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).

  • 3123806000 | +1 312-380-6000 Illinois U.S.A.
  • 3123806001 | +1 312-380-6001 Illinois U.S.A.
  • 3123806002 | +1 312-380-6002 Illinois U.S.A.
  • 3123806003 | +1 312-380-6003 Illinois U.S.A.
  • 3123806004 | +1 312-380-6004 Illinois U.S.A.
  • 3123806005 | +1 312-380-6005 Illinois U.S.A.
  • 3123806006 | +1 312-380-6006 Illinois U.S.A.
  • 3123806007 | +1 312-380-6007 Illinois U.S.A.
  • 3123806008 | +1 312-380-6008 Illinois U.S.A.
  • 3123806009 | +1 312-380-6009 Illinois U.S.A.
  • 3123806010 | +1 312-380-6010 Illinois U.S.A.
  • 3123806011 | +1 312-380-6011 Illinois U.S.A.
  • 3123806012 | +1 312-380-6012 Illinois U.S.A.
  • 3123806013 | +1 312-380-6013 Illinois U.S.A.
  • 3123806014 | +1 312-380-6014 Illinois U.S.A.
  • 3123806015 | +1 312-380-6015 Illinois U.S.A.
  • 3123806016 | +1 312-380-6016 Illinois U.S.A.
  • 3123806017 | +1 312-380-6017 Illinois U.S.A.
  • 3123806018 | +1 312-380-6018 Illinois U.S.A.
  • 3123806019 | +1 312-380-6019 Illinois U.S.A.
  • 3123806020 | +1 312-380-6020 Illinois U.S.A.
  • 3123806021 | +1 312-380-6021 Illinois U.S.A.
  • 3123806022 | +1 312-380-6022 Illinois U.S.A.
  • 3123806023 | +1 312-380-6023 Illinois U.S.A.
  • 3123806024 | +1 312-380-6024 Illinois U.S.A.
  • 3123806025 | +1 312-380-6025 Illinois U.S.A.
  • 3123806026 | +1 312-380-6026 Illinois U.S.A.
  • 3123806027 | +1 312-380-6027 Illinois U.S.A.
  • 3123806028 | +1 312-380-6028 Illinois U.S.A.
  • 3123806029 | +1 312-380-6029 Illinois U.S.A.
  • 3123806030 | +1 312-380-6030 Illinois U.S.A.
  • 3123806031 | +1 312-380-6031 Illinois U.S.A.
  • 3123806032 | +1 312-380-6032 Illinois U.S.A.
  • 3123806033 | +1 312-380-6033 Illinois U.S.A.
  • 3123806034 | +1 312-380-6034 Illinois U.S.A.
  • 3123806035 | +1 312-380-6035 Illinois U.S.A.
  • 3123806036 | +1 312-380-6036 Illinois U.S.A.
  • 3123806037 | +1 312-380-6037 Illinois U.S.A.
  • 3123806038 | +1 312-380-6038 Illinois U.S.A.
  • 3123806039 | +1 312-380-6039 Illinois U.S.A.
  • 3123806040 | +1 312-380-6040 Illinois U.S.A.
  • 3123806041 | +1 312-380-6041 Illinois U.S.A.
  • 3123806042 | +1 312-380-6042 Illinois U.S.A.
  • 3123806043 | +1 312-380-6043 Illinois U.S.A.
  • 3123806044 | +1 312-380-6044 Illinois U.S.A.
  • 3123806045 | +1 312-380-6045 Illinois U.S.A.
  • 3123806046 | +1 312-380-6046 Illinois U.S.A.
  • 3123806047 | +1 312-380-6047 Illinois U.S.A.
  • 3123806048 | +1 312-380-6048 Illinois U.S.A.
  • 3123806049 | +1 312-380-6049 Illinois U.S.A.
  • 3123806050 | +1 312-380-6050 Illinois U.S.A.
  • 3123806051 | +1 312-380-6051 Illinois U.S.A.
  • 3123806052 | +1 312-380-6052 Illinois U.S.A.
  • 3123806053 | +1 312-380-6053 Illinois U.S.A.
  • 3123806054 | +1 312-380-6054 Illinois U.S.A.
  • 3123806055 | +1 312-380-6055 Illinois U.S.A.
  • 3123806056 | +1 312-380-6056 Illinois U.S.A.
  • 3123806057 | +1 312-380-6057 Illinois U.S.A.
  • 3123806058 | +1 312-380-6058 Illinois U.S.A.
  • 3123806059 | +1 312-380-6059 Illinois U.S.A.
  • 3123806060 | +1 312-380-6060 Illinois U.S.A.
  • 3123806061 | +1 312-380-6061 Illinois U.S.A.
  • 3123806062 | +1 312-380-6062 Illinois U.S.A.
  • 3123806063 | +1 312-380-6063 Illinois U.S.A.
  • 3123806064 | +1 312-380-6064 Illinois U.S.A.
  • 3123806065 | +1 312-380-6065 Illinois U.S.A.
  • 3123806066 | +1 312-380-6066 Illinois U.S.A.
  • 3123806067 | +1 312-380-6067 Illinois U.S.A.
  • 3123806068 | +1 312-380-6068 Illinois U.S.A.
  • 3123806069 | +1 312-380-6069 Illinois U.S.A.
  • 3123806070 | +1 312-380-6070 Illinois U.S.A.
  • 3123806071 | +1 312-380-6071 Illinois U.S.A.
  • 3123806072 | +1 312-380-6072 Illinois U.S.A.
  • 3123806073 | +1 312-380-6073 Illinois U.S.A.
  • 3123806074 | +1 312-380-6074 Illinois U.S.A.
  • 3123806075 | +1 312-380-6075 Illinois U.S.A.
  • 3123806076 | +1 312-380-6076 Illinois U.S.A.
  • 3123806077 | +1 312-380-6077 Illinois U.S.A.
  • 3123806078 | +1 312-380-6078 Illinois U.S.A.
  • 3123806079 | +1 312-380-6079 Illinois U.S.A.
  • 3123806080 | +1 312-380-6080 Illinois U.S.A.
  • 3123806081 | +1 312-380-6081 Illinois U.S.A.
  • 3123806082 | +1 312-380-6082 Illinois U.S.A.
  • 3123806083 | +1 312-380-6083 Illinois U.S.A.
  • 3123806084 | +1 312-380-6084 Illinois U.S.A.
  • 3123806085 | +1 312-380-6085 Illinois U.S.A.
  • 3123806086 | +1 312-380-6086 Illinois U.S.A.
  • 3123806087 | +1 312-380-6087 Illinois U.S.A.
  • 3123806088 | +1 312-380-6088 Illinois U.S.A.
  • 3123806089 | +1 312-380-6089 Illinois U.S.A.
  • 3123806090 | +1 312-380-6090 Illinois U.S.A.
  • 3123806091 | +1 312-380-6091 Illinois U.S.A.
  • 3123806092 | +1 312-380-6092 Illinois U.S.A.
  • 3123806093 | +1 312-380-6093 Illinois U.S.A.
  • 3123806094 | +1 312-380-6094 Illinois U.S.A.
  • 3123806095 | +1 312-380-6095 Illinois U.S.A.
  • 3123806096 | +1 312-380-6096 Illinois U.S.A.
  • 3123806097 | +1 312-380-6097 Illinois U.S.A.
  • 3123806098 | +1 312-380-6098 Illinois U.S.A.
  • 3123806099 | +1 312-380-6099 Illinois U.S.A.