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).

  • 3129927000 | +1 312-992-7000 Illinois U.S.A.
  • 3129927001 | +1 312-992-7001 Illinois U.S.A.
  • 3129927002 | +1 312-992-7002 Illinois U.S.A.
  • 3129927003 | +1 312-992-7003 Illinois U.S.A.
  • 3129927004 | +1 312-992-7004 Illinois U.S.A.
  • 3129927005 | +1 312-992-7005 Illinois U.S.A.
  • 3129927006 | +1 312-992-7006 Illinois U.S.A.
  • 3129927007 | +1 312-992-7007 Illinois U.S.A.
  • 3129927008 | +1 312-992-7008 Illinois U.S.A.
  • 3129927009 | +1 312-992-7009 Illinois U.S.A.
  • 3129927010 | +1 312-992-7010 Illinois U.S.A.
  • 3129927011 | +1 312-992-7011 Illinois U.S.A.
  • 3129927012 | +1 312-992-7012 Illinois U.S.A.
  • 3129927013 | +1 312-992-7013 Illinois U.S.A.
  • 3129927014 | +1 312-992-7014 Illinois U.S.A.
  • 3129927015 | +1 312-992-7015 Illinois U.S.A.
  • 3129927016 | +1 312-992-7016 Illinois U.S.A.
  • 3129927017 | +1 312-992-7017 Illinois U.S.A.
  • 3129927018 | +1 312-992-7018 Illinois U.S.A.
  • 3129927019 | +1 312-992-7019 Illinois U.S.A.
  • 3129927020 | +1 312-992-7020 Illinois U.S.A.
  • 3129927021 | +1 312-992-7021 Illinois U.S.A.
  • 3129927022 | +1 312-992-7022 Illinois U.S.A.
  • 3129927023 | +1 312-992-7023 Illinois U.S.A.
  • 3129927024 | +1 312-992-7024 Illinois U.S.A.
  • 3129927025 | +1 312-992-7025 Illinois U.S.A.
  • 3129927026 | +1 312-992-7026 Illinois U.S.A.
  • 3129927027 | +1 312-992-7027 Illinois U.S.A.
  • 3129927028 | +1 312-992-7028 Illinois U.S.A.
  • 3129927029 | +1 312-992-7029 Illinois U.S.A.
  • 3129927030 | +1 312-992-7030 Illinois U.S.A.
  • 3129927031 | +1 312-992-7031 Illinois U.S.A.
  • 3129927032 | +1 312-992-7032 Illinois U.S.A.
  • 3129927033 | +1 312-992-7033 Illinois U.S.A.
  • 3129927034 | +1 312-992-7034 Illinois U.S.A.
  • 3129927035 | +1 312-992-7035 Illinois U.S.A.
  • 3129927036 | +1 312-992-7036 Illinois U.S.A.
  • 3129927037 | +1 312-992-7037 Illinois U.S.A.
  • 3129927038 | +1 312-992-7038 Illinois U.S.A.
  • 3129927039 | +1 312-992-7039 Illinois U.S.A.
  • 3129927040 | +1 312-992-7040 Illinois U.S.A.
  • 3129927041 | +1 312-992-7041 Illinois U.S.A.
  • 3129927042 | +1 312-992-7042 Illinois U.S.A.
  • 3129927043 | +1 312-992-7043 Illinois U.S.A.
  • 3129927044 | +1 312-992-7044 Illinois U.S.A.
  • 3129927045 | +1 312-992-7045 Illinois U.S.A.
  • 3129927046 | +1 312-992-7046 Illinois U.S.A.
  • 3129927047 | +1 312-992-7047 Illinois U.S.A.
  • 3129927048 | +1 312-992-7048 Illinois U.S.A.
  • 3129927049 | +1 312-992-7049 Illinois U.S.A.
  • 3129927050 | +1 312-992-7050 Illinois U.S.A.
  • 3129927051 | +1 312-992-7051 Illinois U.S.A.
  • 3129927052 | +1 312-992-7052 Illinois U.S.A.
  • 3129927053 | +1 312-992-7053 Illinois U.S.A.
  • 3129927054 | +1 312-992-7054 Illinois U.S.A.
  • 3129927055 | +1 312-992-7055 Illinois U.S.A.
  • 3129927056 | +1 312-992-7056 Illinois U.S.A.
  • 3129927057 | +1 312-992-7057 Illinois U.S.A.
  • 3129927058 | +1 312-992-7058 Illinois U.S.A.
  • 3129927059 | +1 312-992-7059 Illinois U.S.A.
  • 3129927060 | +1 312-992-7060 Illinois U.S.A.
  • 3129927061 | +1 312-992-7061 Illinois U.S.A.
  • 3129927062 | +1 312-992-7062 Illinois U.S.A.
  • 3129927063 | +1 312-992-7063 Illinois U.S.A.
  • 3129927064 | +1 312-992-7064 Illinois U.S.A.
  • 3129927065 | +1 312-992-7065 Illinois U.S.A.
  • 3129927066 | +1 312-992-7066 Illinois U.S.A.
  • 3129927067 | +1 312-992-7067 Illinois U.S.A.
  • 3129927068 | +1 312-992-7068 Illinois U.S.A.
  • 3129927069 | +1 312-992-7069 Illinois U.S.A.
  • 3129927070 | +1 312-992-7070 Illinois U.S.A.
  • 3129927071 | +1 312-992-7071 Illinois U.S.A.
  • 3129927072 | +1 312-992-7072 Illinois U.S.A.
  • 3129927073 | +1 312-992-7073 Illinois U.S.A.
  • 3129927074 | +1 312-992-7074 Illinois U.S.A.
  • 3129927075 | +1 312-992-7075 Illinois U.S.A.
  • 3129927076 | +1 312-992-7076 Illinois U.S.A.
  • 3129927077 | +1 312-992-7077 Illinois U.S.A.
  • 3129927078 | +1 312-992-7078 Illinois U.S.A.
  • 3129927079 | +1 312-992-7079 Illinois U.S.A.
  • 3129927080 | +1 312-992-7080 Illinois U.S.A.
  • 3129927081 | +1 312-992-7081 Illinois U.S.A.
  • 3129927082 | +1 312-992-7082 Illinois U.S.A.
  • 3129927083 | +1 312-992-7083 Illinois U.S.A.
  • 3129927084 | +1 312-992-7084 Illinois U.S.A.
  • 3129927085 | +1 312-992-7085 Illinois U.S.A.
  • 3129927086 | +1 312-992-7086 Illinois U.S.A.
  • 3129927087 | +1 312-992-7087 Illinois U.S.A.
  • 3129927088 | +1 312-992-7088 Illinois U.S.A.
  • 3129927089 | +1 312-992-7089 Illinois U.S.A.
  • 3129927090 | +1 312-992-7090 Illinois U.S.A.
  • 3129927091 | +1 312-992-7091 Illinois U.S.A.
  • 3129927092 | +1 312-992-7092 Illinois U.S.A.
  • 3129927093 | +1 312-992-7093 Illinois U.S.A.
  • 3129927094 | +1 312-992-7094 Illinois U.S.A.
  • 3129927095 | +1 312-992-7095 Illinois U.S.A.
  • 3129927096 | +1 312-992-7096 Illinois U.S.A.
  • 3129927097 | +1 312-992-7097 Illinois U.S.A.
  • 3129927098 | +1 312-992-7098 Illinois U.S.A.
  • 3129927099 | +1 312-992-7099 Illinois U.S.A.