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 1141, OLD FORT, NC 28762-1141
PO BOX 1142, OLD FORT, NC 28762-1142
PO BOX 1143, OLD FORT, NC 28762-1143
PO BOX 1144, OLD FORT, NC 28762-1144
PO BOX 1145, OLD FORT, NC 28762-1145
PO BOX 1146, OLD FORT, NC 28762-1146
PO BOX 1147, OLD FORT, NC 28762-1147
PO BOX 1148, OLD FORT, NC 28762-1148
PO BOX 1149, OLD FORT, NC 28762-1149
PO BOX 1150, OLD FORT, NC 28762-1150
PO BOX 1151, OLD FORT, NC 28762-1151
PO BOX 1152, OLD FORT, NC 28762-1152
PO BOX 1153, OLD FORT, NC 28762-1153
PO BOX 1154, OLD FORT, NC 28762-1154
PO BOX 1155, OLD FORT, NC 28762-1155
PO BOX 1156, OLD FORT, NC 28762-1156
PO BOX 1157, OLD FORT, NC 28762-1157
PO BOX 1158, OLD FORT, NC 28762-1158
PO BOX 1159, OLD FORT, NC 28762-1159
PO BOX 1160, OLD FORT, NC 28762-1160
PO BOX 1161, OLD FORT, NC 28762-1161
PO BOX 1162, OLD FORT, NC 28762-1162
PO BOX 1163, OLD FORT, NC 28762-1163
PO BOX 1164, OLD FORT, NC 28762-1164
PO BOX 1165, OLD FORT, NC 28762-1165
PO BOX 1166, OLD FORT, NC 28762-1166
PO BOX 1167, OLD FORT, NC 28762-1167
PO BOX 1168, OLD FORT, NC 28762-1168
PO BOX 1169, OLD FORT, NC 28762-1169
PO BOX 1170, OLD FORT, NC 28762-1170
PO BOX 1171, OLD FORT, NC 28762-1171
PO BOX 1172, OLD FORT, NC 28762-1172
PO BOX 1173, OLD FORT, NC 28762-1173
PO BOX 1174, OLD FORT, NC 28762-1174
PO BOX 1175, OLD FORT, NC 28762-1175
PO BOX 1176, OLD FORT, NC 28762-1176
PO BOX 1177, OLD FORT, NC 28762-1177
PO BOX 1178, OLD FORT, NC 28762-1178
PO BOX 1179, OLD FORT, NC 28762-1179
PO BOX 1180, OLD FORT, NC 28762-1180
PO BOX 1181, OLD FORT, NC 28762-1181
PO BOX 1182, OLD FORT, NC 28762-1182
PO BOX 1183, OLD FORT, NC 28762-1183
PO BOX 1184, OLD FORT, NC 28762-1184
PO BOX 1185, OLD FORT, NC 28762-1185
PO BOX 1186, OLD FORT, NC 28762-1186
PO BOX 1187, OLD FORT, NC 28762-1187
PO BOX 1188, OLD FORT, NC 28762-1188
PO BOX 1189, OLD FORT, NC 28762-1189
PO BOX 1190, OLD FORT, NC 28762-1190
PO BOX 1191, OLD FORT, NC 28762-1191
PO BOX 1192, OLD FORT, NC 28762-1192
PO BOX 1193, OLD FORT, NC 28762-1193
PO BOX 1194, OLD FORT, NC 28762-1194
PO BOX 1195, OLD FORT, NC 28762-1195
PO BOX 1196, OLD FORT, NC 28762-1196
PO BOX 1197, OLD FORT, NC 28762-1197
PO BOX 1198, OLD FORT, NC 28762-1198
PO BOX 1199, OLD FORT, NC 28762-1199
PO BOX 1200, OLD FORT, NC 28762-1200
PO BOX 1201, OLD FORT, NC 28762-1201
PO BOX 1202, OLD FORT, NC 28762-1202
PO BOX 1203, OLD FORT, NC 28762-1203
PO BOX 1204, OLD FORT, NC 28762-1204
PO BOX 1205, OLD FORT, NC 28762-1205
PO BOX 1206, OLD FORT, NC 28762-1206
PO BOX 1207, OLD FORT, NC 28762-1207
PO BOX 1208, OLD FORT, NC 28762-1208
PO BOX 1209, OLD FORT, NC 28762-1209
PO BOX 1210, OLD FORT, NC 28762-1210
PO BOX 1211, OLD FORT, NC 28762-1211
PO BOX 1212, OLD FORT, NC 28762-1212
PO BOX 1213, OLD FORT, NC 28762-1213
PO BOX 1214, OLD FORT, NC 28762-1214
PO BOX 1215, OLD FORT, NC 28762-1215
PO BOX 1216, OLD FORT, NC 28762-1216
PO BOX 1217, OLD FORT, NC 28762-1217
PO BOX 1218, OLD FORT, NC 28762-1218
PO BOX 1219, OLD FORT, NC 28762-1219
PO BOX 1220, OLD FORT, NC 28762-1220
PO BOX 1221, OLD FORT, NC 28762-1221
PO BOX 1222, OLD FORT, NC 28762-1222
PO BOX 1223, OLD FORT, NC 28762-1223
PO BOX 1224, OLD FORT, NC 28762-1224
PO BOX 1225, OLD FORT, NC 28762-1225
PO BOX 1226, OLD FORT, NC 28762-1226
PO BOX 1227, OLD FORT, NC 28762-1227
PO BOX 1228, OLD FORT, NC 28762-1228
PO BOX 1229, OLD FORT, NC 28762-1229
PO BOX 1230, OLD FORT, NC 28762-1230
PO BOX 1231, OLD FORT, NC 28762-1231
PO BOX 1232, OLD FORT, NC 28762-1232
PO BOX 1233, OLD FORT, NC 28762-1233
PO BOX 1234, OLD FORT, NC 28762-1234
PO BOX 1235, OLD FORT, NC 28762-1235
PO BOX 1236, OLD FORT, NC 28762-1236
PO BOX 1237, OLD FORT, NC 28762-1237
PO BOX 1238, OLD FORT, NC 28762-1238
PO BOX 1239, OLD FORT, NC 28762-1239
PO BOX 1240, OLD FORT, NC 28762-1240
PO BOX 1241, OLD FORT, NC 28762-1241
PO BOX 1242, OLD FORT, NC 28762-1242
PO BOX 1243, OLD FORT, NC 28762-1243
PO BOX 1244, OLD FORT, NC 28762-1244
PO BOX 1245, OLD FORT, NC 28762-1245
PO BOX 1246, OLD FORT, NC 28762-1246
PO BOX 1247, OLD FORT, NC 28762-1247
PO BOX 1248, OLD FORT, NC 28762-1248
PO BOX 1249, OLD FORT, NC 28762-1249
PO BOX 1250, OLD FORT, NC 28762-1250
PO BOX 1251, OLD FORT, NC 28762-1251
PO BOX 1252, OLD FORT, NC 28762-1252
PO BOX 1253, OLD FORT, NC 28762-1253
PO BOX 1254, OLD FORT, NC 28762-1254
PO BOX 1255, OLD FORT, NC 28762-1255
PO BOX 1256, OLD FORT, NC 28762-1256
PO BOX 1257, OLD FORT, NC 28762-1257
PO BOX 1258, OLD FORT, NC 28762-1258
PO BOX 1259, OLD FORT, NC 28762-1259
PO BOX 1260, OLD FORT, NC 28762-1260
PO BOX 1261, OLD FORT, NC 28762-1261
PO BOX 1262, OLD FORT, NC 28762-1262
PO BOX 1263, OLD FORT, NC 28762-1263
PO BOX 1264, OLD FORT, NC 28762-1264
PO BOX 1265, OLD FORT, NC 28762-1265
PO BOX 1266, OLD FORT, NC 28762-1266
PO BOX 1267, OLD FORT, NC 28762-1267
PO BOX 1268, OLD FORT, NC 28762-1268
PO BOX 1269, OLD FORT, NC 28762-1269
PO BOX 1270, OLD FORT, NC 28762-1270
PO BOX 1271, OLD FORT, NC 28762-1271
PO BOX 1272, OLD FORT, NC 28762-1272
PO BOX 1273, OLD FORT, NC 28762-1273
PO BOX 1274, OLD FORT, NC 28762-1274
PO BOX 1275, OLD FORT, NC 28762-1275
PO BOX 1276, OLD FORT, NC 28762-1276
PO BOX 1277, OLD FORT, NC 28762-1277
PO BOX 1278, OLD FORT, NC 28762-1278
PO BOX 1279, OLD FORT, NC 28762-1279
PO BOX 1280, OLD FORT, NC 28762-1280
PO BOX 1281, OLD FORT, NC 28762-1281
PO BOX 1282, OLD FORT, NC 28762-1282
PO BOX 1283, OLD FORT, NC 28762-1283
PO BOX 1284, OLD FORT, NC 28762-1284
PO BOX 1285, OLD FORT, NC 28762-1285
PO BOX 1286, OLD FORT, NC 28762-1286
PO BOX 1287, OLD FORT, NC 28762-1287
PO BOX 1288, OLD FORT, NC 28762-1288
PO BOX 1289, OLD FORT, NC 28762-1289
PO BOX 1290, OLD FORT, NC 28762-1290
PO BOX 1291, OLD FORT, NC 28762-1291
PO BOX 1292, OLD FORT, NC 28762-1292
PO BOX 1293, OLD FORT, NC 28762-1293
PO BOX 1294, OLD FORT, NC 28762-1294
PO BOX 1295, OLD FORT, NC 28762-1295
PO BOX 1296, OLD FORT, NC 28762-1296
PO BOX 1297, OLD FORT, NC 28762-1297
PO BOX 1298, OLD FORT, NC 28762-1298
PO BOX 1299, OLD FORT, NC 28762-1299
PO BOX 1300, OLD FORT, NC 28762-1300
PO BOX 1301, OLD FORT, NC 28762-1301
PO BOX 1302, OLD FORT, NC 28762-1302
PO BOX 1303, OLD FORT, NC 28762-1303
PO BOX 1304, OLD FORT, NC 28762-1304
PO BOX 1305, OLD FORT, NC 28762-1305
PO BOX 1306, OLD FORT, NC 28762-1306
PO BOX 1307, OLD FORT, NC 28762-1307
PO BOX 1308, OLD FORT, NC 28762-1308
PO BOX 1309, OLD FORT, NC 28762-1309
PO BOX 1310, OLD FORT, NC 28762-1310
PO BOX 1311, OLD FORT, NC 28762-1311
PO BOX 1312, OLD FORT, NC 28762-1312
PO BOX 1313, OLD FORT, NC 28762-1313
PO BOX 1314, OLD FORT, NC 28762-1314
PO BOX 1315, OLD FORT, NC 28762-1315
PO BOX 1316, OLD FORT, NC 28762-1316
PO BOX 1317, OLD FORT, NC 28762-1317
PO BOX 1318, OLD FORT, NC 28762-1318
PO BOX 1319, OLD FORT, NC 28762-1319
PO BOX 1320, OLD FORT, NC 28762-1320
PO BOX 1321, OLD FORT, NC 28762-1321
PO BOX 1322, OLD FORT, NC 28762-1322
PO BOX 1323, OLD FORT, NC 28762-1323
PO BOX 1324, OLD FORT, NC 28762-1324
PO BOX 1325, OLD FORT, NC 28762-1325
PO BOX 1326, OLD FORT, NC 28762-1326
PO BOX 1327, OLD FORT, NC 28762-1327
PO BOX 1328, OLD FORT, NC 28762-1328
PO BOX 1329, OLD FORT, NC 28762-1329
PO BOX 1330, OLD FORT, NC 28762-1330
PO BOX 1331, OLD FORT, NC 28762-1331
PO BOX 1332, OLD FORT, NC 28762-1332
PO BOX 1333, OLD FORT, NC 28762-1333
PO BOX 1334, OLD FORT, NC 28762-1334
PO BOX 1335, OLD FORT, NC 28762-1335
PO BOX 1336, OLD FORT, NC 28762-1336
PO BOX 1337, OLD FORT, NC 28762-1337
PO BOX 1338, OLD FORT, NC 28762-1338
PO BOX 1339, OLD FORT, NC 28762-1339
PO BOX 1340, OLD FORT, NC 28762-1340
PO BOX 1341, OLD FORT, NC 28762-1341
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