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 301, BREESPORT, NY 14816-0301
PO BOX 302, BREESPORT, NY 14816-0302
PO BOX 303, BREESPORT, NY 14816-0303
PO BOX 304, BREESPORT, NY 14816-0304
PO BOX 305, BREESPORT, NY 14816-0305
PO BOX 306, BREESPORT, NY 14816-0306
PO BOX 307, BREESPORT, NY 14816-0307
PO BOX 308, BREESPORT, NY 14816-0308
PO BOX 309, BREESPORT, NY 14816-0309
PO BOX 310, BREESPORT, NY 14816-0310
PO BOX 311, BREESPORT, NY 14816-0311
PO BOX 312, BREESPORT, NY 14816-0312
PO BOX 313, BREESPORT, NY 14816-0313
PO BOX 314, BREESPORT, NY 14816-0314
PO BOX 315, BREESPORT, NY 14816-0315
PO BOX 316, BREESPORT, NY 14816-0316
PO BOX 317, BREESPORT, NY 14816-0317
PO BOX 318, BREESPORT, NY 14816-0318
PO BOX 319, BREESPORT, NY 14816-0319
PO BOX 320, BREESPORT, NY 14816-0320
PO BOX 321, BREESPORT, NY 14816-0321
PO BOX 322, BREESPORT, NY 14816-0322
PO BOX 323, BREESPORT, NY 14816-0323
PO BOX 324, BREESPORT, NY 14816-0324
PO BOX 325, BREESPORT, NY 14816-0325
PO BOX 326, BREESPORT, NY 14816-0326
PO BOX 327, BREESPORT, NY 14816-0327
PO BOX 328, BREESPORT, NY 14816-0328
PO BOX 329, BREESPORT, NY 14816-0329
PO BOX 330, BREESPORT, NY 14816-0330
PO BOX 331, BREESPORT, NY 14816-0331
PO BOX 332, BREESPORT, NY 14816-0332
PO BOX 333, BREESPORT, NY 14816-0333
PO BOX 334, BREESPORT, NY 14816-0334
PO BOX 335, BREESPORT, NY 14816-0335
PO BOX 336, BREESPORT, NY 14816-0336
PO BOX 337, BREESPORT, NY 14816-0337
PO BOX 338, BREESPORT, NY 14816-0338
PO BOX 339, BREESPORT, NY 14816-0339
PO BOX 340, BREESPORT, NY 14816-0340
PO BOX 341, BREESPORT, NY 14816-0341
PO BOX 342, BREESPORT, NY 14816-0342
PO BOX 343, BREESPORT, NY 14816-0343
PO BOX 344, BREESPORT, NY 14816-0344
PO BOX 345, BREESPORT, NY 14816-0345
PO BOX 346, BREESPORT, NY 14816-0346
PO BOX 347, BREESPORT, NY 14816-0347
PO BOX 348, BREESPORT, NY 14816-0348
PO BOX 349, BREESPORT, NY 14816-0349
PO BOX 350, BREESPORT, NY 14816-0350
PO BOX 351, BREESPORT, NY 14816-0351
PO BOX 352, BREESPORT, NY 14816-0352
PO BOX 353, BREESPORT, NY 14816-0353
PO BOX 354, BREESPORT, NY 14816-0354
PO BOX 355, BREESPORT, NY 14816-0355
PO BOX 356, BREESPORT, NY 14816-0356
PO BOX 357, BREESPORT, NY 14816-0357
PO BOX 358, BREESPORT, NY 14816-0358
PO BOX 359, BREESPORT, NY 14816-0359
PO BOX 360, BREESPORT, NY 14816-0360
PO BOX 361, BREESPORT, NY 14816-0361
PO BOX 362, BREESPORT, NY 14816-0362
PO BOX 363, BREESPORT, NY 14816-0363
PO BOX 364, BREESPORT, NY 14816-0364
PO BOX 365, BREESPORT, NY 14816-0365
PO BOX 366, BREESPORT, NY 14816-0366
PO BOX 367, BREESPORT, NY 14816-0367
PO BOX 368, BREESPORT, NY 14816-0368
PO BOX 369, BREESPORT, NY 14816-0369
PO BOX 370, BREESPORT, NY 14816-0370
PO BOX 371, BREESPORT, NY 14816-0371
PO BOX 372, BREESPORT, NY 14816-0372
PO BOX 373, BREESPORT, NY 14816-0373
PO BOX 374, BREESPORT, NY 14816-0374
PO BOX 375, BREESPORT, NY 14816-0375
PO BOX 376, BREESPORT, NY 14816-0376
PO BOX 377, BREESPORT, NY 14816-0377
PO BOX 378, BREESPORT, NY 14816-0378
PO BOX 379, BREESPORT, NY 14816-0379
PO BOX 380, BREESPORT, NY 14816-0380
PO BOX 381, BREESPORT, NY 14816-0381
PO BOX 382, BREESPORT, NY 14816-0382
PO BOX 383, BREESPORT, NY 14816-0383
PO BOX 384, BREESPORT, NY 14816-0384
PO BOX 385, BREESPORT, NY 14816-0385
PO BOX 386, BREESPORT, NY 14816-0386
PO BOX 387, BREESPORT, NY 14816-0387
PO BOX 388, BREESPORT, NY 14816-0388
PO BOX 389, BREESPORT, NY 14816-0389
PO BOX 390, BREESPORT, NY 14816-0390
PO BOX 391, BREESPORT, NY 14816-0391
PO BOX 392, BREESPORT, NY 14816-0392
PO BOX 393, BREESPORT, NY 14816-0393
PO BOX 394, BREESPORT, NY 14816-0394
PO BOX 395, BREESPORT, NY 14816-0395
PO BOX 396, BREESPORT, NY 14816-0396
PO BOX 397, BREESPORT, NY 14816-0397
PO BOX 398, BREESPORT, NY 14816-0398
PO BOX 399, BREESPORT, NY 14816-0399
PO BOX 400, BREESPORT, NY 14816-0400
PO BOX 401, BREESPORT, NY 14816-0401
PO BOX 402, BREESPORT, NY 14816-0402
PO BOX 403, BREESPORT, NY 14816-0403
PO BOX 404, BREESPORT, NY 14816-0404
PO BOX 405, BREESPORT, NY 14816-0405
PO BOX 406, BREESPORT, NY 14816-0406
PO BOX 407, BREESPORT, NY 14816-0407
PO BOX 408, BREESPORT, NY 14816-0408
PO BOX 409, BREESPORT, NY 14816-0409
PO BOX 410, BREESPORT, NY 14816-0410
PO BOX 411, BREESPORT, NY 14816-0411
PO BOX 412, BREESPORT, NY 14816-0412
PO BOX 413, BREESPORT, NY 14816-0413
PO BOX 414, BREESPORT, NY 14816-0414
PO BOX 415, BREESPORT, NY 14816-0415
PO BOX 416, BREESPORT, NY 14816-0416
PO BOX 417, BREESPORT, NY 14816-0417
PO BOX 418, BREESPORT, NY 14816-0418
PO BOX 419, BREESPORT, NY 14816-0419
PO BOX 420, BREESPORT, NY 14816-0420
PO BOX 421, BREESPORT, NY 14816-0421
PO BOX 422, BREESPORT, NY 14816-0422
PO BOX 423, BREESPORT, NY 14816-0423
PO BOX 424, BREESPORT, NY 14816-0424
PO BOX 425, BREESPORT, NY 14816-0425
PO BOX 426, BREESPORT, NY 14816-0426
PO BOX 427, BREESPORT, NY 14816-0427
PO BOX 428, BREESPORT, NY 14816-0428
PO BOX 429, BREESPORT, NY 14816-0429
PO BOX 430, BREESPORT, NY 14816-0430
PO BOX 431, BREESPORT, NY 14816-0431
PO BOX 432, BREESPORT, NY 14816-0432
PO BOX 433, BREESPORT, NY 14816-0433
PO BOX 434, BREESPORT, NY 14816-0434
PO BOX 435, BREESPORT, NY 14816-0435
PO BOX 436, BREESPORT, NY 14816-0436
PO BOX 437, BREESPORT, NY 14816-0437
PO BOX 438, BREESPORT, NY 14816-0438
PO BOX 439, BREESPORT, NY 14816-0439
PO BOX 440, BREESPORT, NY 14816-0440
PO BOX 441, BREESPORT, NY 14816-0441
PO BOX 442, BREESPORT, NY 14816-0442
PO BOX 443, BREESPORT, NY 14816-0443
PO BOX 444, BREESPORT, NY 14816-0444
PO BOX 445, BREESPORT, NY 14816-0445
PO BOX 446, BREESPORT, NY 14816-0446
PO BOX 447, BREESPORT, NY 14816-0447
PO BOX 448, BREESPORT, NY 14816-0448
PO BOX 449, BREESPORT, NY 14816-0449
PO BOX 450, BREESPORT, NY 14816-0450
PO BOX 451, BREESPORT, NY 14816-0451
PO BOX 452, BREESPORT, NY 14816-0452
PO BOX 453, BREESPORT, NY 14816-0453
PO BOX 454, BREESPORT, NY 14816-0454
PO BOX 455, BREESPORT, NY 14816-0455
PO BOX 456, BREESPORT, NY 14816-0456
PO BOX 457, BREESPORT, NY 14816-0457
PO BOX 458, BREESPORT, NY 14816-0458
PO BOX 459, BREESPORT, NY 14816-0459
PO BOX 460, BREESPORT, NY 14816-0460
PO BOX 461, BREESPORT, NY 14816-0461
PO BOX 462, BREESPORT, NY 14816-0462
PO BOX 463, BREESPORT, NY 14816-0463
PO BOX 464, BREESPORT, NY 14816-0464
PO BOX 465, BREESPORT, NY 14816-0465
PO BOX 466, BREESPORT, NY 14816-0466
PO BOX 467, BREESPORT, NY 14816-0467
PO BOX 468, BREESPORT, NY 14816-0468
PO BOX 469, BREESPORT, NY 14816-0469
PO BOX 470, BREESPORT, NY 14816-0470
PO BOX 471, BREESPORT, NY 14816-0471
PO BOX 472, BREESPORT, NY 14816-0472
PO BOX 473, BREESPORT, NY 14816-0473
PO BOX 474, BREESPORT, NY 14816-0474
PO BOX 475, BREESPORT, NY 14816-0475
PO BOX 476, BREESPORT, NY 14816-0476
PO BOX 477, BREESPORT, NY 14816-0477
PO BOX 478, BREESPORT, NY 14816-0478
PO BOX 479, BREESPORT, NY 14816-0479
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