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).

  • 3124781000 | +1 312-478-1000 Illinois U.S.A.
  • 3124781001 | +1 312-478-1001 Illinois U.S.A.
  • 3124781002 | +1 312-478-1002 Illinois U.S.A.
  • 3124781003 | +1 312-478-1003 Illinois U.S.A.
  • 3124781004 | +1 312-478-1004 Illinois U.S.A.
  • 3124781005 | +1 312-478-1005 Illinois U.S.A.
  • 3124781006 | +1 312-478-1006 Illinois U.S.A.
  • 3124781007 | +1 312-478-1007 Illinois U.S.A.
  • 3124781008 | +1 312-478-1008 Illinois U.S.A.
  • 3124781009 | +1 312-478-1009 Illinois U.S.A.
  • 3124781010 | +1 312-478-1010 Illinois U.S.A.
  • 3124781011 | +1 312-478-1011 Illinois U.S.A.
  • 3124781012 | +1 312-478-1012 Illinois U.S.A.
  • 3124781013 | +1 312-478-1013 Illinois U.S.A.
  • 3124781014 | +1 312-478-1014 Illinois U.S.A.
  • 3124781015 | +1 312-478-1015 Illinois U.S.A.
  • 3124781016 | +1 312-478-1016 Illinois U.S.A.
  • 3124781017 | +1 312-478-1017 Illinois U.S.A.
  • 3124781018 | +1 312-478-1018 Illinois U.S.A.
  • 3124781019 | +1 312-478-1019 Illinois U.S.A.
  • 3124781020 | +1 312-478-1020 Illinois U.S.A.
  • 3124781021 | +1 312-478-1021 Illinois U.S.A.
  • 3124781022 | +1 312-478-1022 Illinois U.S.A.
  • 3124781023 | +1 312-478-1023 Illinois U.S.A.
  • 3124781024 | +1 312-478-1024 Illinois U.S.A.
  • 3124781025 | +1 312-478-1025 Illinois U.S.A.
  • 3124781026 | +1 312-478-1026 Illinois U.S.A.
  • 3124781027 | +1 312-478-1027 Illinois U.S.A.
  • 3124781028 | +1 312-478-1028 Illinois U.S.A.
  • 3124781029 | +1 312-478-1029 Illinois U.S.A.
  • 3124781030 | +1 312-478-1030 Illinois U.S.A.
  • 3124781031 | +1 312-478-1031 Illinois U.S.A.
  • 3124781032 | +1 312-478-1032 Illinois U.S.A.
  • 3124781033 | +1 312-478-1033 Illinois U.S.A.
  • 3124781034 | +1 312-478-1034 Illinois U.S.A.
  • 3124781035 | +1 312-478-1035 Illinois U.S.A.
  • 3124781036 | +1 312-478-1036 Illinois U.S.A.
  • 3124781037 | +1 312-478-1037 Illinois U.S.A.
  • 3124781038 | +1 312-478-1038 Illinois U.S.A.
  • 3124781039 | +1 312-478-1039 Illinois U.S.A.
  • 3124781040 | +1 312-478-1040 Illinois U.S.A.
  • 3124781041 | +1 312-478-1041 Illinois U.S.A.
  • 3124781042 | +1 312-478-1042 Illinois U.S.A.
  • 3124781043 | +1 312-478-1043 Illinois U.S.A.
  • 3124781044 | +1 312-478-1044 Illinois U.S.A.
  • 3124781045 | +1 312-478-1045 Illinois U.S.A.
  • 3124781046 | +1 312-478-1046 Illinois U.S.A.
  • 3124781047 | +1 312-478-1047 Illinois U.S.A.
  • 3124781048 | +1 312-478-1048 Illinois U.S.A.
  • 3124781049 | +1 312-478-1049 Illinois U.S.A.
  • 3124781050 | +1 312-478-1050 Illinois U.S.A.
  • 3124781051 | +1 312-478-1051 Illinois U.S.A.
  • 3124781052 | +1 312-478-1052 Illinois U.S.A.
  • 3124781053 | +1 312-478-1053 Illinois U.S.A.
  • 3124781054 | +1 312-478-1054 Illinois U.S.A.
  • 3124781055 | +1 312-478-1055 Illinois U.S.A.
  • 3124781056 | +1 312-478-1056 Illinois U.S.A.
  • 3124781057 | +1 312-478-1057 Illinois U.S.A.
  • 3124781058 | +1 312-478-1058 Illinois U.S.A.
  • 3124781059 | +1 312-478-1059 Illinois U.S.A.
  • 3124781060 | +1 312-478-1060 Illinois U.S.A.
  • 3124781061 | +1 312-478-1061 Illinois U.S.A.
  • 3124781062 | +1 312-478-1062 Illinois U.S.A.
  • 3124781063 | +1 312-478-1063 Illinois U.S.A.
  • 3124781064 | +1 312-478-1064 Illinois U.S.A.
  • 3124781065 | +1 312-478-1065 Illinois U.S.A.
  • 3124781066 | +1 312-478-1066 Illinois U.S.A.
  • 3124781067 | +1 312-478-1067 Illinois U.S.A.
  • 3124781068 | +1 312-478-1068 Illinois U.S.A.
  • 3124781069 | +1 312-478-1069 Illinois U.S.A.
  • 3124781070 | +1 312-478-1070 Illinois U.S.A.
  • 3124781071 | +1 312-478-1071 Illinois U.S.A.
  • 3124781072 | +1 312-478-1072 Illinois U.S.A.
  • 3124781073 | +1 312-478-1073 Illinois U.S.A.
  • 3124781074 | +1 312-478-1074 Illinois U.S.A.
  • 3124781075 | +1 312-478-1075 Illinois U.S.A.
  • 3124781076 | +1 312-478-1076 Illinois U.S.A.
  • 3124781077 | +1 312-478-1077 Illinois U.S.A.
  • 3124781078 | +1 312-478-1078 Illinois U.S.A.
  • 3124781079 | +1 312-478-1079 Illinois U.S.A.
  • 3124781080 | +1 312-478-1080 Illinois U.S.A.
  • 3124781081 | +1 312-478-1081 Illinois U.S.A.
  • 3124781082 | +1 312-478-1082 Illinois U.S.A.
  • 3124781083 | +1 312-478-1083 Illinois U.S.A.
  • 3124781084 | +1 312-478-1084 Illinois U.S.A.
  • 3124781085 | +1 312-478-1085 Illinois U.S.A.
  • 3124781086 | +1 312-478-1086 Illinois U.S.A.
  • 3124781087 | +1 312-478-1087 Illinois U.S.A.
  • 3124781088 | +1 312-478-1088 Illinois U.S.A.
  • 3124781089 | +1 312-478-1089 Illinois U.S.A.
  • 3124781090 | +1 312-478-1090 Illinois U.S.A.
  • 3124781091 | +1 312-478-1091 Illinois U.S.A.
  • 3124781092 | +1 312-478-1092 Illinois U.S.A.
  • 3124781093 | +1 312-478-1093 Illinois U.S.A.
  • 3124781094 | +1 312-478-1094 Illinois U.S.A.
  • 3124781095 | +1 312-478-1095 Illinois U.S.A.
  • 3124781096 | +1 312-478-1096 Illinois U.S.A.
  • 3124781097 | +1 312-478-1097 Illinois U.S.A.
  • 3124781098 | +1 312-478-1098 Illinois U.S.A.
  • 3124781099 | +1 312-478-1099 Illinois U.S.A.