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, RICHFIELD SPRINGS, NY 13439-0481
PO BOX 482, RICHFIELD SPRINGS, NY 13439-0482
PO BOX 483, RICHFIELD SPRINGS, NY 13439-0483
PO BOX 484, RICHFIELD SPRINGS, NY 13439-0484
PO BOX 485, RICHFIELD SPRINGS, NY 13439-0485
PO BOX 486, RICHFIELD SPRINGS, NY 13439-0486
PO BOX 487, RICHFIELD SPRINGS, NY 13439-0487
PO BOX 488, RICHFIELD SPRINGS, NY 13439-0488
PO BOX 489, RICHFIELD SPRINGS, NY 13439-0489
PO BOX 490, RICHFIELD SPRINGS, NY 13439-0490
PO BOX 491, RICHFIELD SPRINGS, NY 13439-0491
PO BOX 492, RICHFIELD SPRINGS, NY 13439-0492
PO BOX 493, RICHFIELD SPRINGS, NY 13439-0493
PO BOX 494, RICHFIELD SPRINGS, NY 13439-0494
PO BOX 495, RICHFIELD SPRINGS, NY 13439-0495
PO BOX 496, RICHFIELD SPRINGS, NY 13439-0496
PO BOX 497, RICHFIELD SPRINGS, NY 13439-0497
PO BOX 498, RICHFIELD SPRINGS, NY 13439-0498
PO BOX 499, RICHFIELD SPRINGS, NY 13439-0499
PO BOX 500, RICHFIELD SPRINGS, NY 13439-0500
PO BOX 501, RICHFIELD SPRINGS, NY 13439-0501
PO BOX 502, RICHFIELD SPRINGS, NY 13439-0502
PO BOX 503, RICHFIELD SPRINGS, NY 13439-0503
PO BOX 504, RICHFIELD SPRINGS, NY 13439-0504
PO BOX 505, RICHFIELD SPRINGS, NY 13439-0505
PO BOX 506, RICHFIELD SPRINGS, NY 13439-0506
PO BOX 507, RICHFIELD SPRINGS, NY 13439-0507
PO BOX 508, RICHFIELD SPRINGS, NY 13439-0508
PO BOX 509, RICHFIELD SPRINGS, NY 13439-0509
PO BOX 510, RICHFIELD SPRINGS, NY 13439-0510
PO BOX 511, RICHFIELD SPRINGS, NY 13439-0511
PO BOX 512, RICHFIELD SPRINGS, NY 13439-0512
PO BOX 513, RICHFIELD SPRINGS, NY 13439-0513
PO BOX 514, RICHFIELD SPRINGS, NY 13439-0514
PO BOX 515, RICHFIELD SPRINGS, NY 13439-0515
PO BOX 516, RICHFIELD SPRINGS, NY 13439-0516
PO BOX 517, RICHFIELD SPRINGS, NY 13439-0517
PO BOX 518, RICHFIELD SPRINGS, NY 13439-0518
PO BOX 519, RICHFIELD SPRINGS, NY 13439-0519
PO BOX 520, RICHFIELD SPRINGS, NY 13439-0520
PO BOX 521, RICHFIELD SPRINGS, NY 13439-0521
PO BOX 522, RICHFIELD SPRINGS, NY 13439-0522
PO BOX 523, RICHFIELD SPRINGS, NY 13439-0523
PO BOX 524, RICHFIELD SPRINGS, NY 13439-0524
PO BOX 525, RICHFIELD SPRINGS, NY 13439-0525
PO BOX 526, RICHFIELD SPRINGS, NY 13439-0526
PO BOX 527, RICHFIELD SPRINGS, NY 13439-0527
PO BOX 528, RICHFIELD SPRINGS, NY 13439-0528
PO BOX 529, RICHFIELD SPRINGS, NY 13439-0529
PO BOX 530, RICHFIELD SPRINGS, NY 13439-0530
PO BOX 531, RICHFIELD SPRINGS, NY 13439-0531
PO BOX 532, RICHFIELD SPRINGS, NY 13439-0532
PO BOX 533, RICHFIELD SPRINGS, NY 13439-0533
PO BOX 534, RICHFIELD SPRINGS, NY 13439-0534
PO BOX 535, RICHFIELD SPRINGS, NY 13439-0535
PO BOX 536, RICHFIELD SPRINGS, NY 13439-0536
PO BOX 537, RICHFIELD SPRINGS, NY 13439-0537
PO BOX 538, RICHFIELD SPRINGS, NY 13439-0538
PO BOX 539, RICHFIELD SPRINGS, NY 13439-0539
PO BOX 540, RICHFIELD SPRINGS, NY 13439-0540
PO BOX 541, RICHFIELD SPRINGS, NY 13439-0541
PO BOX 542, RICHFIELD SPRINGS, NY 13439-0542
PO BOX 543, RICHFIELD SPRINGS, NY 13439-0543
PO BOX 544, RICHFIELD SPRINGS, NY 13439-0544
PO BOX 545, RICHFIELD SPRINGS, NY 13439-0545
PO BOX 546, RICHFIELD SPRINGS, NY 13439-0546
PO BOX 547, RICHFIELD SPRINGS, NY 13439-0547
PO BOX 548, RICHFIELD SPRINGS, NY 13439-0548
PO BOX 549, RICHFIELD SPRINGS, NY 13439-0549
PO BOX 550, RICHFIELD SPRINGS, NY 13439-0550
PO BOX 551, RICHFIELD SPRINGS, NY 13439-0551
PO BOX 552, RICHFIELD SPRINGS, NY 13439-0552
PO BOX 553, RICHFIELD SPRINGS, NY 13439-0553
PO BOX 554, RICHFIELD SPRINGS, NY 13439-0554
PO BOX 555, RICHFIELD SPRINGS, NY 13439-0555
PO BOX 556, RICHFIELD SPRINGS, NY 13439-0556
PO BOX 557, RICHFIELD SPRINGS, NY 13439-0557
PO BOX 558, RICHFIELD SPRINGS, NY 13439-0558
PO BOX 559, RICHFIELD SPRINGS, NY 13439-0559
PO BOX 560, RICHFIELD SPRINGS, NY 13439-0560
PO BOX 561, RICHFIELD SPRINGS, NY 13439-0561
PO BOX 562, RICHFIELD SPRINGS, NY 13439-0562
PO BOX 563, RICHFIELD SPRINGS, NY 13439-0563
PO BOX 564, RICHFIELD SPRINGS, NY 13439-0564
PO BOX 565, RICHFIELD SPRINGS, NY 13439-0565
PO BOX 566, RICHFIELD SPRINGS, NY 13439-0566
PO BOX 567, RICHFIELD SPRINGS, NY 13439-0567
PO BOX 568, RICHFIELD SPRINGS, NY 13439-0568
PO BOX 569, RICHFIELD SPRINGS, NY 13439-0569
PO BOX 570, RICHFIELD SPRINGS, NY 13439-0570
PO BOX 571, RICHFIELD SPRINGS, NY 13439-0571
PO BOX 572, RICHFIELD SPRINGS, NY 13439-0572
PO BOX 573, RICHFIELD SPRINGS, NY 13439-0573
PO BOX 574, RICHFIELD SPRINGS, NY 13439-0574
PO BOX 575, RICHFIELD SPRINGS, NY 13439-0575
PO BOX 576, RICHFIELD SPRINGS, NY 13439-0576
PO BOX 577, RICHFIELD SPRINGS, NY 13439-0577
PO BOX 578, RICHFIELD SPRINGS, NY 13439-0578
PO BOX 579, RICHFIELD SPRINGS, NY 13439-0579
PO BOX 580, RICHFIELD SPRINGS, NY 13439-0580
PO BOX 581, RICHFIELD SPRINGS, NY 13439-0581
PO BOX 582, RICHFIELD SPRINGS, NY 13439-0582
PO BOX 583, RICHFIELD SPRINGS, NY 13439-0583
PO BOX 584, RICHFIELD SPRINGS, NY 13439-0584
PO BOX 585, RICHFIELD SPRINGS, NY 13439-0585
PO BOX 586, RICHFIELD SPRINGS, NY 13439-0586
PO BOX 587, RICHFIELD SPRINGS, NY 13439-0587
PO BOX 588, RICHFIELD SPRINGS, NY 13439-0588
PO BOX 589, RICHFIELD SPRINGS, NY 13439-0589
PO BOX 590, RICHFIELD SPRINGS, NY 13439-0590
PO BOX 591, RICHFIELD SPRINGS, NY 13439-0591
PO BOX 592, RICHFIELD SPRINGS, NY 13439-0592
PO BOX 593, RICHFIELD SPRINGS, NY 13439-0593
PO BOX 594, RICHFIELD SPRINGS, NY 13439-0594
PO BOX 595, RICHFIELD SPRINGS, NY 13439-0595
PO BOX 596, RICHFIELD SPRINGS, NY 13439-0596
PO BOX 597, RICHFIELD SPRINGS, NY 13439-0597
PO BOX 598, RICHFIELD SPRINGS, NY 13439-0598
PO BOX 599, RICHFIELD SPRINGS, NY 13439-0599
PO BOX 600, RICHFIELD SPRINGS, NY 13439-0600
PO BOX 601, RICHFIELD SPRINGS, NY 13439-0601
PO BOX 602, RICHFIELD SPRINGS, NY 13439-0602
PO BOX 603, RICHFIELD SPRINGS, NY 13439-0603
PO BOX 604, RICHFIELD SPRINGS, NY 13439-0604
PO BOX 605, RICHFIELD SPRINGS, NY 13439-0605
PO BOX 606, RICHFIELD SPRINGS, NY 13439-0606
PO BOX 607, RICHFIELD SPRINGS, NY 13439-0607
PO BOX 608, RICHFIELD SPRINGS, NY 13439-0608
PO BOX 609, RICHFIELD SPRINGS, NY 13439-0609
PO BOX 610, RICHFIELD SPRINGS, NY 13439-0610
PO BOX 611, RICHFIELD SPRINGS, NY 13439-0611
PO BOX 612, RICHFIELD SPRINGS, NY 13439-0612
PO BOX 613, RICHFIELD SPRINGS, NY 13439-0613
PO BOX 614, RICHFIELD SPRINGS, NY 13439-0614
PO BOX 615, RICHFIELD SPRINGS, NY 13439-0615
PO BOX 616, RICHFIELD SPRINGS, NY 13439-0616
PO BOX 617, RICHFIELD SPRINGS, NY 13439-0617
PO BOX 618, RICHFIELD SPRINGS, NY 13439-0618
PO BOX 619, RICHFIELD SPRINGS, NY 13439-0619
PO BOX 620, RICHFIELD SPRINGS, NY 13439-0620
PO BOX 621, RICHFIELD SPRINGS, NY 13439-0621
PO BOX 622, RICHFIELD SPRINGS, NY 13439-0622
PO BOX 623, RICHFIELD SPRINGS, NY 13439-0623
PO BOX 624, RICHFIELD SPRINGS, NY 13439-0624
PO BOX 625, RICHFIELD SPRINGS, NY 13439-0625
PO BOX 626, RICHFIELD SPRINGS, NY 13439-0626
PO BOX 627, RICHFIELD SPRINGS, NY 13439-0627
PO BOX 628, RICHFIELD SPRINGS, NY 13439-0628
PO BOX 629, RICHFIELD SPRINGS, NY 13439-0629
PO BOX 630, RICHFIELD SPRINGS, NY 13439-0630
PO BOX 631, RICHFIELD SPRINGS, NY 13439-0631
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