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).

  • 3127016000 | +1 312-701-6000 Illinois U.S.A.
  • 3127016001 | +1 312-701-6001 Illinois U.S.A.
  • 3127016002 | +1 312-701-6002 Illinois U.S.A.
  • 3127016003 | +1 312-701-6003 Illinois U.S.A.
  • 3127016004 | +1 312-701-6004 Illinois U.S.A.
  • 3127016005 | +1 312-701-6005 Illinois U.S.A.
  • 3127016006 | +1 312-701-6006 Illinois U.S.A.
  • 3127016007 | +1 312-701-6007 Illinois U.S.A.
  • 3127016008 | +1 312-701-6008 Illinois U.S.A.
  • 3127016009 | +1 312-701-6009 Illinois U.S.A.
  • 3127016010 | +1 312-701-6010 Illinois U.S.A.
  • 3127016011 | +1 312-701-6011 Illinois U.S.A.
  • 3127016012 | +1 312-701-6012 Illinois U.S.A.
  • 3127016013 | +1 312-701-6013 Illinois U.S.A.
  • 3127016014 | +1 312-701-6014 Illinois U.S.A.
  • 3127016015 | +1 312-701-6015 Illinois U.S.A.
  • 3127016016 | +1 312-701-6016 Illinois U.S.A.
  • 3127016017 | +1 312-701-6017 Illinois U.S.A.
  • 3127016018 | +1 312-701-6018 Illinois U.S.A.
  • 3127016019 | +1 312-701-6019 Illinois U.S.A.
  • 3127016020 | +1 312-701-6020 Illinois U.S.A.
  • 3127016021 | +1 312-701-6021 Illinois U.S.A.
  • 3127016022 | +1 312-701-6022 Illinois U.S.A.
  • 3127016023 | +1 312-701-6023 Illinois U.S.A.
  • 3127016024 | +1 312-701-6024 Illinois U.S.A.
  • 3127016025 | +1 312-701-6025 Illinois U.S.A.
  • 3127016026 | +1 312-701-6026 Illinois U.S.A.
  • 3127016027 | +1 312-701-6027 Illinois U.S.A.
  • 3127016028 | +1 312-701-6028 Illinois U.S.A.
  • 3127016029 | +1 312-701-6029 Illinois U.S.A.
  • 3127016030 | +1 312-701-6030 Illinois U.S.A.
  • 3127016031 | +1 312-701-6031 Illinois U.S.A.
  • 3127016032 | +1 312-701-6032 Illinois U.S.A.
  • 3127016033 | +1 312-701-6033 Illinois U.S.A.
  • 3127016034 | +1 312-701-6034 Illinois U.S.A.
  • 3127016035 | +1 312-701-6035 Illinois U.S.A.
  • 3127016036 | +1 312-701-6036 Illinois U.S.A.
  • 3127016037 | +1 312-701-6037 Illinois U.S.A.
  • 3127016038 | +1 312-701-6038 Illinois U.S.A.
  • 3127016039 | +1 312-701-6039 Illinois U.S.A.
  • 3127016040 | +1 312-701-6040 Illinois U.S.A.
  • 3127016041 | +1 312-701-6041 Illinois U.S.A.
  • 3127016042 | +1 312-701-6042 Illinois U.S.A.
  • 3127016043 | +1 312-701-6043 Illinois U.S.A.
  • 3127016044 | +1 312-701-6044 Illinois U.S.A.
  • 3127016045 | +1 312-701-6045 Illinois U.S.A.
  • 3127016046 | +1 312-701-6046 Illinois U.S.A.
  • 3127016047 | +1 312-701-6047 Illinois U.S.A.
  • 3127016048 | +1 312-701-6048 Illinois U.S.A.
  • 3127016049 | +1 312-701-6049 Illinois U.S.A.
  • 3127016050 | +1 312-701-6050 Illinois U.S.A.
  • 3127016051 | +1 312-701-6051 Illinois U.S.A.
  • 3127016052 | +1 312-701-6052 Illinois U.S.A.
  • 3127016053 | +1 312-701-6053 Illinois U.S.A.
  • 3127016054 | +1 312-701-6054 Illinois U.S.A.
  • 3127016055 | +1 312-701-6055 Illinois U.S.A.
  • 3127016056 | +1 312-701-6056 Illinois U.S.A.
  • 3127016057 | +1 312-701-6057 Illinois U.S.A.
  • 3127016058 | +1 312-701-6058 Illinois U.S.A.
  • 3127016059 | +1 312-701-6059 Illinois U.S.A.
  • 3127016060 | +1 312-701-6060 Illinois U.S.A.
  • 3127016061 | +1 312-701-6061 Illinois U.S.A.
  • 3127016062 | +1 312-701-6062 Illinois U.S.A.
  • 3127016063 | +1 312-701-6063 Illinois U.S.A.
  • 3127016064 | +1 312-701-6064 Illinois U.S.A.
  • 3127016065 | +1 312-701-6065 Illinois U.S.A.
  • 3127016066 | +1 312-701-6066 Illinois U.S.A.
  • 3127016067 | +1 312-701-6067 Illinois U.S.A.
  • 3127016068 | +1 312-701-6068 Illinois U.S.A.
  • 3127016069 | +1 312-701-6069 Illinois U.S.A.
  • 3127016070 | +1 312-701-6070 Illinois U.S.A.
  • 3127016071 | +1 312-701-6071 Illinois U.S.A.
  • 3127016072 | +1 312-701-6072 Illinois U.S.A.
  • 3127016073 | +1 312-701-6073 Illinois U.S.A.
  • 3127016074 | +1 312-701-6074 Illinois U.S.A.
  • 3127016075 | +1 312-701-6075 Illinois U.S.A.
  • 3127016076 | +1 312-701-6076 Illinois U.S.A.
  • 3127016077 | +1 312-701-6077 Illinois U.S.A.
  • 3127016078 | +1 312-701-6078 Illinois U.S.A.
  • 3127016079 | +1 312-701-6079 Illinois U.S.A.
  • 3127016080 | +1 312-701-6080 Illinois U.S.A.
  • 3127016081 | +1 312-701-6081 Illinois U.S.A.
  • 3127016082 | +1 312-701-6082 Illinois U.S.A.
  • 3127016083 | +1 312-701-6083 Illinois U.S.A.
  • 3127016084 | +1 312-701-6084 Illinois U.S.A.
  • 3127016085 | +1 312-701-6085 Illinois U.S.A.
  • 3127016086 | +1 312-701-6086 Illinois U.S.A.
  • 3127016087 | +1 312-701-6087 Illinois U.S.A.
  • 3127016088 | +1 312-701-6088 Illinois U.S.A.
  • 3127016089 | +1 312-701-6089 Illinois U.S.A.
  • 3127016090 | +1 312-701-6090 Illinois U.S.A.
  • 3127016091 | +1 312-701-6091 Illinois U.S.A.
  • 3127016092 | +1 312-701-6092 Illinois U.S.A.
  • 3127016093 | +1 312-701-6093 Illinois U.S.A.
  • 3127016094 | +1 312-701-6094 Illinois U.S.A.
  • 3127016095 | +1 312-701-6095 Illinois U.S.A.
  • 3127016096 | +1 312-701-6096 Illinois U.S.A.
  • 3127016097 | +1 312-701-6097 Illinois U.S.A.
  • 3127016098 | +1 312-701-6098 Illinois U.S.A.
  • 3127016099 | +1 312-701-6099 Illinois U.S.A.