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).

  • 3123064000 | +1 312-306-4000 Illinois U.S.A.
  • 3123064001 | +1 312-306-4001 Illinois U.S.A.
  • 3123064002 | +1 312-306-4002 Illinois U.S.A.
  • 3123064003 | +1 312-306-4003 Illinois U.S.A.
  • 3123064004 | +1 312-306-4004 Illinois U.S.A.
  • 3123064005 | +1 312-306-4005 Illinois U.S.A.
  • 3123064006 | +1 312-306-4006 Illinois U.S.A.
  • 3123064007 | +1 312-306-4007 Illinois U.S.A.
  • 3123064008 | +1 312-306-4008 Illinois U.S.A.
  • 3123064009 | +1 312-306-4009 Illinois U.S.A.
  • 3123064010 | +1 312-306-4010 Illinois U.S.A.
  • 3123064011 | +1 312-306-4011 Illinois U.S.A.
  • 3123064012 | +1 312-306-4012 Illinois U.S.A.
  • 3123064013 | +1 312-306-4013 Illinois U.S.A.
  • 3123064014 | +1 312-306-4014 Illinois U.S.A.
  • 3123064015 | +1 312-306-4015 Illinois U.S.A.
  • 3123064016 | +1 312-306-4016 Illinois U.S.A.
  • 3123064017 | +1 312-306-4017 Illinois U.S.A.
  • 3123064018 | +1 312-306-4018 Illinois U.S.A.
  • 3123064019 | +1 312-306-4019 Illinois U.S.A.
  • 3123064020 | +1 312-306-4020 Illinois U.S.A.
  • 3123064021 | +1 312-306-4021 Illinois U.S.A.
  • 3123064022 | +1 312-306-4022 Illinois U.S.A.
  • 3123064023 | +1 312-306-4023 Illinois U.S.A.
  • 3123064024 | +1 312-306-4024 Illinois U.S.A.
  • 3123064025 | +1 312-306-4025 Illinois U.S.A.
  • 3123064026 | +1 312-306-4026 Illinois U.S.A.
  • 3123064027 | +1 312-306-4027 Illinois U.S.A.
  • 3123064028 | +1 312-306-4028 Illinois U.S.A.
  • 3123064029 | +1 312-306-4029 Illinois U.S.A.
  • 3123064030 | +1 312-306-4030 Illinois U.S.A.
  • 3123064031 | +1 312-306-4031 Illinois U.S.A.
  • 3123064032 | +1 312-306-4032 Illinois U.S.A.
  • 3123064033 | +1 312-306-4033 Illinois U.S.A.
  • 3123064034 | +1 312-306-4034 Illinois U.S.A.
  • 3123064035 | +1 312-306-4035 Illinois U.S.A.
  • 3123064036 | +1 312-306-4036 Illinois U.S.A.
  • 3123064037 | +1 312-306-4037 Illinois U.S.A.
  • 3123064038 | +1 312-306-4038 Illinois U.S.A.
  • 3123064039 | +1 312-306-4039 Illinois U.S.A.
  • 3123064040 | +1 312-306-4040 Illinois U.S.A.
  • 3123064041 | +1 312-306-4041 Illinois U.S.A.
  • 3123064042 | +1 312-306-4042 Illinois U.S.A.
  • 3123064043 | +1 312-306-4043 Illinois U.S.A.
  • 3123064044 | +1 312-306-4044 Illinois U.S.A.
  • 3123064045 | +1 312-306-4045 Illinois U.S.A.
  • 3123064046 | +1 312-306-4046 Illinois U.S.A.
  • 3123064047 | +1 312-306-4047 Illinois U.S.A.
  • 3123064048 | +1 312-306-4048 Illinois U.S.A.
  • 3123064049 | +1 312-306-4049 Illinois U.S.A.
  • 3123064050 | +1 312-306-4050 Illinois U.S.A.
  • 3123064051 | +1 312-306-4051 Illinois U.S.A.
  • 3123064052 | +1 312-306-4052 Illinois U.S.A.
  • 3123064053 | +1 312-306-4053 Illinois U.S.A.
  • 3123064054 | +1 312-306-4054 Illinois U.S.A.
  • 3123064055 | +1 312-306-4055 Illinois U.S.A.
  • 3123064056 | +1 312-306-4056 Illinois U.S.A.
  • 3123064057 | +1 312-306-4057 Illinois U.S.A.
  • 3123064058 | +1 312-306-4058 Illinois U.S.A.
  • 3123064059 | +1 312-306-4059 Illinois U.S.A.
  • 3123064060 | +1 312-306-4060 Illinois U.S.A.
  • 3123064061 | +1 312-306-4061 Illinois U.S.A.
  • 3123064062 | +1 312-306-4062 Illinois U.S.A.
  • 3123064063 | +1 312-306-4063 Illinois U.S.A.
  • 3123064064 | +1 312-306-4064 Illinois U.S.A.
  • 3123064065 | +1 312-306-4065 Illinois U.S.A.
  • 3123064066 | +1 312-306-4066 Illinois U.S.A.
  • 3123064067 | +1 312-306-4067 Illinois U.S.A.
  • 3123064068 | +1 312-306-4068 Illinois U.S.A.
  • 3123064069 | +1 312-306-4069 Illinois U.S.A.
  • 3123064070 | +1 312-306-4070 Illinois U.S.A.
  • 3123064071 | +1 312-306-4071 Illinois U.S.A.
  • 3123064072 | +1 312-306-4072 Illinois U.S.A.
  • 3123064073 | +1 312-306-4073 Illinois U.S.A.
  • 3123064074 | +1 312-306-4074 Illinois U.S.A.
  • 3123064075 | +1 312-306-4075 Illinois U.S.A.
  • 3123064076 | +1 312-306-4076 Illinois U.S.A.
  • 3123064077 | +1 312-306-4077 Illinois U.S.A.
  • 3123064078 | +1 312-306-4078 Illinois U.S.A.
  • 3123064079 | +1 312-306-4079 Illinois U.S.A.
  • 3123064080 | +1 312-306-4080 Illinois U.S.A.
  • 3123064081 | +1 312-306-4081 Illinois U.S.A.
  • 3123064082 | +1 312-306-4082 Illinois U.S.A.
  • 3123064083 | +1 312-306-4083 Illinois U.S.A.
  • 3123064084 | +1 312-306-4084 Illinois U.S.A.
  • 3123064085 | +1 312-306-4085 Illinois U.S.A.
  • 3123064086 | +1 312-306-4086 Illinois U.S.A.
  • 3123064087 | +1 312-306-4087 Illinois U.S.A.
  • 3123064088 | +1 312-306-4088 Illinois U.S.A.
  • 3123064089 | +1 312-306-4089 Illinois U.S.A.
  • 3123064090 | +1 312-306-4090 Illinois U.S.A.
  • 3123064091 | +1 312-306-4091 Illinois U.S.A.
  • 3123064092 | +1 312-306-4092 Illinois U.S.A.
  • 3123064093 | +1 312-306-4093 Illinois U.S.A.
  • 3123064094 | +1 312-306-4094 Illinois U.S.A.
  • 3123064095 | +1 312-306-4095 Illinois U.S.A.
  • 3123064096 | +1 312-306-4096 Illinois U.S.A.
  • 3123064097 | +1 312-306-4097 Illinois U.S.A.
  • 3123064098 | +1 312-306-4098 Illinois U.S.A.
  • 3123064099 | +1 312-306-4099 Illinois U.S.A.