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).

  • 3123551000 | +1 312-355-1000 Illinois U.S.A.
  • 3123551001 | +1 312-355-1001 Illinois U.S.A.
  • 3123551002 | +1 312-355-1002 Illinois U.S.A.
  • 3123551003 | +1 312-355-1003 Illinois U.S.A.
  • 3123551004 | +1 312-355-1004 Illinois U.S.A.
  • 3123551005 | +1 312-355-1005 Illinois U.S.A.
  • 3123551006 | +1 312-355-1006 Illinois U.S.A.
  • 3123551007 | +1 312-355-1007 Illinois U.S.A.
  • 3123551008 | +1 312-355-1008 Illinois U.S.A.
  • 3123551009 | +1 312-355-1009 Illinois U.S.A.
  • 3123551010 | +1 312-355-1010 Illinois U.S.A.
  • 3123551011 | +1 312-355-1011 Illinois U.S.A.
  • 3123551012 | +1 312-355-1012 Illinois U.S.A.
  • 3123551013 | +1 312-355-1013 Illinois U.S.A.
  • 3123551014 | +1 312-355-1014 Illinois U.S.A.
  • 3123551015 | +1 312-355-1015 Illinois U.S.A.
  • 3123551016 | +1 312-355-1016 Illinois U.S.A.
  • 3123551017 | +1 312-355-1017 Illinois U.S.A.
  • 3123551018 | +1 312-355-1018 Illinois U.S.A.
  • 3123551019 | +1 312-355-1019 Illinois U.S.A.
  • 3123551020 | +1 312-355-1020 Illinois U.S.A.
  • 3123551021 | +1 312-355-1021 Illinois U.S.A.
  • 3123551022 | +1 312-355-1022 Illinois U.S.A.
  • 3123551023 | +1 312-355-1023 Illinois U.S.A.
  • 3123551024 | +1 312-355-1024 Illinois U.S.A.
  • 3123551025 | +1 312-355-1025 Illinois U.S.A.
  • 3123551026 | +1 312-355-1026 Illinois U.S.A.
  • 3123551027 | +1 312-355-1027 Illinois U.S.A.
  • 3123551028 | +1 312-355-1028 Illinois U.S.A.
  • 3123551029 | +1 312-355-1029 Illinois U.S.A.
  • 3123551030 | +1 312-355-1030 Illinois U.S.A.
  • 3123551031 | +1 312-355-1031 Illinois U.S.A.
  • 3123551032 | +1 312-355-1032 Illinois U.S.A.
  • 3123551033 | +1 312-355-1033 Illinois U.S.A.
  • 3123551034 | +1 312-355-1034 Illinois U.S.A.
  • 3123551035 | +1 312-355-1035 Illinois U.S.A.
  • 3123551036 | +1 312-355-1036 Illinois U.S.A.
  • 3123551037 | +1 312-355-1037 Illinois U.S.A.
  • 3123551038 | +1 312-355-1038 Illinois U.S.A.
  • 3123551039 | +1 312-355-1039 Illinois U.S.A.
  • 3123551040 | +1 312-355-1040 Illinois U.S.A.
  • 3123551041 | +1 312-355-1041 Illinois U.S.A.
  • 3123551042 | +1 312-355-1042 Illinois U.S.A.
  • 3123551043 | +1 312-355-1043 Illinois U.S.A.
  • 3123551044 | +1 312-355-1044 Illinois U.S.A.
  • 3123551045 | +1 312-355-1045 Illinois U.S.A.
  • 3123551046 | +1 312-355-1046 Illinois U.S.A.
  • 3123551047 | +1 312-355-1047 Illinois U.S.A.
  • 3123551048 | +1 312-355-1048 Illinois U.S.A.
  • 3123551049 | +1 312-355-1049 Illinois U.S.A.
  • 3123551050 | +1 312-355-1050 Illinois U.S.A.
  • 3123551051 | +1 312-355-1051 Illinois U.S.A.
  • 3123551052 | +1 312-355-1052 Illinois U.S.A.
  • 3123551053 | +1 312-355-1053 Illinois U.S.A.
  • 3123551054 | +1 312-355-1054 Illinois U.S.A.
  • 3123551055 | +1 312-355-1055 Illinois U.S.A.
  • 3123551056 | +1 312-355-1056 Illinois U.S.A.
  • 3123551057 | +1 312-355-1057 Illinois U.S.A.
  • 3123551058 | +1 312-355-1058 Illinois U.S.A.
  • 3123551059 | +1 312-355-1059 Illinois U.S.A.
  • 3123551060 | +1 312-355-1060 Illinois U.S.A.
  • 3123551061 | +1 312-355-1061 Illinois U.S.A.
  • 3123551062 | +1 312-355-1062 Illinois U.S.A.
  • 3123551063 | +1 312-355-1063 Illinois U.S.A.
  • 3123551064 | +1 312-355-1064 Illinois U.S.A.
  • 3123551065 | +1 312-355-1065 Illinois U.S.A.
  • 3123551066 | +1 312-355-1066 Illinois U.S.A.
  • 3123551067 | +1 312-355-1067 Illinois U.S.A.
  • 3123551068 | +1 312-355-1068 Illinois U.S.A.
  • 3123551069 | +1 312-355-1069 Illinois U.S.A.
  • 3123551070 | +1 312-355-1070 Illinois U.S.A.
  • 3123551071 | +1 312-355-1071 Illinois U.S.A.
  • 3123551072 | +1 312-355-1072 Illinois U.S.A.
  • 3123551073 | +1 312-355-1073 Illinois U.S.A.
  • 3123551074 | +1 312-355-1074 Illinois U.S.A.
  • 3123551075 | +1 312-355-1075 Illinois U.S.A.
  • 3123551076 | +1 312-355-1076 Illinois U.S.A.
  • 3123551077 | +1 312-355-1077 Illinois U.S.A.
  • 3123551078 | +1 312-355-1078 Illinois U.S.A.
  • 3123551079 | +1 312-355-1079 Illinois U.S.A.
  • 3123551080 | +1 312-355-1080 Illinois U.S.A.
  • 3123551081 | +1 312-355-1081 Illinois U.S.A.
  • 3123551082 | +1 312-355-1082 Illinois U.S.A.
  • 3123551083 | +1 312-355-1083 Illinois U.S.A.
  • 3123551084 | +1 312-355-1084 Illinois U.S.A.
  • 3123551085 | +1 312-355-1085 Illinois U.S.A.
  • 3123551086 | +1 312-355-1086 Illinois U.S.A.
  • 3123551087 | +1 312-355-1087 Illinois U.S.A.
  • 3123551088 | +1 312-355-1088 Illinois U.S.A.
  • 3123551089 | +1 312-355-1089 Illinois U.S.A.
  • 3123551090 | +1 312-355-1090 Illinois U.S.A.
  • 3123551091 | +1 312-355-1091 Illinois U.S.A.
  • 3123551092 | +1 312-355-1092 Illinois U.S.A.
  • 3123551093 | +1 312-355-1093 Illinois U.S.A.
  • 3123551094 | +1 312-355-1094 Illinois U.S.A.
  • 3123551095 | +1 312-355-1095 Illinois U.S.A.
  • 3123551096 | +1 312-355-1096 Illinois U.S.A.
  • 3123551097 | +1 312-355-1097 Illinois U.S.A.
  • 3123551098 | +1 312-355-1098 Illinois U.S.A.
  • 3123551099 | +1 312-355-1099 Illinois U.S.A.