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).

  • 3129478000 | +1 312-947-8000 Illinois U.S.A.
  • 3129478001 | +1 312-947-8001 Illinois U.S.A.
  • 3129478002 | +1 312-947-8002 Illinois U.S.A.
  • 3129478003 | +1 312-947-8003 Illinois U.S.A.
  • 3129478004 | +1 312-947-8004 Illinois U.S.A.
  • 3129478005 | +1 312-947-8005 Illinois U.S.A.
  • 3129478006 | +1 312-947-8006 Illinois U.S.A.
  • 3129478007 | +1 312-947-8007 Illinois U.S.A.
  • 3129478008 | +1 312-947-8008 Illinois U.S.A.
  • 3129478009 | +1 312-947-8009 Illinois U.S.A.
  • 3129478010 | +1 312-947-8010 Illinois U.S.A.
  • 3129478011 | +1 312-947-8011 Illinois U.S.A.
  • 3129478012 | +1 312-947-8012 Illinois U.S.A.
  • 3129478013 | +1 312-947-8013 Illinois U.S.A.
  • 3129478014 | +1 312-947-8014 Illinois U.S.A.
  • 3129478015 | +1 312-947-8015 Illinois U.S.A.
  • 3129478016 | +1 312-947-8016 Illinois U.S.A.
  • 3129478017 | +1 312-947-8017 Illinois U.S.A.
  • 3129478018 | +1 312-947-8018 Illinois U.S.A.
  • 3129478019 | +1 312-947-8019 Illinois U.S.A.
  • 3129478020 | +1 312-947-8020 Illinois U.S.A.
  • 3129478021 | +1 312-947-8021 Illinois U.S.A.
  • 3129478022 | +1 312-947-8022 Illinois U.S.A.
  • 3129478023 | +1 312-947-8023 Illinois U.S.A.
  • 3129478024 | +1 312-947-8024 Illinois U.S.A.
  • 3129478025 | +1 312-947-8025 Illinois U.S.A.
  • 3129478026 | +1 312-947-8026 Illinois U.S.A.
  • 3129478027 | +1 312-947-8027 Illinois U.S.A.
  • 3129478028 | +1 312-947-8028 Illinois U.S.A.
  • 3129478029 | +1 312-947-8029 Illinois U.S.A.
  • 3129478030 | +1 312-947-8030 Illinois U.S.A.
  • 3129478031 | +1 312-947-8031 Illinois U.S.A.
  • 3129478032 | +1 312-947-8032 Illinois U.S.A.
  • 3129478033 | +1 312-947-8033 Illinois U.S.A.
  • 3129478034 | +1 312-947-8034 Illinois U.S.A.
  • 3129478035 | +1 312-947-8035 Illinois U.S.A.
  • 3129478036 | +1 312-947-8036 Illinois U.S.A.
  • 3129478037 | +1 312-947-8037 Illinois U.S.A.
  • 3129478038 | +1 312-947-8038 Illinois U.S.A.
  • 3129478039 | +1 312-947-8039 Illinois U.S.A.
  • 3129478040 | +1 312-947-8040 Illinois U.S.A.
  • 3129478041 | +1 312-947-8041 Illinois U.S.A.
  • 3129478042 | +1 312-947-8042 Illinois U.S.A.
  • 3129478043 | +1 312-947-8043 Illinois U.S.A.
  • 3129478044 | +1 312-947-8044 Illinois U.S.A.
  • 3129478045 | +1 312-947-8045 Illinois U.S.A.
  • 3129478046 | +1 312-947-8046 Illinois U.S.A.
  • 3129478047 | +1 312-947-8047 Illinois U.S.A.
  • 3129478048 | +1 312-947-8048 Illinois U.S.A.
  • 3129478049 | +1 312-947-8049 Illinois U.S.A.
  • 3129478050 | +1 312-947-8050 Illinois U.S.A.
  • 3129478051 | +1 312-947-8051 Illinois U.S.A.
  • 3129478052 | +1 312-947-8052 Illinois U.S.A.
  • 3129478053 | +1 312-947-8053 Illinois U.S.A.
  • 3129478054 | +1 312-947-8054 Illinois U.S.A.
  • 3129478055 | +1 312-947-8055 Illinois U.S.A.
  • 3129478056 | +1 312-947-8056 Illinois U.S.A.
  • 3129478057 | +1 312-947-8057 Illinois U.S.A.
  • 3129478058 | +1 312-947-8058 Illinois U.S.A.
  • 3129478059 | +1 312-947-8059 Illinois U.S.A.
  • 3129478060 | +1 312-947-8060 Illinois U.S.A.
  • 3129478061 | +1 312-947-8061 Illinois U.S.A.
  • 3129478062 | +1 312-947-8062 Illinois U.S.A.
  • 3129478063 | +1 312-947-8063 Illinois U.S.A.
  • 3129478064 | +1 312-947-8064 Illinois U.S.A.
  • 3129478065 | +1 312-947-8065 Illinois U.S.A.
  • 3129478066 | +1 312-947-8066 Illinois U.S.A.
  • 3129478067 | +1 312-947-8067 Illinois U.S.A.
  • 3129478068 | +1 312-947-8068 Illinois U.S.A.
  • 3129478069 | +1 312-947-8069 Illinois U.S.A.
  • 3129478070 | +1 312-947-8070 Illinois U.S.A.
  • 3129478071 | +1 312-947-8071 Illinois U.S.A.
  • 3129478072 | +1 312-947-8072 Illinois U.S.A.
  • 3129478073 | +1 312-947-8073 Illinois U.S.A.
  • 3129478074 | +1 312-947-8074 Illinois U.S.A.
  • 3129478075 | +1 312-947-8075 Illinois U.S.A.
  • 3129478076 | +1 312-947-8076 Illinois U.S.A.
  • 3129478077 | +1 312-947-8077 Illinois U.S.A.
  • 3129478078 | +1 312-947-8078 Illinois U.S.A.
  • 3129478079 | +1 312-947-8079 Illinois U.S.A.
  • 3129478080 | +1 312-947-8080 Illinois U.S.A.
  • 3129478081 | +1 312-947-8081 Illinois U.S.A.
  • 3129478082 | +1 312-947-8082 Illinois U.S.A.
  • 3129478083 | +1 312-947-8083 Illinois U.S.A.
  • 3129478084 | +1 312-947-8084 Illinois U.S.A.
  • 3129478085 | +1 312-947-8085 Illinois U.S.A.
  • 3129478086 | +1 312-947-8086 Illinois U.S.A.
  • 3129478087 | +1 312-947-8087 Illinois U.S.A.
  • 3129478088 | +1 312-947-8088 Illinois U.S.A.
  • 3129478089 | +1 312-947-8089 Illinois U.S.A.
  • 3129478090 | +1 312-947-8090 Illinois U.S.A.
  • 3129478091 | +1 312-947-8091 Illinois U.S.A.
  • 3129478092 | +1 312-947-8092 Illinois U.S.A.
  • 3129478093 | +1 312-947-8093 Illinois U.S.A.
  • 3129478094 | +1 312-947-8094 Illinois U.S.A.
  • 3129478095 | +1 312-947-8095 Illinois U.S.A.
  • 3129478096 | +1 312-947-8096 Illinois U.S.A.
  • 3129478097 | +1 312-947-8097 Illinois U.S.A.
  • 3129478098 | +1 312-947-8098 Illinois U.S.A.
  • 3129478099 | +1 312-947-8099 Illinois U.S.A.