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 121, BURLINGTON, VT 05402-0121
PO BOX 122, BURLINGTON, VT 05402-0122
PO BOX 123, BURLINGTON, VT 05402-0123
PO BOX 124, BURLINGTON, VT 05402-0124
PO BOX 125, BURLINGTON, VT 05402-0125
PO BOX 126, BURLINGTON, VT 05402-0126
PO BOX 127, BURLINGTON, VT 05402-0127
PO BOX 128, BURLINGTON, VT 05402-0128
PO BOX 129, BURLINGTON, VT 05402-0129
PO BOX 130, BURLINGTON, VT 05402-0130
PO BOX 131, BURLINGTON, VT 05402-0131
PO BOX 132, BURLINGTON, VT 05402-0132
PO BOX 133, BURLINGTON, VT 05402-0133
PO BOX 134, BURLINGTON, VT 05402-0134
PO BOX 135, BURLINGTON, VT 05402-0135
PO BOX 136, BURLINGTON, VT 05402-0136
PO BOX 137, BURLINGTON, VT 05402-0137
PO BOX 138, BURLINGTON, VT 05402-0138
PO BOX 139, BURLINGTON, VT 05402-0139
PO BOX 140, BURLINGTON, VT 05402-0140
PO BOX 141, BURLINGTON, VT 05402-0141
PO BOX 142, BURLINGTON, VT 05402-0142
PO BOX 143, BURLINGTON, VT 05402-0143
PO BOX 144, BURLINGTON, VT 05402-0144
PO BOX 145, BURLINGTON, VT 05402-0145
PO BOX 146, BURLINGTON, VT 05402-0146
PO BOX 147, BURLINGTON, VT 05402-0147
PO BOX 148, BURLINGTON, VT 05402-0148
PO BOX 149, BURLINGTON, VT 05402-0149
PO BOX 150, BURLINGTON, VT 05402-0150
PO BOX 151, BURLINGTON, VT 05402-0151
PO BOX 152, BURLINGTON, VT 05402-0152
PO BOX 153, BURLINGTON, VT 05402-0153
PO BOX 154, BURLINGTON, VT 05402-0154
PO BOX 155, BURLINGTON, VT 05402-0155
PO BOX 156, BURLINGTON, VT 05402-0156
PO BOX 157, BURLINGTON, VT 05402-0157
PO BOX 158, BURLINGTON, VT 05402-0158
PO BOX 159, BURLINGTON, VT 05402-0159
PO BOX 160, BURLINGTON, VT 05402-0160
PO BOX 161, BURLINGTON, VT 05402-0161
PO BOX 162, BURLINGTON, VT 05402-0162
PO BOX 163, BURLINGTON, VT 05402-0163
PO BOX 164, BURLINGTON, VT 05402-0164
PO BOX 165, BURLINGTON, VT 05402-0165
PO BOX 166, BURLINGTON, VT 05402-0166
PO BOX 167, BURLINGTON, VT 05402-0167
PO BOX 168, BURLINGTON, VT 05402-0168
PO BOX 169, BURLINGTON, VT 05402-0169
PO BOX 170, BURLINGTON, VT 05402-0170
PO BOX 171, BURLINGTON, VT 05402-0171
PO BOX 172, BURLINGTON, VT 05402-0172
PO BOX 173, BURLINGTON, VT 05402-0173
PO BOX 174, BURLINGTON, VT 05402-0174
PO BOX 175, BURLINGTON, VT 05402-0175
PO BOX 176, BURLINGTON, VT 05402-0176
PO BOX 177, BURLINGTON, VT 05402-0177
PO BOX 178, BURLINGTON, VT 05402-0178
PO BOX 179, BURLINGTON, VT 05402-0179
PO BOX 180, BURLINGTON, VT 05402-0180
PO BOX 181, BURLINGTON, VT 05402-0181
PO BOX 182, BURLINGTON, VT 05402-0182
PO BOX 183, BURLINGTON, VT 05402-0183
PO BOX 184, BURLINGTON, VT 05402-0184
PO BOX 185, BURLINGTON, VT 05402-0185
PO BOX 186, BURLINGTON, VT 05402-0186
PO BOX 187, BURLINGTON, VT 05402-0187
PO BOX 188, BURLINGTON, VT 05402-0188
PO BOX 189, BURLINGTON, VT 05402-0189
PO BOX 190, BURLINGTON, VT 05402-0190
PO BOX 191, BURLINGTON, VT 05402-0191
PO BOX 192, BURLINGTON, VT 05402-0192
PO BOX 193, BURLINGTON, VT 05402-0193
PO BOX 194, BURLINGTON, VT 05402-0194
PO BOX 195, BURLINGTON, VT 05402-0195
PO BOX 196, BURLINGTON, VT 05402-0196
PO BOX 197, BURLINGTON, VT 05402-0197
PO BOX 198, BURLINGTON, VT 05402-0198
PO BOX 199, BURLINGTON, VT 05402-0199
PO BOX 200, BURLINGTON, VT 05402-0200
PO BOX 201, BURLINGTON, VT 05402-0201
PO BOX 202, BURLINGTON, VT 05402-0202
PO BOX 203, BURLINGTON, VT 05402-0203
PO BOX 204, BURLINGTON, VT 05402-0204
PO BOX 205, BURLINGTON, VT 05402-0205
PO BOX 206, BURLINGTON, VT 05402-0206
PO BOX 207, BURLINGTON, VT 05402-0207
PO BOX 208, BURLINGTON, VT 05402-0208
PO BOX 209, BURLINGTON, VT 05402-0209
PO BOX 210, BURLINGTON, VT 05402-0210
PO BOX 211, BURLINGTON, VT 05402-0211
PO BOX 212, BURLINGTON, VT 05402-0212
PO BOX 213, BURLINGTON, VT 05402-0213
PO BOX 214, BURLINGTON, VT 05402-0214
PO BOX 215, BURLINGTON, VT 05402-0215
PO BOX 216, BURLINGTON, VT 05402-0216
PO BOX 217, BURLINGTON, VT 05402-0217
PO BOX 218, BURLINGTON, VT 05402-0218
PO BOX 219, BURLINGTON, VT 05402-0219
PO BOX 220, BURLINGTON, VT 05402-0220
PO BOX 221, BURLINGTON, VT 05402-0221
PO BOX 222, BURLINGTON, VT 05402-0222
PO BOX 223, BURLINGTON, VT 05402-0223
PO BOX 224, BURLINGTON, VT 05402-0224
PO BOX 225, BURLINGTON, VT 05402-0225
PO BOX 226, BURLINGTON, VT 05402-0226
PO BOX 227, BURLINGTON, VT 05402-0227
PO BOX 228, BURLINGTON, VT 05402-0228
PO BOX 229, BURLINGTON, VT 05402-0229
PO BOX 230, BURLINGTON, VT 05402-0230
PO BOX 231, BURLINGTON, VT 05402-0231
PO BOX 232, BURLINGTON, VT 05402-0232
PO BOX 233, BURLINGTON, VT 05402-0233
PO BOX 234, BURLINGTON, VT 05402-0234
PO BOX 235, BURLINGTON, VT 05402-0235
PO BOX 236, BURLINGTON, VT 05402-0236
PO BOX 237, BURLINGTON, VT 05402-0237
PO BOX 238, BURLINGTON, VT 05402-0238
PO BOX 239, BURLINGTON, VT 05402-0239
PO BOX 240, BURLINGTON, VT 05402-0240
PO BOX 241, BURLINGTON, VT 05402-0241
PO BOX 242, BURLINGTON, VT 05402-0242
PO BOX 243, BURLINGTON, VT 05402-0243
PO BOX 244, BURLINGTON, VT 05402-0244
PO BOX 245, BURLINGTON, VT 05402-0245
PO BOX 246, BURLINGTON, VT 05402-0246
PO BOX 247, BURLINGTON, VT 05402-0247
PO BOX 248, BURLINGTON, VT 05402-0248
PO BOX 249, BURLINGTON, VT 05402-0249
PO BOX 250, BURLINGTON, VT 05402-0250
PO BOX 251, BURLINGTON, VT 05402-0251
PO BOX 252, BURLINGTON, VT 05402-0252
PO BOX 253, BURLINGTON, VT 05402-0253
PO BOX 254, BURLINGTON, VT 05402-0254
PO BOX 255, BURLINGTON, VT 05402-0255
PO BOX 256, BURLINGTON, VT 05402-0256
PO BOX 257, BURLINGTON, VT 05402-0257
PO BOX 258, BURLINGTON, VT 05402-0258
PO BOX 259, BURLINGTON, VT 05402-0259
PO BOX 260, BURLINGTON, VT 05402-0260
PO BOX 261, BURLINGTON, VT 05402-0261
PO BOX 262, BURLINGTON, VT 05402-0262
PO BOX 263, BURLINGTON, VT 05402-0263
PO BOX 264, BURLINGTON, VT 05402-0264
PO BOX 265, BURLINGTON, VT 05402-0265
PO BOX 266, BURLINGTON, VT 05402-0266
PO BOX 267, BURLINGTON, VT 05402-0267
PO BOX 268, BURLINGTON, VT 05402-0268
PO BOX 269, BURLINGTON, VT 05402-0269
PO BOX 270, BURLINGTON, VT 05402-0270
PO BOX 271, BURLINGTON, VT 05402-0271
PO BOX 272, BURLINGTON, VT 05402-0272
PO BOX 273, BURLINGTON, VT 05402-0273
PO BOX 274, BURLINGTON, VT 05402-0274
PO BOX 275, BURLINGTON, VT 05402-0275
PO BOX 276, BURLINGTON, VT 05402-0276
PO BOX 277, BURLINGTON, VT 05402-0277
PO BOX 278, BURLINGTON, VT 05402-0278
PO BOX 279, BURLINGTON, VT 05402-0279
PO BOX 280, BURLINGTON, VT 05402-0280
PO BOX 281, BURLINGTON, VT 05402-0281
PO BOX 282, BURLINGTON, VT 05402-0282
PO BOX 283, BURLINGTON, VT 05402-0283
PO BOX 284, BURLINGTON, VT 05402-0284
PO BOX 285, BURLINGTON, VT 05402-0285
PO BOX 286, BURLINGTON, VT 05402-0286
PO BOX 287, BURLINGTON, VT 05402-0287
PO BOX 288, BURLINGTON, VT 05402-0288
PO BOX 289, BURLINGTON, VT 05402-0289
PO BOX 290, BURLINGTON, VT 05402-0290
PO BOX 291, BURLINGTON, VT 05402-0291
PO BOX 292, BURLINGTON, VT 05402-0292
PO BOX 293, BURLINGTON, VT 05402-0293
PO BOX 294, BURLINGTON, VT 05402-0294
PO BOX 295, BURLINGTON, VT 05402-0295
PO BOX 296, BURLINGTON, VT 05402-0296
PO BOX 297, BURLINGTON, VT 05402-0297
PO BOX 298, BURLINGTON, VT 05402-0298
PO BOX 299, BURLINGTON, VT 05402-0299
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