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).

  • 3128321000 | +1 312-832-1000 Illinois U.S.A.
  • 3128321001 | +1 312-832-1001 Illinois U.S.A.
  • 3128321002 | +1 312-832-1002 Illinois U.S.A.
  • 3128321003 | +1 312-832-1003 Illinois U.S.A.
  • 3128321004 | +1 312-832-1004 Illinois U.S.A.
  • 3128321005 | +1 312-832-1005 Illinois U.S.A.
  • 3128321006 | +1 312-832-1006 Illinois U.S.A.
  • 3128321007 | +1 312-832-1007 Illinois U.S.A.
  • 3128321008 | +1 312-832-1008 Illinois U.S.A.
  • 3128321009 | +1 312-832-1009 Illinois U.S.A.
  • 3128321010 | +1 312-832-1010 Illinois U.S.A.
  • 3128321011 | +1 312-832-1011 Illinois U.S.A.
  • 3128321012 | +1 312-832-1012 Illinois U.S.A.
  • 3128321013 | +1 312-832-1013 Illinois U.S.A.
  • 3128321014 | +1 312-832-1014 Illinois U.S.A.
  • 3128321015 | +1 312-832-1015 Illinois U.S.A.
  • 3128321016 | +1 312-832-1016 Illinois U.S.A.
  • 3128321017 | +1 312-832-1017 Illinois U.S.A.
  • 3128321018 | +1 312-832-1018 Illinois U.S.A.
  • 3128321019 | +1 312-832-1019 Illinois U.S.A.
  • 3128321020 | +1 312-832-1020 Illinois U.S.A.
  • 3128321021 | +1 312-832-1021 Illinois U.S.A.
  • 3128321022 | +1 312-832-1022 Illinois U.S.A.
  • 3128321023 | +1 312-832-1023 Illinois U.S.A.
  • 3128321024 | +1 312-832-1024 Illinois U.S.A.
  • 3128321025 | +1 312-832-1025 Illinois U.S.A.
  • 3128321026 | +1 312-832-1026 Illinois U.S.A.
  • 3128321027 | +1 312-832-1027 Illinois U.S.A.
  • 3128321028 | +1 312-832-1028 Illinois U.S.A.
  • 3128321029 | +1 312-832-1029 Illinois U.S.A.
  • 3128321030 | +1 312-832-1030 Illinois U.S.A.
  • 3128321031 | +1 312-832-1031 Illinois U.S.A.
  • 3128321032 | +1 312-832-1032 Illinois U.S.A.
  • 3128321033 | +1 312-832-1033 Illinois U.S.A.
  • 3128321034 | +1 312-832-1034 Illinois U.S.A.
  • 3128321035 | +1 312-832-1035 Illinois U.S.A.
  • 3128321036 | +1 312-832-1036 Illinois U.S.A.
  • 3128321037 | +1 312-832-1037 Illinois U.S.A.
  • 3128321038 | +1 312-832-1038 Illinois U.S.A.
  • 3128321039 | +1 312-832-1039 Illinois U.S.A.
  • 3128321040 | +1 312-832-1040 Illinois U.S.A.
  • 3128321041 | +1 312-832-1041 Illinois U.S.A.
  • 3128321042 | +1 312-832-1042 Illinois U.S.A.
  • 3128321043 | +1 312-832-1043 Illinois U.S.A.
  • 3128321044 | +1 312-832-1044 Illinois U.S.A.
  • 3128321045 | +1 312-832-1045 Illinois U.S.A.
  • 3128321046 | +1 312-832-1046 Illinois U.S.A.
  • 3128321047 | +1 312-832-1047 Illinois U.S.A.
  • 3128321048 | +1 312-832-1048 Illinois U.S.A.
  • 3128321049 | +1 312-832-1049 Illinois U.S.A.
  • 3128321050 | +1 312-832-1050 Illinois U.S.A.
  • 3128321051 | +1 312-832-1051 Illinois U.S.A.
  • 3128321052 | +1 312-832-1052 Illinois U.S.A.
  • 3128321053 | +1 312-832-1053 Illinois U.S.A.
  • 3128321054 | +1 312-832-1054 Illinois U.S.A.
  • 3128321055 | +1 312-832-1055 Illinois U.S.A.
  • 3128321056 | +1 312-832-1056 Illinois U.S.A.
  • 3128321057 | +1 312-832-1057 Illinois U.S.A.
  • 3128321058 | +1 312-832-1058 Illinois U.S.A.
  • 3128321059 | +1 312-832-1059 Illinois U.S.A.
  • 3128321060 | +1 312-832-1060 Illinois U.S.A.
  • 3128321061 | +1 312-832-1061 Illinois U.S.A.
  • 3128321062 | +1 312-832-1062 Illinois U.S.A.
  • 3128321063 | +1 312-832-1063 Illinois U.S.A.
  • 3128321064 | +1 312-832-1064 Illinois U.S.A.
  • 3128321065 | +1 312-832-1065 Illinois U.S.A.
  • 3128321066 | +1 312-832-1066 Illinois U.S.A.
  • 3128321067 | +1 312-832-1067 Illinois U.S.A.
  • 3128321068 | +1 312-832-1068 Illinois U.S.A.
  • 3128321069 | +1 312-832-1069 Illinois U.S.A.
  • 3128321070 | +1 312-832-1070 Illinois U.S.A.
  • 3128321071 | +1 312-832-1071 Illinois U.S.A.
  • 3128321072 | +1 312-832-1072 Illinois U.S.A.
  • 3128321073 | +1 312-832-1073 Illinois U.S.A.
  • 3128321074 | +1 312-832-1074 Illinois U.S.A.
  • 3128321075 | +1 312-832-1075 Illinois U.S.A.
  • 3128321076 | +1 312-832-1076 Illinois U.S.A.
  • 3128321077 | +1 312-832-1077 Illinois U.S.A.
  • 3128321078 | +1 312-832-1078 Illinois U.S.A.
  • 3128321079 | +1 312-832-1079 Illinois U.S.A.
  • 3128321080 | +1 312-832-1080 Illinois U.S.A.
  • 3128321081 | +1 312-832-1081 Illinois U.S.A.
  • 3128321082 | +1 312-832-1082 Illinois U.S.A.
  • 3128321083 | +1 312-832-1083 Illinois U.S.A.
  • 3128321084 | +1 312-832-1084 Illinois U.S.A.
  • 3128321085 | +1 312-832-1085 Illinois U.S.A.
  • 3128321086 | +1 312-832-1086 Illinois U.S.A.
  • 3128321087 | +1 312-832-1087 Illinois U.S.A.
  • 3128321088 | +1 312-832-1088 Illinois U.S.A.
  • 3128321089 | +1 312-832-1089 Illinois U.S.A.
  • 3128321090 | +1 312-832-1090 Illinois U.S.A.
  • 3128321091 | +1 312-832-1091 Illinois U.S.A.
  • 3128321092 | +1 312-832-1092 Illinois U.S.A.
  • 3128321093 | +1 312-832-1093 Illinois U.S.A.
  • 3128321094 | +1 312-832-1094 Illinois U.S.A.
  • 3128321095 | +1 312-832-1095 Illinois U.S.A.
  • 3128321096 | +1 312-832-1096 Illinois U.S.A.
  • 3128321097 | +1 312-832-1097 Illinois U.S.A.
  • 3128321098 | +1 312-832-1098 Illinois U.S.A.
  • 3128321099 | +1 312-832-1099 Illinois U.S.A.