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 5001, INGLEWOOD, CA 90310-5001
PO BOX 5002, INGLEWOOD, CA 90310-5002
PO BOX 5003, INGLEWOOD, CA 90310-5003
PO BOX 5004, INGLEWOOD, CA 90310-5004
PO BOX 5005, INGLEWOOD, CA 90310-5005
PO BOX 5006, INGLEWOOD, CA 90310-5006
PO BOX 5007, INGLEWOOD, CA 90310-5007
PO BOX 5008, INGLEWOOD, CA 90310-5008
PO BOX 5009, INGLEWOOD, CA 90310-5009
PO BOX 5010, INGLEWOOD, CA 90310-5010
PO BOX 5011, INGLEWOOD, CA 90310-5011
PO BOX 5012, INGLEWOOD, CA 90310-5012
PO BOX 5013, INGLEWOOD, CA 90310-5013
PO BOX 5014, INGLEWOOD, CA 90310-5014
PO BOX 5015, INGLEWOOD, CA 90310-5015
PO BOX 5016, INGLEWOOD, CA 90310-5016
PO BOX 5017, INGLEWOOD, CA 90310-5017
PO BOX 5018, INGLEWOOD, CA 90310-5018
PO BOX 5019, INGLEWOOD, CA 90310-5019
PO BOX 5020, INGLEWOOD, CA 90310-5020
PO BOX 5021, INGLEWOOD, CA 90310-5021
PO BOX 5022, INGLEWOOD, CA 90310-5022
PO BOX 5023, INGLEWOOD, CA 90310-5023
PO BOX 5024, INGLEWOOD, CA 90310-5024
PO BOX 5025, INGLEWOOD, CA 90310-5025
PO BOX 5026, INGLEWOOD, CA 90310-5026
PO BOX 5027, INGLEWOOD, CA 90310-5027
PO BOX 5028, INGLEWOOD, CA 90310-5028
PO BOX 5029, INGLEWOOD, CA 90310-5029
PO BOX 5030, INGLEWOOD, CA 90310-5030
PO BOX 5031, INGLEWOOD, CA 90310-5031
PO BOX 5032, INGLEWOOD, CA 90310-5032
PO BOX 5033, INGLEWOOD, CA 90310-5033
PO BOX 5034, INGLEWOOD, CA 90310-5034
PO BOX 5035, INGLEWOOD, CA 90310-5035
PO BOX 5036, INGLEWOOD, CA 90310-5036
PO BOX 5037, INGLEWOOD, CA 90310-5037
PO BOX 5038, INGLEWOOD, CA 90310-5038
PO BOX 5039, INGLEWOOD, CA 90310-5039
PO BOX 5040, INGLEWOOD, CA 90310-5040
PO BOX 5041, INGLEWOOD, CA 90310-5041
PO BOX 5042, INGLEWOOD, CA 90310-5042
PO BOX 5043, INGLEWOOD, CA 90310-5043
PO BOX 5044, INGLEWOOD, CA 90310-5044
PO BOX 5045, INGLEWOOD, CA 90310-5045
PO BOX 5046, INGLEWOOD, CA 90310-5046
PO BOX 5047, INGLEWOOD, CA 90310-5047
PO BOX 5048, INGLEWOOD, CA 90310-5048
PO BOX 5049, INGLEWOOD, CA 90310-5049
PO BOX 5050, INGLEWOOD, CA 90310-5050
PO BOX 5051, INGLEWOOD, CA 90310-5051
PO BOX 5052, INGLEWOOD, CA 90310-5052
PO BOX 5053, INGLEWOOD, CA 90310-5053
PO BOX 5054, INGLEWOOD, CA 90310-5054
PO BOX 5055, INGLEWOOD, CA 90310-5055
PO BOX 5056, INGLEWOOD, CA 90310-5056
PO BOX 5057, INGLEWOOD, CA 90310-5057
PO BOX 5058, INGLEWOOD, CA 90310-5058
PO BOX 5059, INGLEWOOD, CA 90310-5059
PO BOX 5060, INGLEWOOD, CA 90310-5060
PO BOX 5061, INGLEWOOD, CA 90310-5061
PO BOX 5062, INGLEWOOD, CA 90310-5062
PO BOX 5063, INGLEWOOD, CA 90310-5063
PO BOX 5064, INGLEWOOD, CA 90310-5064
PO BOX 5065, INGLEWOOD, CA 90310-5065
PO BOX 5066, INGLEWOOD, CA 90310-5066
PO BOX 5067, INGLEWOOD, CA 90310-5067
PO BOX 5068, INGLEWOOD, CA 90310-5068
PO BOX 5069, INGLEWOOD, CA 90310-5069
PO BOX 5070, INGLEWOOD, CA 90310-5070
PO BOX 5071, INGLEWOOD, CA 90310-5071
PO BOX 5072, INGLEWOOD, CA 90310-5072
PO BOX 5073, INGLEWOOD, CA 90310-5073
PO BOX 5074, INGLEWOOD, CA 90310-5074
PO BOX 5075, INGLEWOOD, CA 90310-5075
PO BOX 5076, INGLEWOOD, CA 90310-5076
PO BOX 5077, INGLEWOOD, CA 90310-5077
PO BOX 5078, INGLEWOOD, CA 90310-5078
PO BOX 5079, INGLEWOOD, CA 90310-5079
PO BOX 5080, INGLEWOOD, CA 90310-5080
PO BOX 5081, INGLEWOOD, CA 90310-5081
PO BOX 5082, INGLEWOOD, CA 90310-5082
PO BOX 5083, INGLEWOOD, CA 90310-5083
PO BOX 5084, INGLEWOOD, CA 90310-5084
PO BOX 5085, INGLEWOOD, CA 90310-5085
PO BOX 5086, INGLEWOOD, CA 90310-5086
PO BOX 5087, INGLEWOOD, CA 90310-5087
PO BOX 5088, INGLEWOOD, CA 90310-5088
PO BOX 5089, INGLEWOOD, CA 90310-5089
PO BOX 5090, INGLEWOOD, CA 90310-5090
PO BOX 5091, INGLEWOOD, CA 90310-5091
PO BOX 5092, INGLEWOOD, CA 90310-5092
PO BOX 5093, INGLEWOOD, CA 90310-5093
PO BOX 5094, INGLEWOOD, CA 90310-5094
PO BOX 5095, INGLEWOOD, CA 90310-5095
PO BOX 5096, INGLEWOOD, CA 90310-5096
PO BOX 5097, INGLEWOOD, CA 90310-5097
PO BOX 5098, INGLEWOOD, CA 90310-5098
PO BOX 5099, INGLEWOOD, CA 90310-5099
PO BOX 5100, INGLEWOOD, CA 90310-5100
PO BOX 5101, INGLEWOOD, CA 90310-5101
PO BOX 5102, INGLEWOOD, CA 90310-5102
PO BOX 5103, INGLEWOOD, CA 90310-5103
PO BOX 5104, INGLEWOOD, CA 90310-5104
PO BOX 5105, INGLEWOOD, CA 90310-5105
PO BOX 5106, INGLEWOOD, CA 90310-5106
PO BOX 5107, INGLEWOOD, CA 90310-5107
PO BOX 5108, INGLEWOOD, CA 90310-5108
PO BOX 5109, INGLEWOOD, CA 90310-5109
PO BOX 5110, INGLEWOOD, CA 90310-5110
PO BOX 5111, INGLEWOOD, CA 90310-5111
PO BOX 5112, INGLEWOOD, CA 90310-5112
PO BOX 5113, INGLEWOOD, CA 90310-5113
PO BOX 5114, INGLEWOOD, CA 90310-5114
PO BOX 5115, INGLEWOOD, CA 90310-5115
PO BOX 5116, INGLEWOOD, CA 90310-5116
PO BOX 5117, INGLEWOOD, CA 90310-5117
PO BOX 5118, INGLEWOOD, CA 90310-5118
PO BOX 5119, INGLEWOOD, CA 90310-5119
PO BOX 5120, INGLEWOOD, CA 90310-5120
PO BOX 5121, INGLEWOOD, CA 90310-5121
PO BOX 5122, INGLEWOOD, CA 90310-5122
PO BOX 5123, INGLEWOOD, CA 90310-5123
PO BOX 5124, INGLEWOOD, CA 90310-5124
PO BOX 5125, INGLEWOOD, CA 90310-5125
PO BOX 5126, INGLEWOOD, CA 90310-5126
PO BOX 5127, INGLEWOOD, CA 90310-5127
PO BOX 5128, INGLEWOOD, CA 90310-5128
PO BOX 5129, INGLEWOOD, CA 90310-5129
PO BOX 5130, INGLEWOOD, CA 90310-5130
PO BOX 5131, INGLEWOOD, CA 90310-5131
PO BOX 5132, INGLEWOOD, CA 90310-5132
PO BOX 5133, INGLEWOOD, CA 90310-5133
PO BOX 5134, INGLEWOOD, CA 90310-5134
PO BOX 5135, INGLEWOOD, CA 90310-5135
PO BOX 5136, INGLEWOOD, CA 90310-5136
PO BOX 5137, INGLEWOOD, CA 90310-5137
PO BOX 5138, INGLEWOOD, CA 90310-5138
PO BOX 5139, INGLEWOOD, CA 90310-5139
PO BOX 5140, INGLEWOOD, CA 90310-5140
PO BOX 5141, INGLEWOOD, CA 90310-5141
PO BOX 5142, INGLEWOOD, CA 90310-5142
PO BOX 5143, INGLEWOOD, CA 90310-5143
PO BOX 5144, INGLEWOOD, CA 90310-5144
PO BOX 5145, INGLEWOOD, CA 90310-5145
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