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 561, CAMPBELLSVILLE, KY 42719-0561
PO BOX 562, CAMPBELLSVILLE, KY 42719-0562
PO BOX 563, CAMPBELLSVILLE, KY 42719-0563
PO BOX 564, CAMPBELLSVILLE, KY 42719-0564
PO BOX 565, CAMPBELLSVILLE, KY 42719-0565
PO BOX 566, CAMPBELLSVILLE, KY 42719-0566
PO BOX 567, CAMPBELLSVILLE, KY 42719-0567
PO BOX 568, CAMPBELLSVILLE, KY 42719-0568
PO BOX 569, CAMPBELLSVILLE, KY 42719-0569
PO BOX 570, CAMPBELLSVILLE, KY 42719-0570
PO BOX 571, CAMPBELLSVILLE, KY 42719-0571
PO BOX 572, CAMPBELLSVILLE, KY 42719-0572
PO BOX 573, CAMPBELLSVILLE, KY 42719-0573
PO BOX 574, CAMPBELLSVILLE, KY 42719-0574
PO BOX 575, CAMPBELLSVILLE, KY 42719-0575
PO BOX 576, CAMPBELLSVILLE, KY 42719-0576
PO BOX 577, CAMPBELLSVILLE, KY 42719-0577
PO BOX 578, CAMPBELLSVILLE, KY 42719-0578
PO BOX 579, CAMPBELLSVILLE, KY 42719-0579
PO BOX 580, CAMPBELLSVILLE, KY 42719-0580
PO BOX 581, CAMPBELLSVILLE, KY 42719-0581
PO BOX 582, CAMPBELLSVILLE, KY 42719-0582
PO BOX 583, CAMPBELLSVILLE, KY 42719-0583
PO BOX 584, CAMPBELLSVILLE, KY 42719-0584
PO BOX 585, CAMPBELLSVILLE, KY 42719-0585
PO BOX 586, CAMPBELLSVILLE, KY 42719-0586
PO BOX 587, CAMPBELLSVILLE, KY 42719-0587
PO BOX 588, CAMPBELLSVILLE, KY 42719-0588
PO BOX 589, CAMPBELLSVILLE, KY 42719-0589
PO BOX 590, CAMPBELLSVILLE, KY 42719-0590
PO BOX 591, CAMPBELLSVILLE, KY 42719-0591
PO BOX 592, CAMPBELLSVILLE, KY 42719-0592
PO BOX 593, CAMPBELLSVILLE, KY 42719-0593
PO BOX 594, CAMPBELLSVILLE, KY 42719-0594
PO BOX 595, CAMPBELLSVILLE, KY 42719-0595
PO BOX 596, CAMPBELLSVILLE, KY 42719-0596
PO BOX 597, CAMPBELLSVILLE, KY 42719-0597
PO BOX 598, CAMPBELLSVILLE, KY 42719-0598
PO BOX 599, CAMPBELLSVILLE, KY 42719-0599
PO BOX 600, CAMPBELLSVILLE, KY 42719-0600
PO BOX 601, CAMPBELLSVILLE, KY 42719-0601
PO BOX 602, CAMPBELLSVILLE, KY 42719-0602
PO BOX 603, CAMPBELLSVILLE, KY 42719-0603
PO BOX 604, CAMPBELLSVILLE, KY 42719-0604
PO BOX 605, CAMPBELLSVILLE, KY 42719-0605
PO BOX 606, CAMPBELLSVILLE, KY 42719-0606
PO BOX 607, CAMPBELLSVILLE, KY 42719-0607
PO BOX 608, CAMPBELLSVILLE, KY 42719-0608
PO BOX 609, CAMPBELLSVILLE, KY 42719-0609
PO BOX 610, CAMPBELLSVILLE, KY 42719-0610
PO BOX 611, CAMPBELLSVILLE, KY 42719-0611
PO BOX 612, CAMPBELLSVILLE, KY 42719-0612
PO BOX 613, CAMPBELLSVILLE, KY 42719-0613
PO BOX 614, CAMPBELLSVILLE, KY 42719-0614
PO BOX 615, CAMPBELLSVILLE, KY 42719-0615
PO BOX 616, CAMPBELLSVILLE, KY 42719-0616
PO BOX 617, CAMPBELLSVILLE, KY 42719-0617
PO BOX 618, CAMPBELLSVILLE, KY 42719-0618
PO BOX 619, CAMPBELLSVILLE, KY 42719-0619
PO BOX 620, CAMPBELLSVILLE, KY 42719-0620
PO BOX 621, CAMPBELLSVILLE, KY 42719-0621
PO BOX 622, CAMPBELLSVILLE, KY 42719-0622
PO BOX 623, CAMPBELLSVILLE, KY 42719-0623
PO BOX 624, CAMPBELLSVILLE, KY 42719-0624
PO BOX 625, CAMPBELLSVILLE, KY 42719-0625
PO BOX 626, CAMPBELLSVILLE, KY 42719-0626
PO BOX 627, CAMPBELLSVILLE, KY 42719-0627
PO BOX 628, CAMPBELLSVILLE, KY 42719-0628
PO BOX 629, CAMPBELLSVILLE, KY 42719-0629
PO BOX 630, CAMPBELLSVILLE, KY 42719-0630
PO BOX 631, CAMPBELLSVILLE, KY 42719-0631
PO BOX 632, CAMPBELLSVILLE, KY 42719-0632
PO BOX 633, CAMPBELLSVILLE, KY 42719-0633
PO BOX 634, CAMPBELLSVILLE, KY 42719-0634
PO BOX 635, CAMPBELLSVILLE, KY 42719-0635
PO BOX 636, CAMPBELLSVILLE, KY 42719-0636
PO BOX 637, CAMPBELLSVILLE, KY 42719-0637
PO BOX 638, CAMPBELLSVILLE, KY 42719-0638
PO BOX 639, CAMPBELLSVILLE, KY 42719-0639
PO BOX 640, CAMPBELLSVILLE, KY 42719-0640
PO BOX 641, CAMPBELLSVILLE, KY 42719-0641
PO BOX 642, CAMPBELLSVILLE, KY 42719-0642
PO BOX 643, CAMPBELLSVILLE, KY 42719-0643
PO BOX 644, CAMPBELLSVILLE, KY 42719-0644
PO BOX 645, CAMPBELLSVILLE, KY 42719-0645
PO BOX 646, CAMPBELLSVILLE, KY 42719-0646
PO BOX 647, CAMPBELLSVILLE, KY 42719-0647
PO BOX 648, CAMPBELLSVILLE, KY 42719-0648
PO BOX 649, CAMPBELLSVILLE, KY 42719-0649
PO BOX 650, CAMPBELLSVILLE, KY 42719-0650
PO BOX 651, CAMPBELLSVILLE, KY 42719-0651
PO BOX 652, CAMPBELLSVILLE, KY 42719-0652
PO BOX 653, CAMPBELLSVILLE, KY 42719-0653
PO BOX 654, CAMPBELLSVILLE, KY 42719-0654
PO BOX 655, CAMPBELLSVILLE, KY 42719-0655
PO BOX 656, CAMPBELLSVILLE, KY 42719-0656
PO BOX 657, CAMPBELLSVILLE, KY 42719-0657
PO BOX 658, CAMPBELLSVILLE, KY 42719-0658
PO BOX 659, CAMPBELLSVILLE, KY 42719-0659
PO BOX 660, CAMPBELLSVILLE, KY 42719-0660
PO BOX 661, CAMPBELLSVILLE, KY 42719-0661
PO BOX 662, CAMPBELLSVILLE, KY 42719-0662
PO BOX 663, CAMPBELLSVILLE, KY 42719-0663
PO BOX 664, CAMPBELLSVILLE, KY 42719-0664
PO BOX 665, CAMPBELLSVILLE, KY 42719-0665
PO BOX 666, CAMPBELLSVILLE, KY 42719-0666
PO BOX 667, CAMPBELLSVILLE, KY 42719-0667
PO BOX 668, CAMPBELLSVILLE, KY 42719-0668
PO BOX 669, CAMPBELLSVILLE, KY 42719-0669
PO BOX 670, CAMPBELLSVILLE, KY 42719-0670
PO BOX 671, CAMPBELLSVILLE, KY 42719-0671
PO BOX 672, CAMPBELLSVILLE, KY 42719-0672
PO BOX 673, CAMPBELLSVILLE, KY 42719-0673
PO BOX 674, CAMPBELLSVILLE, KY 42719-0674
PO BOX 675, CAMPBELLSVILLE, KY 42719-0675
PO BOX 676, CAMPBELLSVILLE, KY 42719-0676
PO BOX 677, CAMPBELLSVILLE, KY 42719-0677
PO BOX 678, CAMPBELLSVILLE, KY 42719-0678
PO BOX 679, CAMPBELLSVILLE, KY 42719-0679
PO BOX 680, CAMPBELLSVILLE, KY 42719-0680
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