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 961, TOLLAND, CT 06084-0961
PO BOX 962, TOLLAND, CT 06084-0962
PO BOX 963, TOLLAND, CT 06084-0963
PO BOX 964, TOLLAND, CT 06084-0964
PO BOX 965, TOLLAND, CT 06084-0965
PO BOX 966, TOLLAND, CT 06084-0966
PO BOX 967, TOLLAND, CT 06084-0967
PO BOX 968, TOLLAND, CT 06084-0968
PO BOX 969, TOLLAND, CT 06084-0969
PO BOX 970, TOLLAND, CT 06084-0970
PO BOX 971, TOLLAND, CT 06084-0971
PO BOX 972, TOLLAND, CT 06084-0972
PO BOX 973, TOLLAND, CT 06084-0973
PO BOX 974, TOLLAND, CT 06084-0974
PO BOX 975, TOLLAND, CT 06084-0975
PO BOX 976, TOLLAND, CT 06084-0976
PO BOX 977, TOLLAND, CT 06084-0977
PO BOX 978, TOLLAND, CT 06084-0978
PO BOX 979, TOLLAND, CT 06084-0979
PO BOX 980, TOLLAND, CT 06084-0980
PO BOX 981, TOLLAND, CT 06084-0981
PO BOX 982, TOLLAND, CT 06084-0982
PO BOX 983, TOLLAND, CT 06084-0983
PO BOX 984, TOLLAND, CT 06084-0984
PO BOX 985, TOLLAND, CT 06084-0985
PO BOX 986, TOLLAND, CT 06084-0986
PO BOX 987, TOLLAND, CT 06084-0987
PO BOX 988, TOLLAND, CT 06084-0988
PO BOX 989, TOLLAND, CT 06084-0989
PO BOX 990, TOLLAND, CT 06084-0990
PO BOX 991, TOLLAND, CT 06084-0991
PO BOX 992, TOLLAND, CT 06084-0992
PO BOX 993, TOLLAND, CT 06084-0993
PO BOX 994, TOLLAND, CT 06084-0994
PO BOX 995, TOLLAND, CT 06084-0995
PO BOX 996, TOLLAND, CT 06084-0996
PO BOX 997, TOLLAND, CT 06084-0997
PO BOX 998, TOLLAND, CT 06084-0998
PO BOX 999, TOLLAND, CT 06084-0999
PO BOX 1000, TOLLAND, CT 06084-1000
PO BOX 1001, TOLLAND, CT 06084-1001
PO BOX 1002, TOLLAND, CT 06084-1002
PO BOX 1003, TOLLAND, CT 06084-1003
PO BOX 1004, TOLLAND, CT 06084-1004
PO BOX 1005, TOLLAND, CT 06084-1005
PO BOX 1006, TOLLAND, CT 06084-1006
PO BOX 1007, TOLLAND, CT 06084-1007
PO BOX 1008, TOLLAND, CT 06084-1008
PO BOX 1009, TOLLAND, CT 06084-1009
PO BOX 1010, TOLLAND, CT 06084-1010
PO BOX 1011, TOLLAND, CT 06084-1011
PO BOX 1012, TOLLAND, CT 06084-1012
PO BOX 1013, TOLLAND, CT 06084-1013
PO BOX 1014, TOLLAND, CT 06084-1014
PO BOX 1015, TOLLAND, CT 06084-1015
PO BOX 1016, TOLLAND, CT 06084-1016
PO BOX 1017, TOLLAND, CT 06084-1017
PO BOX 1018, TOLLAND, CT 06084-1018
PO BOX 1019, TOLLAND, CT 06084-1019
PO BOX 1020, TOLLAND, CT 06084-1020
PO BOX 1021, TOLLAND, CT 06084-1021
PO BOX 1022, TOLLAND, CT 06084-1022
PO BOX 1023, TOLLAND, CT 06084-1023
PO BOX 1024, TOLLAND, CT 06084-1024
PO BOX 1025, TOLLAND, CT 06084-1025
PO BOX 1026, TOLLAND, CT 06084-1026
PO BOX 1027, TOLLAND, CT 06084-1027
PO BOX 1028, TOLLAND, CT 06084-1028
PO BOX 1029, TOLLAND, CT 06084-1029
PO BOX 1030, TOLLAND, CT 06084-1030
PO BOX 1031, TOLLAND, CT 06084-1031
PO BOX 1032, TOLLAND, CT 06084-1032
PO BOX 1033, TOLLAND, CT 06084-1033
PO BOX 1034, TOLLAND, CT 06084-1034
PO BOX 1035, TOLLAND, CT 06084-1035
PO BOX 1036, TOLLAND, CT 06084-1036
PO BOX 1037, TOLLAND, CT 06084-1037
PO BOX 1038, TOLLAND, CT 06084-1038
PO BOX 1039, TOLLAND, CT 06084-1039
PO BOX 1040, TOLLAND, CT 06084-1040
PO BOX 1041, TOLLAND, CT 06084-1041
PO BOX 1042, TOLLAND, CT 06084-1042
PO BOX 1043, TOLLAND, CT 06084-1043
PO BOX 1044, TOLLAND, CT 06084-1044
PO BOX 1045, TOLLAND, CT 06084-1045
PO BOX 1046, TOLLAND, CT 06084-1046
PO BOX 1047, TOLLAND, CT 06084-1047
PO BOX 1048, TOLLAND, CT 06084-1048
PO BOX 1049, TOLLAND, CT 06084-1049
PO BOX 1050, TOLLAND, CT 06084-1050
PO BOX 1051, TOLLAND, CT 06084-1051
PO BOX 1052, TOLLAND, CT 06084-1052
PO BOX 1053, TOLLAND, CT 06084-1053
PO BOX 1054, TOLLAND, CT 06084-1054
PO BOX 1055, TOLLAND, CT 06084-1055
PO BOX 1056, TOLLAND, CT 06084-1056
PO BOX 1057, TOLLAND, CT 06084-1057
PO BOX 1058, TOLLAND, CT 06084-1058
PO BOX 1059, TOLLAND, CT 06084-1059
PO BOX 1060, TOLLAND, CT 06084-1060
PO BOX 1061, TOLLAND, CT 06084-1061
PO BOX 1062, TOLLAND, CT 06084-1062
PO BOX 1063, TOLLAND, CT 06084-1063
PO BOX 1064, TOLLAND, CT 06084-1064
PO BOX 1065, TOLLAND, CT 06084-1065
PO BOX 1066, TOLLAND, CT 06084-1066
PO BOX 1067, TOLLAND, CT 06084-1067
PO BOX 1068, TOLLAND, CT 06084-1068
PO BOX 1069, TOLLAND, CT 06084-1069
PO BOX 1070, TOLLAND, CT 06084-1070
PO BOX 1071, TOLLAND, CT 06084-1071
PO BOX 1072, TOLLAND, CT 06084-1072
PO BOX 1073, TOLLAND, CT 06084-1073
PO BOX 1074, TOLLAND, CT 06084-1074
PO BOX 1075, TOLLAND, CT 06084-1075
PO BOX 1076, TOLLAND, CT 06084-1076
PO BOX 1077, TOLLAND, CT 06084-1077
PO BOX 1078, TOLLAND, CT 06084-1078
PO BOX 1079, TOLLAND, CT 06084-1079
PO BOX 1080, TOLLAND, CT 06084-1080
PO BOX 1081, TOLLAND, CT 06084-1081
PO BOX 1082, TOLLAND, CT 06084-1082
PO BOX 1083, TOLLAND, CT 06084-1083
PO BOX 1084, TOLLAND, CT 06084-1084
PO BOX 1085, TOLLAND, CT 06084-1085
PO BOX 1086, TOLLAND, CT 06084-1086
PO BOX 1087, TOLLAND, CT 06084-1087
PO BOX 1088, TOLLAND, CT 06084-1088
PO BOX 1089, TOLLAND, CT 06084-1089
PO BOX 1090, TOLLAND, CT 06084-1090
PO BOX 1091, TOLLAND, CT 06084-1091
PO BOX 1092, TOLLAND, CT 06084-1092
PO BOX 1093, TOLLAND, CT 06084-1093
PO BOX 1094, TOLLAND, CT 06084-1094
PO BOX 1095, TOLLAND, CT 06084-1095
PO BOX 1096, TOLLAND, CT 06084-1096
PO BOX 1097, TOLLAND, CT 06084-1097
PO BOX 1098, TOLLAND, CT 06084-1098
PO BOX 1099, TOLLAND, CT 06084-1099
PO BOX 1100, TOLLAND, CT 06084-1100
PO BOX 1101, TOLLAND, CT 06084-1101
PO BOX 1102, TOLLAND, CT 06084-1102
PO BOX 1103, TOLLAND, CT 06084-1103
PO BOX 1104, TOLLAND, CT 06084-1104
PO BOX 1105, TOLLAND, CT 06084-1105
PO BOX 1106, TOLLAND, CT 06084-1106
PO BOX 1107, TOLLAND, CT 06084-1107
PO BOX 1108, TOLLAND, CT 06084-1108
PO BOX 1109, TOLLAND, CT 06084-1109
PO BOX 1110, TOLLAND, CT 06084-1110
PO BOX 1111, TOLLAND, CT 06084-1111
PO BOX 1112, TOLLAND, CT 06084-1112
PO BOX 1113, TOLLAND, CT 06084-1113
PO BOX 1114, TOLLAND, CT 06084-1114
PO BOX 1115, TOLLAND, CT 06084-1115
PO BOX 1116, TOLLAND, CT 06084-1116
PO BOX 1117, TOLLAND, CT 06084-1117
PO BOX 1118, TOLLAND, CT 06084-1118
PO BOX 1119, TOLLAND, CT 06084-1119
PO BOX 1120, TOLLAND, CT 06084-1120
PO BOX 1121, TOLLAND, CT 06084-1121
PO BOX 1122, TOLLAND, CT 06084-1122
PO BOX 1123, TOLLAND, CT 06084-1123
PO BOX 1124, TOLLAND, CT 06084-1124
PO BOX 1125, TOLLAND, CT 06084-1125
PO BOX 1126, TOLLAND, CT 06084-1126
PO BOX 1127, TOLLAND, CT 06084-1127
PO BOX 1128, TOLLAND, CT 06084-1128
PO BOX 1129, TOLLAND, CT 06084-1129
PO BOX 1130, TOLLAND, CT 06084-1130
PO BOX 1131, TOLLAND, CT 06084-1131
PO BOX 1132, TOLLAND, CT 06084-1132
PO BOX 1133, TOLLAND, CT 06084-1133
PO BOX 1134, TOLLAND, CT 06084-1134
PO BOX 1135, TOLLAND, CT 06084-1135
PO BOX 1136, TOLLAND, CT 06084-1136
PO BOX 1137, TOLLAND, CT 06084-1137
PO BOX 1138, TOLLAND, CT 06084-1138
PO BOX 1139, TOLLAND, CT 06084-1139
PO BOX 1140, TOLLAND, CT 06084-1140
PO BOX 1141, TOLLAND, CT 06084-1141
PO BOX 1142, TOLLAND, CT 06084-1142
PO BOX 1143, TOLLAND, CT 06084-1143
PO BOX 1144, TOLLAND, CT 06084-1144
PO BOX 1145, TOLLAND, CT 06084-1145
PO BOX 1146, TOLLAND, CT 06084-1146
PO BOX 1147, TOLLAND, CT 06084-1147
PO BOX 1148, TOLLAND, CT 06084-1148
PO BOX 1149, TOLLAND, CT 06084-1149
PO BOX 1150, TOLLAND, CT 06084-1150
PO BOX 1151, TOLLAND, CT 06084-1151
PO BOX 1152, TOLLAND, CT 06084-1152
PO BOX 1153, TOLLAND, CT 06084-1153
PO BOX 1154, TOLLAND, CT 06084-1154
PO BOX 1155, TOLLAND, CT 06084-1155
PO BOX 1156, TOLLAND, CT 06084-1156
PO BOX 1157, TOLLAND, CT 06084-1157
PO BOX 1158, TOLLAND, CT 06084-1158
PO BOX 1159, TOLLAND, CT 06084-1159
PO BOX 1160, TOLLAND, CT 06084-1160
PO BOX 1161, TOLLAND, CT 06084-1161
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