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, ELLSWORTH, WI 54011-0481
PO BOX 482, ELLSWORTH, WI 54011-0482
PO BOX 483, ELLSWORTH, WI 54011-0483
PO BOX 484, ELLSWORTH, WI 54011-0484
PO BOX 485, ELLSWORTH, WI 54011-0485
PO BOX 486, ELLSWORTH, WI 54011-0486
PO BOX 487, ELLSWORTH, WI 54011-0487
PO BOX 488, ELLSWORTH, WI 54011-0488
PO BOX 489, ELLSWORTH, WI 54011-0489
PO BOX 490, ELLSWORTH, WI 54011-0490
PO BOX 491, ELLSWORTH, WI 54011-0491
PO BOX 492, ELLSWORTH, WI 54011-0492
PO BOX 493, ELLSWORTH, WI 54011-0493
PO BOX 494, ELLSWORTH, WI 54011-0494
PO BOX 495, ELLSWORTH, WI 54011-0495
PO BOX 496, ELLSWORTH, WI 54011-0496
PO BOX 497, ELLSWORTH, WI 54011-0497
PO BOX 498, ELLSWORTH, WI 54011-0498
PO BOX 499, ELLSWORTH, WI 54011-0499
PO BOX 500, ELLSWORTH, WI 54011-0500
PO BOX 501, ELLSWORTH, WI 54011-0501
PO BOX 502, ELLSWORTH, WI 54011-0502
PO BOX 503, ELLSWORTH, WI 54011-0503
PO BOX 504, ELLSWORTH, WI 54011-0504
PO BOX 505, ELLSWORTH, WI 54011-0505
PO BOX 506, ELLSWORTH, WI 54011-0506
PO BOX 507, ELLSWORTH, WI 54011-0507
PO BOX 508, ELLSWORTH, WI 54011-0508
PO BOX 509, ELLSWORTH, WI 54011-0509
PO BOX 510, ELLSWORTH, WI 54011-0510
PO BOX 511, ELLSWORTH, WI 54011-0511
PO BOX 512, ELLSWORTH, WI 54011-0512
PO BOX 513, ELLSWORTH, WI 54011-0513
PO BOX 514, ELLSWORTH, WI 54011-0514
PO BOX 515, ELLSWORTH, WI 54011-0515
PO BOX 516, ELLSWORTH, WI 54011-0516
PO BOX 517, ELLSWORTH, WI 54011-0517
PO BOX 518, ELLSWORTH, WI 54011-0518
PO BOX 519, ELLSWORTH, WI 54011-0519
PO BOX 520, ELLSWORTH, WI 54011-0520
PO BOX 521, ELLSWORTH, WI 54011-0521
PO BOX 522, ELLSWORTH, WI 54011-0522
PO BOX 523, ELLSWORTH, WI 54011-0523
PO BOX 524, ELLSWORTH, WI 54011-0524
PO BOX 525, ELLSWORTH, WI 54011-0525
PO BOX 526, ELLSWORTH, WI 54011-0526
PO BOX 527, ELLSWORTH, WI 54011-0527
PO BOX 528, ELLSWORTH, WI 54011-0528
PO BOX 529, ELLSWORTH, WI 54011-0529
PO BOX 530, ELLSWORTH, WI 54011-0530
PO BOX 531, ELLSWORTH, WI 54011-0531
PO BOX 532, ELLSWORTH, WI 54011-0532
PO BOX 533, ELLSWORTH, WI 54011-0533
PO BOX 534, ELLSWORTH, WI 54011-0534
PO BOX 535, ELLSWORTH, WI 54011-0535
PO BOX 536, ELLSWORTH, WI 54011-0536
PO BOX 537, ELLSWORTH, WI 54011-0537
PO BOX 538, ELLSWORTH, WI 54011-0538
PO BOX 539, ELLSWORTH, WI 54011-0539
PO BOX 540, ELLSWORTH, WI 54011-0540
PO BOX 541, ELLSWORTH, WI 54011-0541
PO BOX 542, ELLSWORTH, WI 54011-0542
PO BOX 543, ELLSWORTH, WI 54011-0543
PO BOX 544, ELLSWORTH, WI 54011-0544
PO BOX 545, ELLSWORTH, WI 54011-0545
PO BOX 546, ELLSWORTH, WI 54011-0546
PO BOX 547, ELLSWORTH, WI 54011-0547
PO BOX 548, ELLSWORTH, WI 54011-0548
PO BOX 549, ELLSWORTH, WI 54011-0549
PO BOX 550, ELLSWORTH, WI 54011-0550
PO BOX 551, ELLSWORTH, WI 54011-0551
PO BOX 552, ELLSWORTH, WI 54011-0552
PO BOX 553, ELLSWORTH, WI 54011-0553
PO BOX 554, ELLSWORTH, WI 54011-0554
PO BOX 555, ELLSWORTH, WI 54011-0555
PO BOX 556, ELLSWORTH, WI 54011-0556
PO BOX 557, ELLSWORTH, WI 54011-0557
PO BOX 558, ELLSWORTH, WI 54011-0558
PO BOX 559, ELLSWORTH, WI 54011-0559
PO BOX 560, ELLSWORTH, WI 54011-0560
PO BOX 561, ELLSWORTH, WI 54011-0561
PO BOX 562, ELLSWORTH, WI 54011-0562
PO BOX 563, ELLSWORTH, WI 54011-0563
PO BOX 564, ELLSWORTH, WI 54011-0564
PO BOX 565, ELLSWORTH, WI 54011-0565
PO BOX 566, ELLSWORTH, WI 54011-0566
PO BOX 567, ELLSWORTH, WI 54011-0567
PO BOX 568, ELLSWORTH, WI 54011-0568
PO BOX 569, ELLSWORTH, WI 54011-0569
PO BOX 570, ELLSWORTH, WI 54011-0570
PO BOX 571, ELLSWORTH, WI 54011-0571
PO BOX 572, ELLSWORTH, WI 54011-0572
PO BOX 573, ELLSWORTH, WI 54011-0573
PO BOX 574, ELLSWORTH, WI 54011-0574
PO BOX 575, ELLSWORTH, WI 54011-0575
PO BOX 576, ELLSWORTH, WI 54011-0576
PO BOX 577, ELLSWORTH, WI 54011-0577
PO BOX 578, ELLSWORTH, WI 54011-0578
PO BOX 579, ELLSWORTH, WI 54011-0579
PO BOX 580, ELLSWORTH, WI 54011-0580
PO BOX 581, ELLSWORTH, WI 54011-0581
PO BOX 582, ELLSWORTH, WI 54011-0582
PO BOX 583, ELLSWORTH, WI 54011-0583
PO BOX 584, ELLSWORTH, WI 54011-0584
PO BOX 585, ELLSWORTH, WI 54011-0585
PO BOX 586, ELLSWORTH, WI 54011-0586
PO BOX 587, ELLSWORTH, WI 54011-0587
PO BOX 588, ELLSWORTH, WI 54011-0588
PO BOX 589, ELLSWORTH, WI 54011-0589
PO BOX 590, ELLSWORTH, WI 54011-0590
PO BOX 591, ELLSWORTH, WI 54011-0591
PO BOX 592, ELLSWORTH, WI 54011-0592
PO BOX 593, ELLSWORTH, WI 54011-0593
PO BOX 594, ELLSWORTH, WI 54011-0594
PO BOX 595, ELLSWORTH, WI 54011-0595
PO BOX 596, ELLSWORTH, WI 54011-0596
PO BOX 597, ELLSWORTH, WI 54011-0597
PO BOX 598, ELLSWORTH, WI 54011-0598
PO BOX 599, ELLSWORTH, WI 54011-0599
PO BOX 600, ELLSWORTH, WI 54011-0600
PO BOX 601, ELLSWORTH, WI 54011-0601
PO BOX 602, ELLSWORTH, WI 54011-0602
PO BOX 603, ELLSWORTH, WI 54011-0603
PO BOX 604, ELLSWORTH, WI 54011-0604
PO BOX 605, ELLSWORTH, WI 54011-0605
PO BOX 606, ELLSWORTH, WI 54011-0606
PO BOX 607, ELLSWORTH, WI 54011-0607
PO BOX 608, ELLSWORTH, WI 54011-0608
PO BOX 609, ELLSWORTH, WI 54011-0609
PO BOX 610, ELLSWORTH, WI 54011-0610
PO BOX 611, ELLSWORTH, WI 54011-0611
PO BOX 612, ELLSWORTH, WI 54011-0612
PO BOX 613, ELLSWORTH, WI 54011-0613
PO BOX 614, ELLSWORTH, WI 54011-0614
PO BOX 615, ELLSWORTH, WI 54011-0615
PO BOX 616, ELLSWORTH, WI 54011-0616
PO BOX 617, ELLSWORTH, WI 54011-0617
PO BOX 618, ELLSWORTH, WI 54011-0618
PO BOX 619, ELLSWORTH, WI 54011-0619
PO BOX 620, ELLSWORTH, WI 54011-0620
PO BOX 621, ELLSWORTH, WI 54011-0621
PO BOX 622, ELLSWORTH, WI 54011-0622
PO BOX 623, ELLSWORTH, WI 54011-0623
PO BOX 624, ELLSWORTH, WI 54011-0624
PO BOX 625, ELLSWORTH, WI 54011-0625
PO BOX 626, ELLSWORTH, WI 54011-0626
PO BOX 627, ELLSWORTH, WI 54011-0627
PO BOX 628, ELLSWORTH, WI 54011-0628
PO BOX 629, ELLSWORTH, WI 54011-0629
PO BOX 630, ELLSWORTH, WI 54011-0630
PO BOX 631, ELLSWORTH, WI 54011-0631
PO BOX 632, ELLSWORTH, WI 54011-0632
PO BOX 633, ELLSWORTH, WI 54011-0633
PO BOX 634, ELLSWORTH, WI 54011-0634
PO BOX 635, ELLSWORTH, WI 54011-0635
PO BOX 636, ELLSWORTH, WI 54011-0636
PO BOX 637, ELLSWORTH, WI 54011-0637
PO BOX 638, ELLSWORTH, WI 54011-0638
PO BOX 639, ELLSWORTH, WI 54011-0639
PO BOX 640, ELLSWORTH, WI 54011-0640
PO BOX 641, ELLSWORTH, WI 54011-0641
PO BOX 642, ELLSWORTH, WI 54011-0642
PO BOX 643, ELLSWORTH, WI 54011-0643
PO BOX 644, ELLSWORTH, WI 54011-0644
PO BOX 645, ELLSWORTH, WI 54011-0645
PO BOX 646, ELLSWORTH, WI 54011-0646
PO BOX 647, ELLSWORTH, WI 54011-0647
PO BOX 648, ELLSWORTH, WI 54011-0648
PO BOX 649, ELLSWORTH, WI 54011-0649
PO BOX 650, ELLSWORTH, WI 54011-0650
PO BOX 651, ELLSWORTH, WI 54011-0651
PO BOX 652, ELLSWORTH, WI 54011-0652
PO BOX 653, ELLSWORTH, WI 54011-0653
PO BOX 654, ELLSWORTH, WI 54011-0654
PO BOX 655, ELLSWORTH, WI 54011-0655
PO BOX 656, ELLSWORTH, WI 54011-0656
PO BOX 657, ELLSWORTH, WI 54011-0657
PO BOX 658, ELLSWORTH, WI 54011-0658
PO BOX 659, ELLSWORTH, WI 54011-0659
PO BOX 660, ELLSWORTH, WI 54011-0660
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