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 5301, BURLINGTON, VT 05402-5301
PO BOX 5302, BURLINGTON, VT 05402-5302
PO BOX 5303, BURLINGTON, VT 05402-5303
PO BOX 5304, BURLINGTON, VT 05402-5304
PO BOX 5305, BURLINGTON, VT 05402-5305
PO BOX 5306, BURLINGTON, VT 05402-5306
PO BOX 5307, BURLINGTON, VT 05402-5307
PO BOX 5308, BURLINGTON, VT 05402-5308
PO BOX 5309, BURLINGTON, VT 05402-5309
PO BOX 5310, BURLINGTON, VT 05402-5310
PO BOX 5311, BURLINGTON, VT 05402-5311
PO BOX 5312, BURLINGTON, VT 05402-5312
PO BOX 5313, BURLINGTON, VT 05402-5313
PO BOX 5314, BURLINGTON, VT 05402-5314
PO BOX 5315, BURLINGTON, VT 05402-5315
PO BOX 5316, BURLINGTON, VT 05402-5316
PO BOX 5317, BURLINGTON, VT 05402-5317
PO BOX 5318, BURLINGTON, VT 05402-5318
PO BOX 5319, BURLINGTON, VT 05402-5319
PO BOX 5320, BURLINGTON, VT 05402-5320
PO BOX 5321, BURLINGTON, VT 05402-5321
PO BOX 5322, BURLINGTON, VT 05402-5322
PO BOX 5323, BURLINGTON, VT 05402-5323
PO BOX 5324, BURLINGTON, VT 05402-5324
PO BOX 5325, BURLINGTON, VT 05402-5325
PO BOX 5326, BURLINGTON, VT 05402-5326
PO BOX 5327, BURLINGTON, VT 05402-5327
PO BOX 5328, BURLINGTON, VT 05402-5328
PO BOX 5329, BURLINGTON, VT 05402-5329
PO BOX 5330, BURLINGTON, VT 05402-5330
PO BOX 5331, BURLINGTON, VT 05402-5331
PO BOX 5332, BURLINGTON, VT 05402-5332
PO BOX 5333, BURLINGTON, VT 05402-5333
PO BOX 5334, BURLINGTON, VT 05402-5334
PO BOX 5335, BURLINGTON, VT 05402-5335
PO BOX 5336, BURLINGTON, VT 05402-5336
PO BOX 5337, BURLINGTON, VT 05402-5337
PO BOX 5338, BURLINGTON, VT 05402-5338
PO BOX 5339, BURLINGTON, VT 05402-5339
PO BOX 5340, BURLINGTON, VT 05402-5340
PO BOX 5341, BURLINGTON, VT 05402-5341
PO BOX 5342, BURLINGTON, VT 05402-5342
PO BOX 5343, BURLINGTON, VT 05402-5343
PO BOX 5344, BURLINGTON, VT 05402-5344
PO BOX 5345, BURLINGTON, VT 05402-5345
PO BOX 5346, BURLINGTON, VT 05402-5346
PO BOX 5347, BURLINGTON, VT 05402-5347
PO BOX 5348, BURLINGTON, VT 05402-5348
PO BOX 5349, BURLINGTON, VT 05402-5349
PO BOX 5350, BURLINGTON, VT 05402-5350
PO BOX 5351, BURLINGTON, VT 05402-5351
PO BOX 5352, BURLINGTON, VT 05402-5352
PO BOX 5353, BURLINGTON, VT 05402-5353
PO BOX 5354, BURLINGTON, VT 05402-5354
PO BOX 5355, BURLINGTON, VT 05402-5355
PO BOX 5356, BURLINGTON, VT 05402-5356
PO BOX 5357, BURLINGTON, VT 05402-5357
PO BOX 5358, BURLINGTON, VT 05402-5358
PO BOX 5359, BURLINGTON, VT 05402-5359
PO BOX 5360, BURLINGTON, VT 05402-5360
PO BOX 5361, BURLINGTON, VT 05402-5361
PO BOX 5362, BURLINGTON, VT 05402-5362
PO BOX 5363, BURLINGTON, VT 05402-5363
PO BOX 5364, BURLINGTON, VT 05402-5364
PO BOX 5365, BURLINGTON, VT 05402-5365
PO BOX 5366, BURLINGTON, VT 05402-5366
PO BOX 5367, BURLINGTON, VT 05402-5367
PO BOX 5368, BURLINGTON, VT 05402-5368
PO BOX 5369, BURLINGTON, VT 05402-5369
PO BOX 5370, BURLINGTON, VT 05402-5370
PO BOX 5371, BURLINGTON, VT 05402-5371
PO BOX 5372, BURLINGTON, VT 05402-5372
PO BOX 5373, BURLINGTON, VT 05402-5373
PO BOX 5374, BURLINGTON, VT 05402-5374
PO BOX 5375, BURLINGTON, VT 05402-5375
PO BOX 5376, BURLINGTON, VT 05402-5376
PO BOX 5377, BURLINGTON, VT 05402-5377
PO BOX 5378, BURLINGTON, VT 05402-5378
PO BOX 5379, BURLINGTON, VT 05402-5379
PO BOX 5380, BURLINGTON, VT 05402-5380
PO BOX 5381, BURLINGTON, VT 05402-5381
PO BOX 5382, BURLINGTON, VT 05402-5382
PO BOX 5383, BURLINGTON, VT 05402-5383
PO BOX 5384, BURLINGTON, VT 05402-5384
PO BOX 5385, BURLINGTON, VT 05402-5385
PO BOX 5386, BURLINGTON, VT 05402-5386
PO BOX 5387, BURLINGTON, VT 05402-5387
PO BOX 5388, BURLINGTON, VT 05402-5388
PO BOX 5389, BURLINGTON, VT 05402-5389
PO BOX 5390, BURLINGTON, VT 05402-5390
PO BOX 5391, BURLINGTON, VT 05402-5391
PO BOX 5392, BURLINGTON, VT 05402-5392
PO BOX 5393, BURLINGTON, VT 05402-5393
PO BOX 5394, BURLINGTON, VT 05402-5394
PO BOX 5395, BURLINGTON, VT 05402-5395
PO BOX 5396, BURLINGTON, VT 05402-5396
PO BOX 5397, BURLINGTON, VT 05402-5397
PO BOX 5398, BURLINGTON, VT 05402-5398
PO BOX 5399, BURLINGTON, VT 05402-5399
PO BOX 5400, BURLINGTON, VT 05402-5400
PO BOX 5401, BURLINGTON, VT 05402-5401
PO BOX 5402, BURLINGTON, VT 05402-5402
PO BOX 5403, BURLINGTON, VT 05402-5403
PO BOX 5404, BURLINGTON, VT 05402-5404
PO BOX 5405, BURLINGTON, VT 05402-5405
PO BOX 5406, BURLINGTON, VT 05402-5406
PO BOX 5407, BURLINGTON, VT 05402-5407
PO BOX 5408, BURLINGTON, VT 05402-5408
PO BOX 5409, BURLINGTON, VT 05402-5409
PO BOX 5410, BURLINGTON, VT 05402-5410
PO BOX 5411, BURLINGTON, VT 05402-5411
PO BOX 5412, BURLINGTON, VT 05402-5412
PO BOX 5413, BURLINGTON, VT 05402-5413
PO BOX 5414, BURLINGTON, VT 05402-5414
PO BOX 5415, BURLINGTON, VT 05402-5415
PO BOX 5416, BURLINGTON, VT 05402-5416
PO BOX 5417, BURLINGTON, VT 05402-5417
PO BOX 5418, BURLINGTON, VT 05402-5418
PO BOX 5419, BURLINGTON, VT 05402-5419
PO BOX 5420, BURLINGTON, VT 05402-5420
PO BOX 5421, BURLINGTON, VT 05402-5421
PO BOX 5422, BURLINGTON, VT 05402-5422
PO BOX 5423, BURLINGTON, VT 05402-5423
PO BOX 5424, BURLINGTON, VT 05402-5424
PO BOX 5425, BURLINGTON, VT 05402-5425
PO BOX 5426, BURLINGTON, VT 05402-5426
PO BOX 5427, BURLINGTON, VT 05402-5427
PO BOX 5428, BURLINGTON, VT 05402-5428
PO BOX 5429, BURLINGTON, VT 05402-5429
PO BOX 5430, BURLINGTON, VT 05402-5430
PO BOX 5431, BURLINGTON, VT 05402-5431
PO BOX 5432, BURLINGTON, VT 05402-5432
PO BOX 5433, BURLINGTON, VT 05402-5433
PO BOX 5434, BURLINGTON, VT 05402-5434
PO BOX 5435, BURLINGTON, VT 05402-5435
PO BOX 5436, BURLINGTON, VT 05402-5436
PO BOX 5437, BURLINGTON, VT 05402-5437
PO BOX 5438, BURLINGTON, VT 05402-5438
PO BOX 5439, BURLINGTON, VT 05402-5439
PO BOX 5440, BURLINGTON, VT 05402-5440
PO BOX 5441, BURLINGTON, VT 05402-5441
PO BOX 5442, BURLINGTON, VT 05402-5442
PO BOX 5443, BURLINGTON, VT 05402-5443
PO BOX 5444, BURLINGTON, VT 05402-5444
PO BOX 5445, BURLINGTON, VT 05402-5445
PO BOX 5446, BURLINGTON, VT 05402-5446
PO BOX 5447, BURLINGTON, VT 05402-5447
PO BOX 5448, BURLINGTON, VT 05402-5448
PO BOX 5449, BURLINGTON, VT 05402-5449
PO BOX 5450, BURLINGTON, VT 05402-5450
PO BOX 5451, BURLINGTON, VT 05402-5451
PO BOX 5452, BURLINGTON, VT 05402-5452
PO BOX 5453, BURLINGTON, VT 05402-5453
PO BOX 5454, BURLINGTON, VT 05402-5454
PO BOX 5455, BURLINGTON, VT 05402-5455
PO BOX 5456, BURLINGTON, VT 05402-5456
PO BOX 5457, BURLINGTON, VT 05402-5457
PO BOX 5458, BURLINGTON, VT 05402-5458
PO BOX 5459, BURLINGTON, VT 05402-5459
PO BOX 5460, BURLINGTON, VT 05402-5460
PO BOX 5461, BURLINGTON, VT 05402-5461
PO BOX 5462, BURLINGTON, VT 05402-5462
PO BOX 5463, BURLINGTON, VT 05402-5463
PO BOX 5464, BURLINGTON, VT 05402-5464
PO BOX 5465, BURLINGTON, VT 05402-5465
PO BOX 5466, BURLINGTON, VT 05402-5466
PO BOX 5467, BURLINGTON, VT 05402-5467
PO BOX 5468, BURLINGTON, VT 05402-5468
PO BOX 5469, BURLINGTON, VT 05402-5469
PO BOX 5470, BURLINGTON, VT 05402-5470
PO BOX 5471, BURLINGTON, VT 05402-5471
PO BOX 5472, BURLINGTON, VT 05402-5472
PO BOX 5473, BURLINGTON, VT 05402-5473
PO BOX 5474, BURLINGTON, VT 05402-5474
PO BOX 5475, BURLINGTON, VT 05402-5475
PO BOX 5476, BURLINGTON, VT 05402-5476
PO BOX 5477, BURLINGTON, VT 05402-5477
PO BOX 5478, BURLINGTON, VT 05402-5478
PO BOX 5479, BURLINGTON, VT 05402-5479
PO BOX 5480, BURLINGTON, VT 05402-5480
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