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 71045, CHARLOTTE, NC 28272-1045
PO BOX 71046, CHARLOTTE, NC 28272-1046
PO BOX 71047, CHARLOTTE, NC 28272-1047
PO BOX 71048, CHARLOTTE, NC 28272-1048
PO BOX 71049, CHARLOTTE, NC 28272-1049
PO BOX 71050, CHARLOTTE, NC 28272-1050
PO BOX 71051, CHARLOTTE, NC 28272-1051
PO BOX 71052, CHARLOTTE, NC 28272-1052
PO BOX 71053, CHARLOTTE, NC 28272-1053
PO BOX 71054, CHARLOTTE, NC 28272-1054
PO BOX 71055, CHARLOTTE, NC 28272-1055
PO BOX 71056, CHARLOTTE, NC 28272-1056
PO BOX 71057, CHARLOTTE, NC 28272-1057
PO BOX 71058, CHARLOTTE, NC 28272-1058
PO BOX 71059, CHARLOTTE, NC 28272-1059
PO BOX 71060, CHARLOTTE, NC 28272-1060
PO BOX 71061, CHARLOTTE, NC 28272-1061
PO BOX 71062, CHARLOTTE, NC 28272-1062
PO BOX 71063, CHARLOTTE, NC 28272-1063
PO BOX 71064, CHARLOTTE, NC 28272-1064
PO BOX 71065, CHARLOTTE, NC 28272-1065
PO BOX 71066, CHARLOTTE, NC 28272-1066
PO BOX 71067, CHARLOTTE, NC 28272-1067
PO BOX 71068, CHARLOTTE, NC 28272-1068
PO BOX 71069, CHARLOTTE, NC 28272-1069
PO BOX 71070, CHARLOTTE, NC 28272-1070
PO BOX 71071, CHARLOTTE, NC 28272-1071
PO BOX 71072, CHARLOTTE, NC 28272-1072
PO BOX 71073, CHARLOTTE, NC 28272-1073
PO BOX 71074, CHARLOTTE, NC 28272-1074
PO BOX 71075, CHARLOTTE, NC 28272-1075
PO BOX 71076, CHARLOTTE, NC 28272-1076
PO BOX 71077, CHARLOTTE, NC 28272-1077
PO BOX 71078, CHARLOTTE, NC 28272-1078
PO BOX 71079, CHARLOTTE, NC 28272-1079
PO BOX 71080, CHARLOTTE, NC 28272-1080
PO BOX 71081, CHARLOTTE, NC 28272-1081
PO BOX 71082, CHARLOTTE, NC 28272-1082
PO BOX 71083, CHARLOTTE, NC 28272-1083
PO BOX 71084, CHARLOTTE, NC 28272-1084
PO BOX 71085, CHARLOTTE, NC 28272-1085
PO BOX 71086, CHARLOTTE, NC 28272-1086
PO BOX 71087, CHARLOTTE, NC 28272-1087
PO BOX 71088, CHARLOTTE, NC 28272-1088
PO BOX 71089, CHARLOTTE, NC 28272-1089
PO BOX 71090, CHARLOTTE, NC 28272-1090
PO BOX 71091, CHARLOTTE, NC 28272-1091
PO BOX 71092, CHARLOTTE, NC 28272-1092
PO BOX 71093, CHARLOTTE, NC 28272-1093
PO BOX 71094, CHARLOTTE, NC 28272-1094
PO BOX 71095, CHARLOTTE, NC 28272-1095
PO BOX 71096, CHARLOTTE, NC 28272-1096
PO BOX 71097, CHARLOTTE, NC 28272-1097
PO BOX 71098, CHARLOTTE, NC 28272-1098
PO BOX 71099, CHARLOTTE, NC 28272-1099
PO BOX 71100, CHARLOTTE, NC 28272-1100
PO BOX 71101, CHARLOTTE, NC 28272-1101
PO BOX 71102, CHARLOTTE, NC 28272-1102
PO BOX 71103, CHARLOTTE, NC 28272-1103
PO BOX 71104, CHARLOTTE, NC 28272-1104
PO BOX 71105, CHARLOTTE, NC 28272-1105
PO BOX 71106, CHARLOTTE, NC 28272-1106
PO BOX 71107, CHARLOTTE, NC 28272-1107
PO BOX 71108, CHARLOTTE, NC 28272-1108
PO BOX 71109, CHARLOTTE, NC 28272-1109
PO BOX 71110, CHARLOTTE, NC 28272-1110
PO BOX 71111, CHARLOTTE, NC 28272-1111
PO BOX 71112, CHARLOTTE, NC 28272-1112
PO BOX 71113, CHARLOTTE, NC 28272-1113
PO BOX 71114, CHARLOTTE, NC 28272-1114
PO BOX 71115, CHARLOTTE, NC 28272-1115
PO BOX 71116, CHARLOTTE, NC 28272-1116
PO BOX 71117, CHARLOTTE, NC 28272-1117
PO BOX 71118, CHARLOTTE, NC 28272-1118
PO BOX 71119, CHARLOTTE, NC 28272-1119
PO BOX 71120, CHARLOTTE, NC 28272-1120
PO BOX 71121, CHARLOTTE, NC 28272-1121
PO BOX 71122, CHARLOTTE, NC 28272-1122
PO BOX 71123, CHARLOTTE, NC 28272-1123
PO BOX 71124, CHARLOTTE, NC 28272-1124
PO BOX 71125, CHARLOTTE, NC 28272-1125
PO BOX 71126, CHARLOTTE, NC 28272-1126
PO BOX 71127, CHARLOTTE, NC 28272-1127
PO BOX 71128, CHARLOTTE, NC 28272-1128
PO BOX 71129, CHARLOTTE, NC 28272-1129
PO BOX 71130, CHARLOTTE, NC 28272-1130
PO BOX 71131, CHARLOTTE, NC 28272-1131
PO BOX 71132, CHARLOTTE, NC 28272-1132
PO BOX 71133, CHARLOTTE, NC 28272-1133
PO BOX 71134, CHARLOTTE, NC 28272-1134
PO BOX 71135, CHARLOTTE, NC 28272-1135
PO BOX 71136, CHARLOTTE, NC 28272-1136
PO BOX 71137, CHARLOTTE, NC 28272-1137
PO BOX 71138, CHARLOTTE, NC 28272-1138
PO BOX 71139, CHARLOTTE, NC 28272-1139
PO BOX 71140, CHARLOTTE, NC 28272-1140
PO BOX 71141, CHARLOTTE, NC 28272-1141
PO BOX 71142, CHARLOTTE, NC 28272-1142
PO BOX 71143, CHARLOTTE, NC 28272-1143
PO BOX 71144, CHARLOTTE, NC 28272-1144
PO BOX 71145, CHARLOTTE, NC 28272-1145
PO BOX 71146, CHARLOTTE, NC 28272-1146
PO BOX 71147, CHARLOTTE, NC 28272-1147
PO BOX 71148, CHARLOTTE, NC 28272-1148
PO BOX 71149, CHARLOTTE, NC 28272-1149
PO BOX 71150, CHARLOTTE, NC 28272-1150
PO BOX 71151, CHARLOTTE, NC 28272-1151
PO BOX 71152, CHARLOTTE, NC 28272-1152
PO BOX 71153, CHARLOTTE, NC 28272-1153
PO BOX 71154, CHARLOTTE, NC 28272-1154
PO BOX 71155, CHARLOTTE, NC 28272-1155
PO BOX 71156, CHARLOTTE, NC 28272-1156
PO BOX 71157, CHARLOTTE, NC 28272-1157
PO BOX 71158, CHARLOTTE, NC 28272-1158
PO BOX 71159, CHARLOTTE, NC 28272-1159
PO BOX 71160, CHARLOTTE, NC 28272-1160
PO BOX 71161, CHARLOTTE, NC 28272-1161
PO BOX 71162, CHARLOTTE, NC 28272-1162
PO BOX 71163, CHARLOTTE, NC 28272-1163
PO BOX 71164, CHARLOTTE, NC 28272-1164
PO BOX 71165, CHARLOTTE, NC 28272-1165
PO BOX 71166, CHARLOTTE, NC 28272-1166
PO BOX 71167, CHARLOTTE, NC 28272-1167
PO BOX 71168, CHARLOTTE, NC 28272-1168
PO BOX 71169, CHARLOTTE, NC 28272-1169
PO BOX 71170, CHARLOTTE, NC 28272-1170
PO BOX 71171, CHARLOTTE, NC 28272-1171
PO BOX 71172, CHARLOTTE, NC 28272-1172
PO BOX 71173, CHARLOTTE, NC 28272-1173
PO BOX 71174, CHARLOTTE, NC 28272-1174
PO BOX 71175, CHARLOTTE, NC 28272-1175
PO BOX 71176, CHARLOTTE, NC 28272-1176
PO BOX 71177, CHARLOTTE, NC 28272-1177
PO BOX 71178, CHARLOTTE, NC 28272-1178
PO BOX 71179, CHARLOTTE, NC 28272-1179
PO BOX 71180, CHARLOTTE, NC 28272-1180
PO BOX 71181, CHARLOTTE, NC 28272-1181
PO BOX 71182, CHARLOTTE, NC 28272-1182
PO BOX 71183, CHARLOTTE, NC 28272-1183
PO BOX 71184, CHARLOTTE, NC 28272-1184
PO BOX 71185, CHARLOTTE, NC 28272-1185
PO BOX 71186, CHARLOTTE, NC 28272-1186
PO BOX 71187, CHARLOTTE, NC 28272-1187
PO BOX 71188, CHARLOTTE, NC 28272-1188
PO BOX 71189, CHARLOTTE, NC 28272-1189
PO BOX 71190, CHARLOTTE, NC 28272-1190
PO BOX 71191, CHARLOTTE, NC 28272-1191
PO BOX 71192, CHARLOTTE, NC 28272-1192
PO BOX 71193, CHARLOTTE, NC 28272-1193
PO BOX 71194, CHARLOTTE, NC 28272-1194
PO BOX 71195, CHARLOTTE, NC 28272-1195
PO BOX 71196, CHARLOTTE, NC 28272-1196
PO BOX 71197, CHARLOTTE, NC 28272-1197
PO BOX 71198, CHARLOTTE, NC 28272-1198
PO BOX 71199, CHARLOTTE, NC 28272-1199
PO BOX 71200, CHARLOTTE, NC 28272-1200
PO BOX 71201, CHARLOTTE, NC 28272-1201
PO BOX 71202, CHARLOTTE, NC 28272-1202
PO BOX 71203, CHARLOTTE, NC 28272-1203
PO BOX 71204, CHARLOTTE, NC 28272-1204
PO BOX 71205, CHARLOTTE, NC 28272-1205
PO BOX 71206, CHARLOTTE, NC 28272-1206
PO BOX 71207, CHARLOTTE, NC 28272-1207
PO BOX 71208, CHARLOTTE, NC 28272-1208
PO BOX 71209, CHARLOTTE, NC 28272-1209
PO BOX 71210, CHARLOTTE, NC 28272-1210
PO BOX 71211, CHARLOTTE, NC 28272-1211
PO BOX 71212, CHARLOTTE, NC 28272-1212
PO BOX 71213, CHARLOTTE, NC 28272-1213
PO BOX 71214, CHARLOTTE, NC 28272-1214
PO BOX 71215, CHARLOTTE, NC 28272-1215
PO BOX 71216, CHARLOTTE, NC 28272-1216
PO BOX 71217, CHARLOTTE, NC 28272-1217
PO BOX 71218, CHARLOTTE, NC 28272-1218
PO BOX 71219, CHARLOTTE, NC 28272-1219
PO BOX 71220, CHARLOTTE, NC 28272-1220
PO BOX 71221, CHARLOTTE, NC 28272-1221
PO BOX 71222, CHARLOTTE, NC 28272-1222
PO BOX 71223, CHARLOTTE, NC 28272-1223
PO BOX 71224, CHARLOTTE, NC 28272-1224
PO BOX 71225, CHARLOTTE, NC 28272-1225
PO BOX 71226, CHARLOTTE, NC 28272-1226
PO BOX 71227, CHARLOTTE, NC 28272-1227
PO BOX 71228, CHARLOTTE, NC 28272-1228
PO BOX 71229, CHARLOTTE, NC 28272-1229
PO BOX 71230, CHARLOTTE, NC 28272-1230
PO BOX 71231, CHARLOTTE, NC 28272-1231
PO BOX 71232, CHARLOTTE, NC 28272-1232
PO BOX 71233, CHARLOTTE, NC 28272-1233
PO BOX 71234, CHARLOTTE, NC 28272-1234
PO BOX 71235, CHARLOTTE, NC 28272-1235
PO BOX 71236, CHARLOTTE, NC 28272-1236
PO BOX 71237, CHARLOTTE, NC 28272-1237
PO BOX 71238, CHARLOTTE, NC 28272-1238
PO BOX 71239, CHARLOTTE, NC 28272-1239
PO BOX 71240, CHARLOTTE, NC 28272-1240
PO BOX 71241, CHARLOTTE, NC 28272-1241
PO BOX 71242, CHARLOTTE, NC 28272-1242
PO BOX 71243, CHARLOTTE, NC 28272-1243
PO BOX 71244, CHARLOTTE, NC 28272-1244
PO BOX 71245, CHARLOTTE, NC 28272-1245
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