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).

  • 3124794000 | +1 312-479-4000 Illinois U.S.A.
  • 3124794001 | +1 312-479-4001 Illinois U.S.A.
  • 3124794002 | +1 312-479-4002 Illinois U.S.A.
  • 3124794003 | +1 312-479-4003 Illinois U.S.A.
  • 3124794004 | +1 312-479-4004 Illinois U.S.A.
  • 3124794005 | +1 312-479-4005 Illinois U.S.A.
  • 3124794006 | +1 312-479-4006 Illinois U.S.A.
  • 3124794007 | +1 312-479-4007 Illinois U.S.A.
  • 3124794008 | +1 312-479-4008 Illinois U.S.A.
  • 3124794009 | +1 312-479-4009 Illinois U.S.A.
  • 3124794010 | +1 312-479-4010 Illinois U.S.A.
  • 3124794011 | +1 312-479-4011 Illinois U.S.A.
  • 3124794012 | +1 312-479-4012 Illinois U.S.A.
  • 3124794013 | +1 312-479-4013 Illinois U.S.A.
  • 3124794014 | +1 312-479-4014 Illinois U.S.A.
  • 3124794015 | +1 312-479-4015 Illinois U.S.A.
  • 3124794016 | +1 312-479-4016 Illinois U.S.A.
  • 3124794017 | +1 312-479-4017 Illinois U.S.A.
  • 3124794018 | +1 312-479-4018 Illinois U.S.A.
  • 3124794019 | +1 312-479-4019 Illinois U.S.A.
  • 3124794020 | +1 312-479-4020 Illinois U.S.A.
  • 3124794021 | +1 312-479-4021 Illinois U.S.A.
  • 3124794022 | +1 312-479-4022 Illinois U.S.A.
  • 3124794023 | +1 312-479-4023 Illinois U.S.A.
  • 3124794024 | +1 312-479-4024 Illinois U.S.A.
  • 3124794025 | +1 312-479-4025 Illinois U.S.A.
  • 3124794026 | +1 312-479-4026 Illinois U.S.A.
  • 3124794027 | +1 312-479-4027 Illinois U.S.A.
  • 3124794028 | +1 312-479-4028 Illinois U.S.A.
  • 3124794029 | +1 312-479-4029 Illinois U.S.A.
  • 3124794030 | +1 312-479-4030 Illinois U.S.A.
  • 3124794031 | +1 312-479-4031 Illinois U.S.A.
  • 3124794032 | +1 312-479-4032 Illinois U.S.A.
  • 3124794033 | +1 312-479-4033 Illinois U.S.A.
  • 3124794034 | +1 312-479-4034 Illinois U.S.A.
  • 3124794035 | +1 312-479-4035 Illinois U.S.A.
  • 3124794036 | +1 312-479-4036 Illinois U.S.A.
  • 3124794037 | +1 312-479-4037 Illinois U.S.A.
  • 3124794038 | +1 312-479-4038 Illinois U.S.A.
  • 3124794039 | +1 312-479-4039 Illinois U.S.A.
  • 3124794040 | +1 312-479-4040 Illinois U.S.A.
  • 3124794041 | +1 312-479-4041 Illinois U.S.A.
  • 3124794042 | +1 312-479-4042 Illinois U.S.A.
  • 3124794043 | +1 312-479-4043 Illinois U.S.A.
  • 3124794044 | +1 312-479-4044 Illinois U.S.A.
  • 3124794045 | +1 312-479-4045 Illinois U.S.A.
  • 3124794046 | +1 312-479-4046 Illinois U.S.A.
  • 3124794047 | +1 312-479-4047 Illinois U.S.A.
  • 3124794048 | +1 312-479-4048 Illinois U.S.A.
  • 3124794049 | +1 312-479-4049 Illinois U.S.A.
  • 3124794050 | +1 312-479-4050 Illinois U.S.A.
  • 3124794051 | +1 312-479-4051 Illinois U.S.A.
  • 3124794052 | +1 312-479-4052 Illinois U.S.A.
  • 3124794053 | +1 312-479-4053 Illinois U.S.A.
  • 3124794054 | +1 312-479-4054 Illinois U.S.A.
  • 3124794055 | +1 312-479-4055 Illinois U.S.A.
  • 3124794056 | +1 312-479-4056 Illinois U.S.A.
  • 3124794057 | +1 312-479-4057 Illinois U.S.A.
  • 3124794058 | +1 312-479-4058 Illinois U.S.A.
  • 3124794059 | +1 312-479-4059 Illinois U.S.A.
  • 3124794060 | +1 312-479-4060 Illinois U.S.A.
  • 3124794061 | +1 312-479-4061 Illinois U.S.A.
  • 3124794062 | +1 312-479-4062 Illinois U.S.A.
  • 3124794063 | +1 312-479-4063 Illinois U.S.A.
  • 3124794064 | +1 312-479-4064 Illinois U.S.A.
  • 3124794065 | +1 312-479-4065 Illinois U.S.A.
  • 3124794066 | +1 312-479-4066 Illinois U.S.A.
  • 3124794067 | +1 312-479-4067 Illinois U.S.A.
  • 3124794068 | +1 312-479-4068 Illinois U.S.A.
  • 3124794069 | +1 312-479-4069 Illinois U.S.A.
  • 3124794070 | +1 312-479-4070 Illinois U.S.A.
  • 3124794071 | +1 312-479-4071 Illinois U.S.A.
  • 3124794072 | +1 312-479-4072 Illinois U.S.A.
  • 3124794073 | +1 312-479-4073 Illinois U.S.A.
  • 3124794074 | +1 312-479-4074 Illinois U.S.A.
  • 3124794075 | +1 312-479-4075 Illinois U.S.A.
  • 3124794076 | +1 312-479-4076 Illinois U.S.A.
  • 3124794077 | +1 312-479-4077 Illinois U.S.A.
  • 3124794078 | +1 312-479-4078 Illinois U.S.A.
  • 3124794079 | +1 312-479-4079 Illinois U.S.A.
  • 3124794080 | +1 312-479-4080 Illinois U.S.A.
  • 3124794081 | +1 312-479-4081 Illinois U.S.A.
  • 3124794082 | +1 312-479-4082 Illinois U.S.A.
  • 3124794083 | +1 312-479-4083 Illinois U.S.A.
  • 3124794084 | +1 312-479-4084 Illinois U.S.A.
  • 3124794085 | +1 312-479-4085 Illinois U.S.A.
  • 3124794086 | +1 312-479-4086 Illinois U.S.A.
  • 3124794087 | +1 312-479-4087 Illinois U.S.A.
  • 3124794088 | +1 312-479-4088 Illinois U.S.A.
  • 3124794089 | +1 312-479-4089 Illinois U.S.A.
  • 3124794090 | +1 312-479-4090 Illinois U.S.A.
  • 3124794091 | +1 312-479-4091 Illinois U.S.A.
  • 3124794092 | +1 312-479-4092 Illinois U.S.A.
  • 3124794093 | +1 312-479-4093 Illinois U.S.A.
  • 3124794094 | +1 312-479-4094 Illinois U.S.A.
  • 3124794095 | +1 312-479-4095 Illinois U.S.A.
  • 3124794096 | +1 312-479-4096 Illinois U.S.A.
  • 3124794097 | +1 312-479-4097 Illinois U.S.A.
  • 3124794098 | +1 312-479-4098 Illinois U.S.A.
  • 3124794099 | +1 312-479-4099 Illinois U.S.A.