA 95208-1096
PO BOX 9097, STOCKTON, CA 95208-1097
PO BOX 9098, STOCKTON, CA 95208-1098
PO BOX 9099, STOCKTON, CA 95208-1099
PO BOX 9100, STOCKTON, CA 95208-1100
PO BOX 9101, STOCKTON, CA 95208-1101
PO BOX 9102, STOCKTON, CA 95208-1102
PO BOX 9103, STOCKTON, CA 95208-1103
PO BOX 9104, STOCKTON, CA 95208-1104
PO BOX 9105, STOCKTON, CA 95208-1105
PO BOX 9106, STOCKTON, CA 95208-1106
PO BOX 9107, STOCKTON, CA 95208-1107
PO BOX 9108, STOCKTON, CA 95208-1108
PO BOX 9109, STOCKTON, CA 95208-1109
PO BOX 9110, STOCKTON, CA 95208-1110
PO BOX 9111, STOCKTON, CA 95208-1111
PO BOX 9112, STOCKTON, CA 95208-1112
PO BOX 9113, STOCKTON, CA 95208-1113
PO BOX 9114, STOCKTON, CA 95208-1114
PO BOX 9115, STOCKTON, CA 95208-1115
PO BOX 9116, STOCKTON, CA 95208-1116
PO BOX 9117, STOCKTON, CA 95208-1117
PO BOX 9118, STOCKTON, CA 95208-1118
PO BOX 9119, STOCKTON, CA 95208-1119
PO BOX 9120, STOCKTON, CA 95208-1120
PO BOX 9121, STOCKTON, CA 95208-1121
PO BOX 9122, STOCKTON, CA 95208-1122
PO BOX 9123, STOCKTON, CA 95208-1123
PO BOX 9124, STOCKTON, CA 95208-1124
PO BOX 9125, STOCKTON, CA 95208-1125
PO BOX 9126, STOCKTON, CA 95208-1126
PO BOX 9127, STOCKTON, CA 95208-1127
PO BOX 9128, STOCKTON, CA 95208-1128
PO BOX 9129, STOCKTON, CA 95208-1129
PO BOX 9130, STOCKTON, CA 95208-1130
PO BOX 9131, STOCKTON, CA 95208-1131
PO BOX 9132, STOCKTON, CA 95208-1132
PO BOX 9133, STOCKTON, CA 95208-1133
PO BOX 9134, STOCKTON, CA 95208-1134
PO BOX 9135, STOCKTON, CA 95208-1135
PO BOX 9136, STOCKTON, CA 95208-1136
PO BOX 9137, STOCKTON, CA 95208-1137
PO BOX 9138, STOCKTON, CA 95208-1138
PO BOX 9139, STOCKTON, CA 95208-1139
PO BOX 9140, STOCKTON, CA 95208-1140
PO BOX 9141, STOCKTON, CA 95208-1141
PO BOX 9142, STOCKTON, CA 95208-1142
PO BOX 9143, STOCKTON, CA 95208-1143
PO BOX 9144, STOCKTON, CA 95208-1144
PO BOX 9145, STOCKTON, CA 95208-1145
PO BOX 9146, STOCKTON, CA 95208-1146
PO BOX 9147, STOCKTON, CA 95208-1147
PO BOX 9148, STOCKTON, CA 95208-1148
PO BOX 9149, STOCKTON, CA 95208-1149
PO BOX 9150, STOCKTON, CA 95208-1150
PO BOX 9151, STOCKTON, CA 95208-1151
PO BOX 9152, STOCKTON, CA 95208-1152
PO BOX 9153, STOCKTON, CA 95208-1153
PO BOX 9154, STOCKTON, CA 95208-1154
PO BOX 9155, STOCKTON, CA 95208-1155
PO BOX 9156, STOCKTON, CA 95208-1156
PO BOX 9157, STOCKTON, CA 95208-1157
PO BOX 9158, STOCKTON, CA 95208-1158
PO BOX 9159, STOCKTON, CA 95208-1159
PO BOX 9160, STOCKTON, CA 95208-1160
PO BOX 9161, STOCKTON, CA 95208-1161
PO BOX 9162, STOCKTON, CA 95208-1162
PO BOX 9163, STOCKTON, CA 95208-1163
PO BOX 9164, STOCKTON, CA 95208-1164
PO BOX 9165, STOCKTON, CA 95208-1165
PO BOX 9166, STOCKTON, CA 95208-1166
PO BOX 9167, STOCKTON, CA 95208-1167
PO BOX 9168, STOCKTON, CA 95208-1168
PO BOX 9169, STOCKTON, CA 95208-1169
PO BOX 9170, STOCKTON, CA 95208-1170
PO BOX 9171, STOCKTON, CA 95208-1171
PO BOX 9172, STOCKTON, CA 95208-1172
PO BOX 9173, STOCKTON, CA 95208-1173
PO BOX 9174, STOCKTON, CA 95208-1174
PO BOX 9175, STOCKTON, CA 95208-1175
PO BOX 9176, STOCKTON, CA 95208-1176
PO BOX 9177, STOCKTON, CA 95208-1177
PO BOX 9178, STOCKTON, CA 95208-1178
PO BOX 9179, STOCKTON, CA 95208-1179
PO BOX 9180, STOCKTON, CA 95208-1180
PO BOX 9181, STOCKTON, CA 95208-1181
PO BOX 9182, STOCKTON, CA 95208-1182
PO BOX 9183, STOCKTON, CA 95208-1183
PO BOX 9184, STOCKTON, CA 95208-1184
PO BOX 9185, STOCKTON, CA 95208-1185
PO BOX 9186, STOCKTON, CA 95208-1186
PO BOX 9187, STOCKTON, CA 95208-1187
PO BOX 9188, STOCKTON, CA 95208-1188
PO BOX 9189, STOCKTON, CA 95208-1189
PO BOX 9190, STOCKTON, CA 95208-1190
PO BOX 9191, STOCKTON, CA 95208-1191
PO BOX 9192, STOCKTON, CA 95208-1192
PO BOX 9193, STOCKTON, CA 95208-1193
PO BOX 9194, STOCKTON, CA 95208-1194
PO BOX 9195, STOCKTON, CA 95208-1195
PO BOX 9196, STOCKTON, CA 95208-1196
PO BOX 9197, STOCKTON, CA 95208-1197
PO BOX 9198, STOCKTON, CA 95208-1198
PO BOX 9199, STOCKTON, CA 95208-1199
PO BOX 9200, STOCKTON, CA 95208-1200
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