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 481, WEBB CITY, MO 64870-0481
PO BOX 482, WEBB CITY, MO 64870-0482
PO BOX 483, WEBB CITY, MO 64870-0483
PO BOX 484, WEBB CITY, MO 64870-0484
PO BOX 485, WEBB CITY, MO 64870-0485
PO BOX 486, WEBB CITY, MO 64870-0486
PO BOX 487, WEBB CITY, MO 64870-0487
PO BOX 488, WEBB CITY, MO 64870-0488
PO BOX 489, WEBB CITY, MO 64870-0489
PO BOX 490, WEBB CITY, MO 64870-0490
PO BOX 491, WEBB CITY, MO 64870-0491
PO BOX 492, WEBB CITY, MO 64870-0492
PO BOX 493, WEBB CITY, MO 64870-0493
PO BOX 494, WEBB CITY, MO 64870-0494
PO BOX 495, WEBB CITY, MO 64870-0495
PO BOX 496, WEBB CITY, MO 64870-0496
PO BOX 497, WEBB CITY, MO 64870-0497
PO BOX 498, WEBB CITY, MO 64870-0498
PO BOX 499, WEBB CITY, MO 64870-0499
PO BOX 500, WEBB CITY, MO 64870-0500
PO BOX 501, WEBB CITY, MO 64870-0501
PO BOX 502, WEBB CITY, MO 64870-0502
PO BOX 503, WEBB CITY, MO 64870-0503
PO BOX 504, WEBB CITY, MO 64870-0504
PO BOX 505, WEBB CITY, MO 64870-0505
PO BOX 506, WEBB CITY, MO 64870-0506
PO BOX 507, WEBB CITY, MO 64870-0507
PO BOX 508, WEBB CITY, MO 64870-0508
PO BOX 509, WEBB CITY, MO 64870-0509
PO BOX 510, WEBB CITY, MO 64870-0510
PO BOX 511, WEBB CITY, MO 64870-0511
PO BOX 512, WEBB CITY, MO 64870-0512
PO BOX 513, WEBB CITY, MO 64870-0513
PO BOX 514, WEBB CITY, MO 64870-0514
PO BOX 515, WEBB CITY, MO 64870-0515
PO BOX 516, WEBB CITY, MO 64870-0516
PO BOX 517, WEBB CITY, MO 64870-0517
PO BOX 518, WEBB CITY, MO 64870-0518
PO BOX 519, WEBB CITY, MO 64870-0519
PO BOX 520, WEBB CITY, MO 64870-0520
PO BOX 521, WEBB CITY, MO 64870-0521
PO BOX 522, WEBB CITY, MO 64870-0522
PO BOX 523, WEBB CITY, MO 64870-0523
PO BOX 524, WEBB CITY, MO 64870-0524
PO BOX 525, WEBB CITY, MO 64870-0525
PO BOX 526, WEBB CITY, MO 64870-0526
PO BOX 527, WEBB CITY, MO 64870-0527
PO BOX 528, WEBB CITY, MO 64870-0528
PO BOX 529, WEBB CITY, MO 64870-0529
PO BOX 530, WEBB CITY, MO 64870-0530
PO BOX 531, WEBB CITY, MO 64870-0531
PO BOX 532, WEBB CITY, MO 64870-0532
PO BOX 533, WEBB CITY, MO 64870-0533
PO BOX 534, WEBB CITY, MO 64870-0534
PO BOX 535, WEBB CITY, MO 64870-0535
PO BOX 536, WEBB CITY, MO 64870-0536
PO BOX 537, WEBB CITY, MO 64870-0537
PO BOX 538, WEBB CITY, MO 64870-0538
PO BOX 539, WEBB CITY, MO 64870-0539
PO BOX 540, WEBB CITY, MO 64870-0540
PO BOX 541, WEBB CITY, MO 64870-0541
PO BOX 542, WEBB CITY, MO 64870-0542
PO BOX 543, WEBB CITY, MO 64870-0543
PO BOX 544, WEBB CITY, MO 64870-0544
PO BOX 545, WEBB CITY, MO 64870-0545
PO BOX 546, WEBB CITY, MO 64870-0546
PO BOX 547, WEBB CITY, MO 64870-0547
PO BOX 548, WEBB CITY, MO 64870-0548
PO BOX 549, WEBB CITY, MO 64870-0549
PO BOX 550, WEBB CITY, MO 64870-0550
PO BOX 551, WEBB CITY, MO 64870-0551
PO BOX 552, WEBB CITY, MO 64870-0552
PO BOX 553, WEBB CITY, MO 64870-0553
PO BOX 554, WEBB CITY, MO 64870-0554
PO BOX 555, WEBB CITY, MO 64870-0555
PO BOX 556, WEBB CITY, MO 64870-0556
PO BOX 557, WEBB CITY, MO 64870-0557
PO BOX 558, WEBB CITY, MO 64870-0558
PO BOX 559, WEBB CITY, MO 64870-0559
PO BOX 560, WEBB CITY, MO 64870-0560
PO BOX 561, WEBB CITY, MO 64870-0561
PO BOX 562, WEBB CITY, MO 64870-0562
PO BOX 563, WEBB CITY, MO 64870-0563
PO BOX 564, WEBB CITY, MO 64870-0564
PO BOX 565, WEBB CITY, MO 64870-0565
PO BOX 566, WEBB CITY, MO 64870-0566
PO BOX 567, WEBB CITY, MO 64870-0567
PO BOX 568, WEBB CITY, MO 64870-0568
PO BOX 569, WEBB CITY, MO 64870-0569
PO BOX 570, WEBB CITY, MO 64870-0570
PO BOX 571, WEBB CITY, MO 64870-0571
PO BOX 572, WEBB CITY, MO 64870-0572
PO BOX 573, WEBB CITY, MO 64870-0573
PO BOX 574, WEBB CITY, MO 64870-0574
PO BOX 575, WEBB CITY, MO 64870-0575
PO BOX 576, WEBB CITY, MO 64870-0576
PO BOX 577, WEBB CITY, MO 64870-0577
PO BOX 578, WEBB CITY, MO 64870-0578
PO BOX 579, WEBB CITY, MO 64870-0579
PO BOX 580, WEBB CITY, MO 64870-0580
PO BOX 581, WEBB CITY, MO 64870-0581
PO BOX 582, WEBB CITY, MO 64870-0582
PO BOX 583, WEBB CITY, MO 64870-0583
PO BOX 584, WEBB CITY, MO 64870-0584
PO BOX 585, WEBB CITY, MO 64870-0585
PO BOX 586, WEBB CITY, MO 64870-0586
PO BOX 587, WEBB CITY, MO 64870-0587
PO BOX 588, WEBB CITY, MO 64870-0588
PO BOX 589, WEBB CITY, MO 64870-0589
PO BOX 590, WEBB CITY, MO 64870-0590
PO BOX 591, WEBB CITY, MO 64870-0591
PO BOX 592, WEBB CITY, MO 64870-0592
PO BOX 593, WEBB CITY, MO 64870-0593
PO BOX 594, WEBB CITY, MO 64870-0594
PO BOX 595, WEBB CITY, MO 64870-0595
PO BOX 596, WEBB CITY, MO 64870-0596
PO BOX 597, WEBB CITY, MO 64870-0597
PO BOX 598, WEBB CITY, MO 64870-0598
PO BOX 599, WEBB CITY, MO 64870-0599
PO BOX 600, WEBB CITY, MO 64870-0600
PO BOX 601, WEBB CITY, MO 64870-0601
PO BOX 602, WEBB CITY, MO 64870-0602
PO BOX 603, WEBB CITY, MO 64870-0603
PO BOX 604, WEBB CITY, MO 64870-0604
PO BOX 605, WEBB CITY, MO 64870-0605
PO BOX 606, WEBB CITY, MO 64870-0606
PO BOX 607, WEBB CITY, MO 64870-0607
PO BOX 608, WEBB CITY, MO 64870-0608
PO BOX 609, WEBB CITY, MO 64870-0609
PO BOX 610, WEBB CITY, MO 64870-0610
PO BOX 611, WEBB CITY, MO 64870-0611
PO BOX 612, WEBB CITY, MO 64870-0612
PO BOX 613, WEBB CITY, MO 64870-0613
PO BOX 614, WEBB CITY, MO 64870-0614
PO BOX 615, WEBB CITY, MO 64870-0615
PO BOX 616, WEBB CITY, MO 64870-0616
PO BOX 617, WEBB CITY, MO 64870-0617
PO BOX 618, WEBB CITY, MO 64870-0618
PO BOX 619, WEBB CITY, MO 64870-0619
PO BOX 620, WEBB CITY, MO 64870-0620
PO BOX 621, WEBB CITY, MO 64870-0621
PO BOX 622, WEBB CITY, MO 64870-0622
PO BOX 623, WEBB CITY, MO 64870-0623
PO BOX 624, WEBB CITY, MO 64870-0624
PO BOX 625, WEBB CITY, MO 64870-0625
PO BOX 626, WEBB CITY, MO 64870-0626
PO BOX 627, WEBB CITY, MO 64870-0627
PO BOX 628, WEBB CITY, MO 64870-0628
PO BOX 629, WEBB CITY, MO 64870-0629
PO BOX 630, WEBB CITY, MO 64870-0630
PO BOX 631, WEBB CITY, MO 64870-0631
PO BOX 632, WEBB CITY, MO 64870-0632
PO BOX 633, WEBB CITY, MO 64870-0633
PO BOX 634, WEBB CITY, MO 64870-0634
PO BOX 635, WEBB CITY, MO 64870-0635
PO BOX 636, WEBB CITY, MO 64870-0636
PO BOX 637, WEBB CITY, MO 64870-0637
PO BOX 638, WEBB CITY, MO 64870-0638
PO BOX 639, WEBB CITY, MO 64870-0639
PO BOX 640, WEBB CITY, MO 64870-0640
PO BOX 641, WEBB CITY, MO 64870-0641
PO BOX 642, WEBB CITY, MO 64870-0642
PO BOX 643, WEBB CITY, MO 64870-0643
PO BOX 644, WEBB CITY, MO 64870-0644
PO BOX 645, WEBB CITY, MO 64870-0645
PO BOX 646, WEBB CITY, MO 64870-0646
PO BOX 647, WEBB CITY, MO 64870-0647
PO BOX 648, WEBB CITY, MO 64870-0648
PO BOX 649, WEBB CITY, MO 64870-0649
PO BOX 650, WEBB CITY, MO 64870-0650
PO BOX 651, WEBB CITY, MO 64870-0651
PO BOX 652, WEBB CITY, MO 64870-0652
PO BOX 653, WEBB CITY, MO 64870-0653
PO BOX 654, WEBB CITY, MO 64870-0654
PO BOX 655, WEBB CITY, MO 64870-0655
PO BOX 656, WEBB CITY, MO 64870-0656
PO BOX 657, WEBB CITY, MO 64870-0657
PO BOX 658, WEBB CITY, MO 64870-0658
PO BOX 659, WEBB CITY, MO 64870-0659
PO BOX 660, WEBB CITY, MO 64870-0660
PO BOX 661, WEBB CITY, MO 64870-0661
PO BOX 662, WEBB CITY, MO 64870-0662
PO BOX 663, WEBB CITY, MO 64870-0663
PO BOX 664, WEBB CITY, MO 64870-0664
PO BOX 665, WEBB CITY, MO 64870-0665
PO BOX 666, WEBB CITY, MO 64870-0666
PO BOX 667, WEBB CITY, MO 64870-0667
PO BOX 668, WEBB CITY, MO 64870-0668
PO BOX 669, WEBB CITY, MO 64870-0669
PO BOX 670, WEBB CITY, MO 64870-0670
PO BOX 671, WEBB CITY, MO 64870-0671
PO BOX 672, WEBB CITY, MO 64870-0672
PO BOX 673, WEBB CITY, MO 64870-0673
PO BOX 674, WEBB CITY, MO 64870-0674
PO BOX 675, WEBB CITY, MO 64870-0675
PO BOX 676, WEBB CITY, MO 64870-0676
PO BOX 677, WEBB CITY, MO 64870-0677
PO BOX 678, WEBB CITY, MO 64870-0678
PO BOX 679, WEBB CITY, MO 64870-0679
PO BOX 680, WEBB CITY, MO 64870-0680
PO BOX 681, WEBB CITY, MO 64870-0681
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