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 273101, ROCHESTER, NY 14627-3101
PO BOX 273102, ROCHESTER, NY 14627-3102
PO BOX 273103, ROCHESTER, NY 14627-3103
PO BOX 273104, ROCHESTER, NY 14627-3104
PO BOX 273105, ROCHESTER, NY 14627-3105
PO BOX 273106, ROCHESTER, NY 14627-3106
PO BOX 273107, ROCHESTER, NY 14627-3107
PO BOX 273108, ROCHESTER, NY 14627-3108
PO BOX 273109, ROCHESTER, NY 14627-3109
PO BOX 273110, ROCHESTER, NY 14627-3110
PO BOX 273111, ROCHESTER, NY 14627-3111
PO BOX 273112, ROCHESTER, NY 14627-3112
PO BOX 273113, ROCHESTER, NY 14627-3113
PO BOX 273114, ROCHESTER, NY 14627-3114
PO BOX 273115, ROCHESTER, NY 14627-3115
PO BOX 273116, ROCHESTER, NY 14627-3116
PO BOX 273117, ROCHESTER, NY 14627-3117
PO BOX 273118, ROCHESTER, NY 14627-3118
PO BOX 273119, ROCHESTER, NY 14627-3119
PO BOX 273120, ROCHESTER, NY 14627-3120
PO BOX 273121, ROCHESTER, NY 14627-3121
PO BOX 273122, ROCHESTER, NY 14627-3122
PO BOX 273123, ROCHESTER, NY 14627-3123
PO BOX 273124, ROCHESTER, NY 14627-3124
PO BOX 273125, ROCHESTER, NY 14627-3125
PO BOX 273126, ROCHESTER, NY 14627-3126
PO BOX 273127, ROCHESTER, NY 14627-3127
PO BOX 273128, ROCHESTER, NY 14627-3128
PO BOX 273129, ROCHESTER, NY 14627-3129
PO BOX 273130, ROCHESTER, NY 14627-3130
PO BOX 273131, ROCHESTER, NY 14627-3131
PO BOX 273132, ROCHESTER, NY 14627-3132
PO BOX 273133, ROCHESTER, NY 14627-3133
PO BOX 273134, ROCHESTER, NY 14627-3134
PO BOX 273135, ROCHESTER, NY 14627-3135
PO BOX 273136, ROCHESTER, NY 14627-3136
PO BOX 273137, ROCHESTER, NY 14627-3137
PO BOX 273138, ROCHESTER, NY 14627-3138
PO BOX 273139, ROCHESTER, NY 14627-3139
PO BOX 273140, ROCHESTER, NY 14627-3140
PO BOX 273141, ROCHESTER, NY 14627-3141
PO BOX 273142, ROCHESTER, NY 14627-3142
PO BOX 273143, ROCHESTER, NY 14627-3143
PO BOX 273144, ROCHESTER, NY 14627-3144
PO BOX 273145, ROCHESTER, NY 14627-3145
PO BOX 273146, ROCHESTER, NY 14627-3146
PO BOX 273147, ROCHESTER, NY 14627-3147
PO BOX 273148, ROCHESTER, NY 14627-3148
PO BOX 273149, ROCHESTER, NY 14627-3149
PO BOX 273150, ROCHESTER, NY 14627-3150
PO BOX 273151, ROCHESTER, NY 14627-3151
PO BOX 273152, ROCHESTER, NY 14627-3152
PO BOX 273153, ROCHESTER, NY 14627-3153
PO BOX 273154, ROCHESTER, NY 14627-3154
PO BOX 273155, ROCHESTER, NY 14627-3155
PO BOX 273156, ROCHESTER, NY 14627-3156
PO BOX 273157, ROCHESTER, NY 14627-3157
PO BOX 273158, ROCHESTER, NY 14627-3158
PO BOX 273159, ROCHESTER, NY 14627-3159
PO BOX 273160, ROCHESTER, NY 14627-3160
PO BOX 273161, ROCHESTER, NY 14627-3161
PO BOX 273162, ROCHESTER, NY 14627-3162
PO BOX 273163, ROCHESTER, NY 14627-3163
PO BOX 273164, ROCHESTER, NY 14627-3164
PO BOX 273165, ROCHESTER, NY 14627-3165
PO BOX 273166, ROCHESTER, NY 14627-3166
PO BOX 273167, ROCHESTER, NY 14627-3167
PO BOX 273168, ROCHESTER, NY 14627-3168
PO BOX 273169, ROCHESTER, NY 14627-3169
PO BOX 273170, ROCHESTER, NY 14627-3170
PO BOX 273171, ROCHESTER, NY 14627-3171
PO BOX 273172, ROCHESTER, NY 14627-3172
PO BOX 273173, ROCHESTER, NY 14627-3173
PO BOX 273174, ROCHESTER, NY 14627-3174
PO BOX 273175, ROCHESTER, NY 14627-3175
PO BOX 273176, ROCHESTER, NY 14627-3176
PO BOX 273177, ROCHESTER, NY 14627-3177
PO BOX 273178, ROCHESTER, NY 14627-3178
PO BOX 273179, ROCHESTER, NY 14627-3179
PO BOX 273180, ROCHESTER, NY 14627-3180
PO BOX 273181, ROCHESTER, NY 14627-3181
PO BOX 273182, ROCHESTER, NY 14627-3182
PO BOX 273183, ROCHESTER, NY 14627-3183
PO BOX 273184, ROCHESTER, NY 14627-3184
PO BOX 273185, ROCHESTER, NY 14627-3185
PO BOX 273186, ROCHESTER, NY 14627-3186
PO BOX 273187, ROCHESTER, NY 14627-3187
PO BOX 273188, ROCHESTER, NY 14627-3188
PO BOX 273189, ROCHESTER, NY 14627-3189
PO BOX 273190, ROCHESTER, NY 14627-3190
PO BOX 273191, ROCHESTER, NY 14627-3191
PO BOX 273192, ROCHESTER, NY 14627-3192
PO BOX 273193, ROCHESTER, NY 14627-3193
PO BOX 273194, ROCHESTER, NY 14627-3194
PO BOX 273195, ROCHESTER, NY 14627-3195
PO BOX 273196, ROCHESTER, NY 14627-3196
PO BOX 273197, ROCHESTER, NY 14627-3197
PO BOX 273198, ROCHESTER, NY 14627-3198
PO BOX 273199, ROCHESTER, NY 14627-3199
PO BOX 273200, ROCHESTER, NY 14627-3200
PO BOX 273201, ROCHESTER, NY 14627-3201
PO BOX 273202, ROCHESTER, NY 14627-3202
PO BOX 273203, ROCHESTER, NY 14627-3203
PO BOX 273204, ROCHESTER, NY 14627-3204
PO BOX 273205, ROCHESTER, NY 14627-3205
PO BOX 273206, ROCHESTER, NY 14627-3206
PO BOX 273207, ROCHESTER, NY 14627-3207
PO BOX 273208, ROCHESTER, NY 14627-3208
PO BOX 273209, ROCHESTER, NY 14627-3209
PO BOX 273210, ROCHESTER, NY 14627-3210
PO BOX 273211, ROCHESTER, NY 14627-3211
PO BOX 273212, ROCHESTER, NY 14627-3212
PO BOX 273213, ROCHESTER, NY 14627-3213
PO BOX 273214, ROCHESTER, NY 14627-3214
PO BOX 273215, ROCHESTER, NY 14627-3215
PO BOX 273216, ROCHESTER, NY 14627-3216
PO BOX 273217, ROCHESTER, NY 14627-3217
PO BOX 273218, ROCHESTER, NY 14627-3218
PO BOX 273219, ROCHESTER, NY 14627-3219
PO BOX 273220, ROCHESTER, NY 14627-3220
PO BOX 273221, ROCHESTER, NY 14627-3221
PO BOX 273222, ROCHESTER, NY 14627-3222
PO BOX 273223, ROCHESTER, NY 14627-3223
PO BOX 273224, ROCHESTER, NY 14627-3224
PO BOX 273225, ROCHESTER, NY 14627-3225
PO BOX 273226, ROCHESTER, NY 14627-3226
PO BOX 273227, ROCHESTER, NY 14627-3227
PO BOX 273228, ROCHESTER, NY 14627-3228
PO BOX 273229, ROCHESTER, NY 14627-3229
PO BOX 273230, ROCHESTER, NY 14627-3230
PO BOX 273231, ROCHESTER, NY 14627-3231
PO BOX 273232, ROCHESTER, NY 14627-3232
PO BOX 273233, ROCHESTER, NY 14627-3233
PO BOX 273234, ROCHESTER, NY 14627-3234
PO BOX 273235, ROCHESTER, NY 14627-3235
PO BOX 273236, ROCHESTER, NY 14627-3236
PO BOX 273237, ROCHESTER, NY 14627-3237
PO BOX 273238, ROCHESTER, NY 14627-3238
PO BOX 273239, ROCHESTER, NY 14627-3239
PO BOX 273240, ROCHESTER, NY 14627-3240
PO BOX 273241, ROCHESTER, NY 14627-3241
PO BOX 273242, ROCHESTER, NY 14627-3242
PO BOX 273243, ROCHESTER, NY 14627-3243
PO BOX 273244, ROCHESTER, NY 14627-3244
PO BOX 273245, ROCHESTER, NY 14627-3245
PO BOX 273246, ROCHESTER, NY 14627-3246
PO BOX 273247, ROCHESTER, NY 14627-3247
PO BOX 273248, ROCHESTER, NY 14627-3248
PO BOX 273249, ROCHESTER, NY 14627-3249
PO BOX 273250, ROCHESTER, NY 14627-3250
PO BOX 273251, ROCHESTER, NY 14627-3251
PO BOX 273252, ROCHESTER, NY 14627-3252
PO BOX 273253, ROCHESTER, NY 14627-3253
PO BOX 273254, ROCHESTER, NY 14627-3254
PO BOX 273255, ROCHESTER, NY 14627-3255
PO BOX 273256, ROCHESTER, NY 14627-3256
PO BOX 273257, ROCHESTER, NY 14627-3257
PO BOX 273258, ROCHESTER, NY 14627-3258
PO BOX 273259, ROCHESTER, NY 14627-3259
PO BOX 273260, ROCHESTER, NY 14627-3260
PO BOX 273261, ROCHESTER, NY 14627-3261
PO BOX 273262, ROCHESTER, NY 14627-3262
PO BOX 273263, ROCHESTER, NY 14627-3263
PO BOX 273264, ROCHESTER, NY 14627-3264
PO BOX 273265, ROCHESTER, NY 14627-3265
PO BOX 273266, ROCHESTER, NY 14627-3266
PO BOX 273267, ROCHESTER, NY 14627-3267
PO BOX 273268, ROCHESTER, NY 14627-3268
PO BOX 273269, ROCHESTER, NY 14627-3269
PO BOX 273270, ROCHESTER, NY 14627-3270
PO BOX 273271, ROCHESTER, NY 14627-3271
PO BOX 273272, ROCHESTER, NY 14627-3272
PO BOX 273273, ROCHESTER, NY 14627-3273
PO BOX 273274, ROCHESTER, NY 14627-3274
PO BOX 273275, ROCHESTER, NY 14627-3275
PO BOX 273276, ROCHESTER, NY 14627-3276
PO BOX 273277, ROCHESTER, NY 14627-3277
PO BOX 273278, ROCHESTER, NY 14627-3278
PO BOX 273279, ROCHESTER, NY 14627-3279
PO BOX 273280, ROCHESTER, NY 14627-3280
PO BOX 273281, ROCHESTER, NY 14627-3281
PO BOX 273282, ROCHESTER, NY 14627-3282
PO BOX 273283, ROCHESTER, NY 14627-3283
PO BOX 273284, ROCHESTER, NY 14627-3284
PO BOX 273285, ROCHESTER, NY 14627-3285
PO BOX 273286, ROCHESTER, NY 14627-3286
PO BOX 273287, ROCHESTER, NY 14627-3287
PO BOX 273288, ROCHESTER, NY 14627-3288
PO BOX 273289, ROCHESTER, NY 14627-3289
PO BOX 273290, ROCHESTER, NY 14627-3290
PO BOX 273291, ROCHESTER, NY 14627-3291
PO BOX 273292, ROCHESTER, NY 14627-3292
PO BOX 273293, ROCHESTER, NY 14627-3293
PO BOX 273294, ROCHESTER, NY 14627-3294
PO BOX 273295, ROCHESTER, NY 14627-3295
PO BOX 273296, ROCHESTER, NY 14627-3296
PO BOX 273297, ROCHESTER, NY 14627-3297
PO BOX 273298, ROCHESTER, NY 14627-3298
PO BOX 273299, ROCHESTER, NY 14627-3299
PO BOX 273300, ROCHESTER, NY 14627-3300
PO BOX 273301, ROCHESTER, NY 14627-3301
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