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).

  • 3128397000 | +1 312-839-7000 Illinois U.S.A.
  • 3128397001 | +1 312-839-7001 Illinois U.S.A.
  • 3128397002 | +1 312-839-7002 Illinois U.S.A.
  • 3128397003 | +1 312-839-7003 Illinois U.S.A.
  • 3128397004 | +1 312-839-7004 Illinois U.S.A.
  • 3128397005 | +1 312-839-7005 Illinois U.S.A.
  • 3128397006 | +1 312-839-7006 Illinois U.S.A.
  • 3128397007 | +1 312-839-7007 Illinois U.S.A.
  • 3128397008 | +1 312-839-7008 Illinois U.S.A.
  • 3128397009 | +1 312-839-7009 Illinois U.S.A.
  • 3128397010 | +1 312-839-7010 Illinois U.S.A.
  • 3128397011 | +1 312-839-7011 Illinois U.S.A.
  • 3128397012 | +1 312-839-7012 Illinois U.S.A.
  • 3128397013 | +1 312-839-7013 Illinois U.S.A.
  • 3128397014 | +1 312-839-7014 Illinois U.S.A.
  • 3128397015 | +1 312-839-7015 Illinois U.S.A.
  • 3128397016 | +1 312-839-7016 Illinois U.S.A.
  • 3128397017 | +1 312-839-7017 Illinois U.S.A.
  • 3128397018 | +1 312-839-7018 Illinois U.S.A.
  • 3128397019 | +1 312-839-7019 Illinois U.S.A.
  • 3128397020 | +1 312-839-7020 Illinois U.S.A.
  • 3128397021 | +1 312-839-7021 Illinois U.S.A.
  • 3128397022 | +1 312-839-7022 Illinois U.S.A.
  • 3128397023 | +1 312-839-7023 Illinois U.S.A.
  • 3128397024 | +1 312-839-7024 Illinois U.S.A.
  • 3128397025 | +1 312-839-7025 Illinois U.S.A.
  • 3128397026 | +1 312-839-7026 Illinois U.S.A.
  • 3128397027 | +1 312-839-7027 Illinois U.S.A.
  • 3128397028 | +1 312-839-7028 Illinois U.S.A.
  • 3128397029 | +1 312-839-7029 Illinois U.S.A.
  • 3128397030 | +1 312-839-7030 Illinois U.S.A.
  • 3128397031 | +1 312-839-7031 Illinois U.S.A.
  • 3128397032 | +1 312-839-7032 Illinois U.S.A.
  • 3128397033 | +1 312-839-7033 Illinois U.S.A.
  • 3128397034 | +1 312-839-7034 Illinois U.S.A.
  • 3128397035 | +1 312-839-7035 Illinois U.S.A.
  • 3128397036 | +1 312-839-7036 Illinois U.S.A.
  • 3128397037 | +1 312-839-7037 Illinois U.S.A.
  • 3128397038 | +1 312-839-7038 Illinois U.S.A.
  • 3128397039 | +1 312-839-7039 Illinois U.S.A.
  • 3128397040 | +1 312-839-7040 Illinois U.S.A.
  • 3128397041 | +1 312-839-7041 Illinois U.S.A.
  • 3128397042 | +1 312-839-7042 Illinois U.S.A.
  • 3128397043 | +1 312-839-7043 Illinois U.S.A.
  • 3128397044 | +1 312-839-7044 Illinois U.S.A.
  • 3128397045 | +1 312-839-7045 Illinois U.S.A.
  • 3128397046 | +1 312-839-7046 Illinois U.S.A.
  • 3128397047 | +1 312-839-7047 Illinois U.S.A.
  • 3128397048 | +1 312-839-7048 Illinois U.S.A.
  • 3128397049 | +1 312-839-7049 Illinois U.S.A.
  • 3128397050 | +1 312-839-7050 Illinois U.S.A.
  • 3128397051 | +1 312-839-7051 Illinois U.S.A.
  • 3128397052 | +1 312-839-7052 Illinois U.S.A.
  • 3128397053 | +1 312-839-7053 Illinois U.S.A.
  • 3128397054 | +1 312-839-7054 Illinois U.S.A.
  • 3128397055 | +1 312-839-7055 Illinois U.S.A.
  • 3128397056 | +1 312-839-7056 Illinois U.S.A.
  • 3128397057 | +1 312-839-7057 Illinois U.S.A.
  • 3128397058 | +1 312-839-7058 Illinois U.S.A.
  • 3128397059 | +1 312-839-7059 Illinois U.S.A.
  • 3128397060 | +1 312-839-7060 Illinois U.S.A.
  • 3128397061 | +1 312-839-7061 Illinois U.S.A.
  • 3128397062 | +1 312-839-7062 Illinois U.S.A.
  • 3128397063 | +1 312-839-7063 Illinois U.S.A.
  • 3128397064 | +1 312-839-7064 Illinois U.S.A.
  • 3128397065 | +1 312-839-7065 Illinois U.S.A.
  • 3128397066 | +1 312-839-7066 Illinois U.S.A.
  • 3128397067 | +1 312-839-7067 Illinois U.S.A.
  • 3128397068 | +1 312-839-7068 Illinois U.S.A.
  • 3128397069 | +1 312-839-7069 Illinois U.S.A.
  • 3128397070 | +1 312-839-7070 Illinois U.S.A.
  • 3128397071 | +1 312-839-7071 Illinois U.S.A.
  • 3128397072 | +1 312-839-7072 Illinois U.S.A.
  • 3128397073 | +1 312-839-7073 Illinois U.S.A.
  • 3128397074 | +1 312-839-7074 Illinois U.S.A.
  • 3128397075 | +1 312-839-7075 Illinois U.S.A.
  • 3128397076 | +1 312-839-7076 Illinois U.S.A.
  • 3128397077 | +1 312-839-7077 Illinois U.S.A.
  • 3128397078 | +1 312-839-7078 Illinois U.S.A.
  • 3128397079 | +1 312-839-7079 Illinois U.S.A.
  • 3128397080 | +1 312-839-7080 Illinois U.S.A.
  • 3128397081 | +1 312-839-7081 Illinois U.S.A.
  • 3128397082 | +1 312-839-7082 Illinois U.S.A.
  • 3128397083 | +1 312-839-7083 Illinois U.S.A.
  • 3128397084 | +1 312-839-7084 Illinois U.S.A.
  • 3128397085 | +1 312-839-7085 Illinois U.S.A.
  • 3128397086 | +1 312-839-7086 Illinois U.S.A.
  • 3128397087 | +1 312-839-7087 Illinois U.S.A.
  • 3128397088 | +1 312-839-7088 Illinois U.S.A.
  • 3128397089 | +1 312-839-7089 Illinois U.S.A.
  • 3128397090 | +1 312-839-7090 Illinois U.S.A.
  • 3128397091 | +1 312-839-7091 Illinois U.S.A.
  • 3128397092 | +1 312-839-7092 Illinois U.S.A.
  • 3128397093 | +1 312-839-7093 Illinois U.S.A.
  • 3128397094 | +1 312-839-7094 Illinois U.S.A.
  • 3128397095 | +1 312-839-7095 Illinois U.S.A.
  • 3128397096 | +1 312-839-7096 Illinois U.S.A.
  • 3128397097 | +1 312-839-7097 Illinois U.S.A.
  • 3128397098 | +1 312-839-7098 Illinois U.S.A.
  • 3128397099 | +1 312-839-7099 Illinois U.S.A.