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 5248, CHARLOTTE, NC 28299-5248
PO BOX 5249, CHARLOTTE, NC 28299-5249
PO BOX 5250, CHARLOTTE, NC 28299-5250
PO BOX 5251, CHARLOTTE, NC 28299-5251
PO BOX 5252, CHARLOTTE, NC 28299-5252
PO BOX 5253, CHARLOTTE, NC 28299-5253
PO BOX 5254, CHARLOTTE, NC 28299-5254
PO BOX 5255, CHARLOTTE, NC 28299-5255
PO BOX 5256, CHARLOTTE, NC 28299-5256
PO BOX 5257, CHARLOTTE, NC 28299-5257
PO BOX 5258, CHARLOTTE, NC 28299-5258
PO BOX 5259, CHARLOTTE, NC 28299-5259
PO BOX 5260, CHARLOTTE, NC 28299-5260
PO BOX 5261, CHARLOTTE, NC 28299-5261
PO BOX 5262, CHARLOTTE, NC 28299-5262
PO BOX 5263, CHARLOTTE, NC 28299-5263
PO BOX 5264, CHARLOTTE, NC 28299-5264
PO BOX 5265, CHARLOTTE, NC 28299-5265
PO BOX 5266, CHARLOTTE, NC 28299-5266
PO BOX 5267, CHARLOTTE, NC 28299-5267
PO BOX 5268, CHARLOTTE, NC 28299-5268
PO BOX 5269, CHARLOTTE, NC 28299-5269
PO BOX 5270, CHARLOTTE, NC 28299-5270
PO BOX 5271, CHARLOTTE, NC 28299-5271
PO BOX 5272, CHARLOTTE, NC 28299-5272
PO BOX 5273, CHARLOTTE, NC 28299-5273
PO BOX 5274, CHARLOTTE, NC 28299-5274
PO BOX 5275, CHARLOTTE, NC 28299-5275
PO BOX 5276, CHARLOTTE, NC 28299-5276
PO BOX 5277, CHARLOTTE, NC 28299-5277
PO BOX 5278, CHARLOTTE, NC 28299-5278
PO BOX 5279, CHARLOTTE, NC 28299-5279
PO BOX 5280, CHARLOTTE, NC 28299-5280
PO BOX 5281, CHARLOTTE, NC 28299-5281
PO BOX 5282, CHARLOTTE, NC 28299-5282
PO BOX 5283, CHARLOTTE, NC 28299-5283
PO BOX 5284, CHARLOTTE, NC 28299-5284
PO BOX 5285, CHARLOTTE, NC 28299-5285
PO BOX 5286, CHARLOTTE, NC 28299-5286
PO BOX 5287, CHARLOTTE, NC 28299-5287
PO BOX 5288, CHARLOTTE, NC 28299-5288
PO BOX 5289, CHARLOTTE, NC 28299-5289
PO BOX 5290, CHARLOTTE, NC 28299-5290
PO BOX 5291, CHARLOTTE, NC 28299-5291
PO BOX 5292, CHARLOTTE, NC 28299-5292
PO BOX 5293, CHARLOTTE, NC 28299-5293
PO BOX 5294, CHARLOTTE, NC 28299-5294
PO BOX 5295, CHARLOTTE, NC 28299-5295
PO BOX 5296, CHARLOTTE, NC 28299-5296
PO BOX 5297, CHARLOTTE, NC 28299-5297
PO BOX 5298, CHARLOTTE, NC 28299-5298
PO BOX 5299, CHARLOTTE, NC 28299-5299
PO BOX 5300, CHARLOTTE, NC 28299-5300
PO BOX 5301, CHARLOTTE, NC 28299-5301
PO BOX 5302, CHARLOTTE, NC 28299-5302
PO BOX 5303, CHARLOTTE, NC 28299-5303
PO BOX 5304, CHARLOTTE, NC 28299-5304
PO BOX 5305, CHARLOTTE, NC 28299-5305
PO BOX 5306, CHARLOTTE, NC 28299-5306
PO BOX 5307, CHARLOTTE, NC 28299-5307
PO BOX 5308, CHARLOTTE, NC 28299-5308
PO BOX 5309, CHARLOTTE, NC 28299-5309
PO BOX 5310, CHARLOTTE, NC 28299-5310
PO BOX 5311, CHARLOTTE, NC 28299-5311
PO BOX 5312, CHARLOTTE, NC 28299-5312
PO BOX 5313, CHARLOTTE, NC 28299-5313
PO BOX 5314, CHARLOTTE, NC 28299-5314
PO BOX 5315, CHARLOTTE, NC 28299-5315
PO BOX 5316, CHARLOTTE, NC 28299-5316
PO BOX 5317, CHARLOTTE, NC 28299-5317
PO BOX 5318, CHARLOTTE, NC 28299-5318
PO BOX 5319, CHARLOTTE, NC 28299-5319
PO BOX 5320, CHARLOTTE, NC 28299-5320
PO BOX 5321, CHARLOTTE, NC 28299-5321
PO BOX 5322, CHARLOTTE, NC 28299-5322
PO BOX 5323, CHARLOTTE, NC 28299-5323
PO BOX 5324, CHARLOTTE, NC 28299-5324
PO BOX 5325, CHARLOTTE, NC 28299-5325
PO BOX 5326, CHARLOTTE, NC 28299-5326
PO BOX 5327, CHARLOTTE, NC 28299-5327
PO BOX 5328, CHARLOTTE, NC 28299-5328
PO BOX 5329, CHARLOTTE, NC 28299-5329
PO BOX 5330, CHARLOTTE, NC 28299-5330
PO BOX 5331, CHARLOTTE, NC 28299-5331
PO BOX 5332, CHARLOTTE, NC 28299-5332
PO BOX 5333, CHARLOTTE, NC 28299-5333
PO BOX 5334, CHARLOTTE, NC 28299-5334
PO BOX 5335, CHARLOTTE, NC 28299-5335
PO BOX 5336, CHARLOTTE, NC 28299-5336
PO BOX 5337, CHARLOTTE, NC 28299-5337
PO BOX 5338, CHARLOTTE, NC 28299-5338
PO BOX 5339, CHARLOTTE, NC 28299-5339
PO BOX 5340, CHARLOTTE, NC 28299-5340
PO BOX 5341, CHARLOTTE, NC 28299-5341
PO BOX 5342, CHARLOTTE, NC 28299-5342
PO BOX 5343, CHARLOTTE, NC 28299-5343
PO BOX 5344, CHARLOTTE, NC 28299-5344
PO BOX 5345, CHARLOTTE, NC 28299-5345
PO BOX 5346, CHARLOTTE, NC 28299-5346
PO BOX 5347, CHARLOTTE, NC 28299-5347
PO BOX 5348, CHARLOTTE, NC 28299-5348
PO BOX 5349, CHARLOTTE, NC 28299-5349
PO BOX 5350, CHARLOTTE, NC 28299-5350
PO BOX 5351, CHARLOTTE, NC 28299-5351
PO BOX 5352, CHARLOTTE, NC 28299-5352
PO BOX 5353, CHARLOTTE, NC 28299-5353
PO BOX 5354, CHARLOTTE, NC 28299-5354
PO BOX 5355, CHARLOTTE, NC 28299-5355
PO BOX 5356, CHARLOTTE, NC 28299-5356
PO BOX 5357, CHARLOTTE, NC 28299-5357
PO BOX 5358, CHARLOTTE, NC 28299-5358
PO BOX 5359, CHARLOTTE, NC 28299-5359
PO BOX 5360, CHARLOTTE, NC 28299-5360
PO BOX 5361, CHARLOTTE, NC 28299-5361
PO BOX 5362, CHARLOTTE, NC 28299-5362
PO BOX 5363, CHARLOTTE, NC 28299-5363
PO BOX 5364, CHARLOTTE, NC 28299-5364
PO BOX 5365, CHARLOTTE, NC 28299-5365
PO BOX 5366, CHARLOTTE, NC 28299-5366
PO BOX 5367, CHARLOTTE, NC 28299-5367
PO BOX 5368, CHARLOTTE, NC 28299-5368
PO BOX 5369, CHARLOTTE, NC 28299-5369
PO BOX 5370, CHARLOTTE, NC 28299-5370
PO BOX 5371, CHARLOTTE, NC 28299-5371
PO BOX 5372, CHARLOTTE, NC 28299-5372
PO BOX 5373, CHARLOTTE, NC 28299-5373
PO BOX 5374, CHARLOTTE, NC 28299-5374
PO BOX 5375, CHARLOTTE, NC 28299-5375
PO BOX 5376, CHARLOTTE, NC 28299-5376
PO BOX 5377, CHARLOTTE, NC 28299-5377
PO BOX 5378, CHARLOTTE, NC 28299-5378
PO BOX 5379, CHARLOTTE, NC 28299-5379
PO BOX 5380, CHARLOTTE, NC 28299-5380
PO BOX 5381, CHARLOTTE, NC 28299-5381
PO BOX 5382, CHARLOTTE, NC 28299-5382
PO BOX 5383, CHARLOTTE, NC 28299-5383
PO BOX 5384, CHARLOTTE, NC 28299-5384
PO BOX 5385, CHARLOTTE, NC 28299-5385
PO BOX 5386, CHARLOTTE, NC 28299-5386
PO BOX 5387, CHARLOTTE, NC 28299-5387
PO BOX 5388, CHARLOTTE, NC 28299-5388
PO BOX 5389, CHARLOTTE, NC 28299-5389
PO BOX 5390, CHARLOTTE, NC 28299-5390
PO BOX 5391, CHARLOTTE, NC 28299-5391
PO BOX 5392, CHARLOTTE, NC 28299-5392
PO BOX 5393, CHARLOTTE, NC 28299-5393
PO BOX 5394, CHARLOTTE, NC 28299-5394
PO BOX 5395, CHARLOTTE, NC 28299-5395
PO BOX 5396, CHARLOTTE, NC 28299-5396
PO BOX 5397, CHARLOTTE, NC 28299-5397
PO BOX 5398, CHARLOTTE, NC 28299-5398
PO BOX 5399, CHARLOTTE, NC 28299-5399
PO BOX 5400, CHARLOTTE, NC 28299-5400
PO BOX 5401, CHARLOTTE, NC 28299-5401
PO BOX 5402, CHARLOTTE, NC 28299-5402
PO BOX 5403, CHARLOTTE, NC 28299-5403
PO BOX 5404, CHARLOTTE, NC 28299-5404
PO BOX 5405, CHARLOTTE, NC 28299-5405
PO BOX 5406, CHARLOTTE, NC 28299-5406
PO BOX 5407, CHARLOTTE, NC 28299-5407
PO BOX 5408, CHARLOTTE, NC 28299-5408
PO BOX 5409, CHARLOTTE, NC 28299-5409
PO BOX 5410, CHARLOTTE, NC 28299-5410
PO BOX 5411, CHARLOTTE, NC 28299-5411
PO BOX 5412, CHARLOTTE, NC 28299-5412
PO BOX 5413, CHARLOTTE, NC 28299-5413
PO BOX 5414, CHARLOTTE, NC 28299-5414
PO BOX 5415, CHARLOTTE, NC 28299-5415
PO BOX 5416, CHARLOTTE, NC 28299-5416
PO BOX 5417, CHARLOTTE, NC 28299-5417
PO BOX 5418, CHARLOTTE, NC 28299-5418
PO BOX 5419, CHARLOTTE, NC 28299-5419
PO BOX 5420, CHARLOTTE, NC 28299-5420
PO BOX 5421, CHARLOTTE, NC 28299-5421
PO BOX 5422, CHARLOTTE, NC 28299-5422
PO BOX 5423, CHARLOTTE, NC 28299-5423
PO BOX 5424, CHARLOTTE, NC 28299-5424
PO BOX 5425, CHARLOTTE, NC 28299-5425
PO BOX 5426, CHARLOTTE, NC 28299-5426
PO BOX 5427, CHARLOTTE, NC 28299-5427
PO BOX 5428, CHARLOTTE, NC 28299-5428
PO BOX 5429, CHARLOTTE, NC 28299-5429
PO BOX 5430, CHARLOTTE, NC 28299-5430
PO BOX 5431, CHARLOTTE, NC 28299-5431
PO BOX 5432, CHARLOTTE, NC 28299-5432
PO BOX 5433, CHARLOTTE, NC 28299-5433
PO BOX 5434, CHARLOTTE, NC 28299-5434
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