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 1361, MONTEREY, CA 93942-1361
PO BOX 1362, MONTEREY, CA 93942-1362
PO BOX 1363, MONTEREY, CA 93942-1363
PO BOX 1364, MONTEREY, CA 93942-1364
PO BOX 1365, MONTEREY, CA 93942-1365
PO BOX 1366, MONTEREY, CA 93942-1366
PO BOX 1367, MONTEREY, CA 93942-1367
PO BOX 1368, MONTEREY, CA 93942-1368
PO BOX 1369, MONTEREY, CA 93942-1369
PO BOX 1370, MONTEREY, CA 93942-1370
PO BOX 1371, MONTEREY, CA 93942-1371
PO BOX 1372, MONTEREY, CA 93942-1372
PO BOX 1373, MONTEREY, CA 93942-1373
PO BOX 1374, MONTEREY, CA 93942-1374
PO BOX 1375, MONTEREY, CA 93942-1375
PO BOX 1376, MONTEREY, CA 93942-1376
PO BOX 1377, MONTEREY, CA 93942-1377
PO BOX 1378, MONTEREY, CA 93942-1378
PO BOX 1379, MONTEREY, CA 93942-1379
PO BOX 1380, MONTEREY, CA 93942-1380
PO BOX 1381, MONTEREY, CA 93942-1381
PO BOX 1382, MONTEREY, CA 93942-1382
PO BOX 1383, MONTEREY, CA 93942-1383
PO BOX 1384, MONTEREY, CA 93942-1384
PO BOX 1385, MONTEREY, CA 93942-1385
PO BOX 1386, MONTEREY, CA 93942-1386
PO BOX 1387, MONTEREY, CA 93942-1387
PO BOX 1388, MONTEREY, CA 93942-1388
PO BOX 1389, MONTEREY, CA 93942-1389
PO BOX 1390, MONTEREY, CA 93942-1390
PO BOX 1391, MONTEREY, CA 93942-1391
PO BOX 1392, MONTEREY, CA 93942-1392
PO BOX 1393, MONTEREY, CA 93942-1393
PO BOX 1394, MONTEREY, CA 93942-1394
PO BOX 1395, MONTEREY, CA 93942-1395
PO BOX 1396, MONTEREY, CA 93942-1396
PO BOX 1397, MONTEREY, CA 93942-1397
PO BOX 1398, MONTEREY, CA 93942-1398
PO BOX 1399, MONTEREY, CA 93942-1399
PO BOX 1400, MONTEREY, CA 93942-1400
PO BOX 1401, MONTEREY, CA 93942-1401
PO BOX 1402, MONTEREY, CA 93942-1402
PO BOX 1403, MONTEREY, CA 93942-1403
PO BOX 1404, MONTEREY, CA 93942-1404
PO BOX 1405, MONTEREY, CA 93942-1405
PO BOX 1406, MONTEREY, CA 93942-1406
PO BOX 1407, MONTEREY, CA 93942-1407
PO BOX 1408, MONTEREY, CA 93942-1408
PO BOX 1409, MONTEREY, CA 93942-1409
PO BOX 1410, MONTEREY, CA 93942-1410
PO BOX 1411, MONTEREY, CA 93942-1411
PO BOX 1412, MONTEREY, CA 93942-1412
PO BOX 1413, MONTEREY, CA 93942-1413
PO BOX 1414, MONTEREY, CA 93942-1414
PO BOX 1415, MONTEREY, CA 93942-1415
PO BOX 1416, MONTEREY, CA 93942-1416
PO BOX 1417, MONTEREY, CA 93942-1417
PO BOX 1418, MONTEREY, CA 93942-1418
PO BOX 1419, MONTEREY, CA 93942-1419
PO BOX 1420, MONTEREY, CA 93942-1420
PO BOX 1421, MONTEREY, CA 93942-1421
PO BOX 1422, MONTEREY, CA 93942-1422
PO BOX 1423, MONTEREY, CA 93942-1423
PO BOX 1424, MONTEREY, CA 93942-1424
PO BOX 1425, MONTEREY, CA 93942-1425
PO BOX 1426, MONTEREY, CA 93942-1426
PO BOX 1427, MONTEREY, CA 93942-1427
PO BOX 1428, MONTEREY, CA 93942-1428
PO BOX 1429, MONTEREY, CA 93942-1429
PO BOX 1430, MONTEREY, CA 93942-1430
PO BOX 1431, MONTEREY, CA 93942-1431
PO BOX 1432, MONTEREY, CA 93942-1432
PO BOX 1433, MONTEREY, CA 93942-1433
PO BOX 1434, MONTEREY, CA 93942-1434
PO BOX 1435, MONTEREY, CA 93942-1435
PO BOX 1436, MONTEREY, CA 93942-1436
PO BOX 1437, MONTEREY, CA 93942-1437
PO BOX 1438, MONTEREY, CA 93942-1438
PO BOX 1439, MONTEREY, CA 93942-1439
PO BOX 1440, MONTEREY, CA 93942-1440
PO BOX 1441, MONTEREY, CA 93942-1441
PO BOX 1442, MONTEREY, CA 93942-1442
PO BOX 1443, MONTEREY, CA 93942-1443
PO BOX 1444, MONTEREY, CA 93942-1444
PO BOX 1445, MONTEREY, CA 93942-1445
PO BOX 1446, MONTEREY, CA 93942-1446
PO BOX 1447, MONTEREY, CA 93942-1447
PO BOX 1448, MONTEREY, CA 93942-1448
PO BOX 1449, MONTEREY, CA 93942-1449
PO BOX 1450, MONTEREY, CA 93942-1450
PO BOX 1451, MONTEREY, CA 93942-1451
PO BOX 1452, MONTEREY, CA 93942-1452
PO BOX 1453, MONTEREY, CA 93942-1453
PO BOX 1454, MONTEREY, CA 93942-1454
PO BOX 1455, MONTEREY, CA 93942-1455
PO BOX 1456, MONTEREY, CA 93942-1456
PO BOX 1457, MONTEREY, CA 93942-1457
PO BOX 1458, MONTEREY, CA 93942-1458
PO BOX 1459, MONTEREY, CA 93942-1459
PO BOX 1460, MONTEREY, CA 93942-1460
PO BOX 1461, MONTEREY, CA 93942-1461
PO BOX 1462, MONTEREY, CA 93942-1462
PO BOX 1463, MONTEREY, CA 93942-1463
PO BOX 1464, MONTEREY, CA 93942-1464
PO BOX 1465, MONTEREY, CA 93942-1465
PO BOX 1466, MONTEREY, CA 93942-1466
PO BOX 1467, MONTEREY, CA 93942-1467
PO BOX 1468, MONTEREY, CA 93942-1468
PO BOX 1469, MONTEREY, CA 93942-1469
PO BOX 1470, MONTEREY, CA 93942-1470
PO BOX 1471, MONTEREY, CA 93942-1471
PO BOX 1472, MONTEREY, CA 93942-1472
PO BOX 1473, MONTEREY, CA 93942-1473
PO BOX 1474, MONTEREY, CA 93942-1474
PO BOX 1475, MONTEREY, CA 93942-1475
PO BOX 1476, MONTEREY, CA 93942-1476
PO BOX 1477, MONTEREY, CA 93942-1477
PO BOX 1478, MONTEREY, CA 93942-1478
PO BOX 1479, MONTEREY, CA 93942-1479
PO BOX 1480, MONTEREY, CA 93942-1480
PO BOX 1481, MONTEREY, CA 93942-1481
PO BOX 1482, MONTEREY, CA 93942-1482
PO BOX 1483, MONTEREY, CA 93942-1483
PO BOX 1484, MONTEREY, CA 93942-1484
PO BOX 1485, MONTEREY, CA 93942-1485
PO BOX 1486, MONTEREY, CA 93942-1486
PO BOX 1487, MONTEREY, CA 93942-1487
PO BOX 1488, MONTEREY, CA 93942-1488
PO BOX 1489, MONTEREY, CA 93942-1489
PO BOX 1490, MONTEREY, CA 93942-1490
PO BOX 1491, MONTEREY, CA 93942-1491
PO BOX 1492, MONTEREY, CA 93942-1492
PO BOX 1493, MONTEREY, CA 93942-1493
PO BOX 1494, MONTEREY, CA 93942-1494
PO BOX 1495, MONTEREY, CA 93942-1495
PO BOX 1496, MONTEREY, CA 93942-1496
PO BOX 1497, MONTEREY, CA 93942-1497
PO BOX 1498, MONTEREY, CA 93942-1498
PO BOX 1499, MONTEREY, CA 93942-1499
PO BOX 1500, MONTEREY, CA 93942-1500
PO BOX 1501, MONTEREY, CA 93942-1501
PO BOX 1502, MONTEREY, CA 93942-1502
PO BOX 1503, MONTEREY, CA 93942-1503
PO BOX 1504, MONTEREY, CA 93942-1504
PO BOX 1505, MONTEREY, CA 93942-1505
PO BOX 1506, MONTEREY, CA 93942-1506
PO BOX 1507, MONTEREY, CA 93942-1507
PO BOX 1508, MONTEREY, CA 93942-1508
PO BOX 1509, MONTEREY, CA 93942-1509
PO BOX 1510, MONTEREY, CA 93942-1510
PO BOX 1511, MONTEREY, CA 93942-1511
PO BOX 1512, MONTEREY, CA 93942-1512
PO BOX 1513, MONTEREY, CA 93942-1513
PO BOX 1514, MONTEREY, CA 93942-1514
PO BOX 1515, MONTEREY, CA 93942-1515
PO BOX 1516, MONTEREY, CA 93942-1516
PO BOX 1517, MONTEREY, CA 93942-1517
PO BOX 1518, MONTEREY, CA 93942-1518
PO BOX 1519, MONTEREY, CA 93942-1519
PO BOX 1520, MONTEREY, CA 93942-1520
PO BOX 1521, MONTEREY, CA 93942-1521
PO BOX 1522, MONTEREY, CA 93942-1522
PO BOX 1523, MONTEREY, CA 93942-1523
PO BOX 1524, MONTEREY, CA 93942-1524
PO BOX 1525, MONTEREY, CA 93942-1525
PO BOX 1526, MONTEREY, CA 93942-1526
PO BOX 1527, MONTEREY, CA 93942-1527
PO BOX 1528, MONTEREY, CA 93942-1528
PO BOX 1529, MONTEREY, CA 93942-1529
PO BOX 1530, MONTEREY, CA 93942-1530
PO BOX 1531, MONTEREY, CA 93942-1531
PO BOX 1532, MONTEREY, CA 93942-1532
PO BOX 1533, MONTEREY, CA 93942-1533
PO BOX 1534, MONTEREY, CA 93942-1534
PO BOX 1535, MONTEREY, CA 93942-1535
PO BOX 1536, MONTEREY, CA 93942-1536
PO BOX 1537, MONTEREY, CA 93942-1537
PO BOX 1538, MONTEREY, CA 93942-1538
PO BOX 1539, MONTEREY, CA 93942-1539
PO BOX 1540, MONTEREY, CA 93942-1540
PO BOX 1541, MONTEREY, CA 93942-1541
PO BOX 1542, MONTEREY, CA 93942-1542
PO BOX 1543, MONTEREY, CA 93942-1543
PO BOX 1544, MONTEREY, CA 93942-1544
PO BOX 1545, MONTEREY, CA 93942-1545
PO BOX 1546, MONTEREY, CA 93942-1546
PO BOX 1547, MONTEREY, CA 93942-1547
PO BOX 1548, MONTEREY, CA 93942-1548
PO BOX 1549, MONTEREY, CA 93942-1549
PO BOX 1550, MONTEREY, CA 93942-1550
PO BOX 1551, MONTEREY, CA 93942-1551
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