City of Chicago


312 Area code: Chicago, Cook - Wireless

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).

  • 3127311000 | +1 312-731-1000 Illinois U.S.A.
  • 3127311001 | +1 312-731-1001 Illinois U.S.A.
  • 3127311002 | +1 312-731-1002 Illinois U.S.A.
  • 3127311003 | +1 312-731-1003 Illinois U.S.A.
  • 3127311004 | +1 312-731-1004 Illinois U.S.A.
  • 3127311005 | +1 312-731-1005 Illinois U.S.A.
  • 3127311006 | +1 312-731-1006 Illinois U.S.A.
  • 3127311007 | +1 312-731-1007 Illinois U.S.A.
  • 3127311008 | +1 312-731-1008 Illinois U.S.A.
  • 3127311009 | +1 312-731-1009 Illinois U.S.A.
  • 3127311010 | +1 312-731-1010 Illinois U.S.A.
  • 3127311011 | +1 312-731-1011 Illinois U.S.A.
  • 3127311012 | +1 312-731-1012 Illinois U.S.A.
  • 3127311013 | +1 312-731-1013 Illinois U.S.A.
  • 3127311014 | +1 312-731-1014 Illinois U.S.A.
  • 3127311015 | +1 312-731-1015 Illinois U.S.A.
  • 3127311016 | +1 312-731-1016 Illinois U.S.A.
  • 3127311017 | +1 312-731-1017 Illinois U.S.A.
  • 3127311018 | +1 312-731-1018 Illinois U.S.A.
  • 3127311019 | +1 312-731-1019 Illinois U.S.A.
  • 3127311020 | +1 312-731-1020 Illinois U.S.A.
  • 3127311021 | +1 312-731-1021 Illinois U.S.A.
  • 3127311022 | +1 312-731-1022 Illinois U.S.A.
  • 3127311023 | +1 312-731-1023 Illinois U.S.A.
  • 3127311024 | +1 312-731-1024 Illinois U.S.A.
  • 3127311025 | +1 312-731-1025 Illinois U.S.A.
  • 3127311026 | +1 312-731-1026 Illinois U.S.A.
  • 3127311027 | +1 312-731-1027 Illinois U.S.A.
  • 3127311028 | +1 312-731-1028 Illinois U.S.A.
  • 3127311029 | +1 312-731-1029 Illinois U.S.A.
  • 3127311030 | +1 312-731-1030 Illinois U.S.A.
  • 3127311031 | +1 312-731-1031 Illinois U.S.A.
  • 3127311032 | +1 312-731-1032 Illinois U.S.A.
  • 3127311033 | +1 312-731-1033 Illinois U.S.A.
  • 3127311034 | +1 312-731-1034 Illinois U.S.A.
  • 3127311035 | +1 312-731-1035 Illinois U.S.A.
  • 3127311036 | +1 312-731-1036 Illinois U.S.A.
  • 3127311037 | +1 312-731-1037 Illinois U.S.A.
  • 3127311038 | +1 312-731-1038 Illinois U.S.A.
  • 3127311039 | +1 312-731-1039 Illinois U.S.A.
  • 3127311040 | +1 312-731-1040 Illinois U.S.A.
  • 3127311041 | +1 312-731-1041 Illinois U.S.A.
  • 3127311042 | +1 312-731-1042 Illinois U.S.A.
  • 3127311043 | +1 312-731-1043 Illinois U.S.A.
  • 3127311044 | +1 312-731-1044 Illinois U.S.A.
  • 3127311045 | +1 312-731-1045 Illinois U.S.A.
  • 3127311046 | +1 312-731-1046 Illinois U.S.A.
  • 3127311047 | +1 312-731-1047 Illinois U.S.A.
  • 3127311048 | +1 312-731-1048 Illinois U.S.A.
  • 3127311049 | +1 312-731-1049 Illinois U.S.A.
  • 3127311050 | +1 312-731-1050 Illinois U.S.A.
  • 3127311051 | +1 312-731-1051 Illinois U.S.A.
  • 3127311052 | +1 312-731-1052 Illinois U.S.A.
  • 3127311053 | +1 312-731-1053 Illinois U.S.A.
  • 3127311054 | +1 312-731-1054 Illinois U.S.A.
  • 3127311055 | +1 312-731-1055 Illinois U.S.A.
  • 3127311056 | +1 312-731-1056 Illinois U.S.A.
  • 3127311057 | +1 312-731-1057 Illinois U.S.A.
  • 3127311058 | +1 312-731-1058 Illinois U.S.A.
  • 3127311059 | +1 312-731-1059 Illinois U.S.A.
  • 3127311060 | +1 312-731-1060 Illinois U.S.A.
  • 3127311061 | +1 312-731-1061 Illinois U.S.A.
  • 3127311062 | +1 312-731-1062 Illinois U.S.A.
  • 3127311063 | +1 312-731-1063 Illinois U.S.A.
  • 3127311064 | +1 312-731-1064 Illinois U.S.A.
  • 3127311065 | +1 312-731-1065 Illinois U.S.A.
  • 3127311066 | +1 312-731-1066 Illinois U.S.A.
  • 3127311067 | +1 312-731-1067 Illinois U.S.A.
  • 3127311068 | +1 312-731-1068 Illinois U.S.A.
  • 3127311069 | +1 312-731-1069 Illinois U.S.A.
  • 3127311070 | +1 312-731-1070 Illinois U.S.A.
  • 3127311071 | +1 312-731-1071 Illinois U.S.A.
  • 3127311072 | +1 312-731-1072 Illinois U.S.A.
  • 3127311073 | +1 312-731-1073 Illinois U.S.A.
  • 3127311074 | +1 312-731-1074 Illinois U.S.A.
  • 3127311075 | +1 312-731-1075 Illinois U.S.A.
  • 3127311076 | +1 312-731-1076 Illinois U.S.A.
  • 3127311077 | +1 312-731-1077 Illinois U.S.A.
  • 3127311078 | +1 312-731-1078 Illinois U.S.A.
  • 3127311079 | +1 312-731-1079 Illinois U.S.A.
  • 3127311080 | +1 312-731-1080 Illinois U.S.A.
  • 3127311081 | +1 312-731-1081 Illinois U.S.A.
  • 3127311082 | +1 312-731-1082 Illinois U.S.A.
  • 3127311083 | +1 312-731-1083 Illinois U.S.A.
  • 3127311084 | +1 312-731-1084 Illinois U.S.A.
  • 3127311085 | +1 312-731-1085 Illinois U.S.A.
  • 3127311086 | +1 312-731-1086 Illinois U.S.A.
  • 3127311087 | +1 312-731-1087 Illinois U.S.A.
  • 3127311088 | +1 312-731-1088 Illinois U.S.A.
  • 3127311089 | +1 312-731-1089 Illinois U.S.A.
  • 3127311090 | +1 312-731-1090 Illinois U.S.A.
  • 3127311091 | +1 312-731-1091 Illinois U.S.A.
  • 3127311092 | +1 312-731-1092 Illinois U.S.A.
  • 3127311093 | +1 312-731-1093 Illinois U.S.A.
  • 3127311094 | +1 312-731-1094 Illinois U.S.A.
  • 3127311095 | +1 312-731-1095 Illinois U.S.A.
  • 3127311096 | +1 312-731-1096 Illinois U.S.A.
  • 3127311097 | +1 312-731-1097 Illinois U.S.A.
  • 3127311098 | +1 312-731-1098 Illinois U.S.A.
  • 3127311099 | +1 312-731-1099 Illinois U.S.A.