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).

  • 3129924000 | +1 312-992-4000 Illinois U.S.A.
  • 3129924001 | +1 312-992-4001 Illinois U.S.A.
  • 3129924002 | +1 312-992-4002 Illinois U.S.A.
  • 3129924003 | +1 312-992-4003 Illinois U.S.A.
  • 3129924004 | +1 312-992-4004 Illinois U.S.A.
  • 3129924005 | +1 312-992-4005 Illinois U.S.A.
  • 3129924006 | +1 312-992-4006 Illinois U.S.A.
  • 3129924007 | +1 312-992-4007 Illinois U.S.A.
  • 3129924008 | +1 312-992-4008 Illinois U.S.A.
  • 3129924009 | +1 312-992-4009 Illinois U.S.A.
  • 3129924010 | +1 312-992-4010 Illinois U.S.A.
  • 3129924011 | +1 312-992-4011 Illinois U.S.A.
  • 3129924012 | +1 312-992-4012 Illinois U.S.A.
  • 3129924013 | +1 312-992-4013 Illinois U.S.A.
  • 3129924014 | +1 312-992-4014 Illinois U.S.A.
  • 3129924015 | +1 312-992-4015 Illinois U.S.A.
  • 3129924016 | +1 312-992-4016 Illinois U.S.A.
  • 3129924017 | +1 312-992-4017 Illinois U.S.A.
  • 3129924018 | +1 312-992-4018 Illinois U.S.A.
  • 3129924019 | +1 312-992-4019 Illinois U.S.A.
  • 3129924020 | +1 312-992-4020 Illinois U.S.A.
  • 3129924021 | +1 312-992-4021 Illinois U.S.A.
  • 3129924022 | +1 312-992-4022 Illinois U.S.A.
  • 3129924023 | +1 312-992-4023 Illinois U.S.A.
  • 3129924024 | +1 312-992-4024 Illinois U.S.A.
  • 3129924025 | +1 312-992-4025 Illinois U.S.A.
  • 3129924026 | +1 312-992-4026 Illinois U.S.A.
  • 3129924027 | +1 312-992-4027 Illinois U.S.A.
  • 3129924028 | +1 312-992-4028 Illinois U.S.A.
  • 3129924029 | +1 312-992-4029 Illinois U.S.A.
  • 3129924030 | +1 312-992-4030 Illinois U.S.A.
  • 3129924031 | +1 312-992-4031 Illinois U.S.A.
  • 3129924032 | +1 312-992-4032 Illinois U.S.A.
  • 3129924033 | +1 312-992-4033 Illinois U.S.A.
  • 3129924034 | +1 312-992-4034 Illinois U.S.A.
  • 3129924035 | +1 312-992-4035 Illinois U.S.A.
  • 3129924036 | +1 312-992-4036 Illinois U.S.A.
  • 3129924037 | +1 312-992-4037 Illinois U.S.A.
  • 3129924038 | +1 312-992-4038 Illinois U.S.A.
  • 3129924039 | +1 312-992-4039 Illinois U.S.A.
  • 3129924040 | +1 312-992-4040 Illinois U.S.A.
  • 3129924041 | +1 312-992-4041 Illinois U.S.A.
  • 3129924042 | +1 312-992-4042 Illinois U.S.A.
  • 3129924043 | +1 312-992-4043 Illinois U.S.A.
  • 3129924044 | +1 312-992-4044 Illinois U.S.A.
  • 3129924045 | +1 312-992-4045 Illinois U.S.A.
  • 3129924046 | +1 312-992-4046 Illinois U.S.A.
  • 3129924047 | +1 312-992-4047 Illinois U.S.A.
  • 3129924048 | +1 312-992-4048 Illinois U.S.A.
  • 3129924049 | +1 312-992-4049 Illinois U.S.A.
  • 3129924050 | +1 312-992-4050 Illinois U.S.A.
  • 3129924051 | +1 312-992-4051 Illinois U.S.A.
  • 3129924052 | +1 312-992-4052 Illinois U.S.A.
  • 3129924053 | +1 312-992-4053 Illinois U.S.A.
  • 3129924054 | +1 312-992-4054 Illinois U.S.A.
  • 3129924055 | +1 312-992-4055 Illinois U.S.A.
  • 3129924056 | +1 312-992-4056 Illinois U.S.A.
  • 3129924057 | +1 312-992-4057 Illinois U.S.A.
  • 3129924058 | +1 312-992-4058 Illinois U.S.A.
  • 3129924059 | +1 312-992-4059 Illinois U.S.A.
  • 3129924060 | +1 312-992-4060 Illinois U.S.A.
  • 3129924061 | +1 312-992-4061 Illinois U.S.A.
  • 3129924062 | +1 312-992-4062 Illinois U.S.A.
  • 3129924063 | +1 312-992-4063 Illinois U.S.A.
  • 3129924064 | +1 312-992-4064 Illinois U.S.A.
  • 3129924065 | +1 312-992-4065 Illinois U.S.A.
  • 3129924066 | +1 312-992-4066 Illinois U.S.A.
  • 3129924067 | +1 312-992-4067 Illinois U.S.A.
  • 3129924068 | +1 312-992-4068 Illinois U.S.A.
  • 3129924069 | +1 312-992-4069 Illinois U.S.A.
  • 3129924070 | +1 312-992-4070 Illinois U.S.A.
  • 3129924071 | +1 312-992-4071 Illinois U.S.A.
  • 3129924072 | +1 312-992-4072 Illinois U.S.A.
  • 3129924073 | +1 312-992-4073 Illinois U.S.A.
  • 3129924074 | +1 312-992-4074 Illinois U.S.A.
  • 3129924075 | +1 312-992-4075 Illinois U.S.A.
  • 3129924076 | +1 312-992-4076 Illinois U.S.A.
  • 3129924077 | +1 312-992-4077 Illinois U.S.A.
  • 3129924078 | +1 312-992-4078 Illinois U.S.A.
  • 3129924079 | +1 312-992-4079 Illinois U.S.A.
  • 3129924080 | +1 312-992-4080 Illinois U.S.A.
  • 3129924081 | +1 312-992-4081 Illinois U.S.A.
  • 3129924082 | +1 312-992-4082 Illinois U.S.A.
  • 3129924083 | +1 312-992-4083 Illinois U.S.A.
  • 3129924084 | +1 312-992-4084 Illinois U.S.A.
  • 3129924085 | +1 312-992-4085 Illinois U.S.A.
  • 3129924086 | +1 312-992-4086 Illinois U.S.A.
  • 3129924087 | +1 312-992-4087 Illinois U.S.A.
  • 3129924088 | +1 312-992-4088 Illinois U.S.A.
  • 3129924089 | +1 312-992-4089 Illinois U.S.A.
  • 3129924090 | +1 312-992-4090 Illinois U.S.A.
  • 3129924091 | +1 312-992-4091 Illinois U.S.A.
  • 3129924092 | +1 312-992-4092 Illinois U.S.A.
  • 3129924093 | +1 312-992-4093 Illinois U.S.A.
  • 3129924094 | +1 312-992-4094 Illinois U.S.A.
  • 3129924095 | +1 312-992-4095 Illinois U.S.A.
  • 3129924096 | +1 312-992-4096 Illinois U.S.A.
  • 3129924097 | +1 312-992-4097 Illinois U.S.A.
  • 3129924098 | +1 312-992-4098 Illinois U.S.A.
  • 3129924099 | +1 312-992-4099 Illinois U.S.A.