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).

  • 3123801000 | +1 312-380-1000 Illinois U.S.A.
  • 3123801001 | +1 312-380-1001 Illinois U.S.A.
  • 3123801002 | +1 312-380-1002 Illinois U.S.A.
  • 3123801003 | +1 312-380-1003 Illinois U.S.A.
  • 3123801004 | +1 312-380-1004 Illinois U.S.A.
  • 3123801005 | +1 312-380-1005 Illinois U.S.A.
  • 3123801006 | +1 312-380-1006 Illinois U.S.A.
  • 3123801007 | +1 312-380-1007 Illinois U.S.A.
  • 3123801008 | +1 312-380-1008 Illinois U.S.A.
  • 3123801009 | +1 312-380-1009 Illinois U.S.A.
  • 3123801010 | +1 312-380-1010 Illinois U.S.A.
  • 3123801011 | +1 312-380-1011 Illinois U.S.A.
  • 3123801012 | +1 312-380-1012 Illinois U.S.A.
  • 3123801013 | +1 312-380-1013 Illinois U.S.A.
  • 3123801014 | +1 312-380-1014 Illinois U.S.A.
  • 3123801015 | +1 312-380-1015 Illinois U.S.A.
  • 3123801016 | +1 312-380-1016 Illinois U.S.A.
  • 3123801017 | +1 312-380-1017 Illinois U.S.A.
  • 3123801018 | +1 312-380-1018 Illinois U.S.A.
  • 3123801019 | +1 312-380-1019 Illinois U.S.A.
  • 3123801020 | +1 312-380-1020 Illinois U.S.A.
  • 3123801021 | +1 312-380-1021 Illinois U.S.A.
  • 3123801022 | +1 312-380-1022 Illinois U.S.A.
  • 3123801023 | +1 312-380-1023 Illinois U.S.A.
  • 3123801024 | +1 312-380-1024 Illinois U.S.A.
  • 3123801025 | +1 312-380-1025 Illinois U.S.A.
  • 3123801026 | +1 312-380-1026 Illinois U.S.A.
  • 3123801027 | +1 312-380-1027 Illinois U.S.A.
  • 3123801028 | +1 312-380-1028 Illinois U.S.A.
  • 3123801029 | +1 312-380-1029 Illinois U.S.A.
  • 3123801030 | +1 312-380-1030 Illinois U.S.A.
  • 3123801031 | +1 312-380-1031 Illinois U.S.A.
  • 3123801032 | +1 312-380-1032 Illinois U.S.A.
  • 3123801033 | +1 312-380-1033 Illinois U.S.A.
  • 3123801034 | +1 312-380-1034 Illinois U.S.A.
  • 3123801035 | +1 312-380-1035 Illinois U.S.A.
  • 3123801036 | +1 312-380-1036 Illinois U.S.A.
  • 3123801037 | +1 312-380-1037 Illinois U.S.A.
  • 3123801038 | +1 312-380-1038 Illinois U.S.A.
  • 3123801039 | +1 312-380-1039 Illinois U.S.A.
  • 3123801040 | +1 312-380-1040 Illinois U.S.A.
  • 3123801041 | +1 312-380-1041 Illinois U.S.A.
  • 3123801042 | +1 312-380-1042 Illinois U.S.A.
  • 3123801043 | +1 312-380-1043 Illinois U.S.A.
  • 3123801044 | +1 312-380-1044 Illinois U.S.A.
  • 3123801045 | +1 312-380-1045 Illinois U.S.A.
  • 3123801046 | +1 312-380-1046 Illinois U.S.A.
  • 3123801047 | +1 312-380-1047 Illinois U.S.A.
  • 3123801048 | +1 312-380-1048 Illinois U.S.A.
  • 3123801049 | +1 312-380-1049 Illinois U.S.A.
  • 3123801050 | +1 312-380-1050 Illinois U.S.A.
  • 3123801051 | +1 312-380-1051 Illinois U.S.A.
  • 3123801052 | +1 312-380-1052 Illinois U.S.A.
  • 3123801053 | +1 312-380-1053 Illinois U.S.A.
  • 3123801054 | +1 312-380-1054 Illinois U.S.A.
  • 3123801055 | +1 312-380-1055 Illinois U.S.A.
  • 3123801056 | +1 312-380-1056 Illinois U.S.A.
  • 3123801057 | +1 312-380-1057 Illinois U.S.A.
  • 3123801058 | +1 312-380-1058 Illinois U.S.A.
  • 3123801059 | +1 312-380-1059 Illinois U.S.A.
  • 3123801060 | +1 312-380-1060 Illinois U.S.A.
  • 3123801061 | +1 312-380-1061 Illinois U.S.A.
  • 3123801062 | +1 312-380-1062 Illinois U.S.A.
  • 3123801063 | +1 312-380-1063 Illinois U.S.A.
  • 3123801064 | +1 312-380-1064 Illinois U.S.A.
  • 3123801065 | +1 312-380-1065 Illinois U.S.A.
  • 3123801066 | +1 312-380-1066 Illinois U.S.A.
  • 3123801067 | +1 312-380-1067 Illinois U.S.A.
  • 3123801068 | +1 312-380-1068 Illinois U.S.A.
  • 3123801069 | +1 312-380-1069 Illinois U.S.A.
  • 3123801070 | +1 312-380-1070 Illinois U.S.A.
  • 3123801071 | +1 312-380-1071 Illinois U.S.A.
  • 3123801072 | +1 312-380-1072 Illinois U.S.A.
  • 3123801073 | +1 312-380-1073 Illinois U.S.A.
  • 3123801074 | +1 312-380-1074 Illinois U.S.A.
  • 3123801075 | +1 312-380-1075 Illinois U.S.A.
  • 3123801076 | +1 312-380-1076 Illinois U.S.A.
  • 3123801077 | +1 312-380-1077 Illinois U.S.A.
  • 3123801078 | +1 312-380-1078 Illinois U.S.A.
  • 3123801079 | +1 312-380-1079 Illinois U.S.A.
  • 3123801080 | +1 312-380-1080 Illinois U.S.A.
  • 3123801081 | +1 312-380-1081 Illinois U.S.A.
  • 3123801082 | +1 312-380-1082 Illinois U.S.A.
  • 3123801083 | +1 312-380-1083 Illinois U.S.A.
  • 3123801084 | +1 312-380-1084 Illinois U.S.A.
  • 3123801085 | +1 312-380-1085 Illinois U.S.A.
  • 3123801086 | +1 312-380-1086 Illinois U.S.A.
  • 3123801087 | +1 312-380-1087 Illinois U.S.A.
  • 3123801088 | +1 312-380-1088 Illinois U.S.A.
  • 3123801089 | +1 312-380-1089 Illinois U.S.A.
  • 3123801090 | +1 312-380-1090 Illinois U.S.A.
  • 3123801091 | +1 312-380-1091 Illinois U.S.A.
  • 3123801092 | +1 312-380-1092 Illinois U.S.A.
  • 3123801093 | +1 312-380-1093 Illinois U.S.A.
  • 3123801094 | +1 312-380-1094 Illinois U.S.A.
  • 3123801095 | +1 312-380-1095 Illinois U.S.A.
  • 3123801096 | +1 312-380-1096 Illinois U.S.A.
  • 3123801097 | +1 312-380-1097 Illinois U.S.A.
  • 3123801098 | +1 312-380-1098 Illinois U.S.A.
  • 3123801099 | +1 312-380-1099 Illinois U.S.A.