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 161, CORPUS CHRISTI, TX 78403-0161
PO BOX 162, CORPUS CHRISTI, TX 78403-0162
PO BOX 163, CORPUS CHRISTI, TX 78403-0163
PO BOX 164, CORPUS CHRISTI, TX 78403-0164
PO BOX 165, CORPUS CHRISTI, TX 78403-0165
PO BOX 166, CORPUS CHRISTI, TX 78403-0166
PO BOX 167, CORPUS CHRISTI, TX 78403-0167
PO BOX 168, CORPUS CHRISTI, TX 78403-0168
PO BOX 169, CORPUS CHRISTI, TX 78403-0169
PO BOX 170, CORPUS CHRISTI, TX 78403-0170
PO BOX 171, CORPUS CHRISTI, TX 78403-0171
PO BOX 172, CORPUS CHRISTI, TX 78403-0172
PO BOX 173, CORPUS CHRISTI, TX 78403-0173
PO BOX 174, CORPUS CHRISTI, TX 78403-0174
PO BOX 175, CORPUS CHRISTI, TX 78403-0175
PO BOX 176, CORPUS CHRISTI, TX 78403-0176
PO BOX 177, CORPUS CHRISTI, TX 78403-0177
PO BOX 178, CORPUS CHRISTI, TX 78403-0178
PO BOX 179, CORPUS CHRISTI, TX 78403-0179
PO BOX 180, CORPUS CHRISTI, TX 78403-0180
PO BOX 181, CORPUS CHRISTI, TX 78403-0181
PO BOX 182, CORPUS CHRISTI, TX 78403-0182
PO BOX 183, CORPUS CHRISTI, TX 78403-0183
PO BOX 184, CORPUS CHRISTI, TX 78403-0184
PO BOX 185, CORPUS CHRISTI, TX 78403-0185
PO BOX 186, CORPUS CHRISTI, TX 78403-0186
PO BOX 187, CORPUS CHRISTI, TX 78403-0187
PO BOX 188, CORPUS CHRISTI, TX 78403-0188
PO BOX 189, CORPUS CHRISTI, TX 78403-0189
PO BOX 190, CORPUS CHRISTI, TX 78403-0190
PO BOX 191, CORPUS CHRISTI, TX 78403-0191
PO BOX 192, CORPUS CHRISTI, TX 78403-0192
PO BOX 193, CORPUS CHRISTI, TX 78403-0193
PO BOX 194, CORPUS CHRISTI, TX 78403-0194
PO BOX 195, CORPUS CHRISTI, TX 78403-0195
PO BOX 196, CORPUS CHRISTI, TX 78403-0196
PO BOX 197, CORPUS CHRISTI, TX 78403-0197
PO BOX 198, CORPUS CHRISTI, TX 78403-0198
PO BOX 199, CORPUS CHRISTI, TX 78403-0199
PO BOX 200, CORPUS CHRISTI, TX 78403-0200
PO BOX 201, CORPUS CHRISTI, TX 78403-0201
PO BOX 202, CORPUS CHRISTI, TX 78403-0202
PO BOX 203, CORPUS CHRISTI, TX 78403-0203
PO BOX 204, CORPUS CHRISTI, TX 78403-0204
PO BOX 205, CORPUS CHRISTI, TX 78403-0205
PO BOX 206, CORPUS CHRISTI, TX 78403-0206
PO BOX 207, CORPUS CHRISTI, TX 78403-0207
PO BOX 208, CORPUS CHRISTI, TX 78403-0208
PO BOX 209, CORPUS CHRISTI, TX 78403-0209
PO BOX 210, CORPUS CHRISTI, TX 78403-0210
PO BOX 211, CORPUS CHRISTI, TX 78403-0211
PO BOX 212, CORPUS CHRISTI, TX 78403-0212
PO BOX 213, CORPUS CHRISTI, TX 78403-0213
PO BOX 214, CORPUS CHRISTI, TX 78403-0214
PO BOX 215, CORPUS CHRISTI, TX 78403-0215
PO BOX 216, CORPUS CHRISTI, TX 78403-0216
PO BOX 217, CORPUS CHRISTI, TX 78403-0217
PO BOX 218, CORPUS CHRISTI, TX 78403-0218
PO BOX 219, CORPUS CHRISTI, TX 78403-0219
PO BOX 220, CORPUS CHRISTI, TX 78403-0220
PO BOX 221, CORPUS CHRISTI, TX 78403-0221
PO BOX 222, CORPUS CHRISTI, TX 78403-0222
PO BOX 223, CORPUS CHRISTI, TX 78403-0223
PO BOX 224, CORPUS CHRISTI, TX 78403-0224
PO BOX 225, CORPUS CHRISTI, TX 78403-0225
PO BOX 226, CORPUS CHRISTI, TX 78403-0226
PO BOX 227, CORPUS CHRISTI, TX 78403-0227
PO BOX 228, CORPUS CHRISTI, TX 78403-0228
PO BOX 229, CORPUS CHRISTI, TX 78403-0229
PO BOX 230, CORPUS CHRISTI, TX 78403-0230
PO BOX 231, CORPUS CHRISTI, TX 78403-0231
PO BOX 232, CORPUS CHRISTI, TX 78403-0232
PO BOX 233, CORPUS CHRISTI, TX 78403-0233
PO BOX 234, CORPUS CHRISTI, TX 78403-0234
PO BOX 235, CORPUS CHRISTI, TX 78403-0235
PO BOX 236, CORPUS CHRISTI, TX 78403-0236
PO BOX 237, CORPUS CHRISTI, TX 78403-0237
PO BOX 238, CORPUS CHRISTI, TX 78403-0238
PO BOX 239, CORPUS CHRISTI, TX 78403-0239
PO BOX 240, CORPUS CHRISTI, TX 78403-0240
PO BOX 241, CORPUS CHRISTI, TX 78403-0241
PO BOX 242, CORPUS CHRISTI, TX 78403-0242
PO BOX 243, CORPUS CHRISTI, TX 78403-0243
PO BOX 244, CORPUS CHRISTI, TX 78403-0244
PO BOX 245, CORPUS CHRISTI, TX 78403-0245
PO BOX 246, CORPUS CHRISTI, TX 78403-0246
PO BOX 247, CORPUS CHRISTI, TX 78403-0247
PO BOX 248, CORPUS CHRISTI, TX 78403-0248
PO BOX 249, CORPUS CHRISTI, TX 78403-0249
PO BOX 250, CORPUS CHRISTI, TX 78403-0250
PO BOX 251, CORPUS CHRISTI, TX 78403-0251
PO BOX 252, CORPUS CHRISTI, TX 78403-0252
PO BOX 253, CORPUS CHRISTI, TX 78403-0253
PO BOX 254, CORPUS CHRISTI, TX 78403-0254
PO BOX 255, CORPUS CHRISTI, TX 78403-0255
PO BOX 256, CORPUS CHRISTI, TX 78403-0256
PO BOX 257, CORPUS CHRISTI, TX 78403-0257
PO BOX 258, CORPUS CHRISTI, TX 78403-0258
PO BOX 259, CORPUS CHRISTI, TX 78403-0259
PO BOX 260, CORPUS CHRISTI, TX 78403-0260
PO BOX 261, CORPUS CHRISTI, TX 78403-0261
PO BOX 262, CORPUS CHRISTI, TX 78403-0262
PO BOX 263, CORPUS CHRISTI, TX 78403-0263
PO BOX 264, CORPUS CHRISTI, TX 78403-0264
PO BOX 265, CORPUS CHRISTI, TX 78403-0265
PO BOX 266, CORPUS CHRISTI, TX 78403-0266
PO BOX 267, CORPUS CHRISTI, TX 78403-0267
PO BOX 268, CORPUS CHRISTI, TX 78403-0268
PO BOX 269, CORPUS CHRISTI, TX 78403-0269
PO BOX 270, CORPUS CHRISTI, TX 78403-0270
PO BOX 271, CORPUS CHRISTI, TX 78403-0271
PO BOX 272, CORPUS CHRISTI, TX 78403-0272
PO BOX 273, CORPUS CHRISTI, TX 78403-0273
PO BOX 274, CORPUS CHRISTI, TX 78403-0274
PO BOX 275, CORPUS CHRISTI, TX 78403-0275
PO BOX 276, CORPUS CHRISTI, TX 78403-0276
PO BOX 277, CORPUS CHRISTI, TX 78403-0277
PO BOX 278, CORPUS CHRISTI, TX 78403-0278
PO BOX 279, CORPUS CHRISTI, TX 78403-0279
PO BOX 280, CORPUS CHRISTI, TX 78403-0280
PO BOX 281, CORPUS CHRISTI, TX 78403-0281
PO BOX 282, CORPUS CHRISTI, TX 78403-0282
PO BOX 283, CORPUS CHRISTI, TX 78403-0283
PO BOX 284, CORPUS CHRISTI, TX 78403-0284
PO BOX 285, CORPUS CHRISTI, TX 78403-0285
PO BOX 286, CORPUS CHRISTI, TX 78403-0286
PO BOX 287, CORPUS CHRISTI, TX 78403-0287
PO BOX 288, CORPUS CHRISTI, TX 78403-0288
PO BOX 289, CORPUS CHRISTI, TX 78403-0289
PO BOX 290, CORPUS CHRISTI, TX 78403-0290
PO BOX 291, CORPUS CHRISTI, TX 78403-0291
PO BOX 292, CORPUS CHRISTI, TX 78403-0292
PO BOX 293, CORPUS CHRISTI, TX 78403-0293
PO BOX 294, CORPUS CHRISTI, TX 78403-0294
PO BOX 295, CORPUS CHRISTI, TX 78403-0295
PO BOX 296, CORPUS CHRISTI, TX 78403-0296
PO BOX 297, CORPUS CHRISTI, TX 78403-0297
PO BOX 298, CORPUS CHRISTI, TX 78403-0298
PO BOX 299, CORPUS CHRISTI, TX 78403-0299
PO BOX 300, CORPUS CHRISTI, TX 78403-0300
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