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 621, PADUCAH, KY 42002-0621
PO BOX 622, PADUCAH, KY 42002-0622
PO BOX 623, PADUCAH, KY 42002-0623
PO BOX 624, PADUCAH, KY 42002-0624
PO BOX 625, PADUCAH, KY 42002-0625
PO BOX 626, PADUCAH, KY 42002-0626
PO BOX 627, PADUCAH, KY 42002-0627
PO BOX 628, PADUCAH, KY 42002-0628
PO BOX 629, PADUCAH, KY 42002-0629
PO BOX 630, PADUCAH, KY 42002-0630
PO BOX 631, PADUCAH, KY 42002-0631
PO BOX 632, PADUCAH, KY 42002-0632
PO BOX 633, PADUCAH, KY 42002-0633
PO BOX 634, PADUCAH, KY 42002-0634
PO BOX 635, PADUCAH, KY 42002-0635
PO BOX 636, PADUCAH, KY 42002-0636
PO BOX 637, PADUCAH, KY 42002-0637
PO BOX 638, PADUCAH, KY 42002-0638
PO BOX 639, PADUCAH, KY 42002-0639
PO BOX 640, PADUCAH, KY 42002-0640
PO BOX 641, PADUCAH, KY 42002-0641
PO BOX 642, PADUCAH, KY 42002-0642
PO BOX 643, PADUCAH, KY 42002-0643
PO BOX 644, PADUCAH, KY 42002-0644
PO BOX 645, PADUCAH, KY 42002-0645
PO BOX 646, PADUCAH, KY 42002-0646
PO BOX 647, PADUCAH, KY 42002-0647
PO BOX 648, PADUCAH, KY 42002-0648
PO BOX 649, PADUCAH, KY 42002-0649
PO BOX 650, PADUCAH, KY 42002-0650
PO BOX 651, PADUCAH, KY 42002-0651
PO BOX 652, PADUCAH, KY 42002-0652
PO BOX 653, PADUCAH, KY 42002-0653
PO BOX 654, PADUCAH, KY 42002-0654
PO BOX 655, PADUCAH, KY 42002-0655
PO BOX 656, PADUCAH, KY 42002-0656
PO BOX 657, PADUCAH, KY 42002-0657
PO BOX 658, PADUCAH, KY 42002-0658
PO BOX 659, PADUCAH, KY 42002-0659
PO BOX 660, PADUCAH, KY 42002-0660
PO BOX 661, PADUCAH, KY 42002-0661
PO BOX 662, PADUCAH, KY 42002-0662
PO BOX 663, PADUCAH, KY 42002-0663
PO BOX 664, PADUCAH, KY 42002-0664
PO BOX 665, PADUCAH, KY 42002-0665
PO BOX 666, PADUCAH, KY 42002-0666
PO BOX 667, PADUCAH, KY 42002-0667
PO BOX 668, PADUCAH, KY 42002-0668
PO BOX 669, PADUCAH, KY 42002-0669
PO BOX 670, PADUCAH, KY 42002-0670
PO BOX 671, PADUCAH, KY 42002-0671
PO BOX 672, PADUCAH, KY 42002-0672
PO BOX 673, PADUCAH, KY 42002-0673
PO BOX 674, PADUCAH, KY 42002-0674
PO BOX 675, PADUCAH, KY 42002-0675
PO BOX 676, PADUCAH, KY 42002-0676
PO BOX 677, PADUCAH, KY 42002-0677
PO BOX 678, PADUCAH, KY 42002-0678
PO BOX 679, PADUCAH, KY 42002-0679
PO BOX 680, PADUCAH, KY 42002-0680
PO BOX 681, PADUCAH, KY 42002-0681
PO BOX 682, PADUCAH, KY 42002-0682
PO BOX 683, PADUCAH, KY 42002-0683
PO BOX 684, PADUCAH, KY 42002-0684
PO BOX 685, PADUCAH, KY 42002-0685
PO BOX 686, PADUCAH, KY 42002-0686
PO BOX 687, PADUCAH, KY 42002-0687
PO BOX 688, PADUCAH, KY 42002-0688
PO BOX 689, PADUCAH, KY 42002-0689
PO BOX 690, PADUCAH, KY 42002-0690
PO BOX 691, PADUCAH, KY 42002-0691
PO BOX 692, PADUCAH, KY 42002-0692
PO BOX 693, PADUCAH, KY 42002-0693
PO BOX 694, PADUCAH, KY 42002-0694
PO BOX 695, PADUCAH, KY 42002-0695
PO BOX 696, PADUCAH, KY 42002-0696
PO BOX 697, PADUCAH, KY 42002-0697
PO BOX 698, PADUCAH, KY 42002-0698
PO BOX 699, PADUCAH, KY 42002-0699
PO BOX 700, PADUCAH, KY 42002-0700
PO BOX 701, PADUCAH, KY 42002-0701
PO BOX 702, PADUCAH, KY 42002-0702
PO BOX 703, PADUCAH, KY 42002-0703
PO BOX 704, PADUCAH, KY 42002-0704
PO BOX 705, PADUCAH, KY 42002-0705
PO BOX 706, PADUCAH, KY 42002-0706
PO BOX 707, PADUCAH, KY 42002-0707
PO BOX 708, PADUCAH, KY 42002-0708
PO BOX 709, PADUCAH, KY 42002-0709
PO BOX 710, PADUCAH, KY 42002-0710
PO BOX 711, PADUCAH, KY 42002-0711
PO BOX 712, PADUCAH, KY 42002-0712
PO BOX 713, PADUCAH, KY 42002-0713
PO BOX 714, PADUCAH, KY 42002-0714
PO BOX 715, PADUCAH, KY 42002-0715
PO BOX 716, PADUCAH, KY 42002-0716
PO BOX 717, PADUCAH, KY 42002-0717
PO BOX 718, PADUCAH, KY 42002-0718
PO BOX 719, PADUCAH, KY 42002-0719
PO BOX 720, PADUCAH, KY 42002-0720
PO BOX 721, PADUCAH, KY 42002-0721
PO BOX 722, PADUCAH, KY 42002-0722
PO BOX 723, PADUCAH, KY 42002-0723
PO BOX 724, PADUCAH, KY 42002-0724
PO BOX 725, PADUCAH, KY 42002-0725
PO BOX 726, PADUCAH, KY 42002-0726
PO BOX 727, PADUCAH, KY 42002-0727
PO BOX 728, PADUCAH, KY 42002-0728
PO BOX 729, PADUCAH, KY 42002-0729
PO BOX 730, PADUCAH, KY 42002-0730
PO BOX 731, PADUCAH, KY 42002-0731
PO BOX 732, PADUCAH, KY 42002-0732
PO BOX 733, PADUCAH, KY 42002-0733
PO BOX 734, PADUCAH, KY 42002-0734
PO BOX 735, PADUCAH, KY 42002-0735
PO BOX 736, PADUCAH, KY 42002-0736
PO BOX 737, PADUCAH, KY 42002-0737
PO BOX 738, PADUCAH, KY 42002-0738
PO BOX 739, PADUCAH, KY 42002-0739
PO BOX 740, PADUCAH, KY 42002-0740
PO BOX 741, PADUCAH, KY 42002-0741
PO BOX 742, PADUCAH, KY 42002-0742
PO BOX 743, PADUCAH, KY 42002-0743
PO BOX 744, PADUCAH, KY 42002-0744
PO BOX 745, PADUCAH, KY 42002-0745
PO BOX 746, PADUCAH, KY 42002-0746
PO BOX 747, PADUCAH, KY 42002-0747
PO BOX 748, PADUCAH, KY 42002-0748
PO BOX 749, PADUCAH, KY 42002-0749
PO BOX 750, PADUCAH, KY 42002-0750
PO BOX 751, PADUCAH, KY 42002-0751
PO BOX 752, PADUCAH, KY 42002-0752
PO BOX 753, PADUCAH, KY 42002-0753
PO BOX 754, PADUCAH, KY 42002-0754
PO BOX 755, PADUCAH, KY 42002-0755
PO BOX 756, PADUCAH, KY 42002-0756
PO BOX 757, PADUCAH, KY 42002-0757
PO BOX 758, PADUCAH, KY 42002-0758
PO BOX 759, PADUCAH, KY 42002-0759
PO BOX 760, PADUCAH, KY 42002-0760
PO BOX 761, PADUCAH, KY 42002-0761
PO BOX 762, PADUCAH, KY 42002-0762
PO BOX 763, PADUCAH, KY 42002-0763
PO BOX 764, PADUCAH, KY 42002-0764
PO BOX 765, PADUCAH, KY 42002-0765
PO BOX 766, PADUCAH, KY 42002-0766
PO BOX 767, PADUCAH, KY 42002-0767
PO BOX 768, PADUCAH, KY 42002-0768
PO BOX 769, PADUCAH, KY 42002-0769
PO BOX 770, PADUCAH, KY 42002-0770
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