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).

  • 3127247000 | +1 312-724-7000 Illinois U.S.A.
  • 3127247001 | +1 312-724-7001 Illinois U.S.A.
  • 3127247002 | +1 312-724-7002 Illinois U.S.A.
  • 3127247003 | +1 312-724-7003 Illinois U.S.A.
  • 3127247004 | +1 312-724-7004 Illinois U.S.A.
  • 3127247005 | +1 312-724-7005 Illinois U.S.A.
  • 3127247006 | +1 312-724-7006 Illinois U.S.A.
  • 3127247007 | +1 312-724-7007 Illinois U.S.A.
  • 3127247008 | +1 312-724-7008 Illinois U.S.A.
  • 3127247009 | +1 312-724-7009 Illinois U.S.A.
  • 3127247010 | +1 312-724-7010 Illinois U.S.A.
  • 3127247011 | +1 312-724-7011 Illinois U.S.A.
  • 3127247012 | +1 312-724-7012 Illinois U.S.A.
  • 3127247013 | +1 312-724-7013 Illinois U.S.A.
  • 3127247014 | +1 312-724-7014 Illinois U.S.A.
  • 3127247015 | +1 312-724-7015 Illinois U.S.A.
  • 3127247016 | +1 312-724-7016 Illinois U.S.A.
  • 3127247017 | +1 312-724-7017 Illinois U.S.A.
  • 3127247018 | +1 312-724-7018 Illinois U.S.A.
  • 3127247019 | +1 312-724-7019 Illinois U.S.A.
  • 3127247020 | +1 312-724-7020 Illinois U.S.A.
  • 3127247021 | +1 312-724-7021 Illinois U.S.A.
  • 3127247022 | +1 312-724-7022 Illinois U.S.A.
  • 3127247023 | +1 312-724-7023 Illinois U.S.A.
  • 3127247024 | +1 312-724-7024 Illinois U.S.A.
  • 3127247025 | +1 312-724-7025 Illinois U.S.A.
  • 3127247026 | +1 312-724-7026 Illinois U.S.A.
  • 3127247027 | +1 312-724-7027 Illinois U.S.A.
  • 3127247028 | +1 312-724-7028 Illinois U.S.A.
  • 3127247029 | +1 312-724-7029 Illinois U.S.A.
  • 3127247030 | +1 312-724-7030 Illinois U.S.A.
  • 3127247031 | +1 312-724-7031 Illinois U.S.A.
  • 3127247032 | +1 312-724-7032 Illinois U.S.A.
  • 3127247033 | +1 312-724-7033 Illinois U.S.A.
  • 3127247034 | +1 312-724-7034 Illinois U.S.A.
  • 3127247035 | +1 312-724-7035 Illinois U.S.A.
  • 3127247036 | +1 312-724-7036 Illinois U.S.A.
  • 3127247037 | +1 312-724-7037 Illinois U.S.A.
  • 3127247038 | +1 312-724-7038 Illinois U.S.A.
  • 3127247039 | +1 312-724-7039 Illinois U.S.A.
  • 3127247040 | +1 312-724-7040 Illinois U.S.A.
  • 3127247041 | +1 312-724-7041 Illinois U.S.A.
  • 3127247042 | +1 312-724-7042 Illinois U.S.A.
  • 3127247043 | +1 312-724-7043 Illinois U.S.A.
  • 3127247044 | +1 312-724-7044 Illinois U.S.A.
  • 3127247045 | +1 312-724-7045 Illinois U.S.A.
  • 3127247046 | +1 312-724-7046 Illinois U.S.A.
  • 3127247047 | +1 312-724-7047 Illinois U.S.A.
  • 3127247048 | +1 312-724-7048 Illinois U.S.A.
  • 3127247049 | +1 312-724-7049 Illinois U.S.A.
  • 3127247050 | +1 312-724-7050 Illinois U.S.A.
  • 3127247051 | +1 312-724-7051 Illinois U.S.A.
  • 3127247052 | +1 312-724-7052 Illinois U.S.A.
  • 3127247053 | +1 312-724-7053 Illinois U.S.A.
  • 3127247054 | +1 312-724-7054 Illinois U.S.A.
  • 3127247055 | +1 312-724-7055 Illinois U.S.A.
  • 3127247056 | +1 312-724-7056 Illinois U.S.A.
  • 3127247057 | +1 312-724-7057 Illinois U.S.A.
  • 3127247058 | +1 312-724-7058 Illinois U.S.A.
  • 3127247059 | +1 312-724-7059 Illinois U.S.A.
  • 3127247060 | +1 312-724-7060 Illinois U.S.A.
  • 3127247061 | +1 312-724-7061 Illinois U.S.A.
  • 3127247062 | +1 312-724-7062 Illinois U.S.A.
  • 3127247063 | +1 312-724-7063 Illinois U.S.A.
  • 3127247064 | +1 312-724-7064 Illinois U.S.A.
  • 3127247065 | +1 312-724-7065 Illinois U.S.A.
  • 3127247066 | +1 312-724-7066 Illinois U.S.A.
  • 3127247067 | +1 312-724-7067 Illinois U.S.A.
  • 3127247068 | +1 312-724-7068 Illinois U.S.A.
  • 3127247069 | +1 312-724-7069 Illinois U.S.A.
  • 3127247070 | +1 312-724-7070 Illinois U.S.A.
  • 3127247071 | +1 312-724-7071 Illinois U.S.A.
  • 3127247072 | +1 312-724-7072 Illinois U.S.A.
  • 3127247073 | +1 312-724-7073 Illinois U.S.A.
  • 3127247074 | +1 312-724-7074 Illinois U.S.A.
  • 3127247075 | +1 312-724-7075 Illinois U.S.A.
  • 3127247076 | +1 312-724-7076 Illinois U.S.A.
  • 3127247077 | +1 312-724-7077 Illinois U.S.A.
  • 3127247078 | +1 312-724-7078 Illinois U.S.A.
  • 3127247079 | +1 312-724-7079 Illinois U.S.A.
  • 3127247080 | +1 312-724-7080 Illinois U.S.A.
  • 3127247081 | +1 312-724-7081 Illinois U.S.A.
  • 3127247082 | +1 312-724-7082 Illinois U.S.A.
  • 3127247083 | +1 312-724-7083 Illinois U.S.A.
  • 3127247084 | +1 312-724-7084 Illinois U.S.A.
  • 3127247085 | +1 312-724-7085 Illinois U.S.A.
  • 3127247086 | +1 312-724-7086 Illinois U.S.A.
  • 3127247087 | +1 312-724-7087 Illinois U.S.A.
  • 3127247088 | +1 312-724-7088 Illinois U.S.A.
  • 3127247089 | +1 312-724-7089 Illinois U.S.A.
  • 3127247090 | +1 312-724-7090 Illinois U.S.A.
  • 3127247091 | +1 312-724-7091 Illinois U.S.A.
  • 3127247092 | +1 312-724-7092 Illinois U.S.A.
  • 3127247093 | +1 312-724-7093 Illinois U.S.A.
  • 3127247094 | +1 312-724-7094 Illinois U.S.A.
  • 3127247095 | +1 312-724-7095 Illinois U.S.A.
  • 3127247096 | +1 312-724-7096 Illinois U.S.A.
  • 3127247097 | +1 312-724-7097 Illinois U.S.A.
  • 3127247098 | +1 312-724-7098 Illinois U.S.A.
  • 3127247099 | +1 312-724-7099 Illinois U.S.A.