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 541, FORT LAUDERDALE, FL 33302-0541
PO BOX 542, FORT LAUDERDALE, FL 33302-0542
PO BOX 543, FORT LAUDERDALE, FL 33302-0543
PO BOX 544, FORT LAUDERDALE, FL 33302-0544
PO BOX 545, FORT LAUDERDALE, FL 33302-0545
PO BOX 546, FORT LAUDERDALE, FL 33302-0546
PO BOX 547, FORT LAUDERDALE, FL 33302-0547
PO BOX 548, FORT LAUDERDALE, FL 33302-0548
PO BOX 549, FORT LAUDERDALE, FL 33302-0549
PO BOX 550, FORT LAUDERDALE, FL 33302-0550
PO BOX 551, FORT LAUDERDALE, FL 33302-0551
PO BOX 552, FORT LAUDERDALE, FL 33302-0552
PO BOX 553, FORT LAUDERDALE, FL 33302-0553
PO BOX 554, FORT LAUDERDALE, FL 33302-0554
PO BOX 555, FORT LAUDERDALE, FL 33302-0555
PO BOX 556, FORT LAUDERDALE, FL 33302-0556
PO BOX 557, FORT LAUDERDALE, FL 33302-0557
PO BOX 558, FORT LAUDERDALE, FL 33302-0558
PO BOX 559, FORT LAUDERDALE, FL 33302-0559
PO BOX 560, FORT LAUDERDALE, FL 33302-0560
PO BOX 561, FORT LAUDERDALE, FL 33302-0561
PO BOX 562, FORT LAUDERDALE, FL 33302-0562
PO BOX 563, FORT LAUDERDALE, FL 33302-0563
PO BOX 564, FORT LAUDERDALE, FL 33302-0564
PO BOX 565, FORT LAUDERDALE, FL 33302-0565
PO BOX 566, FORT LAUDERDALE, FL 33302-0566
PO BOX 567, FORT LAUDERDALE, FL 33302-0567
PO BOX 568, FORT LAUDERDALE, FL 33302-0568
PO BOX 569, FORT LAUDERDALE, FL 33302-0569
PO BOX 570, FORT LAUDERDALE, FL 33302-0570
PO BOX 571, FORT LAUDERDALE, FL 33302-0571
PO BOX 572, FORT LAUDERDALE, FL 33302-0572
PO BOX 573, FORT LAUDERDALE, FL 33302-0573
PO BOX 574, FORT LAUDERDALE, FL 33302-0574
PO BOX 575, FORT LAUDERDALE, FL 33302-0575
PO BOX 576, FORT LAUDERDALE, FL 33302-0576
PO BOX 577, FORT LAUDERDALE, FL 33302-0577
PO BOX 578, FORT LAUDERDALE, FL 33302-0578
PO BOX 579, FORT LAUDERDALE, FL 33302-0579
PO BOX 580, FORT LAUDERDALE, FL 33302-0580
PO BOX 581, FORT LAUDERDALE, FL 33302-0581
PO BOX 582, FORT LAUDERDALE, FL 33302-0582
PO BOX 583, FORT LAUDERDALE, FL 33302-0583
PO BOX 584, FORT LAUDERDALE, FL 33302-0584
PO BOX 585, FORT LAUDERDALE, FL 33302-0585
PO BOX 586, FORT LAUDERDALE, FL 33302-0586
PO BOX 587, FORT LAUDERDALE, FL 33302-0587
PO BOX 588, FORT LAUDERDALE, FL 33302-0588
PO BOX 589, FORT LAUDERDALE, FL 33302-0589
PO BOX 590, FORT LAUDERDALE, FL 33302-0590
PO BOX 591, FORT LAUDERDALE, FL 33302-0591
PO BOX 592, FORT LAUDERDALE, FL 33302-0592
PO BOX 593, FORT LAUDERDALE, FL 33302-0593
PO BOX 594, FORT LAUDERDALE, FL 33302-0594
PO BOX 595, FORT LAUDERDALE, FL 33302-0595
PO BOX 596, FORT LAUDERDALE, FL 33302-0596
PO BOX 597, FORT LAUDERDALE, FL 33302-0597
PO BOX 598, FORT LAUDERDALE, FL 33302-0598
PO BOX 599, FORT LAUDERDALE, FL 33302-0599
PO BOX 600, FORT LAUDERDALE, FL 33302-0600
PO BOX 601, FORT LAUDERDALE, FL 33302-0601
PO BOX 602, FORT LAUDERDALE, FL 33302-0602
PO BOX 603, FORT LAUDERDALE, FL 33302-0603
PO BOX 604, FORT LAUDERDALE, FL 33302-0604
PO BOX 605, FORT LAUDERDALE, FL 33302-0605
PO BOX 606, FORT LAUDERDALE, FL 33302-0606
PO BOX 607, FORT LAUDERDALE, FL 33302-0607
PO BOX 608, FORT LAUDERDALE, FL 33302-0608
PO BOX 609, FORT LAUDERDALE, FL 33302-0609
PO BOX 610, FORT LAUDERDALE, FL 33302-0610
PO BOX 611, FORT LAUDERDALE, FL 33302-0611
PO BOX 612, FORT LAUDERDALE, FL 33302-0612
PO BOX 613, FORT LAUDERDALE, FL 33302-0613
PO BOX 614, FORT LAUDERDALE, FL 33302-0614
PO BOX 615, FORT LAUDERDALE, FL 33302-0615
PO BOX 616, FORT LAUDERDALE, FL 33302-0616
PO BOX 617, FORT LAUDERDALE, FL 33302-0617
PO BOX 618, FORT LAUDERDALE, FL 33302-0618
PO BOX 619, FORT LAUDERDALE, FL 33302-0619
PO BOX 620, FORT LAUDERDALE, FL 33302-0620
PO BOX 621, FORT LAUDERDALE, FL 33302-0621
PO BOX 622, FORT LAUDERDALE, FL 33302-0622
PO BOX 623, FORT LAUDERDALE, FL 33302-0623
PO BOX 624, FORT LAUDERDALE, FL 33302-0624
PO BOX 625, FORT LAUDERDALE, FL 33302-0625
PO BOX 626, FORT LAUDERDALE, FL 33302-0626
PO BOX 627, FORT LAUDERDALE, FL 33302-0627
PO BOX 628, FORT LAUDERDALE, FL 33302-0628
PO BOX 629, FORT LAUDERDALE, FL 33302-0629
PO BOX 630, FORT LAUDERDALE, FL 33302-0630
PO BOX 631, FORT LAUDERDALE, FL 33302-0631
PO BOX 632, FORT LAUDERDALE, FL 33302-0632
PO BOX 633, FORT LAUDERDALE, FL 33302-0633
PO BOX 634, FORT LAUDERDALE, FL 33302-0634
PO BOX 635, FORT LAUDERDALE, FL 33302-0635
PO BOX 636, FORT LAUDERDALE, FL 33302-0636
PO BOX 637, FORT LAUDERDALE, FL 33302-0637
PO BOX 638, FORT LAUDERDALE, FL 33302-0638
PO BOX 639, FORT LAUDERDALE, FL 33302-0639
PO BOX 640, FORT LAUDERDALE, FL 33302-0640
PO BOX 641, FORT LAUDERDALE, FL 33302-0641
PO BOX 642, FORT LAUDERDALE, FL 33302-0642
PO BOX 643, FORT LAUDERDALE, FL 33302-0643
PO BOX 644, FORT LAUDERDALE, FL 33302-0644
PO BOX 645, FORT LAUDERDALE, FL 33302-0645
PO BOX 646, FORT LAUDERDALE, FL 33302-0646
PO BOX 647, FORT LAUDERDALE, FL 33302-0647
PO BOX 648, FORT LAUDERDALE, FL 33302-0648
PO BOX 649, FORT LAUDERDALE, FL 33302-0649
PO BOX 650, FORT LAUDERDALE, FL 33302-0650
PO BOX 651, FORT LAUDERDALE, FL 33302-0651
PO BOX 652, FORT LAUDERDALE, FL 33302-0652
PO BOX 653, FORT LAUDERDALE, FL 33302-0653
PO BOX 654, FORT LAUDERDALE, FL 33302-0654
PO BOX 655, FORT LAUDERDALE, FL 33302-0655
PO BOX 656, FORT LAUDERDALE, FL 33302-0656
PO BOX 657, FORT LAUDERDALE, FL 33302-0657
PO BOX 658, FORT LAUDERDALE, FL 33302-0658
PO BOX 659, FORT LAUDERDALE, FL 33302-0659
PO BOX 660, FORT LAUDERDALE, FL 33302-0660
Add new comment