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, BURLINGTON, NC 27216-1361
PO BOX 1362, BURLINGTON, NC 27216-1362
PO BOX 1363, BURLINGTON, NC 27216-1363
PO BOX 1364, BURLINGTON, NC 27216-1364
PO BOX 1365, BURLINGTON, NC 27216-1365
PO BOX 1366, BURLINGTON, NC 27216-1366
PO BOX 1367, BURLINGTON, NC 27216-1367
PO BOX 1368, BURLINGTON, NC 27216-1368
PO BOX 1369, BURLINGTON, NC 27216-1369
PO BOX 1370, BURLINGTON, NC 27216-1370
PO BOX 1371, BURLINGTON, NC 27216-1371
PO BOX 1372, BURLINGTON, NC 27216-1372
PO BOX 1373, BURLINGTON, NC 27216-1373
PO BOX 1374, BURLINGTON, NC 27216-1374
PO BOX 1375, BURLINGTON, NC 27216-1375
PO BOX 1376, BURLINGTON, NC 27216-1376
PO BOX 1377, BURLINGTON, NC 27216-1377
PO BOX 1378, BURLINGTON, NC 27216-1378
PO BOX 1379, BURLINGTON, NC 27216-1379
PO BOX 1380, BURLINGTON, NC 27216-1380
PO BOX 1381, BURLINGTON, NC 27216-1381
PO BOX 1382, BURLINGTON, NC 27216-1382
PO BOX 1383, BURLINGTON, NC 27216-1383
PO BOX 1384, BURLINGTON, NC 27216-1384
PO BOX 1385, BURLINGTON, NC 27216-1385
PO BOX 1386, BURLINGTON, NC 27216-1386
PO BOX 1387, BURLINGTON, NC 27216-1387
PO BOX 1388, BURLINGTON, NC 27216-1388
PO BOX 1389, BURLINGTON, NC 27216-1389
PO BOX 1390, BURLINGTON, NC 27216-1390
PO BOX 1391, BURLINGTON, NC 27216-1391
PO BOX 1392, BURLINGTON, NC 27216-1392
PO BOX 1393, BURLINGTON, NC 27216-1393
PO BOX 1394, BURLINGTON, NC 27216-1394
PO BOX 1395, BURLINGTON, NC 27216-1395
PO BOX 1396, BURLINGTON, NC 27216-1396
PO BOX 1397, BURLINGTON, NC 27216-1397
PO BOX 1398, BURLINGTON, NC 27216-1398
PO BOX 1399, BURLINGTON, NC 27216-1399
PO BOX 1400, BURLINGTON, NC 27216-1400
PO BOX 1401, BURLINGTON, NC 27216-1401
PO BOX 1402, BURLINGTON, NC 27216-1402
PO BOX 1403, BURLINGTON, NC 27216-1403
PO BOX 1404, BURLINGTON, NC 27216-1404
PO BOX 1405, BURLINGTON, NC 27216-1405
PO BOX 1406, BURLINGTON, NC 27216-1406
PO BOX 1407, BURLINGTON, NC 27216-1407
PO BOX 1408, BURLINGTON, NC 27216-1408
PO BOX 1409, BURLINGTON, NC 27216-1409
PO BOX 1410, BURLINGTON, NC 27216-1410
PO BOX 1411, BURLINGTON, NC 27216-1411
PO BOX 1412, BURLINGTON, NC 27216-1412
PO BOX 1413, BURLINGTON, NC 27216-1413
PO BOX 1414, BURLINGTON, NC 27216-1414
PO BOX 1415, BURLINGTON, NC 27216-1415
PO BOX 1416, BURLINGTON, NC 27216-1416
PO BOX 1417, BURLINGTON, NC 27216-1417
PO BOX 1418, BURLINGTON, NC 27216-1418
PO BOX 1419, BURLINGTON, NC 27216-1419
PO BOX 1420, BURLINGTON, NC 27216-1420
PO BOX 1421, BURLINGTON, NC 27216-1421
PO BOX 1422, BURLINGTON, NC 27216-1422
PO BOX 1423, BURLINGTON, NC 27216-1423
PO BOX 1424, BURLINGTON, NC 27216-1424
PO BOX 1425, BURLINGTON, NC 27216-1425
PO BOX 1426, BURLINGTON, NC 27216-1426
PO BOX 1427, BURLINGTON, NC 27216-1427
PO BOX 1428, BURLINGTON, NC 27216-1428
PO BOX 1429, BURLINGTON, NC 27216-1429
PO BOX 1430, BURLINGTON, NC 27216-1430
PO BOX 1431, BURLINGTON, NC 27216-1431
PO BOX 1432, BURLINGTON, NC 27216-1432
PO BOX 1433, BURLINGTON, NC 27216-1433
PO BOX 1434, BURLINGTON, NC 27216-1434
PO BOX 1435, BURLINGTON, NC 27216-1435
PO BOX 1436, BURLINGTON, NC 27216-1436
PO BOX 1437, BURLINGTON, NC 27216-1437
PO BOX 1438, BURLINGTON, NC 27216-1438
PO BOX 1439, BURLINGTON, NC 27216-1439
PO BOX 1440, BURLINGTON, NC 27216-1440
PO BOX 1441, BURLINGTON, NC 27216-1441
PO BOX 1442, BURLINGTON, NC 27216-1442
PO BOX 1443, BURLINGTON, NC 27216-1443
PO BOX 1444, BURLINGTON, NC 27216-1444
PO BOX 1445, BURLINGTON, NC 27216-1445
PO BOX 1446, BURLINGTON, NC 27216-1446
PO BOX 1447, BURLINGTON, NC 27216-1447
PO BOX 1448, BURLINGTON, NC 27216-1448
PO BOX 1449, BURLINGTON, NC 27216-1449
PO BOX 1450, BURLINGTON, NC 27216-1450
PO BOX 1451, BURLINGTON, NC 27216-1451
PO BOX 1452, BURLINGTON, NC 27216-1452
PO BOX 1453, BURLINGTON, NC 27216-1453
PO BOX 1454, BURLINGTON, NC 27216-1454
PO BOX 1455, BURLINGTON, NC 27216-1455
PO BOX 1456, BURLINGTON, NC 27216-1456
PO BOX 1457, BURLINGTON, NC 27216-1457
PO BOX 1458, BURLINGTON, NC 27216-1458
PO BOX 1459, BURLINGTON, NC 27216-1459
PO BOX 1460, BURLINGTON, NC 27216-1460
PO BOX 1461, BURLINGTON, NC 27216-1461
PO BOX 1462, BURLINGTON, NC 27216-1462
PO BOX 1463, BURLINGTON, NC 27216-1463
PO BOX 1464, BURLINGTON, NC 27216-1464
PO BOX 1465, BURLINGTON, NC 27216-1465
PO BOX 1466, BURLINGTON, NC 27216-1466
PO BOX 1467, BURLINGTON, NC 27216-1467
PO BOX 1468, BURLINGTON, NC 27216-1468
PO BOX 1469, BURLINGTON, NC 27216-1469
PO BOX 1470, BURLINGTON, NC 27216-1470
PO BOX 1471, BURLINGTON, NC 27216-1471
PO BOX 1472, BURLINGTON, NC 27216-1472
PO BOX 1473, BURLINGTON, NC 27216-1473
PO BOX 1474, BURLINGTON, NC 27216-1474
PO BOX 1475, BURLINGTON, NC 27216-1475
PO BOX 1476, BURLINGTON, NC 27216-1476
PO BOX 1477, BURLINGTON, NC 27216-1477
PO BOX 1478, BURLINGTON, NC 27216-1478
PO BOX 1479, BURLINGTON, NC 27216-1479
PO BOX 1480, BURLINGTON, NC 27216-1480
PO BOX 1481, BURLINGTON, NC 27216-1481
PO BOX 1482, BURLINGTON, NC 27216-1482
PO BOX 1483, BURLINGTON, NC 27216-1483
PO BOX 1484, BURLINGTON, NC 27216-1484
PO BOX 1485, BURLINGTON, NC 27216-1485
PO BOX 1486, BURLINGTON, NC 27216-1486
PO BOX 1487, BURLINGTON, NC 27216-1487
PO BOX 1488, BURLINGTON, NC 27216-1488
PO BOX 1489, BURLINGTON, NC 27216-1489
PO BOX 1490, BURLINGTON, NC 27216-1490
PO BOX 1491, BURLINGTON, NC 27216-1491
PO BOX 1492, BURLINGTON, NC 27216-1492
PO BOX 1493, BURLINGTON, NC 27216-1493
PO BOX 1494, BURLINGTON, NC 27216-1494
PO BOX 1495, BURLINGTON, NC 27216-1495
PO BOX 1496, BURLINGTON, NC 27216-1496
PO BOX 1497, BURLINGTON, NC 27216-1497
PO BOX 1498, BURLINGTON, NC 27216-1498
PO BOX 1499, BURLINGTON, NC 27216-1499
PO BOX 1500, BURLINGTON, NC 27216-1500
PO BOX 1501, BURLINGTON, NC 27216-1501
PO BOX 1502, BURLINGTON, NC 27216-1502
PO BOX 1503, BURLINGTON, NC 27216-1503
PO BOX 1504, BURLINGTON, NC 27216-1504
PO BOX 1505, BURLINGTON, NC 27216-1505
PO BOX 1506, BURLINGTON, NC 27216-1506
PO BOX 1507, BURLINGTON, NC 27216-1507
PO BOX 1508, BURLINGTON, NC 27216-1508
PO BOX 1509, BURLINGTON, NC 27216-1509
PO BOX 1510, BURLINGTON, NC 27216-1510
PO BOX 1511, BURLINGTON, NC 27216-1511
PO BOX 1512, BURLINGTON, NC 27216-1512
PO BOX 1513, BURLINGTON, NC 27216-1513
PO BOX 1514, BURLINGTON, NC 27216-1514
PO BOX 1515, BURLINGTON, NC 27216-1515
PO BOX 1516, BURLINGTON, NC 27216-1516
PO BOX 1517, BURLINGTON, NC 27216-1517
PO BOX 1518, BURLINGTON, NC 27216-1518
PO BOX 1519, BURLINGTON, NC 27216-1519
PO BOX 1520, BURLINGTON, NC 27216-1520
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