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).

  • 3123067000 | +1 312-306-7000 Illinois U.S.A.
  • 3123067001 | +1 312-306-7001 Illinois U.S.A.
  • 3123067002 | +1 312-306-7002 Illinois U.S.A.
  • 3123067003 | +1 312-306-7003 Illinois U.S.A.
  • 3123067004 | +1 312-306-7004 Illinois U.S.A.
  • 3123067005 | +1 312-306-7005 Illinois U.S.A.
  • 3123067006 | +1 312-306-7006 Illinois U.S.A.
  • 3123067007 | +1 312-306-7007 Illinois U.S.A.
  • 3123067008 | +1 312-306-7008 Illinois U.S.A.
  • 3123067009 | +1 312-306-7009 Illinois U.S.A.
  • 3123067010 | +1 312-306-7010 Illinois U.S.A.
  • 3123067011 | +1 312-306-7011 Illinois U.S.A.
  • 3123067012 | +1 312-306-7012 Illinois U.S.A.
  • 3123067013 | +1 312-306-7013 Illinois U.S.A.
  • 3123067014 | +1 312-306-7014 Illinois U.S.A.
  • 3123067015 | +1 312-306-7015 Illinois U.S.A.
  • 3123067016 | +1 312-306-7016 Illinois U.S.A.
  • 3123067017 | +1 312-306-7017 Illinois U.S.A.
  • 3123067018 | +1 312-306-7018 Illinois U.S.A.
  • 3123067019 | +1 312-306-7019 Illinois U.S.A.
  • 3123067020 | +1 312-306-7020 Illinois U.S.A.
  • 3123067021 | +1 312-306-7021 Illinois U.S.A.
  • 3123067022 | +1 312-306-7022 Illinois U.S.A.
  • 3123067023 | +1 312-306-7023 Illinois U.S.A.
  • 3123067024 | +1 312-306-7024 Illinois U.S.A.
  • 3123067025 | +1 312-306-7025 Illinois U.S.A.
  • 3123067026 | +1 312-306-7026 Illinois U.S.A.
  • 3123067027 | +1 312-306-7027 Illinois U.S.A.
  • 3123067028 | +1 312-306-7028 Illinois U.S.A.
  • 3123067029 | +1 312-306-7029 Illinois U.S.A.
  • 3123067030 | +1 312-306-7030 Illinois U.S.A.
  • 3123067031 | +1 312-306-7031 Illinois U.S.A.
  • 3123067032 | +1 312-306-7032 Illinois U.S.A.
  • 3123067033 | +1 312-306-7033 Illinois U.S.A.
  • 3123067034 | +1 312-306-7034 Illinois U.S.A.
  • 3123067035 | +1 312-306-7035 Illinois U.S.A.
  • 3123067036 | +1 312-306-7036 Illinois U.S.A.
  • 3123067037 | +1 312-306-7037 Illinois U.S.A.
  • 3123067038 | +1 312-306-7038 Illinois U.S.A.
  • 3123067039 | +1 312-306-7039 Illinois U.S.A.
  • 3123067040 | +1 312-306-7040 Illinois U.S.A.
  • 3123067041 | +1 312-306-7041 Illinois U.S.A.
  • 3123067042 | +1 312-306-7042 Illinois U.S.A.
  • 3123067043 | +1 312-306-7043 Illinois U.S.A.
  • 3123067044 | +1 312-306-7044 Illinois U.S.A.
  • 3123067045 | +1 312-306-7045 Illinois U.S.A.
  • 3123067046 | +1 312-306-7046 Illinois U.S.A.
  • 3123067047 | +1 312-306-7047 Illinois U.S.A.
  • 3123067048 | +1 312-306-7048 Illinois U.S.A.
  • 3123067049 | +1 312-306-7049 Illinois U.S.A.
  • 3123067050 | +1 312-306-7050 Illinois U.S.A.
  • 3123067051 | +1 312-306-7051 Illinois U.S.A.
  • 3123067052 | +1 312-306-7052 Illinois U.S.A.
  • 3123067053 | +1 312-306-7053 Illinois U.S.A.
  • 3123067054 | +1 312-306-7054 Illinois U.S.A.
  • 3123067055 | +1 312-306-7055 Illinois U.S.A.
  • 3123067056 | +1 312-306-7056 Illinois U.S.A.
  • 3123067057 | +1 312-306-7057 Illinois U.S.A.
  • 3123067058 | +1 312-306-7058 Illinois U.S.A.
  • 3123067059 | +1 312-306-7059 Illinois U.S.A.
  • 3123067060 | +1 312-306-7060 Illinois U.S.A.
  • 3123067061 | +1 312-306-7061 Illinois U.S.A.
  • 3123067062 | +1 312-306-7062 Illinois U.S.A.
  • 3123067063 | +1 312-306-7063 Illinois U.S.A.
  • 3123067064 | +1 312-306-7064 Illinois U.S.A.
  • 3123067065 | +1 312-306-7065 Illinois U.S.A.
  • 3123067066 | +1 312-306-7066 Illinois U.S.A.
  • 3123067067 | +1 312-306-7067 Illinois U.S.A.
  • 3123067068 | +1 312-306-7068 Illinois U.S.A.
  • 3123067069 | +1 312-306-7069 Illinois U.S.A.
  • 3123067070 | +1 312-306-7070 Illinois U.S.A.
  • 3123067071 | +1 312-306-7071 Illinois U.S.A.
  • 3123067072 | +1 312-306-7072 Illinois U.S.A.
  • 3123067073 | +1 312-306-7073 Illinois U.S.A.
  • 3123067074 | +1 312-306-7074 Illinois U.S.A.
  • 3123067075 | +1 312-306-7075 Illinois U.S.A.
  • 3123067076 | +1 312-306-7076 Illinois U.S.A.
  • 3123067077 | +1 312-306-7077 Illinois U.S.A.
  • 3123067078 | +1 312-306-7078 Illinois U.S.A.
  • 3123067079 | +1 312-306-7079 Illinois U.S.A.
  • 3123067080 | +1 312-306-7080 Illinois U.S.A.
  • 3123067081 | +1 312-306-7081 Illinois U.S.A.
  • 3123067082 | +1 312-306-7082 Illinois U.S.A.
  • 3123067083 | +1 312-306-7083 Illinois U.S.A.
  • 3123067084 | +1 312-306-7084 Illinois U.S.A.
  • 3123067085 | +1 312-306-7085 Illinois U.S.A.
  • 3123067086 | +1 312-306-7086 Illinois U.S.A.
  • 3123067087 | +1 312-306-7087 Illinois U.S.A.
  • 3123067088 | +1 312-306-7088 Illinois U.S.A.
  • 3123067089 | +1 312-306-7089 Illinois U.S.A.
  • 3123067090 | +1 312-306-7090 Illinois U.S.A.
  • 3123067091 | +1 312-306-7091 Illinois U.S.A.
  • 3123067092 | +1 312-306-7092 Illinois U.S.A.
  • 3123067093 | +1 312-306-7093 Illinois U.S.A.
  • 3123067094 | +1 312-306-7094 Illinois U.S.A.
  • 3123067095 | +1 312-306-7095 Illinois U.S.A.
  • 3123067096 | +1 312-306-7096 Illinois U.S.A.
  • 3123067097 | +1 312-306-7097 Illinois U.S.A.
  • 3123067098 | +1 312-306-7098 Illinois U.S.A.
  • 3123067099 | +1 312-306-7099 Illinois U.S.A.