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 601, CHARLOTTE, TX 78011-0601
PO BOX 602, CHARLOTTE, TX 78011-0602
PO BOX 603, CHARLOTTE, TX 78011-0603
PO BOX 604, CHARLOTTE, TX 78011-0604
PO BOX 605, CHARLOTTE, TX 78011-0605
PO BOX 606, CHARLOTTE, TX 78011-0606
PO BOX 607, CHARLOTTE, TX 78011-0607
PO BOX 608, CHARLOTTE, TX 78011-0608
PO BOX 609, CHARLOTTE, TX 78011-0609
PO BOX 610, CHARLOTTE, TX 78011-0610
PO BOX 611, CHARLOTTE, TX 78011-0611
PO BOX 612, CHARLOTTE, TX 78011-0612
PO BOX 613, CHARLOTTE, TX 78011-0613
PO BOX 614, CHARLOTTE, TX 78011-0614
PO BOX 615, CHARLOTTE, TX 78011-0615
PO BOX 616, CHARLOTTE, TX 78011-0616
PO BOX 617, CHARLOTTE, TX 78011-0617
PO BOX 618, CHARLOTTE, TX 78011-0618
PO BOX 619, CHARLOTTE, TX 78011-0619
PO BOX 620, CHARLOTTE, TX 78011-0620
PO BOX 621, CHARLOTTE, TX 78011-0621
PO BOX 622, CHARLOTTE, TX 78011-0622
PO BOX 623, CHARLOTTE, TX 78011-0623
PO BOX 624, CHARLOTTE, TX 78011-0624
PO BOX 625, CHARLOTTE, TX 78011-0625
PO BOX 626, CHARLOTTE, TX 78011-0626
PO BOX 627, CHARLOTTE, TX 78011-0627
PO BOX 628, CHARLOTTE, TX 78011-0628
PO BOX 629, CHARLOTTE, TX 78011-0629
PO BOX 630, CHARLOTTE, TX 78011-0630
PO BOX 631, CHARLOTTE, TX 78011-0631
PO BOX 632, CHARLOTTE, TX 78011-0632
PO BOX 633, CHARLOTTE, TX 78011-0633
PO BOX 634, CHARLOTTE, TX 78011-0634
PO BOX 635, CHARLOTTE, TX 78011-0635
PO BOX 636, CHARLOTTE, TX 78011-0636
PO BOX 637, CHARLOTTE, TX 78011-0637
PO BOX 638, CHARLOTTE, TX 78011-0638
PO BOX 639, CHARLOTTE, TX 78011-0639
PO BOX 640, CHARLOTTE, TX 78011-0640
PO BOX 641, CHARLOTTE, TX 78011-0641
PO BOX 642, CHARLOTTE, TX 78011-0642
PO BOX 643, CHARLOTTE, TX 78011-0643
PO BOX 644, CHARLOTTE, TX 78011-0644
PO BOX 645, CHARLOTTE, TX 78011-0645
PO BOX 646, CHARLOTTE, TX 78011-0646
PO BOX 647, CHARLOTTE, TX 78011-0647
PO BOX 648, CHARLOTTE, TX 78011-0648
PO BOX 649, CHARLOTTE, TX 78011-0649
PO BOX 650, CHARLOTTE, TX 78011-0650
PO BOX 651, CHARLOTTE, TX 78011-0651
PO BOX 652, CHARLOTTE, TX 78011-0652
PO BOX 653, CHARLOTTE, TX 78011-0653
PO BOX 654, CHARLOTTE, TX 78011-0654
PO BOX 655, CHARLOTTE, TX 78011-0655
PO BOX 656, CHARLOTTE, TX 78011-0656
PO BOX 657, CHARLOTTE, TX 78011-0657
PO BOX 658, CHARLOTTE, TX 78011-0658
PO BOX 659, CHARLOTTE, TX 78011-0659
PO BOX 660, CHARLOTTE, TX 78011-0660
PO BOX 661, CHARLOTTE, TX 78011-0661
PO BOX 662, CHARLOTTE, TX 78011-0662
PO BOX 663, CHARLOTTE, TX 78011-0663
PO BOX 664, CHARLOTTE, TX 78011-0664
PO BOX 665, CHARLOTTE, TX 78011-0665
PO BOX 666, CHARLOTTE, TX 78011-0666
PO BOX 667, CHARLOTTE, TX 78011-0667
PO BOX 668, CHARLOTTE, TX 78011-0668
PO BOX 669, CHARLOTTE, TX 78011-0669
PO BOX 670, CHARLOTTE, TX 78011-0670
PO BOX 671, CHARLOTTE, TX 78011-0671
PO BOX 672, CHARLOTTE, TX 78011-0672
PO BOX 673, CHARLOTTE, TX 78011-0673
PO BOX 674, CHARLOTTE, TX 78011-0674
PO BOX 675, CHARLOTTE, TX 78011-0675
PO BOX 676, CHARLOTTE, TX 78011-0676
PO BOX 677, CHARLOTTE, TX 78011-0677
PO BOX 678, CHARLOTTE, TX 78011-0678
PO BOX 679, CHARLOTTE, TX 78011-0679
PO BOX 680, CHARLOTTE, TX 78011-0680
PO BOX 681, CHARLOTTE, TX 78011-0681
PO BOX 682, CHARLOTTE, TX 78011-0682
PO BOX 683, CHARLOTTE, TX 78011-0683
PO BOX 684, CHARLOTTE, TX 78011-0684
PO BOX 685, CHARLOTTE, TX 78011-0685
PO BOX 686, CHARLOTTE, TX 78011-0686
PO BOX 687, CHARLOTTE, TX 78011-0687
PO BOX 688, CHARLOTTE, TX 78011-0688
PO BOX 689, CHARLOTTE, TX 78011-0689
PO BOX 690, CHARLOTTE, TX 78011-0690
PO BOX 691, CHARLOTTE, TX 78011-0691
PO BOX 692, CHARLOTTE, TX 78011-0692
PO BOX 693, CHARLOTTE, TX 78011-0693
PO BOX 694, CHARLOTTE, TX 78011-0694
PO BOX 695, CHARLOTTE, TX 78011-0695
PO BOX 696, CHARLOTTE, TX 78011-0696
PO BOX 697, CHARLOTTE, TX 78011-0697
PO BOX 698, CHARLOTTE, TX 78011-0698
PO BOX 699, CHARLOTTE, TX 78011-0699
PO BOX 700, CHARLOTTE, TX 78011-0700
PO BOX 701, CHARLOTTE, TX 78011-0701
PO BOX 702, CHARLOTTE, TX 78011-0702
PO BOX 703, CHARLOTTE, TX 78011-0703
PO BOX 704, CHARLOTTE, TX 78011-0704
PO BOX 705, CHARLOTTE, TX 78011-0705
PO BOX 706, CHARLOTTE, TX 78011-0706
PO BOX 707, CHARLOTTE, TX 78011-0707
PO BOX 708, CHARLOTTE, TX 78011-0708
PO BOX 709, CHARLOTTE, TX 78011-0709
PO BOX 710, CHARLOTTE, TX 78011-0710
PO BOX 711, CHARLOTTE, TX 78011-0711
PO BOX 712, CHARLOTTE, TX 78011-0712
PO BOX 713, CHARLOTTE, TX 78011-0713
PO BOX 714, CHARLOTTE, TX 78011-0714
PO BOX 715, CHARLOTTE, TX 78011-0715
PO BOX 716, CHARLOTTE, TX 78011-0716
PO BOX 717, CHARLOTTE, TX 78011-0717
PO BOX 718, CHARLOTTE, TX 78011-0718
PO BOX 719, CHARLOTTE, TX 78011-0719
PO BOX 720, CHARLOTTE, TX 78011-0720
PO BOX 721, CHARLOTTE, TX 78011-0721
PO BOX 722, CHARLOTTE, TX 78011-0722
PO BOX 723, CHARLOTTE, TX 78011-0723
PO BOX 724, CHARLOTTE, TX 78011-0724
PO BOX 725, CHARLOTTE, TX 78011-0725
PO BOX 726, CHARLOTTE, TX 78011-0726
PO BOX 727, CHARLOTTE, TX 78011-0727
PO BOX 728, CHARLOTTE, TX 78011-0728
PO BOX 729, CHARLOTTE, TX 78011-0729
PO BOX 730, CHARLOTTE, TX 78011-0730
PO BOX 731, CHARLOTTE, TX 78011-0731
PO BOX 732, CHARLOTTE, TX 78011-0732
PO BOX 733, CHARLOTTE, TX 78011-0733
PO BOX 734, CHARLOTTE, TX 78011-0734
PO BOX 735, CHARLOTTE, TX 78011-0735
PO BOX 736, CHARLOTTE, TX 78011-0736
PO BOX 737, CHARLOTTE, TX 78011-0737
PO BOX 738, CHARLOTTE, TX 78011-0738
PO BOX 739, CHARLOTTE, TX 78011-0739
PO BOX 740, CHARLOTTE, TX 78011-0740
PO BOX 741, CHARLOTTE, TX 78011-0741
PO BOX 742, CHARLOTTE, TX 78011-0742
PO BOX 743, CHARLOTTE, TX 78011-0743
PO BOX 744, CHARLOTTE, TX 78011-0744
PO BOX 745, CHARLOTTE, TX 78011-0745
PO BOX 746, CHARLOTTE, TX 78011-0746
PO BOX 747, CHARLOTTE, TX 78011-0747
PO BOX 748, CHARLOTTE, TX 78011-0748
PO BOX 749, CHARLOTTE, TX 78011-0749
PO BOX 750, CHARLOTTE, TX 78011-0750
PO BOX 751, CHARLOTTE, TX 78011-0751
PO BOX 752, CHARLOTTE, TX 78011-0752
PO BOX 753, CHARLOTTE, TX 78011-0753
PO BOX 754, CHARLOTTE, TX 78011-0754
PO BOX 755, CHARLOTTE, TX 78011-0755
PO BOX 756, CHARLOTTE, TX 78011-0756
PO BOX 757, CHARLOTTE, TX 78011-0757
PO BOX 758, CHARLOTTE, TX 78011-0758
PO BOX 759, CHARLOTTE, TX 78011-0759
PO BOX 760, CHARLOTTE, TX 78011-0760
PO BOX 761, CHARLOTTE, TX 78011-0761
PO BOX 762, CHARLOTTE, TX 78011-0762
PO BOX 763, CHARLOTTE, TX 78011-0763
PO BOX 764, CHARLOTTE, TX 78011-0764
PO BOX 765, CHARLOTTE, TX 78011-0765
PO BOX 766, CHARLOTTE, TX 78011-0766
PO BOX 767, CHARLOTTE, TX 78011-0767
PO BOX 768, CHARLOTTE, TX 78011-0768
PO BOX 769, CHARLOTTE, TX 78011-0769
PO BOX 770, CHARLOTTE, TX 78011-0770
PO BOX 771, CHARLOTTE, TX 78011-0771
PO BOX 772, CHARLOTTE, TX 78011-0772
PO BOX 773, CHARLOTTE, TX 78011-0773
PO BOX 774, CHARLOTTE, TX 78011-0774
PO BOX 775, CHARLOTTE, TX 78011-0775
PO BOX 776, CHARLOTTE, TX 78011-0776
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