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 1161, CUSHING, OK 74023-1161
PO BOX 1162, CUSHING, OK 74023-1162
PO BOX 1163, CUSHING, OK 74023-1163
PO BOX 1164, CUSHING, OK 74023-1164
PO BOX 1165, CUSHING, OK 74023-1165
PO BOX 1166, CUSHING, OK 74023-1166
PO BOX 1167, CUSHING, OK 74023-1167
PO BOX 1168, CUSHING, OK 74023-1168
PO BOX 1169, CUSHING, OK 74023-1169
PO BOX 1170, CUSHING, OK 74023-1170
PO BOX 1171, CUSHING, OK 74023-1171
PO BOX 1172, CUSHING, OK 74023-1172
PO BOX 1173, CUSHING, OK 74023-1173
PO BOX 1174, CUSHING, OK 74023-1174
PO BOX 1175, CUSHING, OK 74023-1175
PO BOX 1176, CUSHING, OK 74023-1176
PO BOX 1177, CUSHING, OK 74023-1177
PO BOX 1178, CUSHING, OK 74023-1178
PO BOX 1179, CUSHING, OK 74023-1179
PO BOX 1180, CUSHING, OK 74023-1180
PO BOX 1181, CUSHING, OK 74023-1181
PO BOX 1182, CUSHING, OK 74023-1182
PO BOX 1183, CUSHING, OK 74023-1183
PO BOX 1184, CUSHING, OK 74023-1184
PO BOX 1185, CUSHING, OK 74023-1185
PO BOX 1186, CUSHING, OK 74023-1186
PO BOX 1187, CUSHING, OK 74023-1187
PO BOX 1188, CUSHING, OK 74023-1188
PO BOX 1189, CUSHING, OK 74023-1189
PO BOX 1190, CUSHING, OK 74023-1190
PO BOX 1191, CUSHING, OK 74023-1191
PO BOX 1192, CUSHING, OK 74023-1192
PO BOX 1193, CUSHING, OK 74023-1193
PO BOX 1194, CUSHING, OK 74023-1194
PO BOX 1195, CUSHING, OK 74023-1195
PO BOX 1196, CUSHING, OK 74023-1196
PO BOX 1197, CUSHING, OK 74023-1197
PO BOX 1198, CUSHING, OK 74023-1198
PO BOX 1199, CUSHING, OK 74023-1199
PO BOX 1200, CUSHING, OK 74023-1200
PO BOX 1201, CUSHING, OK 74023-1201
PO BOX 1202, CUSHING, OK 74023-1202
PO BOX 1203, CUSHING, OK 74023-1203
PO BOX 1204, CUSHING, OK 74023-1204
PO BOX 1205, CUSHING, OK 74023-1205
PO BOX 1206, CUSHING, OK 74023-1206
PO BOX 1207, CUSHING, OK 74023-1207
PO BOX 1208, CUSHING, OK 74023-1208
PO BOX 1209, CUSHING, OK 74023-1209
PO BOX 1210, CUSHING, OK 74023-1210
PO BOX 1211, CUSHING, OK 74023-1211
PO BOX 1212, CUSHING, OK 74023-1212
PO BOX 1213, CUSHING, OK 74023-1213
PO BOX 1214, CUSHING, OK 74023-1214
PO BOX 1215, CUSHING, OK 74023-1215
PO BOX 1216, CUSHING, OK 74023-1216
PO BOX 1217, CUSHING, OK 74023-1217
PO BOX 1218, CUSHING, OK 74023-1218
PO BOX 1219, CUSHING, OK 74023-1219
PO BOX 1220, CUSHING, OK 74023-1220
PO BOX 1221, CUSHING, OK 74023-1221
PO BOX 1222, CUSHING, OK 74023-1222
PO BOX 1223, CUSHING, OK 74023-1223
PO BOX 1224, CUSHING, OK 74023-1224
PO BOX 1225, CUSHING, OK 74023-1225
PO BOX 1226, CUSHING, OK 74023-1226
PO BOX 1227, CUSHING, OK 74023-1227
PO BOX 1228, CUSHING, OK 74023-1228
PO BOX 1229, CUSHING, OK 74023-1229
PO BOX 1230, CUSHING, OK 74023-1230
PO BOX 1231, CUSHING, OK 74023-1231
PO BOX 1232, CUSHING, OK 74023-1232
PO BOX 1233, CUSHING, OK 74023-1233
PO BOX 1234, CUSHING, OK 74023-1234
PO BOX 1235, CUSHING, OK 74023-1235
PO BOX 1236, CUSHING, OK 74023-1236
PO BOX 1237, CUSHING, OK 74023-1237
PO BOX 1238, CUSHING, OK 74023-1238
PO BOX 1239, CUSHING, OK 74023-1239
PO BOX 1240, CUSHING, OK 74023-1240
PO BOX 1241, CUSHING, OK 74023-1241
PO BOX 1242, CUSHING, OK 74023-1242
PO BOX 1243, CUSHING, OK 74023-1243
PO BOX 1244, CUSHING, OK 74023-1244
PO BOX 1245, CUSHING, OK 74023-1245
PO BOX 1246, CUSHING, OK 74023-1246
PO BOX 1247, CUSHING, OK 74023-1247
PO BOX 1248, CUSHING, OK 74023-1248
PO BOX 1249, CUSHING, OK 74023-1249
PO BOX 1250, CUSHING, OK 74023-1250
PO BOX 1251, CUSHING, OK 74023-1251
PO BOX 1252, CUSHING, OK 74023-1252
PO BOX 1253, CUSHING, OK 74023-1253
PO BOX 1254, CUSHING, OK 74023-1254
PO BOX 1255, CUSHING, OK 74023-1255
PO BOX 1256, CUSHING, OK 74023-1256
PO BOX 1257, CUSHING, OK 74023-1257
PO BOX 1258, CUSHING, OK 74023-1258
PO BOX 1259, CUSHING, OK 74023-1259
PO BOX 1260, CUSHING, OK 74023-1260
PO BOX 1261, CUSHING, OK 74023-1261
PO BOX 1262, CUSHING, OK 74023-1262
PO BOX 1263, CUSHING, OK 74023-1263
PO BOX 1264, CUSHING, OK 74023-1264
PO BOX 1265, CUSHING, OK 74023-1265
PO BOX 1266, CUSHING, OK 74023-1266
PO BOX 1267, CUSHING, OK 74023-1267
PO BOX 1268, CUSHING, OK 74023-1268
PO BOX 1269, CUSHING, OK 74023-1269
PO BOX 1270, CUSHING, OK 74023-1270
PO BOX 1271, CUSHING, OK 74023-1271
PO BOX 1272, CUSHING, OK 74023-1272
PO BOX 1273, CUSHING, OK 74023-1273
PO BOX 1274, CUSHING, OK 74023-1274
PO BOX 1275, CUSHING, OK 74023-1275
PO BOX 1276, CUSHING, OK 74023-1276
PO BOX 1277, CUSHING, OK 74023-1277
PO BOX 1278, CUSHING, OK 74023-1278
PO BOX 1279, CUSHING, OK 74023-1279
PO BOX 1280, CUSHING, OK 74023-1280
PO BOX 1281, CUSHING, OK 74023-1281
PO BOX 1282, CUSHING, OK 74023-1282
PO BOX 1283, CUSHING, OK 74023-1283
PO BOX 1284, CUSHING, OK 74023-1284
PO BOX 1285, CUSHING, OK 74023-1285
PO BOX 1286, CUSHING, OK 74023-1286
PO BOX 1287, CUSHING, OK 74023-1287
PO BOX 1288, CUSHING, OK 74023-1288
PO BOX 1289, CUSHING, OK 74023-1289
PO BOX 1290, CUSHING, OK 74023-1290
PO BOX 1291, CUSHING, OK 74023-1291
PO BOX 1292, CUSHING, OK 74023-1292
PO BOX 1293, CUSHING, OK 74023-1293
PO BOX 1294, CUSHING, OK 74023-1294
PO BOX 1295, CUSHING, OK 74023-1295
PO BOX 1296, CUSHING, OK 74023-1296
PO BOX 1297, CUSHING, OK 74023-1297
PO BOX 1298, CUSHING, OK 74023-1298
PO BOX 1299, CUSHING, OK 74023-1299
PO BOX 1300, CUSHING, OK 74023-1300
PO BOX 1301, CUSHING, OK 74023-1301
PO BOX 1302, CUSHING, OK 74023-1302
PO BOX 1303, CUSHING, OK 74023-1303
PO BOX 1304, CUSHING, OK 74023-1304
PO BOX 1305, CUSHING, OK 74023-1305
PO BOX 1306, CUSHING, OK 74023-1306
PO BOX 1307, CUSHING, OK 74023-1307
PO BOX 1308, CUSHING, OK 74023-1308
PO BOX 1309, CUSHING, OK 74023-1309
PO BOX 1310, CUSHING, OK 74023-1310
PO BOX 1311, CUSHING, OK 74023-1311
PO BOX 1312, CUSHING, OK 74023-1312
PO BOX 1313, CUSHING, OK 74023-1313
PO BOX 1314, CUSHING, OK 74023-1314
PO BOX 1315, CUSHING, OK 74023-1315
PO BOX 1316, CUSHING, OK 74023-1316
PO BOX 1317, CUSHING, OK 74023-1317
PO BOX 1318, CUSHING, OK 74023-1318
PO BOX 1319, CUSHING, OK 74023-1319
PO BOX 1320, CUSHING, OK 74023-1320
PO BOX 1321, CUSHING, OK 74023-1321
PO BOX 1322, CUSHING, OK 74023-1322
PO BOX 1323, CUSHING, OK 74023-1323
PO BOX 1324, CUSHING, OK 74023-1324
PO BOX 1325, CUSHING, OK 74023-1325
PO BOX 1326, CUSHING, OK 74023-1326
PO BOX 1327, CUSHING, OK 74023-1327
PO BOX 1328, CUSHING, OK 74023-1328
PO BOX 1329, CUSHING, OK 74023-1329
PO BOX 1330, CUSHING, OK 74023-1330
PO BOX 1331, CUSHING, OK 74023-1331
PO BOX 1332, CUSHING, OK 74023-1332
PO BOX 1333, CUSHING, OK 74023-1333
PO BOX 1334, CUSHING, OK 74023-1334
PO BOX 1335, CUSHING, OK 74023-1335
PO BOX 1336, CUSHING, OK 74023-1336
PO BOX 1337, CUSHING, OK 74023-1337
PO BOX 1338, CUSHING, OK 74023-1338
PO BOX 1339, CUSHING, OK 74023-1339
PO BOX 1340, CUSHING, OK 74023-1340
PO BOX 1341, CUSHING, OK 74023-1341
PO BOX 1342, CUSHING, OK 74023-1342
PO BOX 1343, CUSHING, OK 74023-1343
PO BOX 1344, CUSHING, OK 74023-1344
PO BOX 1345, CUSHING, OK 74023-1345
PO BOX 1346, CUSHING, OK 74023-1346
PO BOX 1347, CUSHING, OK 74023-1347
PO BOX 1348, CUSHING, OK 74023-1348
PO BOX 1349, CUSHING, OK 74023-1349
PO BOX 1350, CUSHING, OK 74023-1350
PO BOX 1351, CUSHING, OK 74023-1351
PO BOX 1352, CUSHING, OK 74023-1352
PO BOX 1353, CUSHING, OK 74023-1353
PO BOX 1354, CUSHING, OK 74023-1354
PO BOX 1355, CUSHING, OK 74023-1355
PO BOX 1356, CUSHING, OK 74023-1356
PO BOX 1357, CUSHING, OK 74023-1357
PO BOX 1358, CUSHING, OK 74023-1358
PO BOX 1359, CUSHING, OK 74023-1359
PO BOX 1360, CUSHING, OK 74023-1360
PO BOX 1361, CUSHING, OK 74023-1361
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