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).

  • 3129216000 | +1 312-921-6000 Illinois U.S.A.
  • 3129216001 | +1 312-921-6001 Illinois U.S.A.
  • 3129216002 | +1 312-921-6002 Illinois U.S.A.
  • 3129216003 | +1 312-921-6003 Illinois U.S.A.
  • 3129216004 | +1 312-921-6004 Illinois U.S.A.
  • 3129216005 | +1 312-921-6005 Illinois U.S.A.
  • 3129216006 | +1 312-921-6006 Illinois U.S.A.
  • 3129216007 | +1 312-921-6007 Illinois U.S.A.
  • 3129216008 | +1 312-921-6008 Illinois U.S.A.
  • 3129216009 | +1 312-921-6009 Illinois U.S.A.
  • 3129216010 | +1 312-921-6010 Illinois U.S.A.
  • 3129216011 | +1 312-921-6011 Illinois U.S.A.
  • 3129216012 | +1 312-921-6012 Illinois U.S.A.
  • 3129216013 | +1 312-921-6013 Illinois U.S.A.
  • 3129216014 | +1 312-921-6014 Illinois U.S.A.
  • 3129216015 | +1 312-921-6015 Illinois U.S.A.
  • 3129216016 | +1 312-921-6016 Illinois U.S.A.
  • 3129216017 | +1 312-921-6017 Illinois U.S.A.
  • 3129216018 | +1 312-921-6018 Illinois U.S.A.
  • 3129216019 | +1 312-921-6019 Illinois U.S.A.
  • 3129216020 | +1 312-921-6020 Illinois U.S.A.
  • 3129216021 | +1 312-921-6021 Illinois U.S.A.
  • 3129216022 | +1 312-921-6022 Illinois U.S.A.
  • 3129216023 | +1 312-921-6023 Illinois U.S.A.
  • 3129216024 | +1 312-921-6024 Illinois U.S.A.
  • 3129216025 | +1 312-921-6025 Illinois U.S.A.
  • 3129216026 | +1 312-921-6026 Illinois U.S.A.
  • 3129216027 | +1 312-921-6027 Illinois U.S.A.
  • 3129216028 | +1 312-921-6028 Illinois U.S.A.
  • 3129216029 | +1 312-921-6029 Illinois U.S.A.
  • 3129216030 | +1 312-921-6030 Illinois U.S.A.
  • 3129216031 | +1 312-921-6031 Illinois U.S.A.
  • 3129216032 | +1 312-921-6032 Illinois U.S.A.
  • 3129216033 | +1 312-921-6033 Illinois U.S.A.
  • 3129216034 | +1 312-921-6034 Illinois U.S.A.
  • 3129216035 | +1 312-921-6035 Illinois U.S.A.
  • 3129216036 | +1 312-921-6036 Illinois U.S.A.
  • 3129216037 | +1 312-921-6037 Illinois U.S.A.
  • 3129216038 | +1 312-921-6038 Illinois U.S.A.
  • 3129216039 | +1 312-921-6039 Illinois U.S.A.
  • 3129216040 | +1 312-921-6040 Illinois U.S.A.
  • 3129216041 | +1 312-921-6041 Illinois U.S.A.
  • 3129216042 | +1 312-921-6042 Illinois U.S.A.
  • 3129216043 | +1 312-921-6043 Illinois U.S.A.
  • 3129216044 | +1 312-921-6044 Illinois U.S.A.
  • 3129216045 | +1 312-921-6045 Illinois U.S.A.
  • 3129216046 | +1 312-921-6046 Illinois U.S.A.
  • 3129216047 | +1 312-921-6047 Illinois U.S.A.
  • 3129216048 | +1 312-921-6048 Illinois U.S.A.
  • 3129216049 | +1 312-921-6049 Illinois U.S.A.
  • 3129216050 | +1 312-921-6050 Illinois U.S.A.
  • 3129216051 | +1 312-921-6051 Illinois U.S.A.
  • 3129216052 | +1 312-921-6052 Illinois U.S.A.
  • 3129216053 | +1 312-921-6053 Illinois U.S.A.
  • 3129216054 | +1 312-921-6054 Illinois U.S.A.
  • 3129216055 | +1 312-921-6055 Illinois U.S.A.
  • 3129216056 | +1 312-921-6056 Illinois U.S.A.
  • 3129216057 | +1 312-921-6057 Illinois U.S.A.
  • 3129216058 | +1 312-921-6058 Illinois U.S.A.
  • 3129216059 | +1 312-921-6059 Illinois U.S.A.
  • 3129216060 | +1 312-921-6060 Illinois U.S.A.
  • 3129216061 | +1 312-921-6061 Illinois U.S.A.
  • 3129216062 | +1 312-921-6062 Illinois U.S.A.
  • 3129216063 | +1 312-921-6063 Illinois U.S.A.
  • 3129216064 | +1 312-921-6064 Illinois U.S.A.
  • 3129216065 | +1 312-921-6065 Illinois U.S.A.
  • 3129216066 | +1 312-921-6066 Illinois U.S.A.
  • 3129216067 | +1 312-921-6067 Illinois U.S.A.
  • 3129216068 | +1 312-921-6068 Illinois U.S.A.
  • 3129216069 | +1 312-921-6069 Illinois U.S.A.
  • 3129216070 | +1 312-921-6070 Illinois U.S.A.
  • 3129216071 | +1 312-921-6071 Illinois U.S.A.
  • 3129216072 | +1 312-921-6072 Illinois U.S.A.
  • 3129216073 | +1 312-921-6073 Illinois U.S.A.
  • 3129216074 | +1 312-921-6074 Illinois U.S.A.
  • 3129216075 | +1 312-921-6075 Illinois U.S.A.
  • 3129216076 | +1 312-921-6076 Illinois U.S.A.
  • 3129216077 | +1 312-921-6077 Illinois U.S.A.
  • 3129216078 | +1 312-921-6078 Illinois U.S.A.
  • 3129216079 | +1 312-921-6079 Illinois U.S.A.
  • 3129216080 | +1 312-921-6080 Illinois U.S.A.
  • 3129216081 | +1 312-921-6081 Illinois U.S.A.
  • 3129216082 | +1 312-921-6082 Illinois U.S.A.
  • 3129216083 | +1 312-921-6083 Illinois U.S.A.
  • 3129216084 | +1 312-921-6084 Illinois U.S.A.
  • 3129216085 | +1 312-921-6085 Illinois U.S.A.
  • 3129216086 | +1 312-921-6086 Illinois U.S.A.
  • 3129216087 | +1 312-921-6087 Illinois U.S.A.
  • 3129216088 | +1 312-921-6088 Illinois U.S.A.
  • 3129216089 | +1 312-921-6089 Illinois U.S.A.
  • 3129216090 | +1 312-921-6090 Illinois U.S.A.
  • 3129216091 | +1 312-921-6091 Illinois U.S.A.
  • 3129216092 | +1 312-921-6092 Illinois U.S.A.
  • 3129216093 | +1 312-921-6093 Illinois U.S.A.
  • 3129216094 | +1 312-921-6094 Illinois U.S.A.
  • 3129216095 | +1 312-921-6095 Illinois U.S.A.
  • 3129216096 | +1 312-921-6096 Illinois U.S.A.
  • 3129216097 | +1 312-921-6097 Illinois U.S.A.
  • 3129216098 | +1 312-921-6098 Illinois U.S.A.
  • 3129216099 | +1 312-921-6099 Illinois U.S.A.