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).

  • 3124304000 | +1 312-430-4000 Illinois U.S.A.
  • 3124304001 | +1 312-430-4001 Illinois U.S.A.
  • 3124304002 | +1 312-430-4002 Illinois U.S.A.
  • 3124304003 | +1 312-430-4003 Illinois U.S.A.
  • 3124304004 | +1 312-430-4004 Illinois U.S.A.
  • 3124304005 | +1 312-430-4005 Illinois U.S.A.
  • 3124304006 | +1 312-430-4006 Illinois U.S.A.
  • 3124304007 | +1 312-430-4007 Illinois U.S.A.
  • 3124304008 | +1 312-430-4008 Illinois U.S.A.
  • 3124304009 | +1 312-430-4009 Illinois U.S.A.
  • 3124304010 | +1 312-430-4010 Illinois U.S.A.
  • 3124304011 | +1 312-430-4011 Illinois U.S.A.
  • 3124304012 | +1 312-430-4012 Illinois U.S.A.
  • 3124304013 | +1 312-430-4013 Illinois U.S.A.
  • 3124304014 | +1 312-430-4014 Illinois U.S.A.
  • 3124304015 | +1 312-430-4015 Illinois U.S.A.
  • 3124304016 | +1 312-430-4016 Illinois U.S.A.
  • 3124304017 | +1 312-430-4017 Illinois U.S.A.
  • 3124304018 | +1 312-430-4018 Illinois U.S.A.
  • 3124304019 | +1 312-430-4019 Illinois U.S.A.
  • 3124304020 | +1 312-430-4020 Illinois U.S.A.
  • 3124304021 | +1 312-430-4021 Illinois U.S.A.
  • 3124304022 | +1 312-430-4022 Illinois U.S.A.
  • 3124304023 | +1 312-430-4023 Illinois U.S.A.
  • 3124304024 | +1 312-430-4024 Illinois U.S.A.
  • 3124304025 | +1 312-430-4025 Illinois U.S.A.
  • 3124304026 | +1 312-430-4026 Illinois U.S.A.
  • 3124304027 | +1 312-430-4027 Illinois U.S.A.
  • 3124304028 | +1 312-430-4028 Illinois U.S.A.
  • 3124304029 | +1 312-430-4029 Illinois U.S.A.
  • 3124304030 | +1 312-430-4030 Illinois U.S.A.
  • 3124304031 | +1 312-430-4031 Illinois U.S.A.
  • 3124304032 | +1 312-430-4032 Illinois U.S.A.
  • 3124304033 | +1 312-430-4033 Illinois U.S.A.
  • 3124304034 | +1 312-430-4034 Illinois U.S.A.
  • 3124304035 | +1 312-430-4035 Illinois U.S.A.
  • 3124304036 | +1 312-430-4036 Illinois U.S.A.
  • 3124304037 | +1 312-430-4037 Illinois U.S.A.
  • 3124304038 | +1 312-430-4038 Illinois U.S.A.
  • 3124304039 | +1 312-430-4039 Illinois U.S.A.
  • 3124304040 | +1 312-430-4040 Illinois U.S.A.
  • 3124304041 | +1 312-430-4041 Illinois U.S.A.
  • 3124304042 | +1 312-430-4042 Illinois U.S.A.
  • 3124304043 | +1 312-430-4043 Illinois U.S.A.
  • 3124304044 | +1 312-430-4044 Illinois U.S.A.
  • 3124304045 | +1 312-430-4045 Illinois U.S.A.
  • 3124304046 | +1 312-430-4046 Illinois U.S.A.
  • 3124304047 | +1 312-430-4047 Illinois U.S.A.
  • 3124304048 | +1 312-430-4048 Illinois U.S.A.
  • 3124304049 | +1 312-430-4049 Illinois U.S.A.
  • 3124304050 | +1 312-430-4050 Illinois U.S.A.
  • 3124304051 | +1 312-430-4051 Illinois U.S.A.
  • 3124304052 | +1 312-430-4052 Illinois U.S.A.
  • 3124304053 | +1 312-430-4053 Illinois U.S.A.
  • 3124304054 | +1 312-430-4054 Illinois U.S.A.
  • 3124304055 | +1 312-430-4055 Illinois U.S.A.
  • 3124304056 | +1 312-430-4056 Illinois U.S.A.
  • 3124304057 | +1 312-430-4057 Illinois U.S.A.
  • 3124304058 | +1 312-430-4058 Illinois U.S.A.
  • 3124304059 | +1 312-430-4059 Illinois U.S.A.
  • 3124304060 | +1 312-430-4060 Illinois U.S.A.
  • 3124304061 | +1 312-430-4061 Illinois U.S.A.
  • 3124304062 | +1 312-430-4062 Illinois U.S.A.
  • 3124304063 | +1 312-430-4063 Illinois U.S.A.
  • 3124304064 | +1 312-430-4064 Illinois U.S.A.
  • 3124304065 | +1 312-430-4065 Illinois U.S.A.
  • 3124304066 | +1 312-430-4066 Illinois U.S.A.
  • 3124304067 | +1 312-430-4067 Illinois U.S.A.
  • 3124304068 | +1 312-430-4068 Illinois U.S.A.
  • 3124304069 | +1 312-430-4069 Illinois U.S.A.
  • 3124304070 | +1 312-430-4070 Illinois U.S.A.
  • 3124304071 | +1 312-430-4071 Illinois U.S.A.
  • 3124304072 | +1 312-430-4072 Illinois U.S.A.
  • 3124304073 | +1 312-430-4073 Illinois U.S.A.
  • 3124304074 | +1 312-430-4074 Illinois U.S.A.
  • 3124304075 | +1 312-430-4075 Illinois U.S.A.
  • 3124304076 | +1 312-430-4076 Illinois U.S.A.
  • 3124304077 | +1 312-430-4077 Illinois U.S.A.
  • 3124304078 | +1 312-430-4078 Illinois U.S.A.
  • 3124304079 | +1 312-430-4079 Illinois U.S.A.
  • 3124304080 | +1 312-430-4080 Illinois U.S.A.
  • 3124304081 | +1 312-430-4081 Illinois U.S.A.
  • 3124304082 | +1 312-430-4082 Illinois U.S.A.
  • 3124304083 | +1 312-430-4083 Illinois U.S.A.
  • 3124304084 | +1 312-430-4084 Illinois U.S.A.
  • 3124304085 | +1 312-430-4085 Illinois U.S.A.
  • 3124304086 | +1 312-430-4086 Illinois U.S.A.
  • 3124304087 | +1 312-430-4087 Illinois U.S.A.
  • 3124304088 | +1 312-430-4088 Illinois U.S.A.
  • 3124304089 | +1 312-430-4089 Illinois U.S.A.
  • 3124304090 | +1 312-430-4090 Illinois U.S.A.
  • 3124304091 | +1 312-430-4091 Illinois U.S.A.
  • 3124304092 | +1 312-430-4092 Illinois U.S.A.
  • 3124304093 | +1 312-430-4093 Illinois U.S.A.
  • 3124304094 | +1 312-430-4094 Illinois U.S.A.
  • 3124304095 | +1 312-430-4095 Illinois U.S.A.
  • 3124304096 | +1 312-430-4096 Illinois U.S.A.
  • 3124304097 | +1 312-430-4097 Illinois U.S.A.
  • 3124304098 | +1 312-430-4098 Illinois U.S.A.
  • 3124304099 | +1 312-430-4099 Illinois U.S.A.