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).

  • 3125037000 | +1 312-503-7000 Illinois U.S.A.
  • 3125037001 | +1 312-503-7001 Illinois U.S.A.
  • 3125037002 | +1 312-503-7002 Illinois U.S.A.
  • 3125037003 | +1 312-503-7003 Illinois U.S.A.
  • 3125037004 | +1 312-503-7004 Illinois U.S.A.
  • 3125037005 | +1 312-503-7005 Illinois U.S.A.
  • 3125037006 | +1 312-503-7006 Illinois U.S.A.
  • 3125037007 | +1 312-503-7007 Illinois U.S.A.
  • 3125037008 | +1 312-503-7008 Illinois U.S.A.
  • 3125037009 | +1 312-503-7009 Illinois U.S.A.
  • 3125037010 | +1 312-503-7010 Illinois U.S.A.
  • 3125037011 | +1 312-503-7011 Illinois U.S.A.
  • 3125037012 | +1 312-503-7012 Illinois U.S.A.
  • 3125037013 | +1 312-503-7013 Illinois U.S.A.
  • 3125037014 | +1 312-503-7014 Illinois U.S.A.
  • 3125037015 | +1 312-503-7015 Illinois U.S.A.
  • 3125037016 | +1 312-503-7016 Illinois U.S.A.
  • 3125037017 | +1 312-503-7017 Illinois U.S.A.
  • 3125037018 | +1 312-503-7018 Illinois U.S.A.
  • 3125037019 | +1 312-503-7019 Illinois U.S.A.
  • 3125037020 | +1 312-503-7020 Illinois U.S.A.
  • 3125037021 | +1 312-503-7021 Illinois U.S.A.
  • 3125037022 | +1 312-503-7022 Illinois U.S.A.
  • 3125037023 | +1 312-503-7023 Illinois U.S.A.
  • 3125037024 | +1 312-503-7024 Illinois U.S.A.
  • 3125037025 | +1 312-503-7025 Illinois U.S.A.
  • 3125037026 | +1 312-503-7026 Illinois U.S.A.
  • 3125037027 | +1 312-503-7027 Illinois U.S.A.
  • 3125037028 | +1 312-503-7028 Illinois U.S.A.
  • 3125037029 | +1 312-503-7029 Illinois U.S.A.
  • 3125037030 | +1 312-503-7030 Illinois U.S.A.
  • 3125037031 | +1 312-503-7031 Illinois U.S.A.
  • 3125037032 | +1 312-503-7032 Illinois U.S.A.
  • 3125037033 | +1 312-503-7033 Illinois U.S.A.
  • 3125037034 | +1 312-503-7034 Illinois U.S.A.
  • 3125037035 | +1 312-503-7035 Illinois U.S.A.
  • 3125037036 | +1 312-503-7036 Illinois U.S.A.
  • 3125037037 | +1 312-503-7037 Illinois U.S.A.
  • 3125037038 | +1 312-503-7038 Illinois U.S.A.
  • 3125037039 | +1 312-503-7039 Illinois U.S.A.
  • 3125037040 | +1 312-503-7040 Illinois U.S.A.
  • 3125037041 | +1 312-503-7041 Illinois U.S.A.
  • 3125037042 | +1 312-503-7042 Illinois U.S.A.
  • 3125037043 | +1 312-503-7043 Illinois U.S.A.
  • 3125037044 | +1 312-503-7044 Illinois U.S.A.
  • 3125037045 | +1 312-503-7045 Illinois U.S.A.
  • 3125037046 | +1 312-503-7046 Illinois U.S.A.
  • 3125037047 | +1 312-503-7047 Illinois U.S.A.
  • 3125037048 | +1 312-503-7048 Illinois U.S.A.
  • 3125037049 | +1 312-503-7049 Illinois U.S.A.
  • 3125037050 | +1 312-503-7050 Illinois U.S.A.
  • 3125037051 | +1 312-503-7051 Illinois U.S.A.
  • 3125037052 | +1 312-503-7052 Illinois U.S.A.
  • 3125037053 | +1 312-503-7053 Illinois U.S.A.
  • 3125037054 | +1 312-503-7054 Illinois U.S.A.
  • 3125037055 | +1 312-503-7055 Illinois U.S.A.
  • 3125037056 | +1 312-503-7056 Illinois U.S.A.
  • 3125037057 | +1 312-503-7057 Illinois U.S.A.
  • 3125037058 | +1 312-503-7058 Illinois U.S.A.
  • 3125037059 | +1 312-503-7059 Illinois U.S.A.
  • 3125037060 | +1 312-503-7060 Illinois U.S.A.
  • 3125037061 | +1 312-503-7061 Illinois U.S.A.
  • 3125037062 | +1 312-503-7062 Illinois U.S.A.
  • 3125037063 | +1 312-503-7063 Illinois U.S.A.
  • 3125037064 | +1 312-503-7064 Illinois U.S.A.
  • 3125037065 | +1 312-503-7065 Illinois U.S.A.
  • 3125037066 | +1 312-503-7066 Illinois U.S.A.
  • 3125037067 | +1 312-503-7067 Illinois U.S.A.
  • 3125037068 | +1 312-503-7068 Illinois U.S.A.
  • 3125037069 | +1 312-503-7069 Illinois U.S.A.
  • 3125037070 | +1 312-503-7070 Illinois U.S.A.
  • 3125037071 | +1 312-503-7071 Illinois U.S.A.
  • 3125037072 | +1 312-503-7072 Illinois U.S.A.
  • 3125037073 | +1 312-503-7073 Illinois U.S.A.
  • 3125037074 | +1 312-503-7074 Illinois U.S.A.
  • 3125037075 | +1 312-503-7075 Illinois U.S.A.
  • 3125037076 | +1 312-503-7076 Illinois U.S.A.
  • 3125037077 | +1 312-503-7077 Illinois U.S.A.
  • 3125037078 | +1 312-503-7078 Illinois U.S.A.
  • 3125037079 | +1 312-503-7079 Illinois U.S.A.
  • 3125037080 | +1 312-503-7080 Illinois U.S.A.
  • 3125037081 | +1 312-503-7081 Illinois U.S.A.
  • 3125037082 | +1 312-503-7082 Illinois U.S.A.
  • 3125037083 | +1 312-503-7083 Illinois U.S.A.
  • 3125037084 | +1 312-503-7084 Illinois U.S.A.
  • 3125037085 | +1 312-503-7085 Illinois U.S.A.
  • 3125037086 | +1 312-503-7086 Illinois U.S.A.
  • 3125037087 | +1 312-503-7087 Illinois U.S.A.
  • 3125037088 | +1 312-503-7088 Illinois U.S.A.
  • 3125037089 | +1 312-503-7089 Illinois U.S.A.
  • 3125037090 | +1 312-503-7090 Illinois U.S.A.
  • 3125037091 | +1 312-503-7091 Illinois U.S.A.
  • 3125037092 | +1 312-503-7092 Illinois U.S.A.
  • 3125037093 | +1 312-503-7093 Illinois U.S.A.
  • 3125037094 | +1 312-503-7094 Illinois U.S.A.
  • 3125037095 | +1 312-503-7095 Illinois U.S.A.
  • 3125037096 | +1 312-503-7096 Illinois U.S.A.
  • 3125037097 | +1 312-503-7097 Illinois U.S.A.
  • 3125037098 | +1 312-503-7098 Illinois U.S.A.
  • 3125037099 | +1 312-503-7099 Illinois U.S.A.