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).

  • 3127124000 | +1 312-712-4000 Illinois U.S.A.
  • 3127124001 | +1 312-712-4001 Illinois U.S.A.
  • 3127124002 | +1 312-712-4002 Illinois U.S.A.
  • 3127124003 | +1 312-712-4003 Illinois U.S.A.
  • 3127124004 | +1 312-712-4004 Illinois U.S.A.
  • 3127124005 | +1 312-712-4005 Illinois U.S.A.
  • 3127124006 | +1 312-712-4006 Illinois U.S.A.
  • 3127124007 | +1 312-712-4007 Illinois U.S.A.
  • 3127124008 | +1 312-712-4008 Illinois U.S.A.
  • 3127124009 | +1 312-712-4009 Illinois U.S.A.
  • 3127124010 | +1 312-712-4010 Illinois U.S.A.
  • 3127124011 | +1 312-712-4011 Illinois U.S.A.
  • 3127124012 | +1 312-712-4012 Illinois U.S.A.
  • 3127124013 | +1 312-712-4013 Illinois U.S.A.
  • 3127124014 | +1 312-712-4014 Illinois U.S.A.
  • 3127124015 | +1 312-712-4015 Illinois U.S.A.
  • 3127124016 | +1 312-712-4016 Illinois U.S.A.
  • 3127124017 | +1 312-712-4017 Illinois U.S.A.
  • 3127124018 | +1 312-712-4018 Illinois U.S.A.
  • 3127124019 | +1 312-712-4019 Illinois U.S.A.
  • 3127124020 | +1 312-712-4020 Illinois U.S.A.
  • 3127124021 | +1 312-712-4021 Illinois U.S.A.
  • 3127124022 | +1 312-712-4022 Illinois U.S.A.
  • 3127124023 | +1 312-712-4023 Illinois U.S.A.
  • 3127124024 | +1 312-712-4024 Illinois U.S.A.
  • 3127124025 | +1 312-712-4025 Illinois U.S.A.
  • 3127124026 | +1 312-712-4026 Illinois U.S.A.
  • 3127124027 | +1 312-712-4027 Illinois U.S.A.
  • 3127124028 | +1 312-712-4028 Illinois U.S.A.
  • 3127124029 | +1 312-712-4029 Illinois U.S.A.
  • 3127124030 | +1 312-712-4030 Illinois U.S.A.
  • 3127124031 | +1 312-712-4031 Illinois U.S.A.
  • 3127124032 | +1 312-712-4032 Illinois U.S.A.
  • 3127124033 | +1 312-712-4033 Illinois U.S.A.
  • 3127124034 | +1 312-712-4034 Illinois U.S.A.
  • 3127124035 | +1 312-712-4035 Illinois U.S.A.
  • 3127124036 | +1 312-712-4036 Illinois U.S.A.
  • 3127124037 | +1 312-712-4037 Illinois U.S.A.
  • 3127124038 | +1 312-712-4038 Illinois U.S.A.
  • 3127124039 | +1 312-712-4039 Illinois U.S.A.
  • 3127124040 | +1 312-712-4040 Illinois U.S.A.
  • 3127124041 | +1 312-712-4041 Illinois U.S.A.
  • 3127124042 | +1 312-712-4042 Illinois U.S.A.
  • 3127124043 | +1 312-712-4043 Illinois U.S.A.
  • 3127124044 | +1 312-712-4044 Illinois U.S.A.
  • 3127124045 | +1 312-712-4045 Illinois U.S.A.
  • 3127124046 | +1 312-712-4046 Illinois U.S.A.
  • 3127124047 | +1 312-712-4047 Illinois U.S.A.
  • 3127124048 | +1 312-712-4048 Illinois U.S.A.
  • 3127124049 | +1 312-712-4049 Illinois U.S.A.
  • 3127124050 | +1 312-712-4050 Illinois U.S.A.
  • 3127124051 | +1 312-712-4051 Illinois U.S.A.
  • 3127124052 | +1 312-712-4052 Illinois U.S.A.
  • 3127124053 | +1 312-712-4053 Illinois U.S.A.
  • 3127124054 | +1 312-712-4054 Illinois U.S.A.
  • 3127124055 | +1 312-712-4055 Illinois U.S.A.
  • 3127124056 | +1 312-712-4056 Illinois U.S.A.
  • 3127124057 | +1 312-712-4057 Illinois U.S.A.
  • 3127124058 | +1 312-712-4058 Illinois U.S.A.
  • 3127124059 | +1 312-712-4059 Illinois U.S.A.
  • 3127124060 | +1 312-712-4060 Illinois U.S.A.
  • 3127124061 | +1 312-712-4061 Illinois U.S.A.
  • 3127124062 | +1 312-712-4062 Illinois U.S.A.
  • 3127124063 | +1 312-712-4063 Illinois U.S.A.
  • 3127124064 | +1 312-712-4064 Illinois U.S.A.
  • 3127124065 | +1 312-712-4065 Illinois U.S.A.
  • 3127124066 | +1 312-712-4066 Illinois U.S.A.
  • 3127124067 | +1 312-712-4067 Illinois U.S.A.
  • 3127124068 | +1 312-712-4068 Illinois U.S.A.
  • 3127124069 | +1 312-712-4069 Illinois U.S.A.
  • 3127124070 | +1 312-712-4070 Illinois U.S.A.
  • 3127124071 | +1 312-712-4071 Illinois U.S.A.
  • 3127124072 | +1 312-712-4072 Illinois U.S.A.
  • 3127124073 | +1 312-712-4073 Illinois U.S.A.
  • 3127124074 | +1 312-712-4074 Illinois U.S.A.
  • 3127124075 | +1 312-712-4075 Illinois U.S.A.
  • 3127124076 | +1 312-712-4076 Illinois U.S.A.
  • 3127124077 | +1 312-712-4077 Illinois U.S.A.
  • 3127124078 | +1 312-712-4078 Illinois U.S.A.
  • 3127124079 | +1 312-712-4079 Illinois U.S.A.
  • 3127124080 | +1 312-712-4080 Illinois U.S.A.
  • 3127124081 | +1 312-712-4081 Illinois U.S.A.
  • 3127124082 | +1 312-712-4082 Illinois U.S.A.
  • 3127124083 | +1 312-712-4083 Illinois U.S.A.
  • 3127124084 | +1 312-712-4084 Illinois U.S.A.
  • 3127124085 | +1 312-712-4085 Illinois U.S.A.
  • 3127124086 | +1 312-712-4086 Illinois U.S.A.
  • 3127124087 | +1 312-712-4087 Illinois U.S.A.
  • 3127124088 | +1 312-712-4088 Illinois U.S.A.
  • 3127124089 | +1 312-712-4089 Illinois U.S.A.
  • 3127124090 | +1 312-712-4090 Illinois U.S.A.
  • 3127124091 | +1 312-712-4091 Illinois U.S.A.
  • 3127124092 | +1 312-712-4092 Illinois U.S.A.
  • 3127124093 | +1 312-712-4093 Illinois U.S.A.
  • 3127124094 | +1 312-712-4094 Illinois U.S.A.
  • 3127124095 | +1 312-712-4095 Illinois U.S.A.
  • 3127124096 | +1 312-712-4096 Illinois U.S.A.
  • 3127124097 | +1 312-712-4097 Illinois U.S.A.
  • 3127124098 | +1 312-712-4098 Illinois U.S.A.
  • 3127124099 | +1 312-712-4099 Illinois U.S.A.