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).

  • 3124561000 | +1 312-456-1000 Illinois U.S.A.
  • 3124561001 | +1 312-456-1001 Illinois U.S.A.
  • 3124561002 | +1 312-456-1002 Illinois U.S.A.
  • 3124561003 | +1 312-456-1003 Illinois U.S.A.
  • 3124561004 | +1 312-456-1004 Illinois U.S.A.
  • 3124561005 | +1 312-456-1005 Illinois U.S.A.
  • 3124561006 | +1 312-456-1006 Illinois U.S.A.
  • 3124561007 | +1 312-456-1007 Illinois U.S.A.
  • 3124561008 | +1 312-456-1008 Illinois U.S.A.
  • 3124561009 | +1 312-456-1009 Illinois U.S.A.
  • 3124561010 | +1 312-456-1010 Illinois U.S.A.
  • 3124561011 | +1 312-456-1011 Illinois U.S.A.
  • 3124561012 | +1 312-456-1012 Illinois U.S.A.
  • 3124561013 | +1 312-456-1013 Illinois U.S.A.
  • 3124561014 | +1 312-456-1014 Illinois U.S.A.
  • 3124561015 | +1 312-456-1015 Illinois U.S.A.
  • 3124561016 | +1 312-456-1016 Illinois U.S.A.
  • 3124561017 | +1 312-456-1017 Illinois U.S.A.
  • 3124561018 | +1 312-456-1018 Illinois U.S.A.
  • 3124561019 | +1 312-456-1019 Illinois U.S.A.
  • 3124561020 | +1 312-456-1020 Illinois U.S.A.
  • 3124561021 | +1 312-456-1021 Illinois U.S.A.
  • 3124561022 | +1 312-456-1022 Illinois U.S.A.
  • 3124561023 | +1 312-456-1023 Illinois U.S.A.
  • 3124561024 | +1 312-456-1024 Illinois U.S.A.
  • 3124561025 | +1 312-456-1025 Illinois U.S.A.
  • 3124561026 | +1 312-456-1026 Illinois U.S.A.
  • 3124561027 | +1 312-456-1027 Illinois U.S.A.
  • 3124561028 | +1 312-456-1028 Illinois U.S.A.
  • 3124561029 | +1 312-456-1029 Illinois U.S.A.
  • 3124561030 | +1 312-456-1030 Illinois U.S.A.
  • 3124561031 | +1 312-456-1031 Illinois U.S.A.
  • 3124561032 | +1 312-456-1032 Illinois U.S.A.
  • 3124561033 | +1 312-456-1033 Illinois U.S.A.
  • 3124561034 | +1 312-456-1034 Illinois U.S.A.
  • 3124561035 | +1 312-456-1035 Illinois U.S.A.
  • 3124561036 | +1 312-456-1036 Illinois U.S.A.
  • 3124561037 | +1 312-456-1037 Illinois U.S.A.
  • 3124561038 | +1 312-456-1038 Illinois U.S.A.
  • 3124561039 | +1 312-456-1039 Illinois U.S.A.
  • 3124561040 | +1 312-456-1040 Illinois U.S.A.
  • 3124561041 | +1 312-456-1041 Illinois U.S.A.
  • 3124561042 | +1 312-456-1042 Illinois U.S.A.
  • 3124561043 | +1 312-456-1043 Illinois U.S.A.
  • 3124561044 | +1 312-456-1044 Illinois U.S.A.
  • 3124561045 | +1 312-456-1045 Illinois U.S.A.
  • 3124561046 | +1 312-456-1046 Illinois U.S.A.
  • 3124561047 | +1 312-456-1047 Illinois U.S.A.
  • 3124561048 | +1 312-456-1048 Illinois U.S.A.
  • 3124561049 | +1 312-456-1049 Illinois U.S.A.
  • 3124561050 | +1 312-456-1050 Illinois U.S.A.
  • 3124561051 | +1 312-456-1051 Illinois U.S.A.
  • 3124561052 | +1 312-456-1052 Illinois U.S.A.
  • 3124561053 | +1 312-456-1053 Illinois U.S.A.
  • 3124561054 | +1 312-456-1054 Illinois U.S.A.
  • 3124561055 | +1 312-456-1055 Illinois U.S.A.
  • 3124561056 | +1 312-456-1056 Illinois U.S.A.
  • 3124561057 | +1 312-456-1057 Illinois U.S.A.
  • 3124561058 | +1 312-456-1058 Illinois U.S.A.
  • 3124561059 | +1 312-456-1059 Illinois U.S.A.
  • 3124561060 | +1 312-456-1060 Illinois U.S.A.
  • 3124561061 | +1 312-456-1061 Illinois U.S.A.
  • 3124561062 | +1 312-456-1062 Illinois U.S.A.
  • 3124561063 | +1 312-456-1063 Illinois U.S.A.
  • 3124561064 | +1 312-456-1064 Illinois U.S.A.
  • 3124561065 | +1 312-456-1065 Illinois U.S.A.
  • 3124561066 | +1 312-456-1066 Illinois U.S.A.
  • 3124561067 | +1 312-456-1067 Illinois U.S.A.
  • 3124561068 | +1 312-456-1068 Illinois U.S.A.
  • 3124561069 | +1 312-456-1069 Illinois U.S.A.
  • 3124561070 | +1 312-456-1070 Illinois U.S.A.
  • 3124561071 | +1 312-456-1071 Illinois U.S.A.
  • 3124561072 | +1 312-456-1072 Illinois U.S.A.
  • 3124561073 | +1 312-456-1073 Illinois U.S.A.
  • 3124561074 | +1 312-456-1074 Illinois U.S.A.
  • 3124561075 | +1 312-456-1075 Illinois U.S.A.
  • 3124561076 | +1 312-456-1076 Illinois U.S.A.
  • 3124561077 | +1 312-456-1077 Illinois U.S.A.
  • 3124561078 | +1 312-456-1078 Illinois U.S.A.
  • 3124561079 | +1 312-456-1079 Illinois U.S.A.
  • 3124561080 | +1 312-456-1080 Illinois U.S.A.
  • 3124561081 | +1 312-456-1081 Illinois U.S.A.
  • 3124561082 | +1 312-456-1082 Illinois U.S.A.
  • 3124561083 | +1 312-456-1083 Illinois U.S.A.
  • 3124561084 | +1 312-456-1084 Illinois U.S.A.
  • 3124561085 | +1 312-456-1085 Illinois U.S.A.
  • 3124561086 | +1 312-456-1086 Illinois U.S.A.
  • 3124561087 | +1 312-456-1087 Illinois U.S.A.
  • 3124561088 | +1 312-456-1088 Illinois U.S.A.
  • 3124561089 | +1 312-456-1089 Illinois U.S.A.
  • 3124561090 | +1 312-456-1090 Illinois U.S.A.
  • 3124561091 | +1 312-456-1091 Illinois U.S.A.
  • 3124561092 | +1 312-456-1092 Illinois U.S.A.
  • 3124561093 | +1 312-456-1093 Illinois U.S.A.
  • 3124561094 | +1 312-456-1094 Illinois U.S.A.
  • 3124561095 | +1 312-456-1095 Illinois U.S.A.
  • 3124561096 | +1 312-456-1096 Illinois U.S.A.
  • 3124561097 | +1 312-456-1097 Illinois U.S.A.
  • 3124561098 | +1 312-456-1098 Illinois U.S.A.
  • 3124561099 | +1 312-456-1099 Illinois U.S.A.