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).

  • 3124729000 | +1 312-472-9000 Illinois U.S.A.
  • 3124729001 | +1 312-472-9001 Illinois U.S.A.
  • 3124729002 | +1 312-472-9002 Illinois U.S.A.
  • 3124729003 | +1 312-472-9003 Illinois U.S.A.
  • 3124729004 | +1 312-472-9004 Illinois U.S.A.
  • 3124729005 | +1 312-472-9005 Illinois U.S.A.
  • 3124729006 | +1 312-472-9006 Illinois U.S.A.
  • 3124729007 | +1 312-472-9007 Illinois U.S.A.
  • 3124729008 | +1 312-472-9008 Illinois U.S.A.
  • 3124729009 | +1 312-472-9009 Illinois U.S.A.
  • 3124729010 | +1 312-472-9010 Illinois U.S.A.
  • 3124729011 | +1 312-472-9011 Illinois U.S.A.
  • 3124729012 | +1 312-472-9012 Illinois U.S.A.
  • 3124729013 | +1 312-472-9013 Illinois U.S.A.
  • 3124729014 | +1 312-472-9014 Illinois U.S.A.
  • 3124729015 | +1 312-472-9015 Illinois U.S.A.
  • 3124729016 | +1 312-472-9016 Illinois U.S.A.
  • 3124729017 | +1 312-472-9017 Illinois U.S.A.
  • 3124729018 | +1 312-472-9018 Illinois U.S.A.
  • 3124729019 | +1 312-472-9019 Illinois U.S.A.
  • 3124729020 | +1 312-472-9020 Illinois U.S.A.
  • 3124729021 | +1 312-472-9021 Illinois U.S.A.
  • 3124729022 | +1 312-472-9022 Illinois U.S.A.
  • 3124729023 | +1 312-472-9023 Illinois U.S.A.
  • 3124729024 | +1 312-472-9024 Illinois U.S.A.
  • 3124729025 | +1 312-472-9025 Illinois U.S.A.
  • 3124729026 | +1 312-472-9026 Illinois U.S.A.
  • 3124729027 | +1 312-472-9027 Illinois U.S.A.
  • 3124729028 | +1 312-472-9028 Illinois U.S.A.
  • 3124729029 | +1 312-472-9029 Illinois U.S.A.
  • 3124729030 | +1 312-472-9030 Illinois U.S.A.
  • 3124729031 | +1 312-472-9031 Illinois U.S.A.
  • 3124729032 | +1 312-472-9032 Illinois U.S.A.
  • 3124729033 | +1 312-472-9033 Illinois U.S.A.
  • 3124729034 | +1 312-472-9034 Illinois U.S.A.
  • 3124729035 | +1 312-472-9035 Illinois U.S.A.
  • 3124729036 | +1 312-472-9036 Illinois U.S.A.
  • 3124729037 | +1 312-472-9037 Illinois U.S.A.
  • 3124729038 | +1 312-472-9038 Illinois U.S.A.
  • 3124729039 | +1 312-472-9039 Illinois U.S.A.
  • 3124729040 | +1 312-472-9040 Illinois U.S.A.
  • 3124729041 | +1 312-472-9041 Illinois U.S.A.
  • 3124729042 | +1 312-472-9042 Illinois U.S.A.
  • 3124729043 | +1 312-472-9043 Illinois U.S.A.
  • 3124729044 | +1 312-472-9044 Illinois U.S.A.
  • 3124729045 | +1 312-472-9045 Illinois U.S.A.
  • 3124729046 | +1 312-472-9046 Illinois U.S.A.
  • 3124729047 | +1 312-472-9047 Illinois U.S.A.
  • 3124729048 | +1 312-472-9048 Illinois U.S.A.
  • 3124729049 | +1 312-472-9049 Illinois U.S.A.
  • 3124729050 | +1 312-472-9050 Illinois U.S.A.
  • 3124729051 | +1 312-472-9051 Illinois U.S.A.
  • 3124729052 | +1 312-472-9052 Illinois U.S.A.
  • 3124729053 | +1 312-472-9053 Illinois U.S.A.
  • 3124729054 | +1 312-472-9054 Illinois U.S.A.
  • 3124729055 | +1 312-472-9055 Illinois U.S.A.
  • 3124729056 | +1 312-472-9056 Illinois U.S.A.
  • 3124729057 | +1 312-472-9057 Illinois U.S.A.
  • 3124729058 | +1 312-472-9058 Illinois U.S.A.
  • 3124729059 | +1 312-472-9059 Illinois U.S.A.
  • 3124729060 | +1 312-472-9060 Illinois U.S.A.
  • 3124729061 | +1 312-472-9061 Illinois U.S.A.
  • 3124729062 | +1 312-472-9062 Illinois U.S.A.
  • 3124729063 | +1 312-472-9063 Illinois U.S.A.
  • 3124729064 | +1 312-472-9064 Illinois U.S.A.
  • 3124729065 | +1 312-472-9065 Illinois U.S.A.
  • 3124729066 | +1 312-472-9066 Illinois U.S.A.
  • 3124729067 | +1 312-472-9067 Illinois U.S.A.
  • 3124729068 | +1 312-472-9068 Illinois U.S.A.
  • 3124729069 | +1 312-472-9069 Illinois U.S.A.
  • 3124729070 | +1 312-472-9070 Illinois U.S.A.
  • 3124729071 | +1 312-472-9071 Illinois U.S.A.
  • 3124729072 | +1 312-472-9072 Illinois U.S.A.
  • 3124729073 | +1 312-472-9073 Illinois U.S.A.
  • 3124729074 | +1 312-472-9074 Illinois U.S.A.
  • 3124729075 | +1 312-472-9075 Illinois U.S.A.
  • 3124729076 | +1 312-472-9076 Illinois U.S.A.
  • 3124729077 | +1 312-472-9077 Illinois U.S.A.
  • 3124729078 | +1 312-472-9078 Illinois U.S.A.
  • 3124729079 | +1 312-472-9079 Illinois U.S.A.
  • 3124729080 | +1 312-472-9080 Illinois U.S.A.
  • 3124729081 | +1 312-472-9081 Illinois U.S.A.
  • 3124729082 | +1 312-472-9082 Illinois U.S.A.
  • 3124729083 | +1 312-472-9083 Illinois U.S.A.
  • 3124729084 | +1 312-472-9084 Illinois U.S.A.
  • 3124729085 | +1 312-472-9085 Illinois U.S.A.
  • 3124729086 | +1 312-472-9086 Illinois U.S.A.
  • 3124729087 | +1 312-472-9087 Illinois U.S.A.
  • 3124729088 | +1 312-472-9088 Illinois U.S.A.
  • 3124729089 | +1 312-472-9089 Illinois U.S.A.
  • 3124729090 | +1 312-472-9090 Illinois U.S.A.
  • 3124729091 | +1 312-472-9091 Illinois U.S.A.
  • 3124729092 | +1 312-472-9092 Illinois U.S.A.
  • 3124729093 | +1 312-472-9093 Illinois U.S.A.
  • 3124729094 | +1 312-472-9094 Illinois U.S.A.
  • 3124729095 | +1 312-472-9095 Illinois U.S.A.
  • 3124729096 | +1 312-472-9096 Illinois U.S.A.
  • 3124729097 | +1 312-472-9097 Illinois U.S.A.
  • 3124729098 | +1 312-472-9098 Illinois U.S.A.
  • 3124729099 | +1 312-472-9099 Illinois U.S.A.