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).

  • 3129516000 | +1 312-951-6000 Illinois U.S.A.
  • 3129516001 | +1 312-951-6001 Illinois U.S.A.
  • 3129516002 | +1 312-951-6002 Illinois U.S.A.
  • 3129516003 | +1 312-951-6003 Illinois U.S.A.
  • 3129516004 | +1 312-951-6004 Illinois U.S.A.
  • 3129516005 | +1 312-951-6005 Illinois U.S.A.
  • 3129516006 | +1 312-951-6006 Illinois U.S.A.
  • 3129516007 | +1 312-951-6007 Illinois U.S.A.
  • 3129516008 | +1 312-951-6008 Illinois U.S.A.
  • 3129516009 | +1 312-951-6009 Illinois U.S.A.
  • 3129516010 | +1 312-951-6010 Illinois U.S.A.
  • 3129516011 | +1 312-951-6011 Illinois U.S.A.
  • 3129516012 | +1 312-951-6012 Illinois U.S.A.
  • 3129516013 | +1 312-951-6013 Illinois U.S.A.
  • 3129516014 | +1 312-951-6014 Illinois U.S.A.
  • 3129516015 | +1 312-951-6015 Illinois U.S.A.
  • 3129516016 | +1 312-951-6016 Illinois U.S.A.
  • 3129516017 | +1 312-951-6017 Illinois U.S.A.
  • 3129516018 | +1 312-951-6018 Illinois U.S.A.
  • 3129516019 | +1 312-951-6019 Illinois U.S.A.
  • 3129516020 | +1 312-951-6020 Illinois U.S.A.
  • 3129516021 | +1 312-951-6021 Illinois U.S.A.
  • 3129516022 | +1 312-951-6022 Illinois U.S.A.
  • 3129516023 | +1 312-951-6023 Illinois U.S.A.
  • 3129516024 | +1 312-951-6024 Illinois U.S.A.
  • 3129516025 | +1 312-951-6025 Illinois U.S.A.
  • 3129516026 | +1 312-951-6026 Illinois U.S.A.
  • 3129516027 | +1 312-951-6027 Illinois U.S.A.
  • 3129516028 | +1 312-951-6028 Illinois U.S.A.
  • 3129516029 | +1 312-951-6029 Illinois U.S.A.
  • 3129516030 | +1 312-951-6030 Illinois U.S.A.
  • 3129516031 | +1 312-951-6031 Illinois U.S.A.
  • 3129516032 | +1 312-951-6032 Illinois U.S.A.
  • 3129516033 | +1 312-951-6033 Illinois U.S.A.
  • 3129516034 | +1 312-951-6034 Illinois U.S.A.
  • 3129516035 | +1 312-951-6035 Illinois U.S.A.
  • 3129516036 | +1 312-951-6036 Illinois U.S.A.
  • 3129516037 | +1 312-951-6037 Illinois U.S.A.
  • 3129516038 | +1 312-951-6038 Illinois U.S.A.
  • 3129516039 | +1 312-951-6039 Illinois U.S.A.
  • 3129516040 | +1 312-951-6040 Illinois U.S.A.
  • 3129516041 | +1 312-951-6041 Illinois U.S.A.
  • 3129516042 | +1 312-951-6042 Illinois U.S.A.
  • 3129516043 | +1 312-951-6043 Illinois U.S.A.
  • 3129516044 | +1 312-951-6044 Illinois U.S.A.
  • 3129516045 | +1 312-951-6045 Illinois U.S.A.
  • 3129516046 | +1 312-951-6046 Illinois U.S.A.
  • 3129516047 | +1 312-951-6047 Illinois U.S.A.
  • 3129516048 | +1 312-951-6048 Illinois U.S.A.
  • 3129516049 | +1 312-951-6049 Illinois U.S.A.
  • 3129516050 | +1 312-951-6050 Illinois U.S.A.
  • 3129516051 | +1 312-951-6051 Illinois U.S.A.
  • 3129516052 | +1 312-951-6052 Illinois U.S.A.
  • 3129516053 | +1 312-951-6053 Illinois U.S.A.
  • 3129516054 | +1 312-951-6054 Illinois U.S.A.
  • 3129516055 | +1 312-951-6055 Illinois U.S.A.
  • 3129516056 | +1 312-951-6056 Illinois U.S.A.
  • 3129516057 | +1 312-951-6057 Illinois U.S.A.
  • 3129516058 | +1 312-951-6058 Illinois U.S.A.
  • 3129516059 | +1 312-951-6059 Illinois U.S.A.
  • 3129516060 | +1 312-951-6060 Illinois U.S.A.
  • 3129516061 | +1 312-951-6061 Illinois U.S.A.
  • 3129516062 | +1 312-951-6062 Illinois U.S.A.
  • 3129516063 | +1 312-951-6063 Illinois U.S.A.
  • 3129516064 | +1 312-951-6064 Illinois U.S.A.
  • 3129516065 | +1 312-951-6065 Illinois U.S.A.
  • 3129516066 | +1 312-951-6066 Illinois U.S.A.
  • 3129516067 | +1 312-951-6067 Illinois U.S.A.
  • 3129516068 | +1 312-951-6068 Illinois U.S.A.
  • 3129516069 | +1 312-951-6069 Illinois U.S.A.
  • 3129516070 | +1 312-951-6070 Illinois U.S.A.
  • 3129516071 | +1 312-951-6071 Illinois U.S.A.
  • 3129516072 | +1 312-951-6072 Illinois U.S.A.
  • 3129516073 | +1 312-951-6073 Illinois U.S.A.
  • 3129516074 | +1 312-951-6074 Illinois U.S.A.
  • 3129516075 | +1 312-951-6075 Illinois U.S.A.
  • 3129516076 | +1 312-951-6076 Illinois U.S.A.
  • 3129516077 | +1 312-951-6077 Illinois U.S.A.
  • 3129516078 | +1 312-951-6078 Illinois U.S.A.
  • 3129516079 | +1 312-951-6079 Illinois U.S.A.
  • 3129516080 | +1 312-951-6080 Illinois U.S.A.
  • 3129516081 | +1 312-951-6081 Illinois U.S.A.
  • 3129516082 | +1 312-951-6082 Illinois U.S.A.
  • 3129516083 | +1 312-951-6083 Illinois U.S.A.
  • 3129516084 | +1 312-951-6084 Illinois U.S.A.
  • 3129516085 | +1 312-951-6085 Illinois U.S.A.
  • 3129516086 | +1 312-951-6086 Illinois U.S.A.
  • 3129516087 | +1 312-951-6087 Illinois U.S.A.
  • 3129516088 | +1 312-951-6088 Illinois U.S.A.
  • 3129516089 | +1 312-951-6089 Illinois U.S.A.
  • 3129516090 | +1 312-951-6090 Illinois U.S.A.
  • 3129516091 | +1 312-951-6091 Illinois U.S.A.
  • 3129516092 | +1 312-951-6092 Illinois U.S.A.
  • 3129516093 | +1 312-951-6093 Illinois U.S.A.
  • 3129516094 | +1 312-951-6094 Illinois U.S.A.
  • 3129516095 | +1 312-951-6095 Illinois U.S.A.
  • 3129516096 | +1 312-951-6096 Illinois U.S.A.
  • 3129516097 | +1 312-951-6097 Illinois U.S.A.
  • 3129516098 | +1 312-951-6098 Illinois U.S.A.
  • 3129516099 | +1 312-951-6099 Illinois U.S.A.