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).

  • 3123377000 | +1 312-337-7000 Illinois U.S.A.
  • 3123377001 | +1 312-337-7001 Illinois U.S.A.
  • 3123377002 | +1 312-337-7002 Illinois U.S.A.
  • 3123377003 | +1 312-337-7003 Illinois U.S.A.
  • 3123377004 | +1 312-337-7004 Illinois U.S.A.
  • 3123377005 | +1 312-337-7005 Illinois U.S.A.
  • 3123377006 | +1 312-337-7006 Illinois U.S.A.
  • 3123377007 | +1 312-337-7007 Illinois U.S.A.
  • 3123377008 | +1 312-337-7008 Illinois U.S.A.
  • 3123377009 | +1 312-337-7009 Illinois U.S.A.
  • 3123377010 | +1 312-337-7010 Illinois U.S.A.
  • 3123377011 | +1 312-337-7011 Illinois U.S.A.
  • 3123377012 | +1 312-337-7012 Illinois U.S.A.
  • 3123377013 | +1 312-337-7013 Illinois U.S.A.
  • 3123377014 | +1 312-337-7014 Illinois U.S.A.
  • 3123377015 | +1 312-337-7015 Illinois U.S.A.
  • 3123377016 | +1 312-337-7016 Illinois U.S.A.
  • 3123377017 | +1 312-337-7017 Illinois U.S.A.
  • 3123377018 | +1 312-337-7018 Illinois U.S.A.
  • 3123377019 | +1 312-337-7019 Illinois U.S.A.
  • 3123377020 | +1 312-337-7020 Illinois U.S.A.
  • 3123377021 | +1 312-337-7021 Illinois U.S.A.
  • 3123377022 | +1 312-337-7022 Illinois U.S.A.
  • 3123377023 | +1 312-337-7023 Illinois U.S.A.
  • 3123377024 | +1 312-337-7024 Illinois U.S.A.
  • 3123377025 | +1 312-337-7025 Illinois U.S.A.
  • 3123377026 | +1 312-337-7026 Illinois U.S.A.
  • 3123377027 | +1 312-337-7027 Illinois U.S.A.
  • 3123377028 | +1 312-337-7028 Illinois U.S.A.
  • 3123377029 | +1 312-337-7029 Illinois U.S.A.
  • 3123377030 | +1 312-337-7030 Illinois U.S.A.
  • 3123377031 | +1 312-337-7031 Illinois U.S.A.
  • 3123377032 | +1 312-337-7032 Illinois U.S.A.
  • 3123377033 | +1 312-337-7033 Illinois U.S.A.
  • 3123377034 | +1 312-337-7034 Illinois U.S.A.
  • 3123377035 | +1 312-337-7035 Illinois U.S.A.
  • 3123377036 | +1 312-337-7036 Illinois U.S.A.
  • 3123377037 | +1 312-337-7037 Illinois U.S.A.
  • 3123377038 | +1 312-337-7038 Illinois U.S.A.
  • 3123377039 | +1 312-337-7039 Illinois U.S.A.
  • 3123377040 | +1 312-337-7040 Illinois U.S.A.
  • 3123377041 | +1 312-337-7041 Illinois U.S.A.
  • 3123377042 | +1 312-337-7042 Illinois U.S.A.
  • 3123377043 | +1 312-337-7043 Illinois U.S.A.
  • 3123377044 | +1 312-337-7044 Illinois U.S.A.
  • 3123377045 | +1 312-337-7045 Illinois U.S.A.
  • 3123377046 | +1 312-337-7046 Illinois U.S.A.
  • 3123377047 | +1 312-337-7047 Illinois U.S.A.
  • 3123377048 | +1 312-337-7048 Illinois U.S.A.
  • 3123377049 | +1 312-337-7049 Illinois U.S.A.
  • 3123377050 | +1 312-337-7050 Illinois U.S.A.
  • 3123377051 | +1 312-337-7051 Illinois U.S.A.
  • 3123377052 | +1 312-337-7052 Illinois U.S.A.
  • 3123377053 | +1 312-337-7053 Illinois U.S.A.
  • 3123377054 | +1 312-337-7054 Illinois U.S.A.
  • 3123377055 | +1 312-337-7055 Illinois U.S.A.
  • 3123377056 | +1 312-337-7056 Illinois U.S.A.
  • 3123377057 | +1 312-337-7057 Illinois U.S.A.
  • 3123377058 | +1 312-337-7058 Illinois U.S.A.
  • 3123377059 | +1 312-337-7059 Illinois U.S.A.
  • 3123377060 | +1 312-337-7060 Illinois U.S.A.
  • 3123377061 | +1 312-337-7061 Illinois U.S.A.
  • 3123377062 | +1 312-337-7062 Illinois U.S.A.
  • 3123377063 | +1 312-337-7063 Illinois U.S.A.
  • 3123377064 | +1 312-337-7064 Illinois U.S.A.
  • 3123377065 | +1 312-337-7065 Illinois U.S.A.
  • 3123377066 | +1 312-337-7066 Illinois U.S.A.
  • 3123377067 | +1 312-337-7067 Illinois U.S.A.
  • 3123377068 | +1 312-337-7068 Illinois U.S.A.
  • 3123377069 | +1 312-337-7069 Illinois U.S.A.
  • 3123377070 | +1 312-337-7070 Illinois U.S.A.
  • 3123377071 | +1 312-337-7071 Illinois U.S.A.
  • 3123377072 | +1 312-337-7072 Illinois U.S.A.
  • 3123377073 | +1 312-337-7073 Illinois U.S.A.
  • 3123377074 | +1 312-337-7074 Illinois U.S.A.
  • 3123377075 | +1 312-337-7075 Illinois U.S.A.
  • 3123377076 | +1 312-337-7076 Illinois U.S.A.
  • 3123377077 | +1 312-337-7077 Illinois U.S.A.
  • 3123377078 | +1 312-337-7078 Illinois U.S.A.
  • 3123377079 | +1 312-337-7079 Illinois U.S.A.
  • 3123377080 | +1 312-337-7080 Illinois U.S.A.
  • 3123377081 | +1 312-337-7081 Illinois U.S.A.
  • 3123377082 | +1 312-337-7082 Illinois U.S.A.
  • 3123377083 | +1 312-337-7083 Illinois U.S.A.
  • 3123377084 | +1 312-337-7084 Illinois U.S.A.
  • 3123377085 | +1 312-337-7085 Illinois U.S.A.
  • 3123377086 | +1 312-337-7086 Illinois U.S.A.
  • 3123377087 | +1 312-337-7087 Illinois U.S.A.
  • 3123377088 | +1 312-337-7088 Illinois U.S.A.
  • 3123377089 | +1 312-337-7089 Illinois U.S.A.
  • 3123377090 | +1 312-337-7090 Illinois U.S.A.
  • 3123377091 | +1 312-337-7091 Illinois U.S.A.
  • 3123377092 | +1 312-337-7092 Illinois U.S.A.
  • 3123377093 | +1 312-337-7093 Illinois U.S.A.
  • 3123377094 | +1 312-337-7094 Illinois U.S.A.
  • 3123377095 | +1 312-337-7095 Illinois U.S.A.
  • 3123377096 | +1 312-337-7096 Illinois U.S.A.
  • 3123377097 | +1 312-337-7097 Illinois U.S.A.
  • 3123377098 | +1 312-337-7098 Illinois U.S.A.
  • 3123377099 | +1 312-337-7099 Illinois U.S.A.