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, GREEN COVE SPRINGS, FL 32043-0601
PO BOX 602, GREEN COVE SPRINGS, FL 32043-0602
PO BOX 603, GREEN COVE SPRINGS, FL 32043-0603
PO BOX 604, GREEN COVE SPRINGS, FL 32043-0604
PO BOX 605, GREEN COVE SPRINGS, FL 32043-0605
PO BOX 606, GREEN COVE SPRINGS, FL 32043-0606
PO BOX 607, GREEN COVE SPRINGS, FL 32043-0607
PO BOX 608, GREEN COVE SPRINGS, FL 32043-0608
PO BOX 609, GREEN COVE SPRINGS, FL 32043-0609
PO BOX 610, GREEN COVE SPRINGS, FL 32043-0610
PO BOX 611, GREEN COVE SPRINGS, FL 32043-0611
PO BOX 612, GREEN COVE SPRINGS, FL 32043-0612
PO BOX 613, GREEN COVE SPRINGS, FL 32043-0613
PO BOX 614, GREEN COVE SPRINGS, FL 32043-0614
PO BOX 615, GREEN COVE SPRINGS, FL 32043-0615
PO BOX 616, GREEN COVE SPRINGS, FL 32043-0616
PO BOX 617, GREEN COVE SPRINGS, FL 32043-0617
PO BOX 618, GREEN COVE SPRINGS, FL 32043-0618
PO BOX 619, GREEN COVE SPRINGS, FL 32043-0619
PO BOX 620, GREEN COVE SPRINGS, FL 32043-0620
PO BOX 621, GREEN COVE SPRINGS, FL 32043-0621
PO BOX 622, GREEN COVE SPRINGS, FL 32043-0622
PO BOX 623, GREEN COVE SPRINGS, FL 32043-0623
PO BOX 624, GREEN COVE SPRINGS, FL 32043-0624
PO BOX 625, GREEN COVE SPRINGS, FL 32043-0625
PO BOX 626, GREEN COVE SPRINGS, FL 32043-0626
PO BOX 627, GREEN COVE SPRINGS, FL 32043-0627
PO BOX 628, GREEN COVE SPRINGS, FL 32043-0628
PO BOX 629, GREEN COVE SPRINGS, FL 32043-0629
PO BOX 630, GREEN COVE SPRINGS, FL 32043-0630
PO BOX 631, GREEN COVE SPRINGS, FL 32043-0631
PO BOX 632, GREEN COVE SPRINGS, FL 32043-0632
PO BOX 633, GREEN COVE SPRINGS, FL 32043-0633
PO BOX 634, GREEN COVE SPRINGS, FL 32043-0634
PO BOX 635, GREEN COVE SPRINGS, FL 32043-0635
PO BOX 636, GREEN COVE SPRINGS, FL 32043-0636
PO BOX 637, GREEN COVE SPRINGS, FL 32043-0637
PO BOX 638, GREEN COVE SPRINGS, FL 32043-0638
PO BOX 639, GREEN COVE SPRINGS, FL 32043-0639
PO BOX 640, GREEN COVE SPRINGS, FL 32043-0640
PO BOX 641, GREEN COVE SPRINGS, FL 32043-0641
PO BOX 642, GREEN COVE SPRINGS, FL 32043-0642
PO BOX 643, GREEN COVE SPRINGS, FL 32043-0643
PO BOX 644, GREEN COVE SPRINGS, FL 32043-0644
PO BOX 645, GREEN COVE SPRINGS, FL 32043-0645
PO BOX 646, GREEN COVE SPRINGS, FL 32043-0646
PO BOX 647, GREEN COVE SPRINGS, FL 32043-0647
PO BOX 648, GREEN COVE SPRINGS, FL 32043-0648
PO BOX 649, GREEN COVE SPRINGS, FL 32043-0649
PO BOX 650, GREEN COVE SPRINGS, FL 32043-0650
PO BOX 651, GREEN COVE SPRINGS, FL 32043-0651
PO BOX 652, GREEN COVE SPRINGS, FL 32043-0652
PO BOX 653, GREEN COVE SPRINGS, FL 32043-0653
PO BOX 654, GREEN COVE SPRINGS, FL 32043-0654
PO BOX 655, GREEN COVE SPRINGS, FL 32043-0655
PO BOX 656, GREEN COVE SPRINGS, FL 32043-0656
PO BOX 657, GREEN COVE SPRINGS, FL 32043-0657
PO BOX 658, GREEN COVE SPRINGS, FL 32043-0658
PO BOX 659, GREEN COVE SPRINGS, FL 32043-0659
PO BOX 660, GREEN COVE SPRINGS, FL 32043-0660
PO BOX 661, GREEN COVE SPRINGS, FL 32043-0661
PO BOX 662, GREEN COVE SPRINGS, FL 32043-0662
PO BOX 663, GREEN COVE SPRINGS, FL 32043-0663
PO BOX 664, GREEN COVE SPRINGS, FL 32043-0664
PO BOX 665, GREEN COVE SPRINGS, FL 32043-0665
PO BOX 666, GREEN COVE SPRINGS, FL 32043-0666
PO BOX 667, GREEN COVE SPRINGS, FL 32043-0667
PO BOX 668, GREEN COVE SPRINGS, FL 32043-0668
PO BOX 669, GREEN COVE SPRINGS, FL 32043-0669
PO BOX 670, GREEN COVE SPRINGS, FL 32043-0670
PO BOX 671, GREEN COVE SPRINGS, FL 32043-0671
PO BOX 672, GREEN COVE SPRINGS, FL 32043-0672
PO BOX 673, GREEN COVE SPRINGS, FL 32043-0673
PO BOX 674, GREEN COVE SPRINGS, FL 32043-0674
PO BOX 675, GREEN COVE SPRINGS, FL 32043-0675
PO BOX 676, GREEN COVE SPRINGS, FL 32043-0676
PO BOX 677, GREEN COVE SPRINGS, FL 32043-0677
PO BOX 678, GREEN COVE SPRINGS, FL 32043-0678
PO BOX 679, GREEN COVE SPRINGS, FL 32043-0679
PO BOX 680, GREEN COVE SPRINGS, FL 32043-0680
PO BOX 681, GREEN COVE SPRINGS, FL 32043-0681
PO BOX 682, GREEN COVE SPRINGS, FL 32043-0682
PO BOX 683, GREEN COVE SPRINGS, FL 32043-0683
PO BOX 684, GREEN COVE SPRINGS, FL 32043-0684
PO BOX 685, GREEN COVE SPRINGS, FL 32043-0685
PO BOX 686, GREEN COVE SPRINGS, FL 32043-0686
PO BOX 687, GREEN COVE SPRINGS, FL 32043-0687
PO BOX 688, GREEN COVE SPRINGS, FL 32043-0688
PO BOX 689, GREEN COVE SPRINGS, FL 32043-0689
PO BOX 690, GREEN COVE SPRINGS, FL 32043-0690
PO BOX 691, GREEN COVE SPRINGS, FL 32043-0691
PO BOX 692, GREEN COVE SPRINGS, FL 32043-0692
PO BOX 693, GREEN COVE SPRINGS, FL 32043-0693
PO BOX 694, GREEN COVE SPRINGS, FL 32043-0694
PO BOX 695, GREEN COVE SPRINGS, FL 32043-0695
PO BOX 696, GREEN COVE SPRINGS, FL 32043-0696
PO BOX 697, GREEN COVE SPRINGS, FL 32043-0697
PO BOX 698, GREEN COVE SPRINGS, FL 32043-0698
PO BOX 699, GREEN COVE SPRINGS, FL 32043-0699
PO BOX 700, GREEN COVE SPRINGS, FL 32043-0700
PO BOX 701, GREEN COVE SPRINGS, FL 32043-0701
PO BOX 702, GREEN COVE SPRINGS, FL 32043-0702
PO BOX 703, GREEN COVE SPRINGS, FL 32043-0703
PO BOX 704, GREEN COVE SPRINGS, FL 32043-0704
PO BOX 705, GREEN COVE SPRINGS, FL 32043-0705
PO BOX 706, GREEN COVE SPRINGS, FL 32043-0706
PO BOX 707, GREEN COVE SPRINGS, FL 32043-0707
PO BOX 708, GREEN COVE SPRINGS, FL 32043-0708
PO BOX 709, GREEN COVE SPRINGS, FL 32043-0709
PO BOX 710, GREEN COVE SPRINGS, FL 32043-0710
PO BOX 711, GREEN COVE SPRINGS, FL 32043-0711
PO BOX 712, GREEN COVE SPRINGS, FL 32043-0712
PO BOX 713, GREEN COVE SPRINGS, FL 32043-0713
PO BOX 714, GREEN COVE SPRINGS, FL 32043-0714
PO BOX 715, GREEN COVE SPRINGS, FL 32043-0715
PO BOX 716, GREEN COVE SPRINGS, FL 32043-0716
PO BOX 717, GREEN COVE SPRINGS, FL 32043-0717
PO BOX 718, GREEN COVE SPRINGS, FL 32043-0718
PO BOX 719, GREEN COVE SPRINGS, FL 32043-0719
PO BOX 720, GREEN COVE SPRINGS, FL 32043-0720
PO BOX 721, GREEN COVE SPRINGS, FL 32043-0721
PO BOX 722, GREEN COVE SPRINGS, FL 32043-0722
PO BOX 723, GREEN COVE SPRINGS, FL 32043-0723
PO BOX 724, GREEN COVE SPRINGS, FL 32043-0724
PO BOX 725, GREEN COVE SPRINGS, FL 32043-0725
PO BOX 726, GREEN COVE SPRINGS, FL 32043-0726
PO BOX 727, GREEN COVE SPRINGS, FL 32043-0727
PO BOX 728, GREEN COVE SPRINGS, FL 32043-0728
PO BOX 729, GREEN COVE SPRINGS, FL 32043-0729
PO BOX 730, GREEN COVE SPRINGS, FL 32043-0730
PO BOX 731, GREEN COVE SPRINGS, FL 32043-0731
PO BOX 732, GREEN COVE SPRINGS, FL 32043-0732
PO BOX 733, GREEN COVE SPRINGS, FL 32043-0733
PO BOX 734, GREEN COVE SPRINGS, FL 32043-0734
PO BOX 735, GREEN COVE SPRINGS, FL 32043-0735
PO BOX 736, GREEN COVE SPRINGS, FL 32043-0736
PO BOX 737, GREEN COVE SPRINGS, FL 32043-0737
PO BOX 738, GREEN COVE SPRINGS, FL 32043-0738
PO BOX 739, GREEN COVE SPRINGS, FL 32043-0739
PO BOX 740, GREEN COVE SPRINGS, FL 32043-0740
PO BOX 741, GREEN COVE SPRINGS, FL 32043-0741
PO BOX 742, GREEN COVE SPRINGS, FL 32043-0742
PO BOX 743, GREEN COVE SPRINGS, FL 32043-0743
PO BOX 744, GREEN COVE SPRINGS, FL 32043-0744
PO BOX 745, GREEN COVE SPRINGS, FL 32043-0745
PO BOX 746, GREEN COVE SPRINGS, FL 32043-0746
PO BOX 747, GREEN COVE SPRINGS, FL 32043-0747
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