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 871, SOUTHERN PINES, NC 28388-0871
PO BOX 872, SOUTHERN PINES, NC 28388-0872
PO BOX 873, SOUTHERN PINES, NC 28388-0873
PO BOX 874, SOUTHERN PINES, NC 28388-0874
PO BOX 875, SOUTHERN PINES, NC 28388-0875
PO BOX 876, SOUTHERN PINES, NC 28388-0876
PO BOX 877, SOUTHERN PINES, NC 28388-0877
PO BOX 878, SOUTHERN PINES, NC 28388-0878
PO BOX 879, SOUTHERN PINES, NC 28388-0879
PO BOX 880, SOUTHERN PINES, NC 28388-0880
PO BOX 881, SOUTHERN PINES, NC 28388-0881
PO BOX 882, SOUTHERN PINES, NC 28388-0882
PO BOX 883, SOUTHERN PINES, NC 28388-0883
PO BOX 884, SOUTHERN PINES, NC 28388-0884
PO BOX 885, SOUTHERN PINES, NC 28388-0885
PO BOX 886, SOUTHERN PINES, NC 28388-0886
PO BOX 887, SOUTHERN PINES, NC 28388-0887
PO BOX 888, SOUTHERN PINES, NC 28388-0888
PO BOX 889, SOUTHERN PINES, NC 28388-0889
PO BOX 890, SOUTHERN PINES, NC 28388-0890
PO BOX 891, SOUTHERN PINES, NC 28388-0891
PO BOX 892, SOUTHERN PINES, NC 28388-0892
PO BOX 893, SOUTHERN PINES, NC 28388-0893
PO BOX 894, SOUTHERN PINES, NC 28388-0894
PO BOX 895, SOUTHERN PINES, NC 28388-0895
PO BOX 896, SOUTHERN PINES, NC 28388-0896
PO BOX 897, SOUTHERN PINES, NC 28388-0897
PO BOX 898, SOUTHERN PINES, NC 28388-0898
PO BOX 899, SOUTHERN PINES, NC 28388-0899
PO BOX 900, SOUTHERN PINES, NC 28388-0900
PO BOX 901, SOUTHERN PINES, NC 28388-0901
PO BOX 902, SOUTHERN PINES, NC 28388-0902
PO BOX 903, SOUTHERN PINES, NC 28388-0903
PO BOX 904, SOUTHERN PINES, NC 28388-0904
PO BOX 905, SOUTHERN PINES, NC 28388-0905
PO BOX 906, SOUTHERN PINES, NC 28388-0906
PO BOX 907, SOUTHERN PINES, NC 28388-0907
PO BOX 908, SOUTHERN PINES, NC 28388-0908
PO BOX 909, SOUTHERN PINES, NC 28388-0909
PO BOX 910, SOUTHERN PINES, NC 28388-0910
PO BOX 911, SOUTHERN PINES, NC 28388-0911
PO BOX 912, SOUTHERN PINES, NC 28388-0912
PO BOX 913, SOUTHERN PINES, NC 28388-0913
PO BOX 914, SOUTHERN PINES, NC 28388-0914
PO BOX 915, SOUTHERN PINES, NC 28388-0915
PO BOX 916, SOUTHERN PINES, NC 28388-0916
PO BOX 917, SOUTHERN PINES, NC 28388-0917
PO BOX 918, SOUTHERN PINES, NC 28388-0918
PO BOX 919, SOUTHERN PINES, NC 28388-0919
PO BOX 920, SOUTHERN PINES, NC 28388-0920
PO BOX 921, SOUTHERN PINES, NC 28388-0921
PO BOX 922, SOUTHERN PINES, NC 28388-0922
PO BOX 923, SOUTHERN PINES, NC 28388-0923
PO BOX 924, SOUTHERN PINES, NC 28388-0924
PO BOX 925, SOUTHERN PINES, NC 28388-0925
PO BOX 926, SOUTHERN PINES, NC 28388-0926
PO BOX 927, SOUTHERN PINES, NC 28388-0927
PO BOX 928, SOUTHERN PINES, NC 28388-0928
PO BOX 929, SOUTHERN PINES, NC 28388-0929
PO BOX 930, SOUTHERN PINES, NC 28388-0930
PO BOX 931, SOUTHERN PINES, NC 28388-0931
PO BOX 932, SOUTHERN PINES, NC 28388-0932
PO BOX 933, SOUTHERN PINES, NC 28388-0933
PO BOX 934, SOUTHERN PINES, NC 28388-0934
PO BOX 935, SOUTHERN PINES, NC 28388-0935
PO BOX 936, SOUTHERN PINES, NC 28388-0936
PO BOX 937, SOUTHERN PINES, NC 28388-0937
PO BOX 938, SOUTHERN PINES, NC 28388-0938
PO BOX 939, SOUTHERN PINES, NC 28388-0939
PO BOX 940, SOUTHERN PINES, NC 28388-0940
PO BOX 941, SOUTHERN PINES, NC 28388-0941
PO BOX 942, SOUTHERN PINES, NC 28388-0942
PO BOX 943, SOUTHERN PINES, NC 28388-0943
PO BOX 944, SOUTHERN PINES, NC 28388-0944
PO BOX 945, SOUTHERN PINES, NC 28388-0945
PO BOX 946, SOUTHERN PINES, NC 28388-0946
PO BOX 947, SOUTHERN PINES, NC 28388-0947
PO BOX 948, SOUTHERN PINES, NC 28388-0948
PO BOX 949, SOUTHERN PINES, NC 28388-0949
PO BOX 950, SOUTHERN PINES, NC 28388-0950
PO BOX 951, SOUTHERN PINES, NC 28388-0951
PO BOX 952, SOUTHERN PINES, NC 28388-0952
PO BOX 953, SOUTHERN PINES, NC 28388-0953
PO BOX 954, SOUTHERN PINES, NC 28388-0954
PO BOX 955, SOUTHERN PINES, NC 28388-0955
PO BOX 956, SOUTHERN PINES, NC 28388-0956
PO BOX 957, SOUTHERN PINES, NC 28388-0957
PO BOX 958, SOUTHERN PINES, NC 28388-0958
PO BOX 959, SOUTHERN PINES, NC 28388-0959
PO BOX 960, SOUTHERN PINES, NC 28388-0960
PO BOX 961, SOUTHERN PINES, NC 28388-0961
PO BOX 962, SOUTHERN PINES, NC 28388-0962
PO BOX 963, SOUTHERN PINES, NC 28388-0963
PO BOX 964, SOUTHERN PINES, NC 28388-0964
PO BOX 965, SOUTHERN PINES, NC 28388-0965
PO BOX 966, SOUTHERN PINES, NC 28388-0966
PO BOX 967, SOUTHERN PINES, NC 28388-0967
PO BOX 968, SOUTHERN PINES, NC 28388-0968
PO BOX 969, SOUTHERN PINES, NC 28388-0969
PO BOX 970, SOUTHERN PINES, NC 28388-0970
PO BOX 971, SOUTHERN PINES, NC 28388-0971
PO BOX 972, SOUTHERN PINES, NC 28388-0972
PO BOX 973, SOUTHERN PINES, NC 28388-0973
PO BOX 974, SOUTHERN PINES, NC 28388-0974
PO BOX 975, SOUTHERN PINES, NC 28388-0975
PO BOX 976, SOUTHERN PINES, NC 28388-0976
PO BOX 977, SOUTHERN PINES, NC 28388-0977
PO BOX 978, SOUTHERN PINES, NC 28388-0978
PO BOX 979, SOUTHERN PINES, NC 28388-0979
PO BOX 980, SOUTHERN PINES, NC 28388-0980
PO BOX 981, SOUTHERN PINES, NC 28388-0981
PO BOX 982, SOUTHERN PINES, NC 28388-0982
PO BOX 983, SOUTHERN PINES, NC 28388-0983
PO BOX 984, SOUTHERN PINES, NC 28388-0984
PO BOX 985, SOUTHERN PINES, NC 28388-0985
PO BOX 986, SOUTHERN PINES, NC 28388-0986
PO BOX 987, SOUTHERN PINES, NC 28388-0987
PO BOX 988, SOUTHERN PINES, NC 28388-0988
PO BOX 989, SOUTHERN PINES, NC 28388-0989
PO BOX 990, SOUTHERN PINES, NC 28388-0990
PO BOX 991, SOUTHERN PINES, NC 28388-0991
PO BOX 992, SOUTHERN PINES, NC 28388-0992
PO BOX 993, SOUTHERN PINES, NC 28388-0993
PO BOX 994, SOUTHERN PINES, NC 28388-0994
PO BOX 995, SOUTHERN PINES, NC 28388-0995
PO BOX 996, SOUTHERN PINES, NC 28388-0996
PO BOX 997, SOUTHERN PINES, NC 28388-0997
PO BOX 998, SOUTHERN PINES, NC 28388-0998
PO BOX 999, SOUTHERN PINES, NC 28388-0999
PO BOX 1000, SOUTHERN PINES, NC 28388-1000
PO BOX 1001, SOUTHERN PINES, NC 28388-1001
PO BOX 1002, SOUTHERN PINES, NC 28388-1002
PO BOX 1003, SOUTHERN PINES, NC 28388-1003
PO BOX 1004, SOUTHERN PINES, NC 28388-1004
PO BOX 1005, SOUTHERN PINES, NC 28388-1005
PO BOX 1006, SOUTHERN PINES, NC 28388-1006
PO BOX 1007, SOUTHERN PINES, NC 28388-1007
PO BOX 1008, SOUTHERN PINES, NC 28388-1008
PO BOX 1009, SOUTHERN PINES, NC 28388-1009
PO BOX 1010, SOUTHERN PINES, NC 28388-1010
PO BOX 1011, SOUTHERN PINES, NC 28388-1011
PO BOX 1012, SOUTHERN PINES, NC 28388-1012
PO BOX 1013, SOUTHERN PINES, NC 28388-1013
PO BOX 1014, SOUTHERN PINES, NC 28388-1014
PO BOX 1015, SOUTHERN PINES, NC 28388-1015
PO BOX 1016, SOUTHERN PINES, NC 28388-1016
PO BOX 1017, SOUTHERN PINES, NC 28388-1017
PO BOX 1018, SOUTHERN PINES, NC 28388-1018
PO BOX 1019, SOUTHERN PINES, NC 28388-1019
PO BOX 1020, SOUTHERN PINES, NC 28388-1020
PO BOX 1021, SOUTHERN PINES, NC 28388-1021
PO BOX 1022, SOUTHERN PINES, NC 28388-1022
PO BOX 1023, SOUTHERN PINES, NC 28388-1023
PO BOX 1024, SOUTHERN PINES, NC 28388-1024
PO BOX 1025, SOUTHERN PINES, NC 28388-1025
PO BOX 1026, SOUTHERN PINES, NC 28388-1026
PO BOX 1027, SOUTHERN PINES, NC 28388-1027
PO BOX 1028, SOUTHERN PINES, NC 28388-1028
PO BOX 1029, SOUTHERN PINES, NC 28388-1029
PO BOX 1030, SOUTHERN PINES, NC 28388-1030
PO BOX 1031, SOUTHERN PINES, NC 28388-1031
PO BOX 1032, SOUTHERN PINES, NC 28388-1032
PO BOX 1033, SOUTHERN PINES, NC 28388-1033
PO BOX 1034, SOUTHERN PINES, NC 28388-1034
PO BOX 1035, SOUTHERN PINES, NC 28388-1035
PO BOX 1036, SOUTHERN PINES, NC 28388-1036
PO BOX 1037, SOUTHERN PINES, NC 28388-1037
PO BOX 1038, SOUTHERN PINES, NC 28388-1038
PO BOX 1039, SOUTHERN PINES, NC 28388-1039
PO BOX 1040, SOUTHERN PINES, NC 28388-1040
PO BOX 1041, SOUTHERN PINES, NC 28388-1041
PO BOX 1042, SOUTHERN PINES, NC 28388-1042
PO BOX 1043, SOUTHERN PINES, NC 28388-1043
PO BOX 1044, SOUTHERN PINES, NC 28388-1044
PO BOX 1045, SOUTHERN PINES, NC 28388-1045
PO BOX 1046, SOUTHERN PINES, NC 28388-1046
PO BOX 1047, SOUTHERN PINES, NC 28388-1047
PO BOX 1048, SOUTHERN PINES, NC 28388-1048
PO BOX 1049, SOUTHERN PINES, NC 28388-1049
PO BOX 1050, SOUTHERN PINES, NC 28388-1050
PO BOX 1051, SOUTHERN PINES, NC 28388-1051
PO BOX 1052, SOUTHERN PINES, NC 28388-1052
PO BOX 1053, SOUTHERN PINES, NC 28388-1053
PO BOX 1054, SOUTHERN PINES, NC 28388-1054
PO BOX 1055, SOUTHERN PINES, NC 28388-1055
PO BOX 1056, SOUTHERN PINES, NC 28388-1056
PO BOX 1057, SOUTHERN PINES, NC 28388-1057
PO BOX 1058, SOUTHERN PINES, NC 28388-1058
PO BOX 1059, SOUTHERN PINES, NC 28388-1059
PO BOX 1060, SOUTHERN PINES, NC 28388-1060
PO BOX 1061, SOUTHERN PINES, NC 28388-1061
PO BOX 1062, SOUTHERN PINES, NC 28388-1062
PO BOX 1063, SOUTHERN PINES, NC 28388-1063
PO BOX 1064, SOUTHERN PINES, NC 28388-1064
PO BOX 1065, SOUTHERN PINES, NC 28388-1065
PO BOX 1066, SOUTHERN PINES, NC 28388-1066
PO BOX 1067, SOUTHERN PINES, NC 28388-1067
PO BOX 1068, SOUTHERN PINES, NC 28388-1068
PO BOX 1069, SOUTHERN PINES, NC 28388-1069
PO BOX 1070, SOUTHERN PINES, NC 28388-1070
PO BOX 1071, SOUTHERN PINES, NC 28388-1071
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