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, KARNES CITY, TX 78118-0481
PO BOX 482, KARNES CITY, TX 78118-0482
PO BOX 483, KARNES CITY, TX 78118-0483
PO BOX 484, KARNES CITY, TX 78118-0484
PO BOX 485, KARNES CITY, TX 78118-0485
PO BOX 486, KARNES CITY, TX 78118-0486
PO BOX 487, KARNES CITY, TX 78118-0487
PO BOX 488, KARNES CITY, TX 78118-0488
PO BOX 489, KARNES CITY, TX 78118-0489
PO BOX 490, KARNES CITY, TX 78118-0490
PO BOX 491, KARNES CITY, TX 78118-0491
PO BOX 492, KARNES CITY, TX 78118-0492
PO BOX 493, KARNES CITY, TX 78118-0493
PO BOX 494, KARNES CITY, TX 78118-0494
PO BOX 495, KARNES CITY, TX 78118-0495
PO BOX 496, KARNES CITY, TX 78118-0496
PO BOX 497, KARNES CITY, TX 78118-0497
PO BOX 498, KARNES CITY, TX 78118-0498
PO BOX 499, KARNES CITY, TX 78118-0499
PO BOX 500, KARNES CITY, TX 78118-0500
PO BOX 501, KARNES CITY, TX 78118-0501
PO BOX 502, KARNES CITY, TX 78118-0502
PO BOX 503, KARNES CITY, TX 78118-0503
PO BOX 504, KARNES CITY, TX 78118-0504
PO BOX 505, KARNES CITY, TX 78118-0505
PO BOX 506, KARNES CITY, TX 78118-0506
PO BOX 507, KARNES CITY, TX 78118-0507
PO BOX 508, KARNES CITY, TX 78118-0508
PO BOX 509, KARNES CITY, TX 78118-0509
PO BOX 510, KARNES CITY, TX 78118-0510
PO BOX 511, KARNES CITY, TX 78118-0511
PO BOX 512, KARNES CITY, TX 78118-0512
PO BOX 513, KARNES CITY, TX 78118-0513
PO BOX 514, KARNES CITY, TX 78118-0514
PO BOX 515, KARNES CITY, TX 78118-0515
PO BOX 516, KARNES CITY, TX 78118-0516
PO BOX 517, KARNES CITY, TX 78118-0517
PO BOX 518, KARNES CITY, TX 78118-0518
PO BOX 519, KARNES CITY, TX 78118-0519
PO BOX 520, KARNES CITY, TX 78118-0520
PO BOX 521, KARNES CITY, TX 78118-0521
PO BOX 522, KARNES CITY, TX 78118-0522
PO BOX 523, KARNES CITY, TX 78118-0523
PO BOX 524, KARNES CITY, TX 78118-0524
PO BOX 525, KARNES CITY, TX 78118-0525
PO BOX 526, KARNES CITY, TX 78118-0526
PO BOX 527, KARNES CITY, TX 78118-0527
PO BOX 528, KARNES CITY, TX 78118-0528
PO BOX 529, KARNES CITY, TX 78118-0529
PO BOX 530, KARNES CITY, TX 78118-0530
PO BOX 531, KARNES CITY, TX 78118-0531
PO BOX 532, KARNES CITY, TX 78118-0532
PO BOX 533, KARNES CITY, TX 78118-0533
PO BOX 534, KARNES CITY, TX 78118-0534
PO BOX 535, KARNES CITY, TX 78118-0535
PO BOX 536, KARNES CITY, TX 78118-0536
PO BOX 537, KARNES CITY, TX 78118-0537
PO BOX 538, KARNES CITY, TX 78118-0538
PO BOX 539, KARNES CITY, TX 78118-0539
PO BOX 540, KARNES CITY, TX 78118-0540
PO BOX 541, KARNES CITY, TX 78118-0541
PO BOX 542, KARNES CITY, TX 78118-0542
PO BOX 543, KARNES CITY, TX 78118-0543
PO BOX 544, KARNES CITY, TX 78118-0544
PO BOX 545, KARNES CITY, TX 78118-0545
PO BOX 546, KARNES CITY, TX 78118-0546
PO BOX 547, KARNES CITY, TX 78118-0547
PO BOX 548, KARNES CITY, TX 78118-0548
PO BOX 549, KARNES CITY, TX 78118-0549
PO BOX 550, KARNES CITY, TX 78118-0550
PO BOX 551, KARNES CITY, TX 78118-0551
PO BOX 552, KARNES CITY, TX 78118-0552
PO BOX 553, KARNES CITY, TX 78118-0553
PO BOX 554, KARNES CITY, TX 78118-0554
PO BOX 555, KARNES CITY, TX 78118-0555
PO BOX 556, KARNES CITY, TX 78118-0556
PO BOX 557, KARNES CITY, TX 78118-0557
PO BOX 558, KARNES CITY, TX 78118-0558
PO BOX 559, KARNES CITY, TX 78118-0559
PO BOX 560, KARNES CITY, TX 78118-0560
PO BOX 561, KARNES CITY, TX 78118-0561
PO BOX 562, KARNES CITY, TX 78118-0562
PO BOX 563, KARNES CITY, TX 78118-0563
PO BOX 564, KARNES CITY, TX 78118-0564
PO BOX 565, KARNES CITY, TX 78118-0565
PO BOX 566, KARNES CITY, TX 78118-0566
PO BOX 567, KARNES CITY, TX 78118-0567
PO BOX 568, KARNES CITY, TX 78118-0568
PO BOX 569, KARNES CITY, TX 78118-0569
PO BOX 570, KARNES CITY, TX 78118-0570
PO BOX 571, KARNES CITY, TX 78118-0571
PO BOX 572, KARNES CITY, TX 78118-0572
PO BOX 573, KARNES CITY, TX 78118-0573
PO BOX 574, KARNES CITY, TX 78118-0574
PO BOX 575, KARNES CITY, TX 78118-0575
PO BOX 576, KARNES CITY, TX 78118-0576
PO BOX 577, KARNES CITY, TX 78118-0577
PO BOX 578, KARNES CITY, TX 78118-0578
PO BOX 579, KARNES CITY, TX 78118-0579
PO BOX 580, KARNES CITY, TX 78118-0580
PO BOX 581, KARNES CITY, TX 78118-0581
PO BOX 582, KARNES CITY, TX 78118-0582
PO BOX 583, KARNES CITY, TX 78118-0583
PO BOX 584, KARNES CITY, TX 78118-0584
PO BOX 585, KARNES CITY, TX 78118-0585
PO BOX 586, KARNES CITY, TX 78118-0586
PO BOX 587, KARNES CITY, TX 78118-0587
PO BOX 588, KARNES CITY, TX 78118-0588
PO BOX 589, KARNES CITY, TX 78118-0589
PO BOX 590, KARNES CITY, TX 78118-0590
PO BOX 591, KARNES CITY, TX 78118-0591
PO BOX 592, KARNES CITY, TX 78118-0592
PO BOX 593, KARNES CITY, TX 78118-0593
PO BOX 594, KARNES CITY, TX 78118-0594
PO BOX 595, KARNES CITY, TX 78118-0595
PO BOX 596, KARNES CITY, TX 78118-0596
PO BOX 597, KARNES CITY, TX 78118-0597
PO BOX 598, KARNES CITY, TX 78118-0598
PO BOX 599, KARNES CITY, TX 78118-0599
PO BOX 600, KARNES CITY, TX 78118-0600
PO BOX 601, KARNES CITY, TX 78118-0601
PO BOX 602, KARNES CITY, TX 78118-0602
PO BOX 603, KARNES CITY, TX 78118-0603
PO BOX 604, KARNES CITY, TX 78118-0604
PO BOX 605, KARNES CITY, TX 78118-0605
PO BOX 606, KARNES CITY, TX 78118-0606
PO BOX 607, KARNES CITY, TX 78118-0607
PO BOX 608, KARNES CITY, TX 78118-0608
PO BOX 609, KARNES CITY, TX 78118-0609
PO BOX 610, KARNES CITY, TX 78118-0610
PO BOX 611, KARNES CITY, TX 78118-0611
PO BOX 612, KARNES CITY, TX 78118-0612
PO BOX 613, KARNES CITY, TX 78118-0613
PO BOX 614, KARNES CITY, TX 78118-0614
PO BOX 615, KARNES CITY, TX 78118-0615
PO BOX 616, KARNES CITY, TX 78118-0616
PO BOX 617, KARNES CITY, TX 78118-0617
PO BOX 618, KARNES CITY, TX 78118-0618
PO BOX 619, KARNES CITY, TX 78118-0619
PO BOX 620, KARNES CITY, TX 78118-0620
PO BOX 621, KARNES CITY, TX 78118-0621
PO BOX 622, KARNES CITY, TX 78118-0622
PO BOX 623, KARNES CITY, TX 78118-0623
PO BOX 624, KARNES CITY, TX 78118-0624
PO BOX 625, KARNES CITY, TX 78118-0625
PO BOX 626, KARNES CITY, TX 78118-0626
PO BOX 627, KARNES CITY, TX 78118-0627
PO BOX 628, KARNES CITY, TX 78118-0628
PO BOX 629, KARNES CITY, TX 78118-0629
PO BOX 630, KARNES CITY, TX 78118-0630
PO BOX 631, KARNES CITY, TX 78118-0631
PO BOX 632, KARNES CITY, TX 78118-0632
PO BOX 633, KARNES CITY, TX 78118-0633
PO BOX 634, KARNES CITY, TX 78118-0634
PO BOX 635, KARNES CITY, TX 78118-0635
PO BOX 636, KARNES CITY, TX 78118-0636
PO BOX 637, KARNES CITY, TX 78118-0637
PO BOX 638, KARNES CITY, TX 78118-0638
PO BOX 639, KARNES CITY, TX 78118-0639
PO BOX 640, KARNES CITY, TX 78118-0640
PO BOX 641, KARNES CITY, TX 78118-0641
PO BOX 642, KARNES CITY, TX 78118-0642
PO BOX 643, KARNES CITY, TX 78118-0643
PO BOX 644, KARNES CITY, TX 78118-0644
PO BOX 645, KARNES CITY, TX 78118-0645
PO BOX 646, KARNES CITY, TX 78118-0646
PO BOX 647, KARNES CITY, TX 78118-0647
PO BOX 648, KARNES CITY, TX 78118-0648
PO BOX 649, KARNES CITY, TX 78118-0649
PO BOX 650, KARNES CITY, TX 78118-0650
PO BOX 651, KARNES CITY, TX 78118-0651
PO BOX 652, KARNES CITY, TX 78118-0652
PO BOX 653, KARNES CITY, TX 78118-0653
PO BOX 654, KARNES CITY, TX 78118-0654
PO BOX 655, KARNES CITY, TX 78118-0655
PO BOX 656, KARNES CITY, TX 78118-0656
PO BOX 657, KARNES CITY, TX 78118-0657
PO BOX 658, KARNES CITY, TX 78118-0658
PO BOX 659, KARNES CITY, TX 78118-0659
PO BOX 660, KARNES CITY, TX 78118-0660
PO BOX 661, KARNES CITY, TX 78118-0661
PO BOX 662, KARNES CITY, TX 78118-0662
PO BOX 663, KARNES CITY, TX 78118-0663
PO BOX 664, KARNES CITY, TX 78118-0664
PO BOX 665, KARNES CITY, TX 78118-0665
PO BOX 666, KARNES CITY, TX 78118-0666
PO BOX 667, KARNES CITY, TX 78118-0667
PO BOX 668, KARNES CITY, TX 78118-0668
PO BOX 669, KARNES CITY, TX 78118-0669
PO BOX 670, KARNES CITY, TX 78118-0670
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