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 201, PERTH AMBOY, NJ 08862-0201
PO BOX 202, PERTH AMBOY, NJ 08862-0202
PO BOX 203, PERTH AMBOY, NJ 08862-0203
PO BOX 204, PERTH AMBOY, NJ 08862-0204
PO BOX 205, PERTH AMBOY, NJ 08862-0205
PO BOX 206, PERTH AMBOY, NJ 08862-0206
PO BOX 207, PERTH AMBOY, NJ 08862-0207
PO BOX 208, PERTH AMBOY, NJ 08862-0208
PO BOX 209, PERTH AMBOY, NJ 08862-0209
PO BOX 210, PERTH AMBOY, NJ 08862-0210
PO BOX 211, PERTH AMBOY, NJ 08862-0211
PO BOX 212, PERTH AMBOY, NJ 08862-0212
PO BOX 213, PERTH AMBOY, NJ 08862-0213
PO BOX 214, PERTH AMBOY, NJ 08862-0214
PO BOX 215, PERTH AMBOY, NJ 08862-0215
PO BOX 216, PERTH AMBOY, NJ 08862-0216
PO BOX 217, PERTH AMBOY, NJ 08862-0217
PO BOX 218, PERTH AMBOY, NJ 08862-0218
PO BOX 219, PERTH AMBOY, NJ 08862-0219
PO BOX 220, PERTH AMBOY, NJ 08862-0220
PO BOX 221, PERTH AMBOY, NJ 08862-0221
PO BOX 222, PERTH AMBOY, NJ 08862-0222
PO BOX 223, PERTH AMBOY, NJ 08862-0223
PO BOX 224, PERTH AMBOY, NJ 08862-0224
PO BOX 225, PERTH AMBOY, NJ 08862-0225
PO BOX 226, PERTH AMBOY, NJ 08862-0226
PO BOX 227, PERTH AMBOY, NJ 08862-0227
PO BOX 228, PERTH AMBOY, NJ 08862-0228
PO BOX 229, PERTH AMBOY, NJ 08862-0229
PO BOX 230, PERTH AMBOY, NJ 08862-0230
PO BOX 231, PERTH AMBOY, NJ 08862-0231
PO BOX 232, PERTH AMBOY, NJ 08862-0232
PO BOX 233, PERTH AMBOY, NJ 08862-0233
PO BOX 234, PERTH AMBOY, NJ 08862-0234
PO BOX 235, PERTH AMBOY, NJ 08862-0235
PO BOX 236, PERTH AMBOY, NJ 08862-0236
PO BOX 237, PERTH AMBOY, NJ 08862-0237
PO BOX 238, PERTH AMBOY, NJ 08862-0238
PO BOX 239, PERTH AMBOY, NJ 08862-0239
PO BOX 240, PERTH AMBOY, NJ 08862-0240
PO BOX 241, PERTH AMBOY, NJ 08862-0241
PO BOX 242, PERTH AMBOY, NJ 08862-0242
PO BOX 243, PERTH AMBOY, NJ 08862-0243
PO BOX 244, PERTH AMBOY, NJ 08862-0244
PO BOX 245, PERTH AMBOY, NJ 08862-0245
PO BOX 246, PERTH AMBOY, NJ 08862-0246
PO BOX 247, PERTH AMBOY, NJ 08862-0247
PO BOX 248, PERTH AMBOY, NJ 08862-0248
PO BOX 249, PERTH AMBOY, NJ 08862-0249
PO BOX 250, PERTH AMBOY, NJ 08862-0250
PO BOX 251, PERTH AMBOY, NJ 08862-0251
PO BOX 252, PERTH AMBOY, NJ 08862-0252
PO BOX 253, PERTH AMBOY, NJ 08862-0253
PO BOX 254, PERTH AMBOY, NJ 08862-0254
PO BOX 255, PERTH AMBOY, NJ 08862-0255
PO BOX 256, PERTH AMBOY, NJ 08862-0256
PO BOX 257, PERTH AMBOY, NJ 08862-0257
PO BOX 258, PERTH AMBOY, NJ 08862-0258
PO BOX 259, PERTH AMBOY, NJ 08862-0259
PO BOX 260, PERTH AMBOY, NJ 08862-0260
PO BOX 261, PERTH AMBOY, NJ 08862-0261
PO BOX 262, PERTH AMBOY, NJ 08862-0262
PO BOX 263, PERTH AMBOY, NJ 08862-0263
PO BOX 264, PERTH AMBOY, NJ 08862-0264
PO BOX 265, PERTH AMBOY, NJ 08862-0265
PO BOX 266, PERTH AMBOY, NJ 08862-0266
PO BOX 267, PERTH AMBOY, NJ 08862-0267
PO BOX 268, PERTH AMBOY, NJ 08862-0268
PO BOX 269, PERTH AMBOY, NJ 08862-0269
PO BOX 270, PERTH AMBOY, NJ 08862-0270
PO BOX 271, PERTH AMBOY, NJ 08862-0271
PO BOX 272, PERTH AMBOY, NJ 08862-0272
PO BOX 273, PERTH AMBOY, NJ 08862-0273
PO BOX 274, PERTH AMBOY, NJ 08862-0274
PO BOX 275, PERTH AMBOY, NJ 08862-0275
PO BOX 276, PERTH AMBOY, NJ 08862-0276
PO BOX 277, PERTH AMBOY, NJ 08862-0277
PO BOX 278, PERTH AMBOY, NJ 08862-0278
PO BOX 279, PERTH AMBOY, NJ 08862-0279
PO BOX 280, PERTH AMBOY, NJ 08862-0280
PO BOX 281, PERTH AMBOY, NJ 08862-0281
PO BOX 282, PERTH AMBOY, NJ 08862-0282
PO BOX 283, PERTH AMBOY, NJ 08862-0283
PO BOX 284, PERTH AMBOY, NJ 08862-0284
PO BOX 285, PERTH AMBOY, NJ 08862-0285
PO BOX 286, PERTH AMBOY, NJ 08862-0286
PO BOX 287, PERTH AMBOY, NJ 08862-0287
PO BOX 288, PERTH AMBOY, NJ 08862-0288
PO BOX 289, PERTH AMBOY, NJ 08862-0289
PO BOX 290, PERTH AMBOY, NJ 08862-0290
PO BOX 291, PERTH AMBOY, NJ 08862-0291
PO BOX 292, PERTH AMBOY, NJ 08862-0292
PO BOX 293, PERTH AMBOY, NJ 08862-0293
PO BOX 294, PERTH AMBOY, NJ 08862-0294
PO BOX 295, PERTH AMBOY, NJ 08862-0295
PO BOX 296, PERTH AMBOY, NJ 08862-0296
PO BOX 297, PERTH AMBOY, NJ 08862-0297
PO BOX 298, PERTH AMBOY, NJ 08862-0298
PO BOX 299, PERTH AMBOY, NJ 08862-0299
PO BOX 300, PERTH AMBOY, NJ 08862-0300
PO BOX 301, PERTH AMBOY, NJ 08862-0301
PO BOX 302, PERTH AMBOY, NJ 08862-0302
PO BOX 303, PERTH AMBOY, NJ 08862-0303
PO BOX 304, PERTH AMBOY, NJ 08862-0304
PO BOX 305, PERTH AMBOY, NJ 08862-0305
PO BOX 306, PERTH AMBOY, NJ 08862-0306
PO BOX 307, PERTH AMBOY, NJ 08862-0307
PO BOX 308, PERTH AMBOY, NJ 08862-0308
PO BOX 309, PERTH AMBOY, NJ 08862-0309
PO BOX 310, PERTH AMBOY, NJ 08862-0310
PO BOX 311, PERTH AMBOY, NJ 08862-0311
PO BOX 312, PERTH AMBOY, NJ 08862-0312
PO BOX 313, PERTH AMBOY, NJ 08862-0313
PO BOX 314, PERTH AMBOY, NJ 08862-0314
PO BOX 315, PERTH AMBOY, NJ 08862-0315
PO BOX 316, PERTH AMBOY, NJ 08862-0316
PO BOX 317, PERTH AMBOY, NJ 08862-0317
PO BOX 318, PERTH AMBOY, NJ 08862-0318
PO BOX 319, PERTH AMBOY, NJ 08862-0319
PO BOX 320, PERTH AMBOY, NJ 08862-0320
PO BOX 321, PERTH AMBOY, NJ 08862-0321
PO BOX 322, PERTH AMBOY, NJ 08862-0322
PO BOX 323, PERTH AMBOY, NJ 08862-0323
PO BOX 324, PERTH AMBOY, NJ 08862-0324
PO BOX 325, PERTH AMBOY, NJ 08862-0325
PO BOX 326, PERTH AMBOY, NJ 08862-0326
PO BOX 327, PERTH AMBOY, NJ 08862-0327
PO BOX 328, PERTH AMBOY, NJ 08862-0328
PO BOX 329, PERTH AMBOY, NJ 08862-0329
PO BOX 330, PERTH AMBOY, NJ 08862-0330
PO BOX 331, PERTH AMBOY, NJ 08862-0331
PO BOX 332, PERTH AMBOY, NJ 08862-0332
PO BOX 333, PERTH AMBOY, NJ 08862-0333
PO BOX 334, PERTH AMBOY, NJ 08862-0334
PO BOX 335, PERTH AMBOY, NJ 08862-0335
PO BOX 336, PERTH AMBOY, NJ 08862-0336
PO BOX 337, PERTH AMBOY, NJ 08862-0337
PO BOX 338, PERTH AMBOY, NJ 08862-0338
PO BOX 339, PERTH AMBOY, NJ 08862-0339
PO BOX 340, PERTH AMBOY, NJ 08862-0340
PO BOX 341, PERTH AMBOY, NJ 08862-0341
PO BOX 342, PERTH AMBOY, NJ 08862-0342
PO BOX 343, PERTH AMBOY, NJ 08862-0343
PO BOX 344, PERTH AMBOY, NJ 08862-0344
PO BOX 345, PERTH AMBOY, NJ 08862-0345
PO BOX 346, PERTH AMBOY, NJ 08862-0346
PO BOX 347, PERTH AMBOY, NJ 08862-0347
PO BOX 348, PERTH AMBOY, NJ 08862-0348
PO BOX 349, PERTH AMBOY, NJ 08862-0349
PO BOX 350, PERTH AMBOY, NJ 08862-0350
PO BOX 351, PERTH AMBOY, NJ 08862-0351
PO BOX 352, PERTH AMBOY, NJ 08862-0352
PO BOX 353, PERTH AMBOY, NJ 08862-0353
PO BOX 354, PERTH AMBOY, NJ 08862-0354
PO BOX 355, PERTH AMBOY, NJ 08862-0355
PO BOX 356, PERTH AMBOY, NJ 08862-0356
PO BOX 357, PERTH AMBOY, NJ 08862-0357
PO BOX 358, PERTH AMBOY, NJ 08862-0358
PO BOX 359, PERTH AMBOY, NJ 08862-0359
PO BOX 360, PERTH AMBOY, NJ 08862-0360
PO BOX 361, PERTH AMBOY, NJ 08862-0361
PO BOX 362, PERTH AMBOY, NJ 08862-0362
PO BOX 363, PERTH AMBOY, NJ 08862-0363
PO BOX 364, PERTH AMBOY, NJ 08862-0364
PO BOX 365, PERTH AMBOY, NJ 08862-0365
PO BOX 366, PERTH AMBOY, NJ 08862-0366
PO BOX 367, PERTH AMBOY, NJ 08862-0367
PO BOX 368, PERTH AMBOY, NJ 08862-0368
PO BOX 369, PERTH AMBOY, NJ 08862-0369
PO BOX 370, PERTH AMBOY, NJ 08862-0370
PO BOX 371, PERTH AMBOY, NJ 08862-0371
PO BOX 372, PERTH AMBOY, NJ 08862-0372
PO BOX 373, PERTH AMBOY, NJ 08862-0373
PO BOX 374, PERTH AMBOY, NJ 08862-0374
PO BOX 375, PERTH AMBOY, NJ 08862-0375
PO BOX 376, PERTH AMBOY, NJ 08862-0376
PO BOX 377, PERTH AMBOY, NJ 08862-0377
PO BOX 378, PERTH AMBOY, NJ 08862-0378
PO BOX 379, PERTH AMBOY, NJ 08862-0379
PO BOX 380, PERTH AMBOY, NJ 08862-0380
PO BOX 381, PERTH AMBOY, NJ 08862-0381
PO BOX 382, PERTH AMBOY, NJ 08862-0382
PO BOX 383, PERTH AMBOY, NJ 08862-0383
PO BOX 384, PERTH AMBOY, NJ 08862-0384
PO BOX 385, PERTH AMBOY, NJ 08862-0385
PO BOX 386, PERTH AMBOY, NJ 08862-0386
PO BOX 387, PERTH AMBOY, NJ 08862-0387
PO BOX 388, PERTH AMBOY, NJ 08862-0388
PO BOX 389, PERTH AMBOY, NJ 08862-0389
PO BOX 390, PERTH AMBOY, NJ 08862-0390
PO BOX 391, PERTH AMBOY, NJ 08862-0391
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