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 13342, COLUMBIA, SC 29201-0342
PO BOX 13343, COLUMBIA, SC 29201-0343
PO BOX 13344, COLUMBIA, SC 29201-0344
PO BOX 13345, COLUMBIA, SC 29201-0345
PO BOX 13346, COLUMBIA, SC 29201-0346
PO BOX 13347, COLUMBIA, SC 29201-0347
PO BOX 13348, COLUMBIA, SC 29201-0348
PO BOX 13349, COLUMBIA, SC 29201-0349
PO BOX 13350, COLUMBIA, SC 29201-0350
PO BOX 13351, COLUMBIA, SC 29201-0351
PO BOX 13352, COLUMBIA, SC 29201-0352
PO BOX 13353, COLUMBIA, SC 29201-0353
PO BOX 13354, COLUMBIA, SC 29201-0354
PO BOX 13355, COLUMBIA, SC 29201-0355
PO BOX 13356, COLUMBIA, SC 29201-0356
PO BOX 13357, COLUMBIA, SC 29201-0357
PO BOX 13358, COLUMBIA, SC 29201-0358
PO BOX 13359, COLUMBIA, SC 29201-0359
PO BOX 13360, COLUMBIA, SC 29201-0360
PO BOX 13361, COLUMBIA, SC 29201-0361
PO BOX 13362, COLUMBIA, SC 29201-0362
PO BOX 13363, COLUMBIA, SC 29201-0363
PO BOX 13364, COLUMBIA, SC 29201-0364
PO BOX 13365, COLUMBIA, SC 29201-0365
PO BOX 13366, COLUMBIA, SC 29201-0366
PO BOX 13367, COLUMBIA, SC 29201-0367
PO BOX 13368, COLUMBIA, SC 29201-0368
PO BOX 13369, COLUMBIA, SC 29201-0369
PO BOX 13370, COLUMBIA, SC 29201-0370
PO BOX 13371, COLUMBIA, SC 29201-0371
PO BOX 13372, COLUMBIA, SC 29201-0372
PO BOX 13373, COLUMBIA, SC 29201-0373
PO BOX 13374, COLUMBIA, SC 29201-0374
PO BOX 13375, COLUMBIA, SC 29201-0375
PO BOX 13376, COLUMBIA, SC 29201-0376
PO BOX 13377, COLUMBIA, SC 29201-0377
PO BOX 13378, COLUMBIA, SC 29201-0378
PO BOX 13379, COLUMBIA, SC 29201-0379
PO BOX 13380, COLUMBIA, SC 29201-0380
PO BOX 13381, COLUMBIA, SC 29201-0381
PO BOX 13382, COLUMBIA, SC 29201-0382
PO BOX 13383, COLUMBIA, SC 29201-0383
PO BOX 13384, COLUMBIA, SC 29201-0384
PO BOX 13385, COLUMBIA, SC 29201-0385
PO BOX 13386, COLUMBIA, SC 29201-0386
PO BOX 13387, COLUMBIA, SC 29201-0387
PO BOX 13388, COLUMBIA, SC 29201-0388
PO BOX 13389, COLUMBIA, SC 29201-0389
PO BOX 13390, COLUMBIA, SC 29201-0390
PO BOX 13391, COLUMBIA, SC 29201-0391
PO BOX 13392, COLUMBIA, SC 29201-0392
PO BOX 13393, COLUMBIA, SC 29201-0393
PO BOX 13394, COLUMBIA, SC 29201-0394
PO BOX 13395, COLUMBIA, SC 29201-0395
PO BOX 13396, COLUMBIA, SC 29201-0396
PO BOX 13397, COLUMBIA, SC 29201-0397
PO BOX 13398, COLUMBIA, SC 29201-0398
PO BOX 13399, COLUMBIA, SC 29201-0399
PO BOX 13400, COLUMBIA, SC 29201-0400
PO BOX 13401, COLUMBIA, SC 29201-0401
PO BOX 13402, COLUMBIA, SC 29201-0402
PO BOX 13403, COLUMBIA, SC 29201-0403
PO BOX 13404, COLUMBIA, SC 29201-0404
PO BOX 13405, COLUMBIA, SC 29201-0405
PO BOX 13406, COLUMBIA, SC 29201-0406
PO BOX 13407, COLUMBIA, SC 29201-0407
PO BOX 13408, COLUMBIA, SC 29201-0408
PO BOX 13409, COLUMBIA, SC 29201-0409
PO BOX 13410, COLUMBIA, SC 29201-0410
PO BOX 13411, COLUMBIA, SC 29201-0411
PO BOX 13412, COLUMBIA, SC 29201-0412
PO BOX 13413, COLUMBIA, SC 29201-0413
PO BOX 13414, COLUMBIA, SC 29201-0414
PO BOX 13415, COLUMBIA, SC 29201-0415
PO BOX 13416, COLUMBIA, SC 29201-0416
PO BOX 13417, COLUMBIA, SC 29201-0417
PO BOX 13418, COLUMBIA, SC 29201-0418
PO BOX 13419, COLUMBIA, SC 29201-0419
PO BOX 13420, COLUMBIA, SC 29201-0420
PO BOX 13421, COLUMBIA, SC 29201-0421
PO BOX 13422, COLUMBIA, SC 29201-0422
PO BOX 13423, COLUMBIA, SC 29201-0423
PO BOX 13424, COLUMBIA, SC 29201-0424
PO BOX 13425, COLUMBIA, SC 29201-0425
PO BOX 13426, COLUMBIA, SC 29201-0426
PO BOX 13427, COLUMBIA, SC 29201-0427
PO BOX 13428, COLUMBIA, SC 29201-0428
PO BOX 13429, COLUMBIA, SC 29201-0429
PO BOX 13430, COLUMBIA, SC 29201-0430
PO BOX 13431, COLUMBIA, SC 29201-0431
PO BOX 13432, COLUMBIA, SC 29201-0432
PO BOX 13433, COLUMBIA, SC 29201-0433
PO BOX 13434, COLUMBIA, SC 29201-0434
PO BOX 13435, COLUMBIA, SC 29201-0435
PO BOX 13436, COLUMBIA, SC 29201-0436
PO BOX 13437, COLUMBIA, SC 29201-0437
PO BOX 13438, COLUMBIA, SC 29201-0438
PO BOX 13439, COLUMBIA, SC 29201-0439
PO BOX 13440, COLUMBIA, SC 29201-0440
PO BOX 13441, COLUMBIA, SC 29201-0441
PO BOX 13442, COLUMBIA, SC 29201-0442
PO BOX 13443, COLUMBIA, SC 29201-0443
PO BOX 13444, COLUMBIA, SC 29201-0444
PO BOX 13445, COLUMBIA, SC 29201-0445
PO BOX 13446, COLUMBIA, SC 29201-0446
PO BOX 13447, COLUMBIA, SC 29201-0447
PO BOX 13448, COLUMBIA, SC 29201-0448
PO BOX 13449, COLUMBIA, SC 29201-0449
PO BOX 13450, COLUMBIA, SC 29201-0450
PO BOX 13451, COLUMBIA, SC 29201-0451
PO BOX 13452, COLUMBIA, SC 29201-0452
PO BOX 13453, COLUMBIA, SC 29201-0453
PO BOX 13454, COLUMBIA, SC 29201-0454
PO BOX 13455, COLUMBIA, SC 29201-0455
PO BOX 13456, COLUMBIA, SC 29201-0456
PO BOX 13457, COLUMBIA, SC 29201-0457
PO BOX 13458, COLUMBIA, SC 29201-0458
PO BOX 13459, COLUMBIA, SC 29201-0459
PO BOX 13460, COLUMBIA, SC 29201-0460
PO BOX 13461, COLUMBIA, SC 29201-0461
PO BOX 13462, COLUMBIA, SC 29201-0462
PO BOX 13463, COLUMBIA, SC 29201-0463
PO BOX 13464, COLUMBIA, SC 29201-0464
PO BOX 13465, COLUMBIA, SC 29201-0465
PO BOX 13466, COLUMBIA, SC 29201-0466
PO BOX 13467, COLUMBIA, SC 29201-0467
PO BOX 13468, COLUMBIA, SC 29201-0468
PO BOX 13469, COLUMBIA, SC 29201-0469
PO BOX 13470, COLUMBIA, SC 29201-0470
PO BOX 13471, COLUMBIA, SC 29201-0471
PO BOX 13472, COLUMBIA, SC 29201-0472
PO BOX 13473, COLUMBIA, SC 29201-0473
PO BOX 13474, COLUMBIA, SC 29201-0474
PO BOX 13475, COLUMBIA, SC 29201-0475
PO BOX 13476, COLUMBIA, SC 29201-0476
PO BOX 13477, COLUMBIA, SC 29201-0477
PO BOX 13478, COLUMBIA, SC 29201-0478
PO BOX 13479, COLUMBIA, SC 29201-0479
PO BOX 13480, COLUMBIA, SC 29201-0480
PO BOX 13481, COLUMBIA, SC 29201-0481
PO BOX 13482, COLUMBIA, SC 29201-0482
PO BOX 13483, COLUMBIA, SC 29201-0483
PO BOX 13484, COLUMBIA, SC 29201-0484
PO BOX 13485, COLUMBIA, SC 29201-0485
PO BOX 13486, COLUMBIA, SC 29201-0486
PO BOX 13487, COLUMBIA, SC 29201-0487
PO BOX 13488, COLUMBIA, SC 29201-0488
PO BOX 13489, COLUMBIA, SC 29201-0489
PO BOX 13490, COLUMBIA, SC 29201-0490
PO BOX 13491, COLUMBIA, SC 29201-0491
PO BOX 13492, COLUMBIA, SC 29201-0492
PO BOX 13493, COLUMBIA, SC 29201-0493
PO BOX 13494, COLUMBIA, SC 29201-0494
PO BOX 13495, COLUMBIA, SC 29201-0495
PO BOX 13496, COLUMBIA, SC 29201-0496
PO BOX 13497, COLUMBIA, SC 29201-0497
PO BOX 13498, COLUMBIA, SC 29201-0498
PO BOX 13499, COLUMBIA, SC 29201-0499
PO BOX 13500, COLUMBIA, SC 29201-0500
PO BOX 13501, COLUMBIA, SC 29201-0501
PO BOX 13502, COLUMBIA, SC 29201-0502
PO BOX 13503, COLUMBIA, SC 29201-0503
PO BOX 13504, COLUMBIA, SC 29201-0504
PO BOX 13505, COLUMBIA, SC 29201-0505
PO BOX 13506, COLUMBIA, SC 29201-0506
PO BOX 13507, COLUMBIA, SC 29201-0507
PO BOX 13508, COLUMBIA, SC 29201-0508
PO BOX 13509, COLUMBIA, SC 29201-0509
PO BOX 13510, COLUMBIA, SC 29201-0510
PO BOX 13511, COLUMBIA, SC 29201-0511
PO BOX 13512, COLUMBIA, SC 29201-0512
PO BOX 13513, COLUMBIA, SC 29201-0513
PO BOX 13514, COLUMBIA, SC 29201-0514
PO BOX 13515, COLUMBIA, SC 29201-0515
PO BOX 13516, COLUMBIA, SC 29201-0516
PO BOX 13517, COLUMBIA, SC 29201-0517
PO BOX 13518, COLUMBIA, SC 29201-0518
PO BOX 13519, COLUMBIA, SC 29201-0519
PO BOX 13520, COLUMBIA, SC 29201-0520
PO BOX 13521, COLUMBIA, SC 29201-0521
PO BOX 13522, COLUMBIA, SC 29201-0522
PO BOX 13523, COLUMBIA, SC 29201-0523
PO BOX 13524, COLUMBIA, SC 29201-0524
PO BOX 13525, COLUMBIA, SC 29201-0525
PO BOX 13526, COLUMBIA, SC 29201-0526
PO BOX 13527, COLUMBIA, SC 29201-0527
PO BOX 13528, COLUMBIA, SC 29201-0528
PO BOX 13529, COLUMBIA, SC 29201-0529
PO BOX 13530, COLUMBIA, SC 29201-0530
PO BOX 13531, COLUMBIA, SC 29201-0531
PO BOX 13532, COLUMBIA, SC 29201-0532
PO BOX 13533, COLUMBIA, SC 29201-0533
PO BOX 13534, COLUMBIA, SC 29201-0534
PO BOX 13535, COLUMBIA, SC 29201-0535
PO BOX 13536, COLUMBIA, SC 29201-0536
PO BOX 13537, COLUMBIA, SC 29201-0537
PO BOX 13538, COLUMBIA, SC 29201-0538
PO BOX 13539, COLUMBIA, SC 29201-0539
PO BOX 13540, COLUMBIA, SC 29201-0540
PO BOX 13541, COLUMBIA, SC 29201-0541
PO BOX 13542, COLUMBIA, SC 29201-0542
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