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 1351, PERTH AMBOY, NJ 08862-1351
PO BOX 1352, PERTH AMBOY, NJ 08862-1352
PO BOX 1353, PERTH AMBOY, NJ 08862-1353
PO BOX 1354, PERTH AMBOY, NJ 08862-1354
PO BOX 1355, PERTH AMBOY, NJ 08862-1355
PO BOX 1356, PERTH AMBOY, NJ 08862-1356
PO BOX 1357, PERTH AMBOY, NJ 08862-1357
PO BOX 1358, PERTH AMBOY, NJ 08862-1358
PO BOX 1359, PERTH AMBOY, NJ 08862-1359
PO BOX 1360, PERTH AMBOY, NJ 08862-1360
PO BOX 1361, PERTH AMBOY, NJ 08862-1361
PO BOX 1362, PERTH AMBOY, NJ 08862-1362
PO BOX 1363, PERTH AMBOY, NJ 08862-1363
PO BOX 1364, PERTH AMBOY, NJ 08862-1364
PO BOX 1365, PERTH AMBOY, NJ 08862-1365
PO BOX 1366, PERTH AMBOY, NJ 08862-1366
PO BOX 1367, PERTH AMBOY, NJ 08862-1367
PO BOX 1368, PERTH AMBOY, NJ 08862-1368
PO BOX 1369, PERTH AMBOY, NJ 08862-1369
PO BOX 1370, PERTH AMBOY, NJ 08862-1370
PO BOX 1371, PERTH AMBOY, NJ 08862-1371
PO BOX 1372, PERTH AMBOY, NJ 08862-1372
PO BOX 1373, PERTH AMBOY, NJ 08862-1373
PO BOX 1374, PERTH AMBOY, NJ 08862-1374
PO BOX 1375, PERTH AMBOY, NJ 08862-1375
PO BOX 1376, PERTH AMBOY, NJ 08862-1376
PO BOX 1377, PERTH AMBOY, NJ 08862-1377
PO BOX 1378, PERTH AMBOY, NJ 08862-1378
PO BOX 1379, PERTH AMBOY, NJ 08862-1379
PO BOX 1380, PERTH AMBOY, NJ 08862-1380
PO BOX 1381, PERTH AMBOY, NJ 08862-1381
PO BOX 1382, PERTH AMBOY, NJ 08862-1382
PO BOX 1383, PERTH AMBOY, NJ 08862-1383
PO BOX 1384, PERTH AMBOY, NJ 08862-1384
PO BOX 1385, PERTH AMBOY, NJ 08862-1385
PO BOX 1386, PERTH AMBOY, NJ 08862-1386
PO BOX 1387, PERTH AMBOY, NJ 08862-1387
PO BOX 1388, PERTH AMBOY, NJ 08862-1388
PO BOX 1389, PERTH AMBOY, NJ 08862-1389
PO BOX 1390, PERTH AMBOY, NJ 08862-1390
PO BOX 1391, PERTH AMBOY, NJ 08862-1391
PO BOX 1392, PERTH AMBOY, NJ 08862-1392
PO BOX 1393, PERTH AMBOY, NJ 08862-1393
PO BOX 1394, PERTH AMBOY, NJ 08862-1394
PO BOX 1395, PERTH AMBOY, NJ 08862-1395
PO BOX 1396, PERTH AMBOY, NJ 08862-1396
PO BOX 1397, PERTH AMBOY, NJ 08862-1397
PO BOX 1398, PERTH AMBOY, NJ 08862-1398
PO BOX 1399, PERTH AMBOY, NJ 08862-1399
PO BOX 1400, PERTH AMBOY, NJ 08862-1400
PO BOX 1401, PERTH AMBOY, NJ 08862-1401
PO BOX 1402, PERTH AMBOY, NJ 08862-1402
PO BOX 1403, PERTH AMBOY, NJ 08862-1403
PO BOX 1404, PERTH AMBOY, NJ 08862-1404
PO BOX 1405, PERTH AMBOY, NJ 08862-1405
PO BOX 1406, PERTH AMBOY, NJ 08862-1406
PO BOX 1407, PERTH AMBOY, NJ 08862-1407
PO BOX 1408, PERTH AMBOY, NJ 08862-1408
PO BOX 1409, PERTH AMBOY, NJ 08862-1409
PO BOX 1410, PERTH AMBOY, NJ 08862-1410
PO BOX 1411, PERTH AMBOY, NJ 08862-1411
PO BOX 1412, PERTH AMBOY, NJ 08862-1412
PO BOX 1413, PERTH AMBOY, NJ 08862-1413
PO BOX 1414, PERTH AMBOY, NJ 08862-1414
PO BOX 1415, PERTH AMBOY, NJ 08862-1415
PO BOX 1416, PERTH AMBOY, NJ 08862-1416
PO BOX 1417, PERTH AMBOY, NJ 08862-1417
PO BOX 1418, PERTH AMBOY, NJ 08862-1418
PO BOX 1419, PERTH AMBOY, NJ 08862-1419
PO BOX 1420, PERTH AMBOY, NJ 08862-1420
PO BOX 1421, PERTH AMBOY, NJ 08862-1421
PO BOX 1422, PERTH AMBOY, NJ 08862-1422
PO BOX 1423, PERTH AMBOY, NJ 08862-1423
PO BOX 1424, PERTH AMBOY, NJ 08862-1424
PO BOX 1425, PERTH AMBOY, NJ 08862-1425
PO BOX 1426, PERTH AMBOY, NJ 08862-1426
PO BOX 1427, PERTH AMBOY, NJ 08862-1427
PO BOX 1428, PERTH AMBOY, NJ 08862-1428
PO BOX 1429, PERTH AMBOY, NJ 08862-1429
PO BOX 1430, PERTH AMBOY, NJ 08862-1430
PO BOX 1431, PERTH AMBOY, NJ 08862-1431
PO BOX 1432, PERTH AMBOY, NJ 08862-1432
PO BOX 1433, PERTH AMBOY, NJ 08862-1433
PO BOX 1434, PERTH AMBOY, NJ 08862-1434
PO BOX 1435, PERTH AMBOY, NJ 08862-1435
PO BOX 1436, PERTH AMBOY, NJ 08862-1436
PO BOX 1437, PERTH AMBOY, NJ 08862-1437
PO BOX 1438, PERTH AMBOY, NJ 08862-1438
PO BOX 1439, PERTH AMBOY, NJ 08862-1439
PO BOX 1440, PERTH AMBOY, NJ 08862-1440
PO BOX 1441, PERTH AMBOY, NJ 08862-1441
PO BOX 1442, PERTH AMBOY, NJ 08862-1442
PO BOX 1443, PERTH AMBOY, NJ 08862-1443
PO BOX 1444, PERTH AMBOY, NJ 08862-1444
PO BOX 1445, PERTH AMBOY, NJ 08862-1445
PO BOX 1446, PERTH AMBOY, NJ 08862-1446
PO BOX 1447, PERTH AMBOY, NJ 08862-1447
PO BOX 1448, PERTH AMBOY, NJ 08862-1448
PO BOX 1449, PERTH AMBOY, NJ 08862-1449
PO BOX 1450, PERTH AMBOY, NJ 08862-1450
PO BOX 1451, PERTH AMBOY, NJ 08862-1451
PO BOX 1452, PERTH AMBOY, NJ 08862-1452
PO BOX 1453, PERTH AMBOY, NJ 08862-1453
PO BOX 1454, PERTH AMBOY, NJ 08862-1454
PO BOX 1455, PERTH AMBOY, NJ 08862-1455
PO BOX 1456, PERTH AMBOY, NJ 08862-1456
PO BOX 1457, PERTH AMBOY, NJ 08862-1457
PO BOX 1458, PERTH AMBOY, NJ 08862-1458
PO BOX 1459, PERTH AMBOY, NJ 08862-1459
PO BOX 1460, PERTH AMBOY, NJ 08862-1460
PO BOX 1461, PERTH AMBOY, NJ 08862-1461
PO BOX 1462, PERTH AMBOY, NJ 08862-1462
PO BOX 1463, PERTH AMBOY, NJ 08862-1463
PO BOX 1464, PERTH AMBOY, NJ 08862-1464
PO BOX 1465, PERTH AMBOY, NJ 08862-1465
PO BOX 1466, PERTH AMBOY, NJ 08862-1466
PO BOX 1467, PERTH AMBOY, NJ 08862-1467
PO BOX 1468, PERTH AMBOY, NJ 08862-1468
PO BOX 1469, PERTH AMBOY, NJ 08862-1469
PO BOX 1470, PERTH AMBOY, NJ 08862-1470
PO BOX 1471, PERTH AMBOY, NJ 08862-1471
PO BOX 1472, PERTH AMBOY, NJ 08862-1472
PO BOX 1473, PERTH AMBOY, NJ 08862-1473
PO BOX 1474, PERTH AMBOY, NJ 08862-1474
PO BOX 1475, PERTH AMBOY, NJ 08862-1475
PO BOX 1476, PERTH AMBOY, NJ 08862-1476
PO BOX 1477, PERTH AMBOY, NJ 08862-1477
PO BOX 1478, PERTH AMBOY, NJ 08862-1478
PO BOX 1479, PERTH AMBOY, NJ 08862-1479
PO BOX 1480, PERTH AMBOY, NJ 08862-1480
PO BOX 1481, PERTH AMBOY, NJ 08862-1481
PO BOX 1482, PERTH AMBOY, NJ 08862-1482
PO BOX 1483, PERTH AMBOY, NJ 08862-1483
PO BOX 1484, PERTH AMBOY, NJ 08862-1484
PO BOX 1485, PERTH AMBOY, NJ 08862-1485
PO BOX 1486, PERTH AMBOY, NJ 08862-1486
PO BOX 1487, PERTH AMBOY, NJ 08862-1487
PO BOX 1488, PERTH AMBOY, NJ 08862-1488
PO BOX 1489, PERTH AMBOY, NJ 08862-1489
PO BOX 1490, PERTH AMBOY, NJ 08862-1490
PO BOX 1491, PERTH AMBOY, NJ 08862-1491
PO BOX 1492, PERTH AMBOY, NJ 08862-1492
PO BOX 1493, PERTH AMBOY, NJ 08862-1493
PO BOX 1494, PERTH AMBOY, NJ 08862-1494
PO BOX 1495, PERTH AMBOY, NJ 08862-1495
PO BOX 1496, PERTH AMBOY, NJ 08862-1496
PO BOX 1497, PERTH AMBOY, NJ 08862-1497
PO BOX 1498, PERTH AMBOY, NJ 08862-1498
PO BOX 1499, PERTH AMBOY, NJ 08862-1499
PO BOX 1500, PERTH AMBOY, NJ 08862-1500
PO BOX 1501, PERTH AMBOY, NJ 08862-1501
PO BOX 1502, PERTH AMBOY, NJ 08862-1502
PO BOX 1503, PERTH AMBOY, NJ 08862-1503
PO BOX 1504, PERTH AMBOY, NJ 08862-1504
PO BOX 1505, PERTH AMBOY, NJ 08862-1505
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