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).

  • 3123271000 | +1 312-327-1000 Illinois U.S.A.
  • 3123271001 | +1 312-327-1001 Illinois U.S.A.
  • 3123271002 | +1 312-327-1002 Illinois U.S.A.
  • 3123271003 | +1 312-327-1003 Illinois U.S.A.
  • 3123271004 | +1 312-327-1004 Illinois U.S.A.
  • 3123271005 | +1 312-327-1005 Illinois U.S.A.
  • 3123271006 | +1 312-327-1006 Illinois U.S.A.
  • 3123271007 | +1 312-327-1007 Illinois U.S.A.
  • 3123271008 | +1 312-327-1008 Illinois U.S.A.
  • 3123271009 | +1 312-327-1009 Illinois U.S.A.
  • 3123271010 | +1 312-327-1010 Illinois U.S.A.
  • 3123271011 | +1 312-327-1011 Illinois U.S.A.
  • 3123271012 | +1 312-327-1012 Illinois U.S.A.
  • 3123271013 | +1 312-327-1013 Illinois U.S.A.
  • 3123271014 | +1 312-327-1014 Illinois U.S.A.
  • 3123271015 | +1 312-327-1015 Illinois U.S.A.
  • 3123271016 | +1 312-327-1016 Illinois U.S.A.
  • 3123271017 | +1 312-327-1017 Illinois U.S.A.
  • 3123271018 | +1 312-327-1018 Illinois U.S.A.
  • 3123271019 | +1 312-327-1019 Illinois U.S.A.
  • 3123271020 | +1 312-327-1020 Illinois U.S.A.
  • 3123271021 | +1 312-327-1021 Illinois U.S.A.
  • 3123271022 | +1 312-327-1022 Illinois U.S.A.
  • 3123271023 | +1 312-327-1023 Illinois U.S.A.
  • 3123271024 | +1 312-327-1024 Illinois U.S.A.
  • 3123271025 | +1 312-327-1025 Illinois U.S.A.
  • 3123271026 | +1 312-327-1026 Illinois U.S.A.
  • 3123271027 | +1 312-327-1027 Illinois U.S.A.
  • 3123271028 | +1 312-327-1028 Illinois U.S.A.
  • 3123271029 | +1 312-327-1029 Illinois U.S.A.
  • 3123271030 | +1 312-327-1030 Illinois U.S.A.
  • 3123271031 | +1 312-327-1031 Illinois U.S.A.
  • 3123271032 | +1 312-327-1032 Illinois U.S.A.
  • 3123271033 | +1 312-327-1033 Illinois U.S.A.
  • 3123271034 | +1 312-327-1034 Illinois U.S.A.
  • 3123271035 | +1 312-327-1035 Illinois U.S.A.
  • 3123271036 | +1 312-327-1036 Illinois U.S.A.
  • 3123271037 | +1 312-327-1037 Illinois U.S.A.
  • 3123271038 | +1 312-327-1038 Illinois U.S.A.
  • 3123271039 | +1 312-327-1039 Illinois U.S.A.
  • 3123271040 | +1 312-327-1040 Illinois U.S.A.
  • 3123271041 | +1 312-327-1041 Illinois U.S.A.
  • 3123271042 | +1 312-327-1042 Illinois U.S.A.
  • 3123271043 | +1 312-327-1043 Illinois U.S.A.
  • 3123271044 | +1 312-327-1044 Illinois U.S.A.
  • 3123271045 | +1 312-327-1045 Illinois U.S.A.
  • 3123271046 | +1 312-327-1046 Illinois U.S.A.
  • 3123271047 | +1 312-327-1047 Illinois U.S.A.
  • 3123271048 | +1 312-327-1048 Illinois U.S.A.
  • 3123271049 | +1 312-327-1049 Illinois U.S.A.
  • 3123271050 | +1 312-327-1050 Illinois U.S.A.
  • 3123271051 | +1 312-327-1051 Illinois U.S.A.
  • 3123271052 | +1 312-327-1052 Illinois U.S.A.
  • 3123271053 | +1 312-327-1053 Illinois U.S.A.
  • 3123271054 | +1 312-327-1054 Illinois U.S.A.
  • 3123271055 | +1 312-327-1055 Illinois U.S.A.
  • 3123271056 | +1 312-327-1056 Illinois U.S.A.
  • 3123271057 | +1 312-327-1057 Illinois U.S.A.
  • 3123271058 | +1 312-327-1058 Illinois U.S.A.
  • 3123271059 | +1 312-327-1059 Illinois U.S.A.
  • 3123271060 | +1 312-327-1060 Illinois U.S.A.
  • 3123271061 | +1 312-327-1061 Illinois U.S.A.
  • 3123271062 | +1 312-327-1062 Illinois U.S.A.
  • 3123271063 | +1 312-327-1063 Illinois U.S.A.
  • 3123271064 | +1 312-327-1064 Illinois U.S.A.
  • 3123271065 | +1 312-327-1065 Illinois U.S.A.
  • 3123271066 | +1 312-327-1066 Illinois U.S.A.
  • 3123271067 | +1 312-327-1067 Illinois U.S.A.
  • 3123271068 | +1 312-327-1068 Illinois U.S.A.
  • 3123271069 | +1 312-327-1069 Illinois U.S.A.
  • 3123271070 | +1 312-327-1070 Illinois U.S.A.
  • 3123271071 | +1 312-327-1071 Illinois U.S.A.
  • 3123271072 | +1 312-327-1072 Illinois U.S.A.
  • 3123271073 | +1 312-327-1073 Illinois U.S.A.
  • 3123271074 | +1 312-327-1074 Illinois U.S.A.
  • 3123271075 | +1 312-327-1075 Illinois U.S.A.
  • 3123271076 | +1 312-327-1076 Illinois U.S.A.
  • 3123271077 | +1 312-327-1077 Illinois U.S.A.
  • 3123271078 | +1 312-327-1078 Illinois U.S.A.
  • 3123271079 | +1 312-327-1079 Illinois U.S.A.
  • 3123271080 | +1 312-327-1080 Illinois U.S.A.
  • 3123271081 | +1 312-327-1081 Illinois U.S.A.
  • 3123271082 | +1 312-327-1082 Illinois U.S.A.
  • 3123271083 | +1 312-327-1083 Illinois U.S.A.
  • 3123271084 | +1 312-327-1084 Illinois U.S.A.
  • 3123271085 | +1 312-327-1085 Illinois U.S.A.
  • 3123271086 | +1 312-327-1086 Illinois U.S.A.
  • 3123271087 | +1 312-327-1087 Illinois U.S.A.
  • 3123271088 | +1 312-327-1088 Illinois U.S.A.
  • 3123271089 | +1 312-327-1089 Illinois U.S.A.
  • 3123271090 | +1 312-327-1090 Illinois U.S.A.
  • 3123271091 | +1 312-327-1091 Illinois U.S.A.
  • 3123271092 | +1 312-327-1092 Illinois U.S.A.
  • 3123271093 | +1 312-327-1093 Illinois U.S.A.
  • 3123271094 | +1 312-327-1094 Illinois U.S.A.
  • 3123271095 | +1 312-327-1095 Illinois U.S.A.
  • 3123271096 | +1 312-327-1096 Illinois U.S.A.
  • 3123271097 | +1 312-327-1097 Illinois U.S.A.
  • 3123271098 | +1 312-327-1098 Illinois U.S.A.
  • 3123271099 | +1 312-327-1099 Illinois U.S.A.