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).

  • 3129214000 | +1 312-921-4000 Illinois U.S.A.
  • 3129214001 | +1 312-921-4001 Illinois U.S.A.
  • 3129214002 | +1 312-921-4002 Illinois U.S.A.
  • 3129214003 | +1 312-921-4003 Illinois U.S.A.
  • 3129214004 | +1 312-921-4004 Illinois U.S.A.
  • 3129214005 | +1 312-921-4005 Illinois U.S.A.
  • 3129214006 | +1 312-921-4006 Illinois U.S.A.
  • 3129214007 | +1 312-921-4007 Illinois U.S.A.
  • 3129214008 | +1 312-921-4008 Illinois U.S.A.
  • 3129214009 | +1 312-921-4009 Illinois U.S.A.
  • 3129214010 | +1 312-921-4010 Illinois U.S.A.
  • 3129214011 | +1 312-921-4011 Illinois U.S.A.
  • 3129214012 | +1 312-921-4012 Illinois U.S.A.
  • 3129214013 | +1 312-921-4013 Illinois U.S.A.
  • 3129214014 | +1 312-921-4014 Illinois U.S.A.
  • 3129214015 | +1 312-921-4015 Illinois U.S.A.
  • 3129214016 | +1 312-921-4016 Illinois U.S.A.
  • 3129214017 | +1 312-921-4017 Illinois U.S.A.
  • 3129214018 | +1 312-921-4018 Illinois U.S.A.
  • 3129214019 | +1 312-921-4019 Illinois U.S.A.
  • 3129214020 | +1 312-921-4020 Illinois U.S.A.
  • 3129214021 | +1 312-921-4021 Illinois U.S.A.
  • 3129214022 | +1 312-921-4022 Illinois U.S.A.
  • 3129214023 | +1 312-921-4023 Illinois U.S.A.
  • 3129214024 | +1 312-921-4024 Illinois U.S.A.
  • 3129214025 | +1 312-921-4025 Illinois U.S.A.
  • 3129214026 | +1 312-921-4026 Illinois U.S.A.
  • 3129214027 | +1 312-921-4027 Illinois U.S.A.
  • 3129214028 | +1 312-921-4028 Illinois U.S.A.
  • 3129214029 | +1 312-921-4029 Illinois U.S.A.
  • 3129214030 | +1 312-921-4030 Illinois U.S.A.
  • 3129214031 | +1 312-921-4031 Illinois U.S.A.
  • 3129214032 | +1 312-921-4032 Illinois U.S.A.
  • 3129214033 | +1 312-921-4033 Illinois U.S.A.
  • 3129214034 | +1 312-921-4034 Illinois U.S.A.
  • 3129214035 | +1 312-921-4035 Illinois U.S.A.
  • 3129214036 | +1 312-921-4036 Illinois U.S.A.
  • 3129214037 | +1 312-921-4037 Illinois U.S.A.
  • 3129214038 | +1 312-921-4038 Illinois U.S.A.
  • 3129214039 | +1 312-921-4039 Illinois U.S.A.
  • 3129214040 | +1 312-921-4040 Illinois U.S.A.
  • 3129214041 | +1 312-921-4041 Illinois U.S.A.
  • 3129214042 | +1 312-921-4042 Illinois U.S.A.
  • 3129214043 | +1 312-921-4043 Illinois U.S.A.
  • 3129214044 | +1 312-921-4044 Illinois U.S.A.
  • 3129214045 | +1 312-921-4045 Illinois U.S.A.
  • 3129214046 | +1 312-921-4046 Illinois U.S.A.
  • 3129214047 | +1 312-921-4047 Illinois U.S.A.
  • 3129214048 | +1 312-921-4048 Illinois U.S.A.
  • 3129214049 | +1 312-921-4049 Illinois U.S.A.
  • 3129214050 | +1 312-921-4050 Illinois U.S.A.
  • 3129214051 | +1 312-921-4051 Illinois U.S.A.
  • 3129214052 | +1 312-921-4052 Illinois U.S.A.
  • 3129214053 | +1 312-921-4053 Illinois U.S.A.
  • 3129214054 | +1 312-921-4054 Illinois U.S.A.
  • 3129214055 | +1 312-921-4055 Illinois U.S.A.
  • 3129214056 | +1 312-921-4056 Illinois U.S.A.
  • 3129214057 | +1 312-921-4057 Illinois U.S.A.
  • 3129214058 | +1 312-921-4058 Illinois U.S.A.
  • 3129214059 | +1 312-921-4059 Illinois U.S.A.
  • 3129214060 | +1 312-921-4060 Illinois U.S.A.
  • 3129214061 | +1 312-921-4061 Illinois U.S.A.
  • 3129214062 | +1 312-921-4062 Illinois U.S.A.
  • 3129214063 | +1 312-921-4063 Illinois U.S.A.
  • 3129214064 | +1 312-921-4064 Illinois U.S.A.
  • 3129214065 | +1 312-921-4065 Illinois U.S.A.
  • 3129214066 | +1 312-921-4066 Illinois U.S.A.
  • 3129214067 | +1 312-921-4067 Illinois U.S.A.
  • 3129214068 | +1 312-921-4068 Illinois U.S.A.
  • 3129214069 | +1 312-921-4069 Illinois U.S.A.
  • 3129214070 | +1 312-921-4070 Illinois U.S.A.
  • 3129214071 | +1 312-921-4071 Illinois U.S.A.
  • 3129214072 | +1 312-921-4072 Illinois U.S.A.
  • 3129214073 | +1 312-921-4073 Illinois U.S.A.
  • 3129214074 | +1 312-921-4074 Illinois U.S.A.
  • 3129214075 | +1 312-921-4075 Illinois U.S.A.
  • 3129214076 | +1 312-921-4076 Illinois U.S.A.
  • 3129214077 | +1 312-921-4077 Illinois U.S.A.
  • 3129214078 | +1 312-921-4078 Illinois U.S.A.
  • 3129214079 | +1 312-921-4079 Illinois U.S.A.
  • 3129214080 | +1 312-921-4080 Illinois U.S.A.
  • 3129214081 | +1 312-921-4081 Illinois U.S.A.
  • 3129214082 | +1 312-921-4082 Illinois U.S.A.
  • 3129214083 | +1 312-921-4083 Illinois U.S.A.
  • 3129214084 | +1 312-921-4084 Illinois U.S.A.
  • 3129214085 | +1 312-921-4085 Illinois U.S.A.
  • 3129214086 | +1 312-921-4086 Illinois U.S.A.
  • 3129214087 | +1 312-921-4087 Illinois U.S.A.
  • 3129214088 | +1 312-921-4088 Illinois U.S.A.
  • 3129214089 | +1 312-921-4089 Illinois U.S.A.
  • 3129214090 | +1 312-921-4090 Illinois U.S.A.
  • 3129214091 | +1 312-921-4091 Illinois U.S.A.
  • 3129214092 | +1 312-921-4092 Illinois U.S.A.
  • 3129214093 | +1 312-921-4093 Illinois U.S.A.
  • 3129214094 | +1 312-921-4094 Illinois U.S.A.
  • 3129214095 | +1 312-921-4095 Illinois U.S.A.
  • 3129214096 | +1 312-921-4096 Illinois U.S.A.
  • 3129214097 | +1 312-921-4097 Illinois U.S.A.
  • 3129214098 | +1 312-921-4098 Illinois U.S.A.
  • 3129214099 | +1 312-921-4099 Illinois U.S.A.