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 1001, FAIRCHILD AIR FORCE BASE, WA 99011-1001
PO BOX 1002, FAIRCHILD AIR FORCE BASE, WA 99011-1002
PO BOX 1003, FAIRCHILD AIR FORCE BASE, WA 99011-1003
PO BOX 1004, FAIRCHILD AIR FORCE BASE, WA 99011-1004
PO BOX 1005, FAIRCHILD AIR FORCE BASE, WA 99011-1005
PO BOX 1006, FAIRCHILD AIR FORCE BASE, WA 99011-1006
PO BOX 1007, FAIRCHILD AIR FORCE BASE, WA 99011-1007
PO BOX 1008, FAIRCHILD AIR FORCE BASE, WA 99011-1008
PO BOX 1009, FAIRCHILD AIR FORCE BASE, WA 99011-1009
PO BOX 1010, FAIRCHILD AIR FORCE BASE, WA 99011-1010
PO BOX 1011, FAIRCHILD AIR FORCE BASE, WA 99011-1011
PO BOX 1012, FAIRCHILD AIR FORCE BASE, WA 99011-1012
PO BOX 1013, FAIRCHILD AIR FORCE BASE, WA 99011-1013
PO BOX 1014, FAIRCHILD AIR FORCE BASE, WA 99011-1014
PO BOX 1015, FAIRCHILD AIR FORCE BASE, WA 99011-1015
PO BOX 1016, FAIRCHILD AIR FORCE BASE, WA 99011-1016
PO BOX 1017, FAIRCHILD AIR FORCE BASE, WA 99011-1017
PO BOX 1018, FAIRCHILD AIR FORCE BASE, WA 99011-1018
PO BOX 1019, FAIRCHILD AIR FORCE BASE, WA 99011-1019
PO BOX 1020, FAIRCHILD AIR FORCE BASE, WA 99011-1020
PO BOX 1021, FAIRCHILD AIR FORCE BASE, WA 99011-1021
PO BOX 1022, FAIRCHILD AIR FORCE BASE, WA 99011-1022
PO BOX 1023, FAIRCHILD AIR FORCE BASE, WA 99011-1023
PO BOX 1024, FAIRCHILD AIR FORCE BASE, WA 99011-1024
PO BOX 1025, FAIRCHILD AIR FORCE BASE, WA 99011-1025
PO BOX 1026, FAIRCHILD AIR FORCE BASE, WA 99011-1026
PO BOX 1027, FAIRCHILD AIR FORCE BASE, WA 99011-1027
PO BOX 1028, FAIRCHILD AIR FORCE BASE, WA 99011-1028
PO BOX 1029, FAIRCHILD AIR FORCE BASE, WA 99011-1029
PO BOX 1030, FAIRCHILD AIR FORCE BASE, WA 99011-1030
PO BOX 1031, FAIRCHILD AIR FORCE BASE, WA 99011-1031
PO BOX 1032, FAIRCHILD AIR FORCE BASE, WA 99011-1032
PO BOX 1033, FAIRCHILD AIR FORCE BASE, WA 99011-1033
PO BOX 1034, FAIRCHILD AIR FORCE BASE, WA 99011-1034
PO BOX 1035, FAIRCHILD AIR FORCE BASE, WA 99011-1035
PO BOX 1036, FAIRCHILD AIR FORCE BASE, WA 99011-1036
PO BOX 1037, FAIRCHILD AIR FORCE BASE, WA 99011-1037
PO BOX 1038, FAIRCHILD AIR FORCE BASE, WA 99011-1038
PO BOX 1039, FAIRCHILD AIR FORCE BASE, WA 99011-1039
PO BOX 1040, FAIRCHILD AIR FORCE BASE, WA 99011-1040
PO BOX 1041, FAIRCHILD AIR FORCE BASE, WA 99011-1041
PO BOX 1042, FAIRCHILD AIR FORCE BASE, WA 99011-1042
PO BOX 1043, FAIRCHILD AIR FORCE BASE, WA 99011-1043
PO BOX 1044, FAIRCHILD AIR FORCE BASE, WA 99011-1044
PO BOX 1045, FAIRCHILD AIR FORCE BASE, WA 99011-1045
PO BOX 1046, FAIRCHILD AIR FORCE BASE, WA 99011-1046
PO BOX 1047, FAIRCHILD AIR FORCE BASE, WA 99011-1047
PO BOX 1048, FAIRCHILD AIR FORCE BASE, WA 99011-1048
PO BOX 1049, FAIRCHILD AIR FORCE BASE, WA 99011-1049
PO BOX 1050, FAIRCHILD AIR FORCE BASE, WA 99011-1050
PO BOX 1051, FAIRCHILD AIR FORCE BASE, WA 99011-1051
PO BOX 1052, FAIRCHILD AIR FORCE BASE, WA 99011-1052
PO BOX 1053, FAIRCHILD AIR FORCE BASE, WA 99011-1053
PO BOX 1054, FAIRCHILD AIR FORCE BASE, WA 99011-1054
PO BOX 1055, FAIRCHILD AIR FORCE BASE, WA 99011-1055
PO BOX 1056, FAIRCHILD AIR FORCE BASE, WA 99011-1056
PO BOX 1057, FAIRCHILD AIR FORCE BASE, WA 99011-1057
PO BOX 1058, FAIRCHILD AIR FORCE BASE, WA 99011-1058
PO BOX 1059, FAIRCHILD AIR FORCE BASE, WA 99011-1059
PO BOX 1060, FAIRCHILD AIR FORCE BASE, WA 99011-1060
PO BOX 1061, FAIRCHILD AIR FORCE BASE, WA 99011-1061
PO BOX 1062, FAIRCHILD AIR FORCE BASE, WA 99011-1062
PO BOX 1063, FAIRCHILD AIR FORCE BASE, WA 99011-1063
PO BOX 1064, FAIRCHILD AIR FORCE BASE, WA 99011-1064
PO BOX 1065, FAIRCHILD AIR FORCE BASE, WA 99011-1065
PO BOX 1066, FAIRCHILD AIR FORCE BASE, WA 99011-1066
PO BOX 1067, FAIRCHILD AIR FORCE BASE, WA 99011-1067
PO BOX 1068, FAIRCHILD AIR FORCE BASE, WA 99011-1068
PO BOX 1069, FAIRCHILD AIR FORCE BASE, WA 99011-1069
PO BOX 1070, FAIRCHILD AIR FORCE BASE, WA 99011-1070
PO BOX 1071, FAIRCHILD AIR FORCE BASE, WA 99011-1071
PO BOX 1072, FAIRCHILD AIR FORCE BASE, WA 99011-1072
PO BOX 1073, FAIRCHILD AIR FORCE BASE, WA 99011-1073
PO BOX 1074, FAIRCHILD AIR FORCE BASE, WA 99011-1074
PO BOX 1075, FAIRCHILD AIR FORCE BASE, WA 99011-1075
PO BOX 1076, FAIRCHILD AIR FORCE BASE, WA 99011-1076
PO BOX 1077, FAIRCHILD AIR FORCE BASE, WA 99011-1077
PO BOX 1078, FAIRCHILD AIR FORCE BASE, WA 99011-1078
PO BOX 1079, FAIRCHILD AIR FORCE BASE, WA 99011-1079
PO BOX 1080, FAIRCHILD AIR FORCE BASE, WA 99011-1080
PO BOX 1081, FAIRCHILD AIR FORCE BASE, WA 99011-1081
PO BOX 1082, FAIRCHILD AIR FORCE BASE, WA 99011-1082
PO BOX 1083, FAIRCHILD AIR FORCE BASE, WA 99011-1083
PO BOX 1084, FAIRCHILD AIR FORCE BASE, WA 99011-1084
PO BOX 1085, FAIRCHILD AIR FORCE BASE, WA 99011-1085
PO BOX 1086, FAIRCHILD AIR FORCE BASE, WA 99011-1086
PO BOX 1087, FAIRCHILD AIR FORCE BASE, WA 99011-1087
PO BOX 1088, FAIRCHILD AIR FORCE BASE, WA 99011-1088
PO BOX 1089, FAIRCHILD AIR FORCE BASE, WA 99011-1089
PO BOX 1090, FAIRCHILD AIR FORCE BASE, WA 99011-1090
PO BOX 1091, FAIRCHILD AIR FORCE BASE, WA 99011-1091
PO BOX 1092, FAIRCHILD AIR FORCE BASE, WA 99011-1092
PO BOX 1093, FAIRCHILD AIR FORCE BASE, WA 99011-1093
PO BOX 1094, FAIRCHILD AIR FORCE BASE, WA 99011-1094
PO BOX 1095, FAIRCHILD AIR FORCE BASE, WA 99011-1095
PO BOX 1096, FAIRCHILD AIR FORCE BASE, WA 99011-1096
PO BOX 1097, FAIRCHILD AIR FORCE BASE, WA 99011-1097
PO BOX 1098, FAIRCHILD AIR FORCE BASE, WA 99011-1098
PO BOX 1099, FAIRCHILD AIR FORCE BASE, WA 99011-1099
PO BOX 1100, FAIRCHILD AIR FORCE BASE, WA 99011-1100
PO BOX 1101, FAIRCHILD AIR FORCE BASE, WA 99011-1101
PO BOX 1102, FAIRCHILD AIR FORCE BASE, WA 99011-1102
PO BOX 1103, FAIRCHILD AIR FORCE BASE, WA 99011-1103
PO BOX 1104, FAIRCHILD AIR FORCE BASE, WA 99011-1104
PO BOX 1105, FAIRCHILD AIR FORCE BASE, WA 99011-1105
PO BOX 1106, FAIRCHILD AIR FORCE BASE, WA 99011-1106
PO BOX 1107, FAIRCHILD AIR FORCE BASE, WA 99011-1107
PO BOX 1108, FAIRCHILD AIR FORCE BASE, WA 99011-1108
PO BOX 1109, FAIRCHILD AIR FORCE BASE, WA 99011-1109
PO BOX 1110, FAIRCHILD AIR FORCE BASE, WA 99011-1110
PO BOX 1111, FAIRCHILD AIR FORCE BASE, WA 99011-1111
PO BOX 1112, FAIRCHILD AIR FORCE BASE, WA 99011-1112
PO BOX 1113, FAIRCHILD AIR FORCE BASE, WA 99011-1113
PO BOX 1114, FAIRCHILD AIR FORCE BASE, WA 99011-1114
PO BOX 1115, FAIRCHILD AIR FORCE BASE, WA 99011-1115
PO BOX 1116, FAIRCHILD AIR FORCE BASE, WA 99011-1116
PO BOX 1117, FAIRCHILD AIR FORCE BASE, WA 99011-1117
PO BOX 1118, FAIRCHILD AIR FORCE BASE, WA 99011-1118
PO BOX 1119, FAIRCHILD AIR FORCE BASE, WA 99011-1119
PO BOX 1120, FAIRCHILD AIR FORCE BASE, WA 99011-1120
Add new comment