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).

  • 3124431000 | +1 312-443-1000 Illinois U.S.A.
  • 3124431001 | +1 312-443-1001 Illinois U.S.A.
  • 3124431002 | +1 312-443-1002 Illinois U.S.A.
  • 3124431003 | +1 312-443-1003 Illinois U.S.A.
  • 3124431004 | +1 312-443-1004 Illinois U.S.A.
  • 3124431005 | +1 312-443-1005 Illinois U.S.A.
  • 3124431006 | +1 312-443-1006 Illinois U.S.A.
  • 3124431007 | +1 312-443-1007 Illinois U.S.A.
  • 3124431008 | +1 312-443-1008 Illinois U.S.A.
  • 3124431009 | +1 312-443-1009 Illinois U.S.A.
  • 3124431010 | +1 312-443-1010 Illinois U.S.A.
  • 3124431011 | +1 312-443-1011 Illinois U.S.A.
  • 3124431012 | +1 312-443-1012 Illinois U.S.A.
  • 3124431013 | +1 312-443-1013 Illinois U.S.A.
  • 3124431014 | +1 312-443-1014 Illinois U.S.A.
  • 3124431015 | +1 312-443-1015 Illinois U.S.A.
  • 3124431016 | +1 312-443-1016 Illinois U.S.A.
  • 3124431017 | +1 312-443-1017 Illinois U.S.A.
  • 3124431018 | +1 312-443-1018 Illinois U.S.A.
  • 3124431019 | +1 312-443-1019 Illinois U.S.A.
  • 3124431020 | +1 312-443-1020 Illinois U.S.A.
  • 3124431021 | +1 312-443-1021 Illinois U.S.A.
  • 3124431022 | +1 312-443-1022 Illinois U.S.A.
  • 3124431023 | +1 312-443-1023 Illinois U.S.A.
  • 3124431024 | +1 312-443-1024 Illinois U.S.A.
  • 3124431025 | +1 312-443-1025 Illinois U.S.A.
  • 3124431026 | +1 312-443-1026 Illinois U.S.A.
  • 3124431027 | +1 312-443-1027 Illinois U.S.A.
  • 3124431028 | +1 312-443-1028 Illinois U.S.A.
  • 3124431029 | +1 312-443-1029 Illinois U.S.A.
  • 3124431030 | +1 312-443-1030 Illinois U.S.A.
  • 3124431031 | +1 312-443-1031 Illinois U.S.A.
  • 3124431032 | +1 312-443-1032 Illinois U.S.A.
  • 3124431033 | +1 312-443-1033 Illinois U.S.A.
  • 3124431034 | +1 312-443-1034 Illinois U.S.A.
  • 3124431035 | +1 312-443-1035 Illinois U.S.A.
  • 3124431036 | +1 312-443-1036 Illinois U.S.A.
  • 3124431037 | +1 312-443-1037 Illinois U.S.A.
  • 3124431038 | +1 312-443-1038 Illinois U.S.A.
  • 3124431039 | +1 312-443-1039 Illinois U.S.A.
  • 3124431040 | +1 312-443-1040 Illinois U.S.A.
  • 3124431041 | +1 312-443-1041 Illinois U.S.A.
  • 3124431042 | +1 312-443-1042 Illinois U.S.A.
  • 3124431043 | +1 312-443-1043 Illinois U.S.A.
  • 3124431044 | +1 312-443-1044 Illinois U.S.A.
  • 3124431045 | +1 312-443-1045 Illinois U.S.A.
  • 3124431046 | +1 312-443-1046 Illinois U.S.A.
  • 3124431047 | +1 312-443-1047 Illinois U.S.A.
  • 3124431048 | +1 312-443-1048 Illinois U.S.A.
  • 3124431049 | +1 312-443-1049 Illinois U.S.A.
  • 3124431050 | +1 312-443-1050 Illinois U.S.A.
  • 3124431051 | +1 312-443-1051 Illinois U.S.A.
  • 3124431052 | +1 312-443-1052 Illinois U.S.A.
  • 3124431053 | +1 312-443-1053 Illinois U.S.A.
  • 3124431054 | +1 312-443-1054 Illinois U.S.A.
  • 3124431055 | +1 312-443-1055 Illinois U.S.A.
  • 3124431056 | +1 312-443-1056 Illinois U.S.A.
  • 3124431057 | +1 312-443-1057 Illinois U.S.A.
  • 3124431058 | +1 312-443-1058 Illinois U.S.A.
  • 3124431059 | +1 312-443-1059 Illinois U.S.A.
  • 3124431060 | +1 312-443-1060 Illinois U.S.A.
  • 3124431061 | +1 312-443-1061 Illinois U.S.A.
  • 3124431062 | +1 312-443-1062 Illinois U.S.A.
  • 3124431063 | +1 312-443-1063 Illinois U.S.A.
  • 3124431064 | +1 312-443-1064 Illinois U.S.A.
  • 3124431065 | +1 312-443-1065 Illinois U.S.A.
  • 3124431066 | +1 312-443-1066 Illinois U.S.A.
  • 3124431067 | +1 312-443-1067 Illinois U.S.A.
  • 3124431068 | +1 312-443-1068 Illinois U.S.A.
  • 3124431069 | +1 312-443-1069 Illinois U.S.A.
  • 3124431070 | +1 312-443-1070 Illinois U.S.A.
  • 3124431071 | +1 312-443-1071 Illinois U.S.A.
  • 3124431072 | +1 312-443-1072 Illinois U.S.A.
  • 3124431073 | +1 312-443-1073 Illinois U.S.A.
  • 3124431074 | +1 312-443-1074 Illinois U.S.A.
  • 3124431075 | +1 312-443-1075 Illinois U.S.A.
  • 3124431076 | +1 312-443-1076 Illinois U.S.A.
  • 3124431077 | +1 312-443-1077 Illinois U.S.A.
  • 3124431078 | +1 312-443-1078 Illinois U.S.A.
  • 3124431079 | +1 312-443-1079 Illinois U.S.A.
  • 3124431080 | +1 312-443-1080 Illinois U.S.A.
  • 3124431081 | +1 312-443-1081 Illinois U.S.A.
  • 3124431082 | +1 312-443-1082 Illinois U.S.A.
  • 3124431083 | +1 312-443-1083 Illinois U.S.A.
  • 3124431084 | +1 312-443-1084 Illinois U.S.A.
  • 3124431085 | +1 312-443-1085 Illinois U.S.A.
  • 3124431086 | +1 312-443-1086 Illinois U.S.A.
  • 3124431087 | +1 312-443-1087 Illinois U.S.A.
  • 3124431088 | +1 312-443-1088 Illinois U.S.A.
  • 3124431089 | +1 312-443-1089 Illinois U.S.A.
  • 3124431090 | +1 312-443-1090 Illinois U.S.A.
  • 3124431091 | +1 312-443-1091 Illinois U.S.A.
  • 3124431092 | +1 312-443-1092 Illinois U.S.A.
  • 3124431093 | +1 312-443-1093 Illinois U.S.A.
  • 3124431094 | +1 312-443-1094 Illinois U.S.A.
  • 3124431095 | +1 312-443-1095 Illinois U.S.A.
  • 3124431096 | +1 312-443-1096 Illinois U.S.A.
  • 3124431097 | +1 312-443-1097 Illinois U.S.A.
  • 3124431098 | +1 312-443-1098 Illinois U.S.A.
  • 3124431099 | +1 312-443-1099 Illinois U.S.A.