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 111, FERNANDINA BEACH, FL 32035-0111
PO BOX 112, FERNANDINA BEACH, FL 32035-0112
PO BOX 113, FERNANDINA BEACH, FL 32035-0113
PO BOX 114, FERNANDINA BEACH, FL 32035-0114
PO BOX 115, FERNANDINA BEACH, FL 32035-0115
PO BOX 116, FERNANDINA BEACH, FL 32035-0116
PO BOX 117, FERNANDINA BEACH, FL 32035-0117
PO BOX 118, FERNANDINA BEACH, FL 32035-0118
PO BOX 119, FERNANDINA BEACH, FL 32035-0119
PO BOX 120, FERNANDINA BEACH, FL 32035-0120
PO BOX 121, FERNANDINA BEACH, FL 32035-0121
PO BOX 122, FERNANDINA BEACH, FL 32035-0122
PO BOX 123, FERNANDINA BEACH, FL 32035-0123
PO BOX 124, FERNANDINA BEACH, FL 32035-0124
PO BOX 125, FERNANDINA BEACH, FL 32035-0125
PO BOX 126, FERNANDINA BEACH, FL 32035-0126
PO BOX 127, FERNANDINA BEACH, FL 32035-0127
PO BOX 128, FERNANDINA BEACH, FL 32035-0128
PO BOX 129, FERNANDINA BEACH, FL 32035-0129
PO BOX 130, FERNANDINA BEACH, FL 32035-0130
PO BOX 131, FERNANDINA BEACH, FL 32035-0131
PO BOX 132, FERNANDINA BEACH, FL 32035-0132
PO BOX 133, FERNANDINA BEACH, FL 32035-0133
PO BOX 134, FERNANDINA BEACH, FL 32035-0134
PO BOX 135, FERNANDINA BEACH, FL 32035-0135
PO BOX 136, FERNANDINA BEACH, FL 32035-0136
PO BOX 137, FERNANDINA BEACH, FL 32035-0137
PO BOX 138, FERNANDINA BEACH, FL 32035-0138
PO BOX 139, FERNANDINA BEACH, FL 32035-0139
PO BOX 140, FERNANDINA BEACH, FL 32035-0140
PO BOX 141, FERNANDINA BEACH, FL 32035-0141
PO BOX 142, FERNANDINA BEACH, FL 32035-0142
PO BOX 143, FERNANDINA BEACH, FL 32035-0143
PO BOX 144, FERNANDINA BEACH, FL 32035-0144
PO BOX 145, FERNANDINA BEACH, FL 32035-0145
PO BOX 146, FERNANDINA BEACH, FL 32035-0146
PO BOX 147, FERNANDINA BEACH, FL 32035-0147
PO BOX 148, FERNANDINA BEACH, FL 32035-0148
PO BOX 149, FERNANDINA BEACH, FL 32035-0149
PO BOX 150, FERNANDINA BEACH, FL 32035-0150
PO BOX 151, FERNANDINA BEACH, FL 32035-0151
PO BOX 152, FERNANDINA BEACH, FL 32035-0152
PO BOX 153, FERNANDINA BEACH, FL 32035-0153
PO BOX 154, FERNANDINA BEACH, FL 32035-0154
PO BOX 155, FERNANDINA BEACH, FL 32035-0155
PO BOX 156, FERNANDINA BEACH, FL 32035-0156
PO BOX 157, FERNANDINA BEACH, FL 32035-0157
PO BOX 158, FERNANDINA BEACH, FL 32035-0158
PO BOX 159, FERNANDINA BEACH, FL 32035-0159
PO BOX 160, FERNANDINA BEACH, FL 32035-0160
PO BOX 161, FERNANDINA BEACH, FL 32035-0161
PO BOX 162, FERNANDINA BEACH, FL 32035-0162
PO BOX 163, FERNANDINA BEACH, FL 32035-0163
PO BOX 164, FERNANDINA BEACH, FL 32035-0164
PO BOX 165, FERNANDINA BEACH, FL 32035-0165
PO BOX 166, FERNANDINA BEACH, FL 32035-0166
PO BOX 167, FERNANDINA BEACH, FL 32035-0167
PO BOX 168, FERNANDINA BEACH, FL 32035-0168
PO BOX 169, FERNANDINA BEACH, FL 32035-0169
PO BOX 170, FERNANDINA BEACH, FL 32035-0170
PO BOX 171, FERNANDINA BEACH, FL 32035-0171
PO BOX 172, FERNANDINA BEACH, FL 32035-0172
PO BOX 173, FERNANDINA BEACH, FL 32035-0173
PO BOX 174, FERNANDINA BEACH, FL 32035-0174
PO BOX 175, FERNANDINA BEACH, FL 32035-0175
PO BOX 176, FERNANDINA BEACH, FL 32035-0176
PO BOX 177, FERNANDINA BEACH, FL 32035-0177
PO BOX 178, FERNANDINA BEACH, FL 32035-0178
PO BOX 179, FERNANDINA BEACH, FL 32035-0179
PO BOX 180, FERNANDINA BEACH, FL 32035-0180
PO BOX 181, FERNANDINA BEACH, FL 32035-0181
PO BOX 182, FERNANDINA BEACH, FL 32035-0182
PO BOX 183, FERNANDINA BEACH, FL 32035-0183
PO BOX 184, FERNANDINA BEACH, FL 32035-0184
PO BOX 185, FERNANDINA BEACH, FL 32035-0185
PO BOX 186, FERNANDINA BEACH, FL 32035-0186
PO BOX 187, FERNANDINA BEACH, FL 32035-0187
PO BOX 188, FERNANDINA BEACH, FL 32035-0188
PO BOX 189, FERNANDINA BEACH, FL 32035-0189
PO BOX 190, FERNANDINA BEACH, FL 32035-0190
PO BOX 191, FERNANDINA BEACH, FL 32035-0191
PO BOX 192, FERNANDINA BEACH, FL 32035-0192
PO BOX 193, FERNANDINA BEACH, FL 32035-0193
PO BOX 194, FERNANDINA BEACH, FL 32035-0194
PO BOX 195, FERNANDINA BEACH, FL 32035-0195
PO BOX 196, FERNANDINA BEACH, FL 32035-0196
PO BOX 197, FERNANDINA BEACH, FL 32035-0197
PO BOX 198, FERNANDINA BEACH, FL 32035-0198
PO BOX 199, FERNANDINA BEACH, FL 32035-0199
PO BOX 200, FERNANDINA BEACH, FL 32035-0200
PO BOX 201, FERNANDINA BEACH, FL 32035-0201
PO BOX 202, FERNANDINA BEACH, FL 32035-0202
PO BOX 203, FERNANDINA BEACH, FL 32035-0203
PO BOX 204, FERNANDINA BEACH, FL 32035-0204
PO BOX 205, FERNANDINA BEACH, FL 32035-0205
PO BOX 206, FERNANDINA BEACH, FL 32035-0206
PO BOX 207, FERNANDINA BEACH, FL 32035-0207
PO BOX 208, FERNANDINA BEACH, FL 32035-0208
PO BOX 209, FERNANDINA BEACH, FL 32035-0209
PO BOX 210, FERNANDINA BEACH, FL 32035-0210
PO BOX 211, FERNANDINA BEACH, FL 32035-0211
PO BOX 212, FERNANDINA BEACH, FL 32035-0212
PO BOX 213, FERNANDINA BEACH, FL 32035-0213
PO BOX 214, FERNANDINA BEACH, FL 32035-0214
PO BOX 215, FERNANDINA BEACH, FL 32035-0215
PO BOX 216, FERNANDINA BEACH, FL 32035-0216
PO BOX 217, FERNANDINA BEACH, FL 32035-0217
PO BOX 218, FERNANDINA BEACH, FL 32035-0218
PO BOX 219, FERNANDINA BEACH, FL 32035-0219
PO BOX 220, FERNANDINA BEACH, FL 32035-0220
PO BOX 221, FERNANDINA BEACH, FL 32035-0221
PO BOX 222, FERNANDINA BEACH, FL 32035-0222
PO BOX 223, FERNANDINA BEACH, FL 32035-0223
PO BOX 224, FERNANDINA BEACH, FL 32035-0224
PO BOX 225, FERNANDINA BEACH, FL 32035-0225
PO BOX 226, FERNANDINA BEACH, FL 32035-0226
PO BOX 227, FERNANDINA BEACH, FL 32035-0227
PO BOX 228, FERNANDINA BEACH, FL 32035-0228
PO BOX 229, FERNANDINA BEACH, FL 32035-0229
PO BOX 230, FERNANDINA BEACH, FL 32035-0230
PO BOX 231, FERNANDINA BEACH, FL 32035-0231
PO BOX 232, FERNANDINA BEACH, FL 32035-0232
PO BOX 233, FERNANDINA BEACH, FL 32035-0233
PO BOX 234, FERNANDINA BEACH, FL 32035-0234
PO BOX 235, FERNANDINA BEACH, FL 32035-0235
PO BOX 236, FERNANDINA BEACH, FL 32035-0236
PO BOX 237, FERNANDINA BEACH, FL 32035-0237
PO BOX 238, FERNANDINA BEACH, FL 32035-0238
PO BOX 239, FERNANDINA BEACH, FL 32035-0239
PO BOX 240, FERNANDINA BEACH, FL 32035-0240
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