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 5901, DAVIDSON, NC 28035-5901
PO BOX 5902, DAVIDSON, NC 28035-5902
PO BOX 5903, DAVIDSON, NC 28035-5903
PO BOX 5904, DAVIDSON, NC 28035-5904
PO BOX 5905, DAVIDSON, NC 28035-5905
PO BOX 5906, DAVIDSON, NC 28035-5906
PO BOX 5907, DAVIDSON, NC 28035-5907
PO BOX 5908, DAVIDSON, NC 28035-5908
PO BOX 5909, DAVIDSON, NC 28035-5909
PO BOX 5910, DAVIDSON, NC 28035-5910
PO BOX 5911, DAVIDSON, NC 28035-5911
PO BOX 5912, DAVIDSON, NC 28035-5912
PO BOX 5913, DAVIDSON, NC 28035-5913
PO BOX 5914, DAVIDSON, NC 28035-5914
PO BOX 5915, DAVIDSON, NC 28035-5915
PO BOX 5916, DAVIDSON, NC 28035-5916
PO BOX 5917, DAVIDSON, NC 28035-5917
PO BOX 5918, DAVIDSON, NC 28035-5918
PO BOX 5919, DAVIDSON, NC 28035-5919
PO BOX 5920, DAVIDSON, NC 28035-5920
PO BOX 5921, DAVIDSON, NC 28035-5921
PO BOX 5922, DAVIDSON, NC 28035-5922
PO BOX 5923, DAVIDSON, NC 28035-5923
PO BOX 5924, DAVIDSON, NC 28035-5924
PO BOX 5925, DAVIDSON, NC 28035-5925
PO BOX 5926, DAVIDSON, NC 28035-5926
PO BOX 5927, DAVIDSON, NC 28035-5927
PO BOX 5928, DAVIDSON, NC 28035-5928
PO BOX 5929, DAVIDSON, NC 28035-5929
PO BOX 5930, DAVIDSON, NC 28035-5930
PO BOX 5931, DAVIDSON, NC 28035-5931
PO BOX 5932, DAVIDSON, NC 28035-5932
PO BOX 5933, DAVIDSON, NC 28035-5933
PO BOX 5934, DAVIDSON, NC 28035-5934
PO BOX 5935, DAVIDSON, NC 28035-5935
PO BOX 5936, DAVIDSON, NC 28035-5936
PO BOX 5937, DAVIDSON, NC 28035-5937
PO BOX 5938, DAVIDSON, NC 28035-5938
PO BOX 5939, DAVIDSON, NC 28035-5939
PO BOX 5940, DAVIDSON, NC 28035-5940
PO BOX 5941, DAVIDSON, NC 28035-5941
PO BOX 5942, DAVIDSON, NC 28035-5942
PO BOX 5943, DAVIDSON, NC 28035-5943
PO BOX 5944, DAVIDSON, NC 28035-5944
PO BOX 5945, DAVIDSON, NC 28035-5945
PO BOX 5946, DAVIDSON, NC 28035-5946
PO BOX 5947, DAVIDSON, NC 28035-5947
PO BOX 5948, DAVIDSON, NC 28035-5948
PO BOX 5949, DAVIDSON, NC 28035-5949
PO BOX 5950, DAVIDSON, NC 28035-5950
PO BOX 5951, DAVIDSON, NC 28035-5951
PO BOX 5952, DAVIDSON, NC 28035-5952
PO BOX 5953, DAVIDSON, NC 28035-5953
PO BOX 5954, DAVIDSON, NC 28035-5954
PO BOX 5955, DAVIDSON, NC 28035-5955
PO BOX 5956, DAVIDSON, NC 28035-5956
PO BOX 5957, DAVIDSON, NC 28035-5957
PO BOX 5958, DAVIDSON, NC 28035-5958
PO BOX 5959, DAVIDSON, NC 28035-5959
PO BOX 5960, DAVIDSON, NC 28035-5960
PO BOX 5961, DAVIDSON, NC 28035-5961
PO BOX 5962, DAVIDSON, NC 28035-5962
PO BOX 5963, DAVIDSON, NC 28035-5963
PO BOX 5964, DAVIDSON, NC 28035-5964
PO BOX 5965, DAVIDSON, NC 28035-5965
PO BOX 5966, DAVIDSON, NC 28035-5966
PO BOX 5967, DAVIDSON, NC 28035-5967
PO BOX 5968, DAVIDSON, NC 28035-5968
PO BOX 5969, DAVIDSON, NC 28035-5969
PO BOX 5970, DAVIDSON, NC 28035-5970
PO BOX 5971, DAVIDSON, NC 28035-5971
PO BOX 5972, DAVIDSON, NC 28035-5972
PO BOX 5973, DAVIDSON, NC 28035-5973
PO BOX 5974, DAVIDSON, NC 28035-5974
PO BOX 5975, DAVIDSON, NC 28035-5975
PO BOX 5976, DAVIDSON, NC 28035-5976
PO BOX 5977, DAVIDSON, NC 28035-5977
PO BOX 5978, DAVIDSON, NC 28035-5978
PO BOX 5979, DAVIDSON, NC 28035-5979
PO BOX 5980, DAVIDSON, NC 28035-5980
PO BOX 5981, DAVIDSON, NC 28035-5981
PO BOX 5982, DAVIDSON, NC 28035-5982
PO BOX 5983, DAVIDSON, NC 28035-5983
PO BOX 5984, DAVIDSON, NC 28035-5984
PO BOX 5985, DAVIDSON, NC 28035-5985
PO BOX 5986, DAVIDSON, NC 28035-5986
PO BOX 5987, DAVIDSON, NC 28035-5987
PO BOX 5988, DAVIDSON, NC 28035-5988
PO BOX 5989, DAVIDSON, NC 28035-5989
PO BOX 5990, DAVIDSON, NC 28035-5990
PO BOX 5991, DAVIDSON, NC 28035-5991
PO BOX 5992, DAVIDSON, NC 28035-5992
PO BOX 5993, DAVIDSON, NC 28035-5993
PO BOX 5994, DAVIDSON, NC 28035-5994
PO BOX 5995, DAVIDSON, NC 28035-5995
PO BOX 5996, DAVIDSON, NC 28035-5996
PO BOX 5997, DAVIDSON, NC 28035-5997
PO BOX 5998, DAVIDSON, NC 28035-5998
PO BOX 5999, DAVIDSON, NC 28035-5999
PO BOX 6000, DAVIDSON, NC 28035-6000
PO BOX 6001, DAVIDSON, NC 28035-6001
PO BOX 6002, DAVIDSON, NC 28035-6002
PO BOX 6003, DAVIDSON, NC 28035-6003
PO BOX 6004, DAVIDSON, NC 28035-6004
PO BOX 6005, DAVIDSON, NC 28035-6005
PO BOX 6006, DAVIDSON, NC 28035-6006
PO BOX 6007, DAVIDSON, NC 28035-6007
PO BOX 6008, DAVIDSON, NC 28035-6008
PO BOX 6009, DAVIDSON, NC 28035-6009
PO BOX 6010, DAVIDSON, NC 28035-6010
PO BOX 6011, DAVIDSON, NC 28035-6011
PO BOX 6012, DAVIDSON, NC 28035-6012
PO BOX 6013, DAVIDSON, NC 28035-6013
PO BOX 6014, DAVIDSON, NC 28035-6014
PO BOX 6015, DAVIDSON, NC 28035-6015
PO BOX 6016, DAVIDSON, NC 28035-6016
PO BOX 6017, DAVIDSON, NC 28035-6017
PO BOX 6018, DAVIDSON, NC 28035-6018
PO BOX 6019, DAVIDSON, NC 28035-6019
PO BOX 6020, DAVIDSON, NC 28035-6020
PO BOX 6021, DAVIDSON, NC 28035-6021
PO BOX 6022, DAVIDSON, NC 28035-6022
PO BOX 6023, DAVIDSON, NC 28035-6023
PO BOX 6024, DAVIDSON, NC 28035-6024
PO BOX 6025, DAVIDSON, NC 28035-6025
PO BOX 6026, DAVIDSON, NC 28035-6026
PO BOX 6027, DAVIDSON, NC 28035-6027
PO BOX 6028, DAVIDSON, NC 28035-6028
PO BOX 6029, DAVIDSON, NC 28035-6029
PO BOX 6030, DAVIDSON, NC 28035-6030
PO BOX 6031, DAVIDSON, NC 28035-6031
PO BOX 6032, DAVIDSON, NC 28035-6032
PO BOX 6033, DAVIDSON, NC 28035-6033
PO BOX 6034, DAVIDSON, NC 28035-6034
PO BOX 6035, DAVIDSON, NC 28035-6035
PO BOX 6036, DAVIDSON, NC 28035-6036
PO BOX 6037, DAVIDSON, NC 28035-6037
PO BOX 6038, DAVIDSON, NC 28035-6038
PO BOX 6039, DAVIDSON, NC 28035-6039
PO BOX 6040, DAVIDSON, NC 28035-6040
PO BOX 6041, DAVIDSON, NC 28035-6041
PO BOX 6042, DAVIDSON, NC 28035-6042
PO BOX 6043, DAVIDSON, NC 28035-6043
PO BOX 6044, DAVIDSON, NC 28035-6044
PO BOX 6045, DAVIDSON, NC 28035-6045
PO BOX 6046, DAVIDSON, NC 28035-6046
PO BOX 6047, DAVIDSON, NC 28035-6047
PO BOX 6048, DAVIDSON, NC 28035-6048
PO BOX 6049, DAVIDSON, NC 28035-6049
PO BOX 6050, DAVIDSON, NC 28035-6050
PO BOX 6051, DAVIDSON, NC 28035-6051
PO BOX 6052, DAVIDSON, NC 28035-6052
PO BOX 6053, DAVIDSON, NC 28035-6053
PO BOX 6054, DAVIDSON, NC 28035-6054
PO BOX 6055, DAVIDSON, NC 28035-6055
PO BOX 6056, DAVIDSON, NC 28035-6056
PO BOX 6057, DAVIDSON, NC 28035-6057
PO BOX 6058, DAVIDSON, NC 28035-6058
PO BOX 6059, DAVIDSON, NC 28035-6059
PO BOX 6060, DAVIDSON, NC 28035-6060
PO BOX 6061, DAVIDSON, NC 28035-6061
PO BOX 6062, DAVIDSON, NC 28035-6062
PO BOX 6063, DAVIDSON, NC 28035-6063
PO BOX 6064, DAVIDSON, NC 28035-6064
PO BOX 6065, DAVIDSON, NC 28035-6065
PO BOX 6066, DAVIDSON, NC 28035-6066
PO BOX 6067, DAVIDSON, NC 28035-6067
PO BOX 6068, DAVIDSON, NC 28035-6068
PO BOX 6069, DAVIDSON, NC 28035-6069
PO BOX 6070, DAVIDSON, NC 28035-6070
PO BOX 6071, DAVIDSON, NC 28035-6071
PO BOX 6072, DAVIDSON, NC 28035-6072
PO BOX 6073, DAVIDSON, NC 28035-6073
PO BOX 6074, DAVIDSON, NC 28035-6074
PO BOX 6075, DAVIDSON, NC 28035-6075
PO BOX 6076, DAVIDSON, NC 28035-6076
PO BOX 6077, DAVIDSON, NC 28035-6077
PO BOX 6078, DAVIDSON, NC 28035-6078
PO BOX 6079, DAVIDSON, NC 28035-6079
PO BOX 6080, DAVIDSON, NC 28035-6080
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