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).

  • 3124647000 | +1 312-464-7000 Illinois U.S.A.
  • 3124647001 | +1 312-464-7001 Illinois U.S.A.
  • 3124647002 | +1 312-464-7002 Illinois U.S.A.
  • 3124647003 | +1 312-464-7003 Illinois U.S.A.
  • 3124647004 | +1 312-464-7004 Illinois U.S.A.
  • 3124647005 | +1 312-464-7005 Illinois U.S.A.
  • 3124647006 | +1 312-464-7006 Illinois U.S.A.
  • 3124647007 | +1 312-464-7007 Illinois U.S.A.
  • 3124647008 | +1 312-464-7008 Illinois U.S.A.
  • 3124647009 | +1 312-464-7009 Illinois U.S.A.
  • 3124647010 | +1 312-464-7010 Illinois U.S.A.
  • 3124647011 | +1 312-464-7011 Illinois U.S.A.
  • 3124647012 | +1 312-464-7012 Illinois U.S.A.
  • 3124647013 | +1 312-464-7013 Illinois U.S.A.
  • 3124647014 | +1 312-464-7014 Illinois U.S.A.
  • 3124647015 | +1 312-464-7015 Illinois U.S.A.
  • 3124647016 | +1 312-464-7016 Illinois U.S.A.
  • 3124647017 | +1 312-464-7017 Illinois U.S.A.
  • 3124647018 | +1 312-464-7018 Illinois U.S.A.
  • 3124647019 | +1 312-464-7019 Illinois U.S.A.
  • 3124647020 | +1 312-464-7020 Illinois U.S.A.
  • 3124647021 | +1 312-464-7021 Illinois U.S.A.
  • 3124647022 | +1 312-464-7022 Illinois U.S.A.
  • 3124647023 | +1 312-464-7023 Illinois U.S.A.
  • 3124647024 | +1 312-464-7024 Illinois U.S.A.
  • 3124647025 | +1 312-464-7025 Illinois U.S.A.
  • 3124647026 | +1 312-464-7026 Illinois U.S.A.
  • 3124647027 | +1 312-464-7027 Illinois U.S.A.
  • 3124647028 | +1 312-464-7028 Illinois U.S.A.
  • 3124647029 | +1 312-464-7029 Illinois U.S.A.
  • 3124647030 | +1 312-464-7030 Illinois U.S.A.
  • 3124647031 | +1 312-464-7031 Illinois U.S.A.
  • 3124647032 | +1 312-464-7032 Illinois U.S.A.
  • 3124647033 | +1 312-464-7033 Illinois U.S.A.
  • 3124647034 | +1 312-464-7034 Illinois U.S.A.
  • 3124647035 | +1 312-464-7035 Illinois U.S.A.
  • 3124647036 | +1 312-464-7036 Illinois U.S.A.
  • 3124647037 | +1 312-464-7037 Illinois U.S.A.
  • 3124647038 | +1 312-464-7038 Illinois U.S.A.
  • 3124647039 | +1 312-464-7039 Illinois U.S.A.
  • 3124647040 | +1 312-464-7040 Illinois U.S.A.
  • 3124647041 | +1 312-464-7041 Illinois U.S.A.
  • 3124647042 | +1 312-464-7042 Illinois U.S.A.
  • 3124647043 | +1 312-464-7043 Illinois U.S.A.
  • 3124647044 | +1 312-464-7044 Illinois U.S.A.
  • 3124647045 | +1 312-464-7045 Illinois U.S.A.
  • 3124647046 | +1 312-464-7046 Illinois U.S.A.
  • 3124647047 | +1 312-464-7047 Illinois U.S.A.
  • 3124647048 | +1 312-464-7048 Illinois U.S.A.
  • 3124647049 | +1 312-464-7049 Illinois U.S.A.
  • 3124647050 | +1 312-464-7050 Illinois U.S.A.
  • 3124647051 | +1 312-464-7051 Illinois U.S.A.
  • 3124647052 | +1 312-464-7052 Illinois U.S.A.
  • 3124647053 | +1 312-464-7053 Illinois U.S.A.
  • 3124647054 | +1 312-464-7054 Illinois U.S.A.
  • 3124647055 | +1 312-464-7055 Illinois U.S.A.
  • 3124647056 | +1 312-464-7056 Illinois U.S.A.
  • 3124647057 | +1 312-464-7057 Illinois U.S.A.
  • 3124647058 | +1 312-464-7058 Illinois U.S.A.
  • 3124647059 | +1 312-464-7059 Illinois U.S.A.
  • 3124647060 | +1 312-464-7060 Illinois U.S.A.
  • 3124647061 | +1 312-464-7061 Illinois U.S.A.
  • 3124647062 | +1 312-464-7062 Illinois U.S.A.
  • 3124647063 | +1 312-464-7063 Illinois U.S.A.
  • 3124647064 | +1 312-464-7064 Illinois U.S.A.
  • 3124647065 | +1 312-464-7065 Illinois U.S.A.
  • 3124647066 | +1 312-464-7066 Illinois U.S.A.
  • 3124647067 | +1 312-464-7067 Illinois U.S.A.
  • 3124647068 | +1 312-464-7068 Illinois U.S.A.
  • 3124647069 | +1 312-464-7069 Illinois U.S.A.
  • 3124647070 | +1 312-464-7070 Illinois U.S.A.
  • 3124647071 | +1 312-464-7071 Illinois U.S.A.
  • 3124647072 | +1 312-464-7072 Illinois U.S.A.
  • 3124647073 | +1 312-464-7073 Illinois U.S.A.
  • 3124647074 | +1 312-464-7074 Illinois U.S.A.
  • 3124647075 | +1 312-464-7075 Illinois U.S.A.
  • 3124647076 | +1 312-464-7076 Illinois U.S.A.
  • 3124647077 | +1 312-464-7077 Illinois U.S.A.
  • 3124647078 | +1 312-464-7078 Illinois U.S.A.
  • 3124647079 | +1 312-464-7079 Illinois U.S.A.
  • 3124647080 | +1 312-464-7080 Illinois U.S.A.
  • 3124647081 | +1 312-464-7081 Illinois U.S.A.
  • 3124647082 | +1 312-464-7082 Illinois U.S.A.
  • 3124647083 | +1 312-464-7083 Illinois U.S.A.
  • 3124647084 | +1 312-464-7084 Illinois U.S.A.
  • 3124647085 | +1 312-464-7085 Illinois U.S.A.
  • 3124647086 | +1 312-464-7086 Illinois U.S.A.
  • 3124647087 | +1 312-464-7087 Illinois U.S.A.
  • 3124647088 | +1 312-464-7088 Illinois U.S.A.
  • 3124647089 | +1 312-464-7089 Illinois U.S.A.
  • 3124647090 | +1 312-464-7090 Illinois U.S.A.
  • 3124647091 | +1 312-464-7091 Illinois U.S.A.
  • 3124647092 | +1 312-464-7092 Illinois U.S.A.
  • 3124647093 | +1 312-464-7093 Illinois U.S.A.
  • 3124647094 | +1 312-464-7094 Illinois U.S.A.
  • 3124647095 | +1 312-464-7095 Illinois U.S.A.
  • 3124647096 | +1 312-464-7096 Illinois U.S.A.
  • 3124647097 | +1 312-464-7097 Illinois U.S.A.
  • 3124647098 | +1 312-464-7098 Illinois U.S.A.
  • 3124647099 | +1 312-464-7099 Illinois U.S.A.