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 581, ELMENDORF, TX 78112-0581
PO BOX 582, ELMENDORF, TX 78112-0582
PO BOX 583, ELMENDORF, TX 78112-0583
PO BOX 584, ELMENDORF, TX 78112-0584
PO BOX 585, ELMENDORF, TX 78112-0585
PO BOX 586, ELMENDORF, TX 78112-0586
PO BOX 587, ELMENDORF, TX 78112-0587
PO BOX 588, ELMENDORF, TX 78112-0588
PO BOX 589, ELMENDORF, TX 78112-0589
PO BOX 590, ELMENDORF, TX 78112-0590
PO BOX 591, ELMENDORF, TX 78112-0591
PO BOX 592, ELMENDORF, TX 78112-0592
PO BOX 593, ELMENDORF, TX 78112-0593
PO BOX 594, ELMENDORF, TX 78112-0594
PO BOX 595, ELMENDORF, TX 78112-0595
PO BOX 596, ELMENDORF, TX 78112-0596
PO BOX 597, ELMENDORF, TX 78112-0597
PO BOX 598, ELMENDORF, TX 78112-0598
PO BOX 599, ELMENDORF, TX 78112-0599
PO BOX 600, ELMENDORF, TX 78112-0600
PO BOX 601, ELMENDORF, TX 78112-0601
PO BOX 602, ELMENDORF, TX 78112-0602
PO BOX 603, ELMENDORF, TX 78112-0603
PO BOX 604, ELMENDORF, TX 78112-0604
PO BOX 605, ELMENDORF, TX 78112-0605
PO BOX 606, ELMENDORF, TX 78112-0606
PO BOX 607, ELMENDORF, TX 78112-0607
PO BOX 608, ELMENDORF, TX 78112-0608
PO BOX 609, ELMENDORF, TX 78112-0609
PO BOX 610, ELMENDORF, TX 78112-0610
PO BOX 611, ELMENDORF, TX 78112-0611
PO BOX 612, ELMENDORF, TX 78112-0612
PO BOX 613, ELMENDORF, TX 78112-0613
PO BOX 614, ELMENDORF, TX 78112-0614
PO BOX 615, ELMENDORF, TX 78112-0615
PO BOX 616, ELMENDORF, TX 78112-0616
PO BOX 617, ELMENDORF, TX 78112-0617
PO BOX 618, ELMENDORF, TX 78112-0618
PO BOX 619, ELMENDORF, TX 78112-0619
PO BOX 620, ELMENDORF, TX 78112-0620
PO BOX 621, ELMENDORF, TX 78112-0621
PO BOX 622, ELMENDORF, TX 78112-0622
PO BOX 623, ELMENDORF, TX 78112-0623
PO BOX 624, ELMENDORF, TX 78112-0624
PO BOX 625, ELMENDORF, TX 78112-0625
PO BOX 626, ELMENDORF, TX 78112-0626
PO BOX 627, ELMENDORF, TX 78112-0627
PO BOX 628, ELMENDORF, TX 78112-0628
PO BOX 629, ELMENDORF, TX 78112-0629
PO BOX 630, ELMENDORF, TX 78112-0630
PO BOX 631, ELMENDORF, TX 78112-0631
PO BOX 632, ELMENDORF, TX 78112-0632
PO BOX 633, ELMENDORF, TX 78112-0633
PO BOX 634, ELMENDORF, TX 78112-0634
PO BOX 635, ELMENDORF, TX 78112-0635
PO BOX 636, ELMENDORF, TX 78112-0636
PO BOX 637, ELMENDORF, TX 78112-0637
PO BOX 638, ELMENDORF, TX 78112-0638
PO BOX 639, ELMENDORF, TX 78112-0639
PO BOX 640, ELMENDORF, TX 78112-0640
PO BOX 641, ELMENDORF, TX 78112-0641
PO BOX 642, ELMENDORF, TX 78112-0642
PO BOX 643, ELMENDORF, TX 78112-0643
PO BOX 644, ELMENDORF, TX 78112-0644
PO BOX 645, ELMENDORF, TX 78112-0645
PO BOX 646, ELMENDORF, TX 78112-0646
PO BOX 647, ELMENDORF, TX 78112-0647
PO BOX 648, ELMENDORF, TX 78112-0648
PO BOX 649, ELMENDORF, TX 78112-0649
PO BOX 650, ELMENDORF, TX 78112-0650
PO BOX 651, ELMENDORF, TX 78112-0651
PO BOX 652, ELMENDORF, TX 78112-0652
PO BOX 653, ELMENDORF, TX 78112-0653
PO BOX 654, ELMENDORF, TX 78112-0654
PO BOX 655, ELMENDORF, TX 78112-0655
PO BOX 656, ELMENDORF, TX 78112-0656
PO BOX 657, ELMENDORF, TX 78112-0657
PO BOX 658, ELMENDORF, TX 78112-0658
PO BOX 659, ELMENDORF, TX 78112-0659
PO BOX 660, ELMENDORF, TX 78112-0660
PO BOX 661, ELMENDORF, TX 78112-0661
PO BOX 662, ELMENDORF, TX 78112-0662
PO BOX 663, ELMENDORF, TX 78112-0663
PO BOX 664, ELMENDORF, TX 78112-0664
PO BOX 665, ELMENDORF, TX 78112-0665
PO BOX 666, ELMENDORF, TX 78112-0666
PO BOX 667, ELMENDORF, TX 78112-0667
PO BOX 668, ELMENDORF, TX 78112-0668
PO BOX 669, ELMENDORF, TX 78112-0669
PO BOX 670, ELMENDORF, TX 78112-0670
PO BOX 671, ELMENDORF, TX 78112-0671
PO BOX 672, ELMENDORF, TX 78112-0672
PO BOX 673, ELMENDORF, TX 78112-0673
PO BOX 674, ELMENDORF, TX 78112-0674
PO BOX 675, ELMENDORF, TX 78112-0675
PO BOX 676, ELMENDORF, TX 78112-0676
PO BOX 677, ELMENDORF, TX 78112-0677
PO BOX 678, ELMENDORF, TX 78112-0678
PO BOX 679, ELMENDORF, TX 78112-0679
PO BOX 680, ELMENDORF, TX 78112-0680
PO BOX 681, ELMENDORF, TX 78112-0681
PO BOX 682, ELMENDORF, TX 78112-0682
PO BOX 683, ELMENDORF, TX 78112-0683
PO BOX 684, ELMENDORF, TX 78112-0684
PO BOX 685, ELMENDORF, TX 78112-0685
PO BOX 686, ELMENDORF, TX 78112-0686
PO BOX 687, ELMENDORF, TX 78112-0687
PO BOX 688, ELMENDORF, TX 78112-0688
PO BOX 689, ELMENDORF, TX 78112-0689
PO BOX 690, ELMENDORF, TX 78112-0690
PO BOX 691, ELMENDORF, TX 78112-0691
PO BOX 692, ELMENDORF, TX 78112-0692
PO BOX 693, ELMENDORF, TX 78112-0693
PO BOX 694, ELMENDORF, TX 78112-0694
PO BOX 695, ELMENDORF, TX 78112-0695
PO BOX 696, ELMENDORF, TX 78112-0696
PO BOX 697, ELMENDORF, TX 78112-0697
PO BOX 698, ELMENDORF, TX 78112-0698
PO BOX 699, ELMENDORF, TX 78112-0699
PO BOX 700, ELMENDORF, TX 78112-0700
PO BOX 701, ELMENDORF, TX 78112-0701
PO BOX 702, ELMENDORF, TX 78112-0702
PO BOX 703, ELMENDORF, TX 78112-0703
PO BOX 704, ELMENDORF, TX 78112-0704
PO BOX 705, ELMENDORF, TX 78112-0705
PO BOX 706, ELMENDORF, TX 78112-0706
PO BOX 707, ELMENDORF, TX 78112-0707
PO BOX 708, ELMENDORF, TX 78112-0708
PO BOX 709, ELMENDORF, TX 78112-0709
PO BOX 710, ELMENDORF, TX 78112-0710
PO BOX 711, ELMENDORF, TX 78112-0711
PO BOX 712, ELMENDORF, TX 78112-0712
PO BOX 713, ELMENDORF, TX 78112-0713
PO BOX 714, ELMENDORF, TX 78112-0714
PO BOX 715, ELMENDORF, TX 78112-0715
PO BOX 716, ELMENDORF, TX 78112-0716
PO BOX 717, ELMENDORF, TX 78112-0717
PO BOX 718, ELMENDORF, TX 78112-0718
PO BOX 719, ELMENDORF, TX 78112-0719
PO BOX 720, ELMENDORF, TX 78112-0720
PO BOX 721, ELMENDORF, TX 78112-0721
PO BOX 722, ELMENDORF, TX 78112-0722
PO BOX 723, ELMENDORF, TX 78112-0723
PO BOX 724, ELMENDORF, TX 78112-0724
PO BOX 725, ELMENDORF, TX 78112-0725
PO BOX 726, ELMENDORF, TX 78112-0726
PO BOX 727, ELMENDORF, TX 78112-0727
PO BOX 728, ELMENDORF, TX 78112-0728
PO BOX 729, ELMENDORF, TX 78112-0729
PO BOX 730, ELMENDORF, TX 78112-0730
PO BOX 731, ELMENDORF, TX 78112-0731
PO BOX 732, ELMENDORF, TX 78112-0732
PO BOX 733, ELMENDORF, TX 78112-0733
PO BOX 734, ELMENDORF, TX 78112-0734
PO BOX 735, ELMENDORF, TX 78112-0735
PO BOX 736, ELMENDORF, TX 78112-0736
PO BOX 737, ELMENDORF, TX 78112-0737
PO BOX 738, ELMENDORF, TX 78112-0738
PO BOX 739, ELMENDORF, TX 78112-0739
PO BOX 740, ELMENDORF, TX 78112-0740
PO BOX 741, ELMENDORF, TX 78112-0741
PO BOX 742, ELMENDORF, TX 78112-0742
PO BOX 743, ELMENDORF, TX 78112-0743
PO BOX 744, ELMENDORF, TX 78112-0744
PO BOX 745, ELMENDORF, TX 78112-0745
PO BOX 746, ELMENDORF, TX 78112-0746
PO BOX 747, ELMENDORF, TX 78112-0747
PO BOX 748, ELMENDORF, TX 78112-0748
PO BOX 749, ELMENDORF, TX 78112-0749
PO BOX 750, ELMENDORF, TX 78112-0750
PO BOX 751, ELMENDORF, TX 78112-0751
PO BOX 752, ELMENDORF, TX 78112-0752
PO BOX 753, ELMENDORF, TX 78112-0753
PO BOX 754, ELMENDORF, TX 78112-0754
PO BOX 755, ELMENDORF, TX 78112-0755
PO BOX 756, ELMENDORF, TX 78112-0756
PO BOX 757, ELMENDORF, TX 78112-0757
PO BOX 758, ELMENDORF, TX 78112-0758
PO BOX 759, ELMENDORF, TX 78112-0759
PO BOX 760, ELMENDORF, TX 78112-0760
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