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).

  • 3124306000 | +1 312-430-6000 Illinois U.S.A.
  • 3124306001 | +1 312-430-6001 Illinois U.S.A.
  • 3124306002 | +1 312-430-6002 Illinois U.S.A.
  • 3124306003 | +1 312-430-6003 Illinois U.S.A.
  • 3124306004 | +1 312-430-6004 Illinois U.S.A.
  • 3124306005 | +1 312-430-6005 Illinois U.S.A.
  • 3124306006 | +1 312-430-6006 Illinois U.S.A.
  • 3124306007 | +1 312-430-6007 Illinois U.S.A.
  • 3124306008 | +1 312-430-6008 Illinois U.S.A.
  • 3124306009 | +1 312-430-6009 Illinois U.S.A.
  • 3124306010 | +1 312-430-6010 Illinois U.S.A.
  • 3124306011 | +1 312-430-6011 Illinois U.S.A.
  • 3124306012 | +1 312-430-6012 Illinois U.S.A.
  • 3124306013 | +1 312-430-6013 Illinois U.S.A.
  • 3124306014 | +1 312-430-6014 Illinois U.S.A.
  • 3124306015 | +1 312-430-6015 Illinois U.S.A.
  • 3124306016 | +1 312-430-6016 Illinois U.S.A.
  • 3124306017 | +1 312-430-6017 Illinois U.S.A.
  • 3124306018 | +1 312-430-6018 Illinois U.S.A.
  • 3124306019 | +1 312-430-6019 Illinois U.S.A.
  • 3124306020 | +1 312-430-6020 Illinois U.S.A.
  • 3124306021 | +1 312-430-6021 Illinois U.S.A.
  • 3124306022 | +1 312-430-6022 Illinois U.S.A.
  • 3124306023 | +1 312-430-6023 Illinois U.S.A.
  • 3124306024 | +1 312-430-6024 Illinois U.S.A.
  • 3124306025 | +1 312-430-6025 Illinois U.S.A.
  • 3124306026 | +1 312-430-6026 Illinois U.S.A.
  • 3124306027 | +1 312-430-6027 Illinois U.S.A.
  • 3124306028 | +1 312-430-6028 Illinois U.S.A.
  • 3124306029 | +1 312-430-6029 Illinois U.S.A.
  • 3124306030 | +1 312-430-6030 Illinois U.S.A.
  • 3124306031 | +1 312-430-6031 Illinois U.S.A.
  • 3124306032 | +1 312-430-6032 Illinois U.S.A.
  • 3124306033 | +1 312-430-6033 Illinois U.S.A.
  • 3124306034 | +1 312-430-6034 Illinois U.S.A.
  • 3124306035 | +1 312-430-6035 Illinois U.S.A.
  • 3124306036 | +1 312-430-6036 Illinois U.S.A.
  • 3124306037 | +1 312-430-6037 Illinois U.S.A.
  • 3124306038 | +1 312-430-6038 Illinois U.S.A.
  • 3124306039 | +1 312-430-6039 Illinois U.S.A.
  • 3124306040 | +1 312-430-6040 Illinois U.S.A.
  • 3124306041 | +1 312-430-6041 Illinois U.S.A.
  • 3124306042 | +1 312-430-6042 Illinois U.S.A.
  • 3124306043 | +1 312-430-6043 Illinois U.S.A.
  • 3124306044 | +1 312-430-6044 Illinois U.S.A.
  • 3124306045 | +1 312-430-6045 Illinois U.S.A.
  • 3124306046 | +1 312-430-6046 Illinois U.S.A.
  • 3124306047 | +1 312-430-6047 Illinois U.S.A.
  • 3124306048 | +1 312-430-6048 Illinois U.S.A.
  • 3124306049 | +1 312-430-6049 Illinois U.S.A.
  • 3124306050 | +1 312-430-6050 Illinois U.S.A.
  • 3124306051 | +1 312-430-6051 Illinois U.S.A.
  • 3124306052 | +1 312-430-6052 Illinois U.S.A.
  • 3124306053 | +1 312-430-6053 Illinois U.S.A.
  • 3124306054 | +1 312-430-6054 Illinois U.S.A.
  • 3124306055 | +1 312-430-6055 Illinois U.S.A.
  • 3124306056 | +1 312-430-6056 Illinois U.S.A.
  • 3124306057 | +1 312-430-6057 Illinois U.S.A.
  • 3124306058 | +1 312-430-6058 Illinois U.S.A.
  • 3124306059 | +1 312-430-6059 Illinois U.S.A.
  • 3124306060 | +1 312-430-6060 Illinois U.S.A.
  • 3124306061 | +1 312-430-6061 Illinois U.S.A.
  • 3124306062 | +1 312-430-6062 Illinois U.S.A.
  • 3124306063 | +1 312-430-6063 Illinois U.S.A.
  • 3124306064 | +1 312-430-6064 Illinois U.S.A.
  • 3124306065 | +1 312-430-6065 Illinois U.S.A.
  • 3124306066 | +1 312-430-6066 Illinois U.S.A.
  • 3124306067 | +1 312-430-6067 Illinois U.S.A.
  • 3124306068 | +1 312-430-6068 Illinois U.S.A.
  • 3124306069 | +1 312-430-6069 Illinois U.S.A.
  • 3124306070 | +1 312-430-6070 Illinois U.S.A.
  • 3124306071 | +1 312-430-6071 Illinois U.S.A.
  • 3124306072 | +1 312-430-6072 Illinois U.S.A.
  • 3124306073 | +1 312-430-6073 Illinois U.S.A.
  • 3124306074 | +1 312-430-6074 Illinois U.S.A.
  • 3124306075 | +1 312-430-6075 Illinois U.S.A.
  • 3124306076 | +1 312-430-6076 Illinois U.S.A.
  • 3124306077 | +1 312-430-6077 Illinois U.S.A.
  • 3124306078 | +1 312-430-6078 Illinois U.S.A.
  • 3124306079 | +1 312-430-6079 Illinois U.S.A.
  • 3124306080 | +1 312-430-6080 Illinois U.S.A.
  • 3124306081 | +1 312-430-6081 Illinois U.S.A.
  • 3124306082 | +1 312-430-6082 Illinois U.S.A.
  • 3124306083 | +1 312-430-6083 Illinois U.S.A.
  • 3124306084 | +1 312-430-6084 Illinois U.S.A.
  • 3124306085 | +1 312-430-6085 Illinois U.S.A.
  • 3124306086 | +1 312-430-6086 Illinois U.S.A.
  • 3124306087 | +1 312-430-6087 Illinois U.S.A.
  • 3124306088 | +1 312-430-6088 Illinois U.S.A.
  • 3124306089 | +1 312-430-6089 Illinois U.S.A.
  • 3124306090 | +1 312-430-6090 Illinois U.S.A.
  • 3124306091 | +1 312-430-6091 Illinois U.S.A.
  • 3124306092 | +1 312-430-6092 Illinois U.S.A.
  • 3124306093 | +1 312-430-6093 Illinois U.S.A.
  • 3124306094 | +1 312-430-6094 Illinois U.S.A.
  • 3124306095 | +1 312-430-6095 Illinois U.S.A.
  • 3124306096 | +1 312-430-6096 Illinois U.S.A.
  • 3124306097 | +1 312-430-6097 Illinois U.S.A.
  • 3124306098 | +1 312-430-6098 Illinois U.S.A.
  • 3124306099 | +1 312-430-6099 Illinois U.S.A.