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, GLENDALE, CA 91209-0161
PO BOX 162, GLENDALE, CA 91209-0162
PO BOX 163, GLENDALE, CA 91209-0163
PO BOX 164, GLENDALE, CA 91209-0164
PO BOX 165, GLENDALE, CA 91209-0165
PO BOX 166, GLENDALE, CA 91209-0166
PO BOX 167, GLENDALE, CA 91209-0167
PO BOX 168, GLENDALE, CA 91209-0168
PO BOX 169, GLENDALE, CA 91209-0169
PO BOX 170, GLENDALE, CA 91209-0170
PO BOX 171, GLENDALE, CA 91209-0171
PO BOX 172, GLENDALE, CA 91209-0172
PO BOX 173, GLENDALE, CA 91209-0173
PO BOX 174, GLENDALE, CA 91209-0174
PO BOX 175, GLENDALE, CA 91209-0175
PO BOX 176, GLENDALE, CA 91209-0176
PO BOX 177, GLENDALE, CA 91209-0177
PO BOX 178, GLENDALE, CA 91209-0178
PO BOX 179, GLENDALE, CA 91209-0179
PO BOX 180, GLENDALE, CA 91209-0180
PO BOX 181, GLENDALE, CA 91209-0181
PO BOX 182, GLENDALE, CA 91209-0182
PO BOX 183, GLENDALE, CA 91209-0183
PO BOX 184, GLENDALE, CA 91209-0184
PO BOX 185, GLENDALE, CA 91209-0185
PO BOX 186, GLENDALE, CA 91209-0186
PO BOX 187, GLENDALE, CA 91209-0187
PO BOX 188, GLENDALE, CA 91209-0188
PO BOX 189, GLENDALE, CA 91209-0189
PO BOX 190, GLENDALE, CA 91209-0190
PO BOX 191, GLENDALE, CA 91209-0191
PO BOX 192, GLENDALE, CA 91209-0192
PO BOX 193, GLENDALE, CA 91209-0193
PO BOX 194, GLENDALE, CA 91209-0194
PO BOX 195, GLENDALE, CA 91209-0195
PO BOX 196, GLENDALE, CA 91209-0196
PO BOX 197, GLENDALE, CA 91209-0197
PO BOX 198, GLENDALE, CA 91209-0198
PO BOX 199, GLENDALE, CA 91209-0199
PO BOX 200, GLENDALE, CA 91209-0200
PO BOX 201, GLENDALE, CA 91209-0201
PO BOX 202, GLENDALE, CA 91209-0202
PO BOX 203, GLENDALE, CA 91209-0203
PO BOX 204, GLENDALE, CA 91209-0204
PO BOX 205, GLENDALE, CA 91209-0205
PO BOX 206, GLENDALE, CA 91209-0206
PO BOX 207, GLENDALE, CA 91209-0207
PO BOX 208, GLENDALE, CA 91209-0208
PO BOX 209, GLENDALE, CA 91209-0209
PO BOX 210, GLENDALE, CA 91209-0210
PO BOX 211, GLENDALE, CA 91209-0211
PO BOX 212, GLENDALE, CA 91209-0212
PO BOX 213, GLENDALE, CA 91209-0213
PO BOX 214, GLENDALE, CA 91209-0214
PO BOX 215, GLENDALE, CA 91209-0215
PO BOX 216, GLENDALE, CA 91209-0216
PO BOX 217, GLENDALE, CA 91209-0217
PO BOX 218, GLENDALE, CA 91209-0218
PO BOX 219, GLENDALE, CA 91209-0219
PO BOX 220, GLENDALE, CA 91209-0220
PO BOX 221, GLENDALE, CA 91209-0221
PO BOX 222, GLENDALE, CA 91209-0222
PO BOX 223, GLENDALE, CA 91209-0223
PO BOX 224, GLENDALE, CA 91209-0224
PO BOX 225, GLENDALE, CA 91209-0225
PO BOX 226, GLENDALE, CA 91209-0226
PO BOX 227, GLENDALE, CA 91209-0227
PO BOX 228, GLENDALE, CA 91209-0228
PO BOX 229, GLENDALE, CA 91209-0229
PO BOX 230, GLENDALE, CA 91209-0230
PO BOX 231, GLENDALE, CA 91209-0231
PO BOX 232, GLENDALE, CA 91209-0232
PO BOX 233, GLENDALE, CA 91209-0233
PO BOX 234, GLENDALE, CA 91209-0234
PO BOX 235, GLENDALE, CA 91209-0235
PO BOX 236, GLENDALE, CA 91209-0236
PO BOX 237, GLENDALE, CA 91209-0237
PO BOX 238, GLENDALE, CA 91209-0238
PO BOX 239, GLENDALE, CA 91209-0239
PO BOX 240, GLENDALE, CA 91209-0240
PO BOX 241, GLENDALE, CA 91209-0241
PO BOX 242, GLENDALE, CA 91209-0242
PO BOX 243, GLENDALE, CA 91209-0243
PO BOX 244, GLENDALE, CA 91209-0244
PO BOX 245, GLENDALE, CA 91209-0245
PO BOX 246, GLENDALE, CA 91209-0246
PO BOX 247, GLENDALE, CA 91209-0247
PO BOX 248, GLENDALE, CA 91209-0248
PO BOX 249, GLENDALE, CA 91209-0249
PO BOX 250, GLENDALE, CA 91209-0250
PO BOX 251, GLENDALE, CA 91209-0251
PO BOX 252, GLENDALE, CA 91209-0252
PO BOX 253, GLENDALE, CA 91209-0253
PO BOX 254, GLENDALE, CA 91209-0254
PO BOX 255, GLENDALE, CA 91209-0255
PO BOX 256, GLENDALE, CA 91209-0256
PO BOX 257, GLENDALE, CA 91209-0257
PO BOX 258, GLENDALE, CA 91209-0258
PO BOX 259, GLENDALE, CA 91209-0259
PO BOX 260, GLENDALE, CA 91209-0260
PO BOX 261, GLENDALE, CA 91209-0261
PO BOX 262, GLENDALE, CA 91209-0262
PO BOX 263, GLENDALE, CA 91209-0263
PO BOX 264, GLENDALE, CA 91209-0264
PO BOX 265, GLENDALE, CA 91209-0265
PO BOX 266, GLENDALE, CA 91209-0266
PO BOX 267, GLENDALE, CA 91209-0267
PO BOX 268, GLENDALE, CA 91209-0268
PO BOX 269, GLENDALE, CA 91209-0269
PO BOX 270, GLENDALE, CA 91209-0270
PO BOX 271, GLENDALE, CA 91209-0271
PO BOX 272, GLENDALE, CA 91209-0272
PO BOX 273, GLENDALE, CA 91209-0273
PO BOX 274, GLENDALE, CA 91209-0274
PO BOX 275, GLENDALE, CA 91209-0275
PO BOX 276, GLENDALE, CA 91209-0276
PO BOX 277, GLENDALE, CA 91209-0277
PO BOX 278, GLENDALE, CA 91209-0278
PO BOX 279, GLENDALE, CA 91209-0279
PO BOX 280, GLENDALE, CA 91209-0280
PO BOX 281, GLENDALE, CA 91209-0281
PO BOX 282, GLENDALE, CA 91209-0282
PO BOX 283, GLENDALE, CA 91209-0283
PO BOX 284, GLENDALE, CA 91209-0284
PO BOX 285, GLENDALE, CA 91209-0285
PO BOX 286, GLENDALE, CA 91209-0286
PO BOX 287, GLENDALE, CA 91209-0287
PO BOX 288, GLENDALE, CA 91209-0288
PO BOX 289, GLENDALE, CA 91209-0289
PO BOX 290, GLENDALE, CA 91209-0290
PO BOX 291, GLENDALE, CA 91209-0291
PO BOX 292, GLENDALE, CA 91209-0292
PO BOX 293, GLENDALE, CA 91209-0293
PO BOX 294, GLENDALE, CA 91209-0294
PO BOX 295, GLENDALE, CA 91209-0295
PO BOX 296, GLENDALE, CA 91209-0296
PO BOX 297, GLENDALE, CA 91209-0297
PO BOX 298, GLENDALE, CA 91209-0298
PO BOX 299, GLENDALE, CA 91209-0299
PO BOX 300, GLENDALE, CA 91209-0300
PO BOX 301, GLENDALE, CA 91209-0301
PO BOX 302, GLENDALE, CA 91209-0302
PO BOX 303, GLENDALE, CA 91209-0303
PO BOX 304, GLENDALE, CA 91209-0304
PO BOX 305, GLENDALE, CA 91209-0305
PO BOX 306, GLENDALE, CA 91209-0306
PO BOX 307, GLENDALE, CA 91209-0307
PO BOX 308, GLENDALE, CA 91209-0308
PO BOX 309, GLENDALE, CA 91209-0309
PO BOX 310, GLENDALE, CA 91209-0310
PO BOX 311, GLENDALE, CA 91209-0311
PO BOX 312, GLENDALE, CA 91209-0312
PO BOX 313, GLENDALE, CA 91209-0313
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