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, EAST SAINT LOUIS, IL 62202-0481
PO BOX 482, EAST SAINT LOUIS, IL 62202-0482
PO BOX 483, EAST SAINT LOUIS, IL 62202-0483
PO BOX 484, EAST SAINT LOUIS, IL 62202-0484
PO BOX 485, EAST SAINT LOUIS, IL 62202-0485
PO BOX 486, EAST SAINT LOUIS, IL 62202-0486
PO BOX 487, EAST SAINT LOUIS, IL 62202-0487
PO BOX 488, EAST SAINT LOUIS, IL 62202-0488
PO BOX 489, EAST SAINT LOUIS, IL 62202-0489
PO BOX 490, EAST SAINT LOUIS, IL 62202-0490
PO BOX 491, EAST SAINT LOUIS, IL 62202-0491
PO BOX 492, EAST SAINT LOUIS, IL 62202-0492
PO BOX 493, EAST SAINT LOUIS, IL 62202-0493
PO BOX 494, EAST SAINT LOUIS, IL 62202-0494
PO BOX 495, EAST SAINT LOUIS, IL 62202-0495
PO BOX 496, EAST SAINT LOUIS, IL 62202-0496
PO BOX 497, EAST SAINT LOUIS, IL 62202-0497
PO BOX 498, EAST SAINT LOUIS, IL 62202-0498
PO BOX 499, EAST SAINT LOUIS, IL 62202-0499
PO BOX 500, EAST SAINT LOUIS, IL 62202-0500
PO BOX 501, EAST SAINT LOUIS, IL 62202-0501
PO BOX 502, EAST SAINT LOUIS, IL 62202-0502
PO BOX 503, EAST SAINT LOUIS, IL 62202-0503
PO BOX 504, EAST SAINT LOUIS, IL 62202-0504
PO BOX 505, EAST SAINT LOUIS, IL 62202-0505
PO BOX 506, EAST SAINT LOUIS, IL 62202-0506
PO BOX 507, EAST SAINT LOUIS, IL 62202-0507
PO BOX 508, EAST SAINT LOUIS, IL 62202-0508
PO BOX 509, EAST SAINT LOUIS, IL 62202-0509
PO BOX 510, EAST SAINT LOUIS, IL 62202-0510
PO BOX 511, EAST SAINT LOUIS, IL 62202-0511
PO BOX 512, EAST SAINT LOUIS, IL 62202-0512
PO BOX 513, EAST SAINT LOUIS, IL 62202-0513
PO BOX 514, EAST SAINT LOUIS, IL 62202-0514
PO BOX 515, EAST SAINT LOUIS, IL 62202-0515
PO BOX 516, EAST SAINT LOUIS, IL 62202-0516
PO BOX 517, EAST SAINT LOUIS, IL 62202-0517
PO BOX 518, EAST SAINT LOUIS, IL 62202-0518
PO BOX 519, EAST SAINT LOUIS, IL 62202-0519
PO BOX 520, EAST SAINT LOUIS, IL 62202-0520
PO BOX 521, EAST SAINT LOUIS, IL 62202-0521
PO BOX 522, EAST SAINT LOUIS, IL 62202-0522
PO BOX 523, EAST SAINT LOUIS, IL 62202-0523
PO BOX 524, EAST SAINT LOUIS, IL 62202-0524
PO BOX 525, EAST SAINT LOUIS, IL 62202-0525
PO BOX 526, EAST SAINT LOUIS, IL 62202-0526
PO BOX 527, EAST SAINT LOUIS, IL 62202-0527
PO BOX 528, EAST SAINT LOUIS, IL 62202-0528
PO BOX 529, EAST SAINT LOUIS, IL 62202-0529
PO BOX 530, EAST SAINT LOUIS, IL 62202-0530
PO BOX 531, EAST SAINT LOUIS, IL 62202-0531
PO BOX 532, EAST SAINT LOUIS, IL 62202-0532
PO BOX 533, EAST SAINT LOUIS, IL 62202-0533
PO BOX 534, EAST SAINT LOUIS, IL 62202-0534
PO BOX 535, EAST SAINT LOUIS, IL 62202-0535
PO BOX 536, EAST SAINT LOUIS, IL 62202-0536
PO BOX 537, EAST SAINT LOUIS, IL 62202-0537
PO BOX 538, EAST SAINT LOUIS, IL 62202-0538
PO BOX 539, EAST SAINT LOUIS, IL 62202-0539
PO BOX 540, EAST SAINT LOUIS, IL 62202-0540
PO BOX 541, EAST SAINT LOUIS, IL 62202-0541
PO BOX 542, EAST SAINT LOUIS, IL 62202-0542
PO BOX 543, EAST SAINT LOUIS, IL 62202-0543
PO BOX 544, EAST SAINT LOUIS, IL 62202-0544
PO BOX 545, EAST SAINT LOUIS, IL 62202-0545
PO BOX 546, EAST SAINT LOUIS, IL 62202-0546
PO BOX 547, EAST SAINT LOUIS, IL 62202-0547
PO BOX 548, EAST SAINT LOUIS, IL 62202-0548
PO BOX 549, EAST SAINT LOUIS, IL 62202-0549
PO BOX 550, EAST SAINT LOUIS, IL 62202-0550
PO BOX 551, EAST SAINT LOUIS, IL 62202-0551
PO BOX 552, EAST SAINT LOUIS, IL 62202-0552
PO BOX 553, EAST SAINT LOUIS, IL 62202-0553
PO BOX 554, EAST SAINT LOUIS, IL 62202-0554
PO BOX 555, EAST SAINT LOUIS, IL 62202-0555
PO BOX 556, EAST SAINT LOUIS, IL 62202-0556
PO BOX 557, EAST SAINT LOUIS, IL 62202-0557
PO BOX 558, EAST SAINT LOUIS, IL 62202-0558
PO BOX 559, EAST SAINT LOUIS, IL 62202-0559
PO BOX 560, EAST SAINT LOUIS, IL 62202-0560
PO BOX 561, EAST SAINT LOUIS, IL 62202-0561
PO BOX 562, EAST SAINT LOUIS, IL 62202-0562
PO BOX 563, EAST SAINT LOUIS, IL 62202-0563
PO BOX 564, EAST SAINT LOUIS, IL 62202-0564
PO BOX 565, EAST SAINT LOUIS, IL 62202-0565
PO BOX 566, EAST SAINT LOUIS, IL 62202-0566
PO BOX 567, EAST SAINT LOUIS, IL 62202-0567
PO BOX 568, EAST SAINT LOUIS, IL 62202-0568
PO BOX 569, EAST SAINT LOUIS, IL 62202-0569
PO BOX 570, EAST SAINT LOUIS, IL 62202-0570
PO BOX 571, EAST SAINT LOUIS, IL 62202-0571
PO BOX 572, EAST SAINT LOUIS, IL 62202-0572
PO BOX 573, EAST SAINT LOUIS, IL 62202-0573
PO BOX 574, EAST SAINT LOUIS, IL 62202-0574
PO BOX 575, EAST SAINT LOUIS, IL 62202-0575
PO BOX 576, EAST SAINT LOUIS, IL 62202-0576
PO BOX 577, EAST SAINT LOUIS, IL 62202-0577
PO BOX 578, EAST SAINT LOUIS, IL 62202-0578
PO BOX 579, EAST SAINT LOUIS, IL 62202-0579
PO BOX 580, EAST SAINT LOUIS, IL 62202-0580
PO BOX 581, EAST SAINT LOUIS, IL 62202-0581
PO BOX 582, EAST SAINT LOUIS, IL 62202-0582
PO BOX 583, EAST SAINT LOUIS, IL 62202-0583
PO BOX 584, EAST SAINT LOUIS, IL 62202-0584
PO BOX 585, EAST SAINT LOUIS, IL 62202-0585
PO BOX 586, EAST SAINT LOUIS, IL 62202-0586
PO BOX 587, EAST SAINT LOUIS, IL 62202-0587
PO BOX 588, EAST SAINT LOUIS, IL 62202-0588
PO BOX 589, EAST SAINT LOUIS, IL 62202-0589
PO BOX 590, EAST SAINT LOUIS, IL 62202-0590
PO BOX 591, EAST SAINT LOUIS, IL 62202-0591
PO BOX 592, EAST SAINT LOUIS, IL 62202-0592
PO BOX 593, EAST SAINT LOUIS, IL 62202-0593
PO BOX 594, EAST SAINT LOUIS, IL 62202-0594
PO BOX 595, EAST SAINT LOUIS, IL 62202-0595
PO BOX 596, EAST SAINT LOUIS, IL 62202-0596
Add new comment