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 661, VALLE CRUCIS, NC 28691-0661
PO BOX 662, VALLE CRUCIS, NC 28691-0662
PO BOX 663, VALLE CRUCIS, NC 28691-0663
PO BOX 664, VALLE CRUCIS, NC 28691-0664
PO BOX 665, VALLE CRUCIS, NC 28691-0665
PO BOX 666, VALLE CRUCIS, NC 28691-0666
PO BOX 667, VALLE CRUCIS, NC 28691-0667
PO BOX 668, VALLE CRUCIS, NC 28691-0668
PO BOX 669, VALLE CRUCIS, NC 28691-0669
PO BOX 670, VALLE CRUCIS, NC 28691-0670
PO BOX 671, VALLE CRUCIS, NC 28691-0671
PO BOX 672, VALLE CRUCIS, NC 28691-0672
PO BOX 673, VALLE CRUCIS, NC 28691-0673
PO BOX 674, VALLE CRUCIS, NC 28691-0674
PO BOX 675, VALLE CRUCIS, NC 28691-0675
PO BOX 676, VALLE CRUCIS, NC 28691-0676
PO BOX 677, VALLE CRUCIS, NC 28691-0677
PO BOX 678, VALLE CRUCIS, NC 28691-0678
PO BOX 679, VALLE CRUCIS, NC 28691-0679
PO BOX 680, VALLE CRUCIS, NC 28691-0680
PO BOX 681, VALLE CRUCIS, NC 28691-0681
PO BOX 682, VALLE CRUCIS, NC 28691-0682
PO BOX 683, VALLE CRUCIS, NC 28691-0683
PO BOX 684, VALLE CRUCIS, NC 28691-0684
PO BOX 685, VALLE CRUCIS, NC 28691-0685
PO BOX 686, VALLE CRUCIS, NC 28691-0686
PO BOX 687, VALLE CRUCIS, NC 28691-0687
PO BOX 688, VALLE CRUCIS, NC 28691-0688
PO BOX 689, VALLE CRUCIS, NC 28691-0689
PO BOX 690, VALLE CRUCIS, NC 28691-0690
PO BOX 691, VALLE CRUCIS, NC 28691-0691
PO BOX 692, VALLE CRUCIS, NC 28691-0692
PO BOX 693, VALLE CRUCIS, NC 28691-0693
PO BOX 694, VALLE CRUCIS, NC 28691-0694
PO BOX 695, VALLE CRUCIS, NC 28691-0695
PO BOX 696, VALLE CRUCIS, NC 28691-0696
PO BOX 697, VALLE CRUCIS, NC 28691-0697
PO BOX 698, VALLE CRUCIS, NC 28691-0698
PO BOX 699, VALLE CRUCIS, NC 28691-0699
PO BOX 700, VALLE CRUCIS, NC 28691-0700
PO BOX 701, VALLE CRUCIS, NC 28691-0701
PO BOX 702, VALLE CRUCIS, NC 28691-0702
PO BOX 703, VALLE CRUCIS, NC 28691-0703
PO BOX 704, VALLE CRUCIS, NC 28691-0704
PO BOX 705, VALLE CRUCIS, NC 28691-0705
PO BOX 706, VALLE CRUCIS, NC 28691-0706
PO BOX 707, VALLE CRUCIS, NC 28691-0707
PO BOX 708, VALLE CRUCIS, NC 28691-0708
PO BOX 709, VALLE CRUCIS, NC 28691-0709
PO BOX 710, VALLE CRUCIS, NC 28691-0710
PO BOX 711, VALLE CRUCIS, NC 28691-0711
PO BOX 712, VALLE CRUCIS, NC 28691-0712
PO BOX 713, VALLE CRUCIS, NC 28691-0713
PO BOX 714, VALLE CRUCIS, NC 28691-0714
PO BOX 715, VALLE CRUCIS, NC 28691-0715
PO BOX 716, VALLE CRUCIS, NC 28691-0716
PO BOX 717, VALLE CRUCIS, NC 28691-0717
PO BOX 718, VALLE CRUCIS, NC 28691-0718
PO BOX 719, VALLE CRUCIS, NC 28691-0719
PO BOX 720, VALLE CRUCIS, NC 28691-0720
PO BOX 721, VALLE CRUCIS, NC 28691-0721
PO BOX 722, VALLE CRUCIS, NC 28691-0722
PO BOX 723, VALLE CRUCIS, NC 28691-0723
PO BOX 724, VALLE CRUCIS, NC 28691-0724
PO BOX 725, VALLE CRUCIS, NC 28691-0725
PO BOX 726, VALLE CRUCIS, NC 28691-0726
PO BOX 727, VALLE CRUCIS, NC 28691-0727
PO BOX 728, VALLE CRUCIS, NC 28691-0728
PO BOX 729, VALLE CRUCIS, NC 28691-0729
PO BOX 730, VALLE CRUCIS, NC 28691-0730
PO BOX 731, VALLE CRUCIS, NC 28691-0731
PO BOX 732, VALLE CRUCIS, NC 28691-0732
PO BOX 733, VALLE CRUCIS, NC 28691-0733
PO BOX 734, VALLE CRUCIS, NC 28691-0734
PO BOX 735, VALLE CRUCIS, NC 28691-0735
PO BOX 736, VALLE CRUCIS, NC 28691-0736
PO BOX 737, VALLE CRUCIS, NC 28691-0737
PO BOX 738, VALLE CRUCIS, NC 28691-0738
PO BOX 739, VALLE CRUCIS, NC 28691-0739
PO BOX 740, VALLE CRUCIS, NC 28691-0740
PO BOX 741, VALLE CRUCIS, NC 28691-0741
PO BOX 742, VALLE CRUCIS, NC 28691-0742
PO BOX 743, VALLE CRUCIS, NC 28691-0743
PO BOX 744, VALLE CRUCIS, NC 28691-0744
PO BOX 745, VALLE CRUCIS, NC 28691-0745
PO BOX 746, VALLE CRUCIS, NC 28691-0746
PO BOX 747, VALLE CRUCIS, NC 28691-0747
PO BOX 748, VALLE CRUCIS, NC 28691-0748
PO BOX 749, VALLE CRUCIS, NC 28691-0749
PO BOX 750, VALLE CRUCIS, NC 28691-0750
PO BOX 751, VALLE CRUCIS, NC 28691-0751
PO BOX 752, VALLE CRUCIS, NC 28691-0752
PO BOX 753, VALLE CRUCIS, NC 28691-0753
PO BOX 754, VALLE CRUCIS, NC 28691-0754
PO BOX 755, VALLE CRUCIS, NC 28691-0755
PO BOX 756, VALLE CRUCIS, NC 28691-0756
PO BOX 757, VALLE CRUCIS, NC 28691-0757
PO BOX 758, VALLE CRUCIS, NC 28691-0758
PO BOX 759, VALLE CRUCIS, NC 28691-0759
PO BOX 760, VALLE CRUCIS, NC 28691-0760
PO BOX 761, VALLE CRUCIS, NC 28691-0761
PO BOX 762, VALLE CRUCIS, NC 28691-0762
PO BOX 763, VALLE CRUCIS, NC 28691-0763
PO BOX 764, VALLE CRUCIS, NC 28691-0764
PO BOX 765, VALLE CRUCIS, NC 28691-0765
PO BOX 766, VALLE CRUCIS, NC 28691-0766
PO BOX 767, VALLE CRUCIS, NC 28691-0767
PO BOX 768, VALLE CRUCIS, NC 28691-0768
PO BOX 769, VALLE CRUCIS, NC 28691-0769
PO BOX 770, VALLE CRUCIS, NC 28691-0770
PO BOX 771, VALLE CRUCIS, NC 28691-0771
PO BOX 772, VALLE CRUCIS, NC 28691-0772
PO BOX 773, VALLE CRUCIS, NC 28691-0773
PO BOX 774, VALLE CRUCIS, NC 28691-0774
PO BOX 775, VALLE CRUCIS, NC 28691-0775
PO BOX 776, VALLE CRUCIS, NC 28691-0776
PO BOX 777, VALLE CRUCIS, NC 28691-0777
PO BOX 778, VALLE CRUCIS, NC 28691-0778
PO BOX 779, VALLE CRUCIS, NC 28691-0779
PO BOX 780, VALLE CRUCIS, NC 28691-0780
PO BOX 781, VALLE CRUCIS, NC 28691-0781
PO BOX 782, VALLE CRUCIS, NC 28691-0782
PO BOX 783, VALLE CRUCIS, NC 28691-0783
PO BOX 784, VALLE CRUCIS, NC 28691-0784
PO BOX 785, VALLE CRUCIS, NC 28691-0785
PO BOX 786, VALLE CRUCIS, NC 28691-0786
PO BOX 787, VALLE CRUCIS, NC 28691-0787
PO BOX 788, VALLE CRUCIS, NC 28691-0788
PO BOX 789, VALLE CRUCIS, NC 28691-0789
PO BOX 790, VALLE CRUCIS, NC 28691-0790
PO BOX 791, VALLE CRUCIS, NC 28691-0791
PO BOX 792, VALLE CRUCIS, NC 28691-0792
PO BOX 793, VALLE CRUCIS, NC 28691-0793
PO BOX 794, VALLE CRUCIS, NC 28691-0794
PO BOX 795, VALLE CRUCIS, NC 28691-0795
PO BOX 796, VALLE CRUCIS, NC 28691-0796
PO BOX 797, VALLE CRUCIS, NC 28691-0797
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