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, LAKE HAVASU CITY, AZ 86405-0481
PO BOX 482, LAKE HAVASU CITY, AZ 86405-0482
PO BOX 483, LAKE HAVASU CITY, AZ 86405-0483
PO BOX 484, LAKE HAVASU CITY, AZ 86405-0484
PO BOX 485, LAKE HAVASU CITY, AZ 86405-0485
PO BOX 486, LAKE HAVASU CITY, AZ 86405-0486
PO BOX 487, LAKE HAVASU CITY, AZ 86405-0487
PO BOX 488, LAKE HAVASU CITY, AZ 86405-0488
PO BOX 489, LAKE HAVASU CITY, AZ 86405-0489
PO BOX 490, LAKE HAVASU CITY, AZ 86405-0490
PO BOX 491, LAKE HAVASU CITY, AZ 86405-0491
PO BOX 492, LAKE HAVASU CITY, AZ 86405-0492
PO BOX 493, LAKE HAVASU CITY, AZ 86405-0493
PO BOX 494, LAKE HAVASU CITY, AZ 86405-0494
PO BOX 495, LAKE HAVASU CITY, AZ 86405-0495
PO BOX 496, LAKE HAVASU CITY, AZ 86405-0496
PO BOX 497, LAKE HAVASU CITY, AZ 86405-0497
PO BOX 498, LAKE HAVASU CITY, AZ 86405-0498
PO BOX 499, LAKE HAVASU CITY, AZ 86405-0499
PO BOX 500, LAKE HAVASU CITY, AZ 86405-0500
PO BOX 501, LAKE HAVASU CITY, AZ 86405-0501
PO BOX 502, LAKE HAVASU CITY, AZ 86405-0502
PO BOX 503, LAKE HAVASU CITY, AZ 86405-0503
PO BOX 504, LAKE HAVASU CITY, AZ 86405-0504
PO BOX 505, LAKE HAVASU CITY, AZ 86405-0505
PO BOX 506, LAKE HAVASU CITY, AZ 86405-0506
PO BOX 507, LAKE HAVASU CITY, AZ 86405-0507
PO BOX 508, LAKE HAVASU CITY, AZ 86405-0508
PO BOX 509, LAKE HAVASU CITY, AZ 86405-0509
PO BOX 510, LAKE HAVASU CITY, AZ 86405-0510
PO BOX 511, LAKE HAVASU CITY, AZ 86405-0511
PO BOX 512, LAKE HAVASU CITY, AZ 86405-0512
PO BOX 513, LAKE HAVASU CITY, AZ 86405-0513
PO BOX 514, LAKE HAVASU CITY, AZ 86405-0514
PO BOX 515, LAKE HAVASU CITY, AZ 86405-0515
PO BOX 516, LAKE HAVASU CITY, AZ 86405-0516
PO BOX 517, LAKE HAVASU CITY, AZ 86405-0517
PO BOX 518, LAKE HAVASU CITY, AZ 86405-0518
PO BOX 519, LAKE HAVASU CITY, AZ 86405-0519
PO BOX 520, LAKE HAVASU CITY, AZ 86405-0520
PO BOX 521, LAKE HAVASU CITY, AZ 86405-0521
PO BOX 522, LAKE HAVASU CITY, AZ 86405-0522
PO BOX 523, LAKE HAVASU CITY, AZ 86405-0523
PO BOX 524, LAKE HAVASU CITY, AZ 86405-0524
PO BOX 525, LAKE HAVASU CITY, AZ 86405-0525
PO BOX 526, LAKE HAVASU CITY, AZ 86405-0526
PO BOX 527, LAKE HAVASU CITY, AZ 86405-0527
PO BOX 528, LAKE HAVASU CITY, AZ 86405-0528
PO BOX 529, LAKE HAVASU CITY, AZ 86405-0529
PO BOX 530, LAKE HAVASU CITY, AZ 86405-0530
PO BOX 531, LAKE HAVASU CITY, AZ 86405-0531
PO BOX 532, LAKE HAVASU CITY, AZ 86405-0532
PO BOX 533, LAKE HAVASU CITY, AZ 86405-0533
PO BOX 534, LAKE HAVASU CITY, AZ 86405-0534
PO BOX 535, LAKE HAVASU CITY, AZ 86405-0535
PO BOX 536, LAKE HAVASU CITY, AZ 86405-0536
PO BOX 537, LAKE HAVASU CITY, AZ 86405-0537
PO BOX 538, LAKE HAVASU CITY, AZ 86405-0538
PO BOX 539, LAKE HAVASU CITY, AZ 86405-0539
PO BOX 540, LAKE HAVASU CITY, AZ 86405-0540
PO BOX 541, LAKE HAVASU CITY, AZ 86405-0541
PO BOX 542, LAKE HAVASU CITY, AZ 86405-0542
PO BOX 543, LAKE HAVASU CITY, AZ 86405-0543
PO BOX 544, LAKE HAVASU CITY, AZ 86405-0544
PO BOX 545, LAKE HAVASU CITY, AZ 86405-0545
PO BOX 546, LAKE HAVASU CITY, AZ 86405-0546
PO BOX 547, LAKE HAVASU CITY, AZ 86405-0547
PO BOX 548, LAKE HAVASU CITY, AZ 86405-0548
PO BOX 549, LAKE HAVASU CITY, AZ 86405-0549
PO BOX 550, LAKE HAVASU CITY, AZ 86405-0550
PO BOX 551, LAKE HAVASU CITY, AZ 86405-0551
PO BOX 552, LAKE HAVASU CITY, AZ 86405-0552
PO BOX 553, LAKE HAVASU CITY, AZ 86405-0553
PO BOX 554, LAKE HAVASU CITY, AZ 86405-0554
PO BOX 555, LAKE HAVASU CITY, AZ 86405-0555
PO BOX 556, LAKE HAVASU CITY, AZ 86405-0556
PO BOX 557, LAKE HAVASU CITY, AZ 86405-0557
PO BOX 558, LAKE HAVASU CITY, AZ 86405-0558
PO BOX 559, LAKE HAVASU CITY, AZ 86405-0559
PO BOX 560, LAKE HAVASU CITY, AZ 86405-0560
PO BOX 561, LAKE HAVASU CITY, AZ 86405-0561
PO BOX 562, LAKE HAVASU CITY, AZ 86405-0562
PO BOX 563, LAKE HAVASU CITY, AZ 86405-0563
PO BOX 564, LAKE HAVASU CITY, AZ 86405-0564
PO BOX 565, LAKE HAVASU CITY, AZ 86405-0565
PO BOX 566, LAKE HAVASU CITY, AZ 86405-0566
PO BOX 567, LAKE HAVASU CITY, AZ 86405-0567
PO BOX 568, LAKE HAVASU CITY, AZ 86405-0568
PO BOX 569, LAKE HAVASU CITY, AZ 86405-0569
PO BOX 570, LAKE HAVASU CITY, AZ 86405-0570
PO BOX 571, LAKE HAVASU CITY, AZ 86405-0571
PO BOX 572, LAKE HAVASU CITY, AZ 86405-0572
PO BOX 573, LAKE HAVASU CITY, AZ 86405-0573
PO BOX 574, LAKE HAVASU CITY, AZ 86405-0574
PO BOX 575, LAKE HAVASU CITY, AZ 86405-0575
PO BOX 576, LAKE HAVASU CITY, AZ 86405-0576
PO BOX 577, LAKE HAVASU CITY, AZ 86405-0577
PO BOX 578, LAKE HAVASU CITY, AZ 86405-0578
PO BOX 579, LAKE HAVASU CITY, AZ 86405-0579
PO BOX 580, LAKE HAVASU CITY, AZ 86405-0580
PO BOX 581, LAKE HAVASU CITY, AZ 86405-0581
PO BOX 582, LAKE HAVASU CITY, AZ 86405-0582
PO BOX 583, LAKE HAVASU CITY, AZ 86405-0583
PO BOX 584, LAKE HAVASU CITY, AZ 86405-0584
PO BOX 585, LAKE HAVASU CITY, AZ 86405-0585
PO BOX 586, LAKE HAVASU CITY, AZ 86405-0586
PO BOX 587, LAKE HAVASU CITY, AZ 86405-0587
PO BOX 588, LAKE HAVASU CITY, AZ 86405-0588
PO BOX 589, LAKE HAVASU CITY, AZ 86405-0589
PO BOX 590, LAKE HAVASU CITY, AZ 86405-0590
PO BOX 591, LAKE HAVASU CITY, AZ 86405-0591
PO BOX 592, LAKE HAVASU CITY, AZ 86405-0592
PO BOX 593, LAKE HAVASU CITY, AZ 86405-0593
PO BOX 594, LAKE HAVASU CITY, AZ 86405-0594
PO BOX 595, LAKE HAVASU CITY, AZ 86405-0595
PO BOX 596, LAKE HAVASU CITY, AZ 86405-0596
PO BOX 597, LAKE HAVASU CITY, AZ 86405-0597
PO BOX 598, LAKE HAVASU CITY, AZ 86405-0598
PO BOX 599, LAKE HAVASU CITY, AZ 86405-0599
PO BOX 600, LAKE HAVASU CITY, AZ 86405-0600
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