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 99001, BATON ROUGE, LA 70835-9001
PO BOX 99002, BATON ROUGE, LA 70835-9002
PO BOX 99003, BATON ROUGE, LA 70835-9003
PO BOX 99004, BATON ROUGE, LA 70835-9004
PO BOX 99005, BATON ROUGE, LA 70835-9005
PO BOX 99006, BATON ROUGE, LA 70835-9006
PO BOX 99007, BATON ROUGE, LA 70835-9007
PO BOX 99008, BATON ROUGE, LA 70835-9008
PO BOX 99009, BATON ROUGE, LA 70835-9009
PO BOX 99010, BATON ROUGE, LA 70835-9010
PO BOX 99011, BATON ROUGE, LA 70835-9011
PO BOX 99012, BATON ROUGE, LA 70835-9012
PO BOX 99013, BATON ROUGE, LA 70835-9013
PO BOX 99014, BATON ROUGE, LA 70835-9014
PO BOX 99015, BATON ROUGE, LA 70835-9015
PO BOX 99016, BATON ROUGE, LA 70835-9016
PO BOX 99017, BATON ROUGE, LA 70835-9017
PO BOX 99018, BATON ROUGE, LA 70835-9018
PO BOX 99019, BATON ROUGE, LA 70835-9019
PO BOX 99020, BATON ROUGE, LA 70835-9020
PO BOX 99021, BATON ROUGE, LA 70835-9021
PO BOX 99022, BATON ROUGE, LA 70835-9022
PO BOX 99023, BATON ROUGE, LA 70835-9023
PO BOX 99024, BATON ROUGE, LA 70835-9024
PO BOX 99025, BATON ROUGE, LA 70835-9025
PO BOX 99026, BATON ROUGE, LA 70835-9026
PO BOX 99027, BATON ROUGE, LA 70835-9027
PO BOX 99028, BATON ROUGE, LA 70835-9028
PO BOX 99029, BATON ROUGE, LA 70835-9029
PO BOX 99030, BATON ROUGE, LA 70835-9030
PO BOX 99031, BATON ROUGE, LA 70835-9031
PO BOX 99032, BATON ROUGE, LA 70835-9032
PO BOX 99033, BATON ROUGE, LA 70835-9033
PO BOX 99034, BATON ROUGE, LA 70835-9034
PO BOX 99035, BATON ROUGE, LA 70835-9035
PO BOX 99036, BATON ROUGE, LA 70835-9036
PO BOX 99037, BATON ROUGE, LA 70835-9037
PO BOX 99038, BATON ROUGE, LA 70835-9038
PO BOX 99039, BATON ROUGE, LA 70835-9039
PO BOX 99040, BATON ROUGE, LA 70835-9040
PO BOX 99041, BATON ROUGE, LA 70835-9041
PO BOX 99042, BATON ROUGE, LA 70835-9042
PO BOX 99043, BATON ROUGE, LA 70835-9043
PO BOX 99044, BATON ROUGE, LA 70835-9044
PO BOX 99045, BATON ROUGE, LA 70835-9045
PO BOX 99046, BATON ROUGE, LA 70835-9046
PO BOX 99047, BATON ROUGE, LA 70835-9047
PO BOX 99048, BATON ROUGE, LA 70835-9048
PO BOX 99049, BATON ROUGE, LA 70835-9049
PO BOX 99050, BATON ROUGE, LA 70835-9050
PO BOX 99051, BATON ROUGE, LA 70835-9051
PO BOX 99052, BATON ROUGE, LA 70835-9052
PO BOX 99053, BATON ROUGE, LA 70835-9053
PO BOX 99054, BATON ROUGE, LA 70835-9054
PO BOX 99055, BATON ROUGE, LA 70835-9055
PO BOX 99056, BATON ROUGE, LA 70835-9056
PO BOX 99057, BATON ROUGE, LA 70835-9057
PO BOX 99058, BATON ROUGE, LA 70835-9058
PO BOX 99059, BATON ROUGE, LA 70835-9059
PO BOX 99060, BATON ROUGE, LA 70835-9060
PO BOX 99061, BATON ROUGE, LA 70835-9061
PO BOX 99062, BATON ROUGE, LA 70835-9062
PO BOX 99063, BATON ROUGE, LA 70835-9063
PO BOX 99064, BATON ROUGE, LA 70835-9064
PO BOX 99065, BATON ROUGE, LA 70835-9065
PO BOX 99066, BATON ROUGE, LA 70835-9066
PO BOX 99067, BATON ROUGE, LA 70835-9067
PO BOX 99068, BATON ROUGE, LA 70835-9068
PO BOX 99069, BATON ROUGE, LA 70835-9069
PO BOX 99070, BATON ROUGE, LA 70835-9070
PO BOX 99071, BATON ROUGE, LA 70835-9071
PO BOX 99072, BATON ROUGE, LA 70835-9072
PO BOX 99073, BATON ROUGE, LA 70835-9073
PO BOX 99074, BATON ROUGE, LA 70835-9074
PO BOX 99075, BATON ROUGE, LA 70835-9075
PO BOX 99076, BATON ROUGE, LA 70835-9076
PO BOX 99077, BATON ROUGE, LA 70835-9077
PO BOX 99078, BATON ROUGE, LA 70835-9078
PO BOX 99079, BATON ROUGE, LA 70835-9079
PO BOX 99080, BATON ROUGE, LA 70835-9080
PO BOX 99081, BATON ROUGE, LA 70835-9081
PO BOX 99082, BATON ROUGE, LA 70835-9082
PO BOX 99083, BATON ROUGE, LA 70835-9083
PO BOX 99084, BATON ROUGE, LA 70835-9084
PO BOX 99085, BATON ROUGE, LA 70835-9085
PO BOX 99086, BATON ROUGE, LA 70835-9086
PO BOX 99087, BATON ROUGE, LA 70835-9087
PO BOX 99088, BATON ROUGE, LA 70835-9088
PO BOX 99089, BATON ROUGE, LA 70835-9089
PO BOX 99090, BATON ROUGE, LA 70835-9090
PO BOX 99091, BATON ROUGE, LA 70835-9091
PO BOX 99092, BATON ROUGE, LA 70835-9092
PO BOX 99093, BATON ROUGE, LA 70835-9093
PO BOX 99094, BATON ROUGE, LA 70835-9094
PO BOX 99095, BATON ROUGE, LA 70835-9095
PO BOX 99096, BATON ROUGE, LA 70835-9096
PO BOX 99097, BATON ROUGE, LA 70835-9097
PO BOX 99098, BATON ROUGE, LA 70835-9098
PO BOX 99099, BATON ROUGE, LA 70835-9099
PO BOX 99100, BATON ROUGE, LA 70835-9100
PO BOX 99101, BATON ROUGE, LA 70835-9101
PO BOX 99102, BATON ROUGE, LA 70835-9102
PO BOX 99103, BATON ROUGE, LA 70835-9103
PO BOX 99104, BATON ROUGE, LA 70835-9104
PO BOX 99105, BATON ROUGE, LA 70835-9105
PO BOX 99106, BATON ROUGE, LA 70835-9106
PO BOX 99107, BATON ROUGE, LA 70835-9107
PO BOX 99108, BATON ROUGE, LA 70835-9108
PO BOX 99109, BATON ROUGE, LA 70835-9109
PO BOX 99110, BATON ROUGE, LA 70835-9110
PO BOX 99111, BATON ROUGE, LA 70835-9111
PO BOX 99112, BATON ROUGE, LA 70835-9112
PO BOX 99113, BATON ROUGE, LA 70835-9113
PO BOX 99114, BATON ROUGE, LA 70835-9114
PO BOX 99115, BATON ROUGE, LA 70835-9115
PO BOX 99116, BATON ROUGE, LA 70835-9116
PO BOX 99117, BATON ROUGE, LA 70835-9117
PO BOX 99118, BATON ROUGE, LA 70835-9118
PO BOX 99119, BATON ROUGE, LA 70835-9119
PO BOX 99120, BATON ROUGE, LA 70835-9120
PO BOX 99121, BATON ROUGE, LA 70835-9121
PO BOX 99122, BATON ROUGE, LA 70835-9122
PO BOX 99123, BATON ROUGE, LA 70835-9123
PO BOX 99124, BATON ROUGE, LA 70835-9124
PO BOX 99125, BATON ROUGE, LA 70835-9125
PO BOX 99126, BATON ROUGE, LA 70835-9126
PO BOX 99127, BATON ROUGE, LA 70835-9127
PO BOX 99128, BATON ROUGE, LA 70835-9128
PO BOX 99129, BATON ROUGE, LA 70835-9129
PO BOX 99130, BATON ROUGE, LA 70835-9130
PO BOX 99131, BATON ROUGE, LA 70835-9131
PO BOX 99132, BATON ROUGE, LA 70835-9132
PO BOX 99133, BATON ROUGE, LA 70835-9133
PO BOX 99134, BATON ROUGE, LA 70835-9134
PO BOX 99135, BATON ROUGE, LA 70835-9135
PO BOX 99136, BATON ROUGE, LA 70835-9136
PO BOX 99137, BATON ROUGE, LA 70835-9137
PO BOX 99138, BATON ROUGE, LA 70835-9138
PO BOX 99139, BATON ROUGE, LA 70835-9139
PO BOX 99140, BATON ROUGE, LA 70835-9140
PO BOX 99141, BATON ROUGE, LA 70835-9141
PO BOX 99142, BATON ROUGE, LA 70835-9142
PO BOX 99143, BATON ROUGE, LA 70835-9143
PO BOX 99144, BATON ROUGE, LA 70835-9144
PO BOX 99145, BATON ROUGE, LA 70835-9145
PO BOX 99146, BATON ROUGE, LA 70835-9146
PO BOX 99147, BATON ROUGE, LA 70835-9147
PO BOX 99148, BATON ROUGE, LA 70835-9148
PO BOX 99149, BATON ROUGE, LA 70835-9149
PO BOX 99150, BATON ROUGE, LA 70835-9150
PO BOX 99151, BATON ROUGE, LA 70835-9151
PO BOX 99152, BATON ROUGE, LA 70835-9152
PO BOX 99153, BATON ROUGE, LA 70835-9153
PO BOX 99154, BATON ROUGE, LA 70835-9154
PO BOX 99155, BATON ROUGE, LA 70835-9155
PO BOX 99156, BATON ROUGE, LA 70835-9156
PO BOX 99157, BATON ROUGE, LA 70835-9157
PO BOX 99158, BATON ROUGE, LA 70835-9158
PO BOX 99159, BATON ROUGE, LA 70835-9159
PO BOX 99160, BATON ROUGE, LA 70835-9160
PO BOX 99161, BATON ROUGE, LA 70835-9161
PO BOX 99162, BATON ROUGE, LA 70835-9162
PO BOX 99163, BATON ROUGE, LA 70835-9163
PO BOX 99164, BATON ROUGE, LA 70835-9164
PO BOX 99165, BATON ROUGE, LA 70835-9165
PO BOX 99166, BATON ROUGE, LA 70835-9166
PO BOX 99167, BATON ROUGE, LA 70835-9167
PO BOX 99168, BATON ROUGE, LA 70835-9168
PO BOX 99169, BATON ROUGE, LA 70835-9169
PO BOX 99170, BATON ROUGE, LA 70835-9170
PO BOX 99171, BATON ROUGE, LA 70835-9171
PO BOX 99172, BATON ROUGE, LA 70835-9172
PO BOX 99173, BATON ROUGE, LA 70835-9173
PO BOX 99174, BATON ROUGE, LA 70835-9174
PO BOX 99175, BATON ROUGE, LA 70835-9175
PO BOX 99176, BATON ROUGE, LA 70835-9176
PO BOX 99177, BATON ROUGE, LA 70835-9177
PO BOX 99178, BATON ROUGE, LA 70835-9178
PO BOX 99179, BATON ROUGE, LA 70835-9179
PO BOX 99180, BATON ROUGE, LA 70835-9180
PO BOX 99181, BATON ROUGE, LA 70835-9181
PO BOX 99182, BATON ROUGE, LA 70835-9182
PO BOX 99183, BATON ROUGE, LA 70835-9183
PO BOX 99184, BATON ROUGE, LA 70835-9184
PO BOX 99185, BATON ROUGE, LA 70835-9185
PO BOX 99186, BATON ROUGE, LA 70835-9186
PO BOX 99187, BATON ROUGE, LA 70835-9187
PO BOX 99188, BATON ROUGE, LA 70835-9188
PO BOX 99189, BATON ROUGE, LA 70835-9189
PO BOX 99190, BATON ROUGE, LA 70835-9190
PO BOX 99191, BATON ROUGE, LA 70835-9191
PO BOX 99192, BATON ROUGE, LA 70835-9192
PO BOX 99193, BATON ROUGE, LA 70835-9193
PO BOX 99194, BATON ROUGE, LA 70835-9194
PO BOX 99195, BATON ROUGE, LA 70835-9195
PO BOX 99196, BATON ROUGE, LA 70835-9196
PO BOX 99197, BATON ROUGE, LA 70835-9197
PO BOX 99198, BATON ROUGE, LA 70835-9198
PO BOX 99199, BATON ROUGE, LA 70835-9199
PO BOX 99200, BATON ROUGE, LA 70835-9200
PO BOX 99201, BATON ROUGE, LA 70835-9201
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