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 1501, ALAMOGORDO, NM 88311-1501
PO BOX 1502, ALAMOGORDO, NM 88311-1502
PO BOX 1503, ALAMOGORDO, NM 88311-1503
PO BOX 1504, ALAMOGORDO, NM 88311-1504
PO BOX 1505, ALAMOGORDO, NM 88311-1505
PO BOX 1506, ALAMOGORDO, NM 88311-1506
PO BOX 1507, ALAMOGORDO, NM 88311-1507
PO BOX 1508, ALAMOGORDO, NM 88311-1508
PO BOX 1509, ALAMOGORDO, NM 88311-1509
PO BOX 1510, ALAMOGORDO, NM 88311-1510
PO BOX 1511, ALAMOGORDO, NM 88311-1511
PO BOX 1512, ALAMOGORDO, NM 88311-1512
PO BOX 1513, ALAMOGORDO, NM 88311-1513
PO BOX 1514, ALAMOGORDO, NM 88311-1514
PO BOX 1515, ALAMOGORDO, NM 88311-1515
PO BOX 1516, ALAMOGORDO, NM 88311-1516
PO BOX 1517, ALAMOGORDO, NM 88311-1517
PO BOX 1518, ALAMOGORDO, NM 88311-1518
PO BOX 1519, ALAMOGORDO, NM 88311-1519
PO BOX 1520, ALAMOGORDO, NM 88311-1520
PO BOX 1521, ALAMOGORDO, NM 88311-1521
PO BOX 1522, ALAMOGORDO, NM 88311-1522
PO BOX 1523, ALAMOGORDO, NM 88311-1523
PO BOX 1524, ALAMOGORDO, NM 88311-1524
PO BOX 1525, ALAMOGORDO, NM 88311-1525
PO BOX 1526, ALAMOGORDO, NM 88311-1526
PO BOX 1527, ALAMOGORDO, NM 88311-1527
PO BOX 1528, ALAMOGORDO, NM 88311-1528
PO BOX 1529, ALAMOGORDO, NM 88311-1529
PO BOX 1530, ALAMOGORDO, NM 88311-1530
PO BOX 1531, ALAMOGORDO, NM 88311-1531
PO BOX 1532, ALAMOGORDO, NM 88311-1532
PO BOX 1533, ALAMOGORDO, NM 88311-1533
PO BOX 1534, ALAMOGORDO, NM 88311-1534
PO BOX 1535, ALAMOGORDO, NM 88311-1535
PO BOX 1536, ALAMOGORDO, NM 88311-1536
PO BOX 1537, ALAMOGORDO, NM 88311-1537
PO BOX 1538, ALAMOGORDO, NM 88311-1538
PO BOX 1539, ALAMOGORDO, NM 88311-1539
PO BOX 1540, ALAMOGORDO, NM 88311-1540
PO BOX 1541, ALAMOGORDO, NM 88311-1541
PO BOX 1542, ALAMOGORDO, NM 88311-1542
PO BOX 1543, ALAMOGORDO, NM 88311-1543
PO BOX 1544, ALAMOGORDO, NM 88311-1544
PO BOX 1545, ALAMOGORDO, NM 88311-1545
PO BOX 1546, ALAMOGORDO, NM 88311-1546
PO BOX 1547, ALAMOGORDO, NM 88311-1547
PO BOX 1548, ALAMOGORDO, NM 88311-1548
PO BOX 1549, ALAMOGORDO, NM 88311-1549
PO BOX 1550, ALAMOGORDO, NM 88311-1550
PO BOX 1551, ALAMOGORDO, NM 88311-1551
PO BOX 1552, ALAMOGORDO, NM 88311-1552
PO BOX 1553, ALAMOGORDO, NM 88311-1553
PO BOX 1554, ALAMOGORDO, NM 88311-1554
PO BOX 1555, ALAMOGORDO, NM 88311-1555
PO BOX 1556, ALAMOGORDO, NM 88311-1556
PO BOX 1557, ALAMOGORDO, NM 88311-1557
PO BOX 1558, ALAMOGORDO, NM 88311-1558
PO BOX 1559, ALAMOGORDO, NM 88311-1559
PO BOX 1560, ALAMOGORDO, NM 88311-1560
PO BOX 1561, ALAMOGORDO, NM 88311-1561
PO BOX 1562, ALAMOGORDO, NM 88311-1562
PO BOX 1563, ALAMOGORDO, NM 88311-1563
PO BOX 1564, ALAMOGORDO, NM 88311-1564
PO BOX 1565, ALAMOGORDO, NM 88311-1565
PO BOX 1566, ALAMOGORDO, NM 88311-1566
PO BOX 1567, ALAMOGORDO, NM 88311-1567
PO BOX 1568, ALAMOGORDO, NM 88311-1568
PO BOX 1569, ALAMOGORDO, NM 88311-1569
PO BOX 1570, ALAMOGORDO, NM 88311-1570
PO BOX 1571, ALAMOGORDO, NM 88311-1571
PO BOX 1572, ALAMOGORDO, NM 88311-1572
PO BOX 1573, ALAMOGORDO, NM 88311-1573
PO BOX 1574, ALAMOGORDO, NM 88311-1574
PO BOX 1575, ALAMOGORDO, NM 88311-1575
PO BOX 1576, ALAMOGORDO, NM 88311-1576
PO BOX 1577, ALAMOGORDO, NM 88311-1577
PO BOX 1578, ALAMOGORDO, NM 88311-1578
PO BOX 1579, ALAMOGORDO, NM 88311-1579
PO BOX 1580, ALAMOGORDO, NM 88311-1580
PO BOX 1581, ALAMOGORDO, NM 88311-1581
PO BOX 1582, ALAMOGORDO, NM 88311-1582
PO BOX 1583, ALAMOGORDO, NM 88311-1583
PO BOX 1584, ALAMOGORDO, NM 88311-1584
PO BOX 1585, ALAMOGORDO, NM 88311-1585
PO BOX 1586, ALAMOGORDO, NM 88311-1586
PO BOX 1587, ALAMOGORDO, NM 88311-1587
PO BOX 1588, ALAMOGORDO, NM 88311-1588
PO BOX 1589, ALAMOGORDO, NM 88311-1589
PO BOX 1590, ALAMOGORDO, NM 88311-1590
PO BOX 1591, ALAMOGORDO, NM 88311-1591
PO BOX 1592, ALAMOGORDO, NM 88311-1592
PO BOX 1593, ALAMOGORDO, NM 88311-1593
PO BOX 1594, ALAMOGORDO, NM 88311-1594
PO BOX 1595, ALAMOGORDO, NM 88311-1595
PO BOX 1596, ALAMOGORDO, NM 88311-1596
PO BOX 1597, ALAMOGORDO, NM 88311-1597
PO BOX 1598, ALAMOGORDO, NM 88311-1598
PO BOX 1599, ALAMOGORDO, NM 88311-1599
PO BOX 1600, ALAMOGORDO, NM 88311-1600
PO BOX 1601, ALAMOGORDO, NM 88311-1601
PO BOX 1602, ALAMOGORDO, NM 88311-1602
PO BOX 1603, ALAMOGORDO, NM 88311-1603
PO BOX 1604, ALAMOGORDO, NM 88311-1604
PO BOX 1605, ALAMOGORDO, NM 88311-1605
PO BOX 1606, ALAMOGORDO, NM 88311-1606
PO BOX 1607, ALAMOGORDO, NM 88311-1607
PO BOX 1608, ALAMOGORDO, NM 88311-1608
PO BOX 1609, ALAMOGORDO, NM 88311-1609
PO BOX 1610, ALAMOGORDO, NM 88311-1610
PO BOX 1611, ALAMOGORDO, NM 88311-1611
PO BOX 1612, ALAMOGORDO, NM 88311-1612
PO BOX 1613, ALAMOGORDO, NM 88311-1613
PO BOX 1614, ALAMOGORDO, NM 88311-1614
PO BOX 1615, ALAMOGORDO, NM 88311-1615
PO BOX 1616, ALAMOGORDO, NM 88311-1616
PO BOX 1617, ALAMOGORDO, NM 88311-1617
PO BOX 1618, ALAMOGORDO, NM 88311-1618
PO BOX 1619, ALAMOGORDO, NM 88311-1619
PO BOX 1620, ALAMOGORDO, NM 88311-1620
PO BOX 1621, ALAMOGORDO, NM 88311-1621
PO BOX 1622, ALAMOGORDO, NM 88311-1622
PO BOX 1623, ALAMOGORDO, NM 88311-1623
PO BOX 1624, ALAMOGORDO, NM 88311-1624
PO BOX 1625, ALAMOGORDO, NM 88311-1625
PO BOX 1626, ALAMOGORDO, NM 88311-1626
PO BOX 1627, ALAMOGORDO, NM 88311-1627
PO BOX 1628, ALAMOGORDO, NM 88311-1628
PO BOX 1629, ALAMOGORDO, NM 88311-1629
PO BOX 1630, ALAMOGORDO, NM 88311-1630
PO BOX 1631, ALAMOGORDO, NM 88311-1631
PO BOX 1632, ALAMOGORDO, NM 88311-1632
PO BOX 1633, ALAMOGORDO, NM 88311-1633
PO BOX 1634, ALAMOGORDO, NM 88311-1634
PO BOX 1635, ALAMOGORDO, NM 88311-1635
PO BOX 1636, ALAMOGORDO, NM 88311-1636
PO BOX 1637, ALAMOGORDO, NM 88311-1637
PO BOX 1638, ALAMOGORDO, NM 88311-1638
PO BOX 1639, ALAMOGORDO, NM 88311-1639
PO BOX 1640, ALAMOGORDO, NM 88311-1640
PO BOX 1641, ALAMOGORDO, NM 88311-1641
PO BOX 1642, ALAMOGORDO, NM 88311-1642
PO BOX 1643, ALAMOGORDO, NM 88311-1643
PO BOX 1644, ALAMOGORDO, NM 88311-1644
PO BOX 1645, ALAMOGORDO, NM 88311-1645
PO BOX 1646, ALAMOGORDO, NM 88311-1646
PO BOX 1647, ALAMOGORDO, NM 88311-1647
PO BOX 1648, ALAMOGORDO, NM 88311-1648
PO BOX 1649, ALAMOGORDO, NM 88311-1649
PO BOX 1650, ALAMOGORDO, NM 88311-1650
PO BOX 1651, ALAMOGORDO, NM 88311-1651
PO BOX 1652, ALAMOGORDO, NM 88311-1652
PO BOX 1653, ALAMOGORDO, NM 88311-1653
PO BOX 1654, ALAMOGORDO, NM 88311-1654
PO BOX 1655, ALAMOGORDO, NM 88311-1655
PO BOX 1656, ALAMOGORDO, NM 88311-1656
PO BOX 1657, ALAMOGORDO, NM 88311-1657
PO BOX 1658, ALAMOGORDO, NM 88311-1658
PO BOX 1659, ALAMOGORDO, NM 88311-1659
PO BOX 1660, ALAMOGORDO, NM 88311-1660
PO BOX 1661, ALAMOGORDO, NM 88311-1661
PO BOX 1662, ALAMOGORDO, NM 88311-1662
PO BOX 1663, ALAMOGORDO, NM 88311-1663
PO BOX 1664, ALAMOGORDO, NM 88311-1664
PO BOX 1665, ALAMOGORDO, NM 88311-1665
PO BOX 1666, ALAMOGORDO, NM 88311-1666
PO BOX 1667, ALAMOGORDO, NM 88311-1667
PO BOX 1668, ALAMOGORDO, NM 88311-1668
PO BOX 1669, ALAMOGORDO, NM 88311-1669
PO BOX 1670, ALAMOGORDO, NM 88311-1670
PO BOX 1671, ALAMOGORDO, NM 88311-1671
PO BOX 1672, ALAMOGORDO, NM 88311-1672
PO BOX 1673, ALAMOGORDO, NM 88311-1673
PO BOX 1674, ALAMOGORDO, NM 88311-1674
PO BOX 1675, ALAMOGORDO, NM 88311-1675
PO BOX 1676, ALAMOGORDO, NM 88311-1676
PO BOX 1677, ALAMOGORDO, NM 88311-1677
PO BOX 1678, ALAMOGORDO, NM 88311-1678
PO BOX 1679, ALAMOGORDO, NM 88311-1679
PO BOX 1680, ALAMOGORDO, NM 88311-1680
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