City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3124071000 | +1 312-407-1000 Illinois U.S.A.
  • 3124071001 | +1 312-407-1001 Illinois U.S.A.
  • 3124071002 | +1 312-407-1002 Illinois U.S.A.
  • 3124071003 | +1 312-407-1003 Illinois U.S.A.
  • 3124071004 | +1 312-407-1004 Illinois U.S.A.
  • 3124071005 | +1 312-407-1005 Illinois U.S.A.
  • 3124071006 | +1 312-407-1006 Illinois U.S.A.
  • 3124071007 | +1 312-407-1007 Illinois U.S.A.
  • 3124071008 | +1 312-407-1008 Illinois U.S.A.
  • 3124071009 | +1 312-407-1009 Illinois U.S.A.
  • 3124071010 | +1 312-407-1010 Illinois U.S.A.
  • 3124071011 | +1 312-407-1011 Illinois U.S.A.
  • 3124071012 | +1 312-407-1012 Illinois U.S.A.
  • 3124071013 | +1 312-407-1013 Illinois U.S.A.
  • 3124071014 | +1 312-407-1014 Illinois U.S.A.
  • 3124071015 | +1 312-407-1015 Illinois U.S.A.
  • 3124071016 | +1 312-407-1016 Illinois U.S.A.
  • 3124071017 | +1 312-407-1017 Illinois U.S.A.
  • 3124071018 | +1 312-407-1018 Illinois U.S.A.
  • 3124071019 | +1 312-407-1019 Illinois U.S.A.
  • 3124071020 | +1 312-407-1020 Illinois U.S.A.
  • 3124071021 | +1 312-407-1021 Illinois U.S.A.
  • 3124071022 | +1 312-407-1022 Illinois U.S.A.
  • 3124071023 | +1 312-407-1023 Illinois U.S.A.
  • 3124071024 | +1 312-407-1024 Illinois U.S.A.
  • 3124071025 | +1 312-407-1025 Illinois U.S.A.
  • 3124071026 | +1 312-407-1026 Illinois U.S.A.
  • 3124071027 | +1 312-407-1027 Illinois U.S.A.
  • 3124071028 | +1 312-407-1028 Illinois U.S.A.
  • 3124071029 | +1 312-407-1029 Illinois U.S.A.
  • 3124071030 | +1 312-407-1030 Illinois U.S.A.
  • 3124071031 | +1 312-407-1031 Illinois U.S.A.
  • 3124071032 | +1 312-407-1032 Illinois U.S.A.
  • 3124071033 | +1 312-407-1033 Illinois U.S.A.
  • 3124071034 | +1 312-407-1034 Illinois U.S.A.
  • 3124071035 | +1 312-407-1035 Illinois U.S.A.
  • 3124071036 | +1 312-407-1036 Illinois U.S.A.
  • 3124071037 | +1 312-407-1037 Illinois U.S.A.
  • 3124071038 | +1 312-407-1038 Illinois U.S.A.
  • 3124071039 | +1 312-407-1039 Illinois U.S.A.
  • 3124071040 | +1 312-407-1040 Illinois U.S.A.
  • 3124071041 | +1 312-407-1041 Illinois U.S.A.
  • 3124071042 | +1 312-407-1042 Illinois U.S.A.
  • 3124071043 | +1 312-407-1043 Illinois U.S.A.
  • 3124071044 | +1 312-407-1044 Illinois U.S.A.
  • 3124071045 | +1 312-407-1045 Illinois U.S.A.
  • 3124071046 | +1 312-407-1046 Illinois U.S.A.
  • 3124071047 | +1 312-407-1047 Illinois U.S.A.
  • 3124071048 | +1 312-407-1048 Illinois U.S.A.
  • 3124071049 | +1 312-407-1049 Illinois U.S.A.
  • 3124071050 | +1 312-407-1050 Illinois U.S.A.
  • 3124071051 | +1 312-407-1051 Illinois U.S.A.
  • 3124071052 | +1 312-407-1052 Illinois U.S.A.
  • 3124071053 | +1 312-407-1053 Illinois U.S.A.
  • 3124071054 | +1 312-407-1054 Illinois U.S.A.
  • 3124071055 | +1 312-407-1055 Illinois U.S.A.
  • 3124071056 | +1 312-407-1056 Illinois U.S.A.
  • 3124071057 | +1 312-407-1057 Illinois U.S.A.
  • 3124071058 | +1 312-407-1058 Illinois U.S.A.
  • 3124071059 | +1 312-407-1059 Illinois U.S.A.
  • 3124071060 | +1 312-407-1060 Illinois U.S.A.
  • 3124071061 | +1 312-407-1061 Illinois U.S.A.
  • 3124071062 | +1 312-407-1062 Illinois U.S.A.
  • 3124071063 | +1 312-407-1063 Illinois U.S.A.
  • 3124071064 | +1 312-407-1064 Illinois U.S.A.
  • 3124071065 | +1 312-407-1065 Illinois U.S.A.
  • 3124071066 | +1 312-407-1066 Illinois U.S.A.
  • 3124071067 | +1 312-407-1067 Illinois U.S.A.
  • 3124071068 | +1 312-407-1068 Illinois U.S.A.
  • 3124071069 | +1 312-407-1069 Illinois U.S.A.
  • 3124071070 | +1 312-407-1070 Illinois U.S.A.
  • 3124071071 | +1 312-407-1071 Illinois U.S.A.
  • 3124071072 | +1 312-407-1072 Illinois U.S.A.
  • 3124071073 | +1 312-407-1073 Illinois U.S.A.
  • 3124071074 | +1 312-407-1074 Illinois U.S.A.
  • 3124071075 | +1 312-407-1075 Illinois U.S.A.
  • 3124071076 | +1 312-407-1076 Illinois U.S.A.
  • 3124071077 | +1 312-407-1077 Illinois U.S.A.
  • 3124071078 | +1 312-407-1078 Illinois U.S.A.
  • 3124071079 | +1 312-407-1079 Illinois U.S.A.
  • 3124071080 | +1 312-407-1080 Illinois U.S.A.
  • 3124071081 | +1 312-407-1081 Illinois U.S.A.
  • 3124071082 | +1 312-407-1082 Illinois U.S.A.
  • 3124071083 | +1 312-407-1083 Illinois U.S.A.
  • 3124071084 | +1 312-407-1084 Illinois U.S.A.
  • 3124071085 | +1 312-407-1085 Illinois U.S.A.
  • 3124071086 | +1 312-407-1086 Illinois U.S.A.
  • 3124071087 | +1 312-407-1087 Illinois U.S.A.
  • 3124071088 | +1 312-407-1088 Illinois U.S.A.
  • 3124071089 | +1 312-407-1089 Illinois U.S.A.
  • 3124071090 | +1 312-407-1090 Illinois U.S.A.
  • 3124071091 | +1 312-407-1091 Illinois U.S.A.
  • 3124071092 | +1 312-407-1092 Illinois U.S.A.
  • 3124071093 | +1 312-407-1093 Illinois U.S.A.
  • 3124071094 | +1 312-407-1094 Illinois U.S.A.
  • 3124071095 | +1 312-407-1095 Illinois U.S.A.
  • 3124071096 | +1 312-407-1096 Illinois U.S.A.
  • 3124071097 | +1 312-407-1097 Illinois U.S.A.
  • 3124071098 | +1 312-407-1098 Illinois U.S.A.
  • 3124071099 | +1 312-407-1099 Illinois U.S.A.