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).

  • 3124798000 | +1 312-479-8000 Illinois U.S.A.
  • 3124798001 | +1 312-479-8001 Illinois U.S.A.
  • 3124798002 | +1 312-479-8002 Illinois U.S.A.
  • 3124798003 | +1 312-479-8003 Illinois U.S.A.
  • 3124798004 | +1 312-479-8004 Illinois U.S.A.
  • 3124798005 | +1 312-479-8005 Illinois U.S.A.
  • 3124798006 | +1 312-479-8006 Illinois U.S.A.
  • 3124798007 | +1 312-479-8007 Illinois U.S.A.
  • 3124798008 | +1 312-479-8008 Illinois U.S.A.
  • 3124798009 | +1 312-479-8009 Illinois U.S.A.
  • 3124798010 | +1 312-479-8010 Illinois U.S.A.
  • 3124798011 | +1 312-479-8011 Illinois U.S.A.
  • 3124798012 | +1 312-479-8012 Illinois U.S.A.
  • 3124798013 | +1 312-479-8013 Illinois U.S.A.
  • 3124798014 | +1 312-479-8014 Illinois U.S.A.
  • 3124798015 | +1 312-479-8015 Illinois U.S.A.
  • 3124798016 | +1 312-479-8016 Illinois U.S.A.
  • 3124798017 | +1 312-479-8017 Illinois U.S.A.
  • 3124798018 | +1 312-479-8018 Illinois U.S.A.
  • 3124798019 | +1 312-479-8019 Illinois U.S.A.
  • 3124798020 | +1 312-479-8020 Illinois U.S.A.
  • 3124798021 | +1 312-479-8021 Illinois U.S.A.
  • 3124798022 | +1 312-479-8022 Illinois U.S.A.
  • 3124798023 | +1 312-479-8023 Illinois U.S.A.
  • 3124798024 | +1 312-479-8024 Illinois U.S.A.
  • 3124798025 | +1 312-479-8025 Illinois U.S.A.
  • 3124798026 | +1 312-479-8026 Illinois U.S.A.
  • 3124798027 | +1 312-479-8027 Illinois U.S.A.
  • 3124798028 | +1 312-479-8028 Illinois U.S.A.
  • 3124798029 | +1 312-479-8029 Illinois U.S.A.
  • 3124798030 | +1 312-479-8030 Illinois U.S.A.
  • 3124798031 | +1 312-479-8031 Illinois U.S.A.
  • 3124798032 | +1 312-479-8032 Illinois U.S.A.
  • 3124798033 | +1 312-479-8033 Illinois U.S.A.
  • 3124798034 | +1 312-479-8034 Illinois U.S.A.
  • 3124798035 | +1 312-479-8035 Illinois U.S.A.
  • 3124798036 | +1 312-479-8036 Illinois U.S.A.
  • 3124798037 | +1 312-479-8037 Illinois U.S.A.
  • 3124798038 | +1 312-479-8038 Illinois U.S.A.
  • 3124798039 | +1 312-479-8039 Illinois U.S.A.
  • 3124798040 | +1 312-479-8040 Illinois U.S.A.
  • 3124798041 | +1 312-479-8041 Illinois U.S.A.
  • 3124798042 | +1 312-479-8042 Illinois U.S.A.
  • 3124798043 | +1 312-479-8043 Illinois U.S.A.
  • 3124798044 | +1 312-479-8044 Illinois U.S.A.
  • 3124798045 | +1 312-479-8045 Illinois U.S.A.
  • 3124798046 | +1 312-479-8046 Illinois U.S.A.
  • 3124798047 | +1 312-479-8047 Illinois U.S.A.
  • 3124798048 | +1 312-479-8048 Illinois U.S.A.
  • 3124798049 | +1 312-479-8049 Illinois U.S.A.
  • 3124798050 | +1 312-479-8050 Illinois U.S.A.
  • 3124798051 | +1 312-479-8051 Illinois U.S.A.
  • 3124798052 | +1 312-479-8052 Illinois U.S.A.
  • 3124798053 | +1 312-479-8053 Illinois U.S.A.
  • 3124798054 | +1 312-479-8054 Illinois U.S.A.
  • 3124798055 | +1 312-479-8055 Illinois U.S.A.
  • 3124798056 | +1 312-479-8056 Illinois U.S.A.
  • 3124798057 | +1 312-479-8057 Illinois U.S.A.
  • 3124798058 | +1 312-479-8058 Illinois U.S.A.
  • 3124798059 | +1 312-479-8059 Illinois U.S.A.
  • 3124798060 | +1 312-479-8060 Illinois U.S.A.
  • 3124798061 | +1 312-479-8061 Illinois U.S.A.
  • 3124798062 | +1 312-479-8062 Illinois U.S.A.
  • 3124798063 | +1 312-479-8063 Illinois U.S.A.
  • 3124798064 | +1 312-479-8064 Illinois U.S.A.
  • 3124798065 | +1 312-479-8065 Illinois U.S.A.
  • 3124798066 | +1 312-479-8066 Illinois U.S.A.
  • 3124798067 | +1 312-479-8067 Illinois U.S.A.
  • 3124798068 | +1 312-479-8068 Illinois U.S.A.
  • 3124798069 | +1 312-479-8069 Illinois U.S.A.
  • 3124798070 | +1 312-479-8070 Illinois U.S.A.
  • 3124798071 | +1 312-479-8071 Illinois U.S.A.
  • 3124798072 | +1 312-479-8072 Illinois U.S.A.
  • 3124798073 | +1 312-479-8073 Illinois U.S.A.
  • 3124798074 | +1 312-479-8074 Illinois U.S.A.
  • 3124798075 | +1 312-479-8075 Illinois U.S.A.
  • 3124798076 | +1 312-479-8076 Illinois U.S.A.
  • 3124798077 | +1 312-479-8077 Illinois U.S.A.
  • 3124798078 | +1 312-479-8078 Illinois U.S.A.
  • 3124798079 | +1 312-479-8079 Illinois U.S.A.
  • 3124798080 | +1 312-479-8080 Illinois U.S.A.
  • 3124798081 | +1 312-479-8081 Illinois U.S.A.
  • 3124798082 | +1 312-479-8082 Illinois U.S.A.
  • 3124798083 | +1 312-479-8083 Illinois U.S.A.
  • 3124798084 | +1 312-479-8084 Illinois U.S.A.
  • 3124798085 | +1 312-479-8085 Illinois U.S.A.
  • 3124798086 | +1 312-479-8086 Illinois U.S.A.
  • 3124798087 | +1 312-479-8087 Illinois U.S.A.
  • 3124798088 | +1 312-479-8088 Illinois U.S.A.
  • 3124798089 | +1 312-479-8089 Illinois U.S.A.
  • 3124798090 | +1 312-479-8090 Illinois U.S.A.
  • 3124798091 | +1 312-479-8091 Illinois U.S.A.
  • 3124798092 | +1 312-479-8092 Illinois U.S.A.
  • 3124798093 | +1 312-479-8093 Illinois U.S.A.
  • 3124798094 | +1 312-479-8094 Illinois U.S.A.
  • 3124798095 | +1 312-479-8095 Illinois U.S.A.
  • 3124798096 | +1 312-479-8096 Illinois U.S.A.
  • 3124798097 | +1 312-479-8097 Illinois U.S.A.
  • 3124798098 | +1 312-479-8098 Illinois U.S.A.
  • 3124798099 | +1 312-479-8099 Illinois U.S.A.