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 1321, SAINT AUGUSTINE, FL 32085-1321
PO BOX 1322, SAINT AUGUSTINE, FL 32085-1322
PO BOX 1323, SAINT AUGUSTINE, FL 32085-1323
PO BOX 1324, SAINT AUGUSTINE, FL 32085-1324
PO BOX 1325, SAINT AUGUSTINE, FL 32085-1325
PO BOX 1326, SAINT AUGUSTINE, FL 32085-1326
PO BOX 1327, SAINT AUGUSTINE, FL 32085-1327
PO BOX 1328, SAINT AUGUSTINE, FL 32085-1328
PO BOX 1329, SAINT AUGUSTINE, FL 32085-1329
PO BOX 1330, SAINT AUGUSTINE, FL 32085-1330
PO BOX 1331, SAINT AUGUSTINE, FL 32085-1331
PO BOX 1332, SAINT AUGUSTINE, FL 32085-1332
PO BOX 1333, SAINT AUGUSTINE, FL 32085-1333
PO BOX 1334, SAINT AUGUSTINE, FL 32085-1334
PO BOX 1335, SAINT AUGUSTINE, FL 32085-1335
PO BOX 1336, SAINT AUGUSTINE, FL 32085-1336
PO BOX 1337, SAINT AUGUSTINE, FL 32085-1337
PO BOX 1338, SAINT AUGUSTINE, FL 32085-1338
PO BOX 1339, SAINT AUGUSTINE, FL 32085-1339
PO BOX 1340, SAINT AUGUSTINE, FL 32085-1340
PO BOX 1341, SAINT AUGUSTINE, FL 32085-1341
PO BOX 1342, SAINT AUGUSTINE, FL 32085-1342
PO BOX 1343, SAINT AUGUSTINE, FL 32085-1343
PO BOX 1344, SAINT AUGUSTINE, FL 32085-1344
PO BOX 1345, SAINT AUGUSTINE, FL 32085-1345
PO BOX 1346, SAINT AUGUSTINE, FL 32085-1346
PO BOX 1347, SAINT AUGUSTINE, FL 32085-1347
PO BOX 1348, SAINT AUGUSTINE, FL 32085-1348
PO BOX 1349, SAINT AUGUSTINE, FL 32085-1349
PO BOX 1350, SAINT AUGUSTINE, FL 32085-1350
PO BOX 1351, SAINT AUGUSTINE, FL 32085-1351
PO BOX 1352, SAINT AUGUSTINE, FL 32085-1352
PO BOX 1353, SAINT AUGUSTINE, FL 32085-1353
PO BOX 1354, SAINT AUGUSTINE, FL 32085-1354
PO BOX 1355, SAINT AUGUSTINE, FL 32085-1355
PO BOX 1356, SAINT AUGUSTINE, FL 32085-1356
PO BOX 1357, SAINT AUGUSTINE, FL 32085-1357
PO BOX 1358, SAINT AUGUSTINE, FL 32085-1358
PO BOX 1359, SAINT AUGUSTINE, FL 32085-1359
PO BOX 1360, SAINT AUGUSTINE, FL 32085-1360
PO BOX 1361, SAINT AUGUSTINE, FL 32085-1361
PO BOX 1362, SAINT AUGUSTINE, FL 32085-1362
PO BOX 1363, SAINT AUGUSTINE, FL 32085-1363
PO BOX 1364, SAINT AUGUSTINE, FL 32085-1364
PO BOX 1365, SAINT AUGUSTINE, FL 32085-1365
PO BOX 1366, SAINT AUGUSTINE, FL 32085-1366
PO BOX 1367, SAINT AUGUSTINE, FL 32085-1367
PO BOX 1368, SAINT AUGUSTINE, FL 32085-1368
PO BOX 1369, SAINT AUGUSTINE, FL 32085-1369
PO BOX 1370, SAINT AUGUSTINE, FL 32085-1370
PO BOX 1371, SAINT AUGUSTINE, FL 32085-1371
PO BOX 1372, SAINT AUGUSTINE, FL 32085-1372
PO BOX 1373, SAINT AUGUSTINE, FL 32085-1373
PO BOX 1374, SAINT AUGUSTINE, FL 32085-1374
PO BOX 1375, SAINT AUGUSTINE, FL 32085-1375
PO BOX 1376, SAINT AUGUSTINE, FL 32085-1376
PO BOX 1377, SAINT AUGUSTINE, FL 32085-1377
PO BOX 1378, SAINT AUGUSTINE, FL 32085-1378
PO BOX 1379, SAINT AUGUSTINE, FL 32085-1379
PO BOX 1380, SAINT AUGUSTINE, FL 32085-1380
PO BOX 1381, SAINT AUGUSTINE, FL 32085-1381
PO BOX 1382, SAINT AUGUSTINE, FL 32085-1382
PO BOX 1383, SAINT AUGUSTINE, FL 32085-1383
PO BOX 1384, SAINT AUGUSTINE, FL 32085-1384
PO BOX 1385, SAINT AUGUSTINE, FL 32085-1385
PO BOX 1386, SAINT AUGUSTINE, FL 32085-1386
PO BOX 1387, SAINT AUGUSTINE, FL 32085-1387
PO BOX 1388, SAINT AUGUSTINE, FL 32085-1388
PO BOX 1389, SAINT AUGUSTINE, FL 32085-1389
PO BOX 1390, SAINT AUGUSTINE, FL 32085-1390
PO BOX 1391, SAINT AUGUSTINE, FL 32085-1391
PO BOX 1392, SAINT AUGUSTINE, FL 32085-1392
PO BOX 1393, SAINT AUGUSTINE, FL 32085-1393
PO BOX 1394, SAINT AUGUSTINE, FL 32085-1394
PO BOX 1395, SAINT AUGUSTINE, FL 32085-1395
PO BOX 1396, SAINT AUGUSTINE, FL 32085-1396
PO BOX 1397, SAINT AUGUSTINE, FL 32085-1397
PO BOX 1398, SAINT AUGUSTINE, FL 32085-1398
PO BOX 1399, SAINT AUGUSTINE, FL 32085-1399
PO BOX 1400, SAINT AUGUSTINE, FL 32085-1400
PO BOX 1401, SAINT AUGUSTINE, FL 32085-1401
PO BOX 1402, SAINT AUGUSTINE, FL 32085-1402
PO BOX 1403, SAINT AUGUSTINE, FL 32085-1403
PO BOX 1404, SAINT AUGUSTINE, FL 32085-1404
PO BOX 1405, SAINT AUGUSTINE, FL 32085-1405
PO BOX 1406, SAINT AUGUSTINE, FL 32085-1406
PO BOX 1407, SAINT AUGUSTINE, FL 32085-1407
PO BOX 1408, SAINT AUGUSTINE, FL 32085-1408
PO BOX 1409, SAINT AUGUSTINE, FL 32085-1409
PO BOX 1410, SAINT AUGUSTINE, FL 32085-1410
PO BOX 1411, SAINT AUGUSTINE, FL 32085-1411
PO BOX 1412, SAINT AUGUSTINE, FL 32085-1412
PO BOX 1413, SAINT AUGUSTINE, FL 32085-1413
PO BOX 1414, SAINT AUGUSTINE, FL 32085-1414
PO BOX 1415, SAINT AUGUSTINE, FL 32085-1415
PO BOX 1416, SAINT AUGUSTINE, FL 32085-1416
PO BOX 1417, SAINT AUGUSTINE, FL 32085-1417
PO BOX 1418, SAINT AUGUSTINE, FL 32085-1418
PO BOX 1419, SAINT AUGUSTINE, FL 32085-1419
PO BOX 1420, SAINT AUGUSTINE, FL 32085-1420
PO BOX 1421, SAINT AUGUSTINE, FL 32085-1421
PO BOX 1422, SAINT AUGUSTINE, FL 32085-1422
PO BOX 1423, SAINT AUGUSTINE, FL 32085-1423
PO BOX 1424, SAINT AUGUSTINE, FL 32085-1424
PO BOX 1425, SAINT AUGUSTINE, FL 32085-1425
PO BOX 1426, SAINT AUGUSTINE, FL 32085-1426
PO BOX 1427, SAINT AUGUSTINE, FL 32085-1427
PO BOX 1428, SAINT AUGUSTINE, FL 32085-1428
PO BOX 1429, SAINT AUGUSTINE, FL 32085-1429
PO BOX 1430, SAINT AUGUSTINE, FL 32085-1430
PO BOX 1431, SAINT AUGUSTINE, FL 32085-1431
PO BOX 1432, SAINT AUGUSTINE, FL 32085-1432
PO BOX 1433, SAINT AUGUSTINE, FL 32085-1433
PO BOX 1434, SAINT AUGUSTINE, FL 32085-1434
PO BOX 1435, SAINT AUGUSTINE, FL 32085-1435
PO BOX 1436, SAINT AUGUSTINE, FL 32085-1436
PO BOX 1437, SAINT AUGUSTINE, FL 32085-1437
PO BOX 1438, SAINT AUGUSTINE, FL 32085-1438
PO BOX 1439, SAINT AUGUSTINE, FL 32085-1439
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