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).

  • 3127948000 | +1 312-794-8000 Illinois U.S.A.
  • 3127948001 | +1 312-794-8001 Illinois U.S.A.
  • 3127948002 | +1 312-794-8002 Illinois U.S.A.
  • 3127948003 | +1 312-794-8003 Illinois U.S.A.
  • 3127948004 | +1 312-794-8004 Illinois U.S.A.
  • 3127948005 | +1 312-794-8005 Illinois U.S.A.
  • 3127948006 | +1 312-794-8006 Illinois U.S.A.
  • 3127948007 | +1 312-794-8007 Illinois U.S.A.
  • 3127948008 | +1 312-794-8008 Illinois U.S.A.
  • 3127948009 | +1 312-794-8009 Illinois U.S.A.
  • 3127948010 | +1 312-794-8010 Illinois U.S.A.
  • 3127948011 | +1 312-794-8011 Illinois U.S.A.
  • 3127948012 | +1 312-794-8012 Illinois U.S.A.
  • 3127948013 | +1 312-794-8013 Illinois U.S.A.
  • 3127948014 | +1 312-794-8014 Illinois U.S.A.
  • 3127948015 | +1 312-794-8015 Illinois U.S.A.
  • 3127948016 | +1 312-794-8016 Illinois U.S.A.
  • 3127948017 | +1 312-794-8017 Illinois U.S.A.
  • 3127948018 | +1 312-794-8018 Illinois U.S.A.
  • 3127948019 | +1 312-794-8019 Illinois U.S.A.
  • 3127948020 | +1 312-794-8020 Illinois U.S.A.
  • 3127948021 | +1 312-794-8021 Illinois U.S.A.
  • 3127948022 | +1 312-794-8022 Illinois U.S.A.
  • 3127948023 | +1 312-794-8023 Illinois U.S.A.
  • 3127948024 | +1 312-794-8024 Illinois U.S.A.
  • 3127948025 | +1 312-794-8025 Illinois U.S.A.
  • 3127948026 | +1 312-794-8026 Illinois U.S.A.
  • 3127948027 | +1 312-794-8027 Illinois U.S.A.
  • 3127948028 | +1 312-794-8028 Illinois U.S.A.
  • 3127948029 | +1 312-794-8029 Illinois U.S.A.
  • 3127948030 | +1 312-794-8030 Illinois U.S.A.
  • 3127948031 | +1 312-794-8031 Illinois U.S.A.
  • 3127948032 | +1 312-794-8032 Illinois U.S.A.
  • 3127948033 | +1 312-794-8033 Illinois U.S.A.
  • 3127948034 | +1 312-794-8034 Illinois U.S.A.
  • 3127948035 | +1 312-794-8035 Illinois U.S.A.
  • 3127948036 | +1 312-794-8036 Illinois U.S.A.
  • 3127948037 | +1 312-794-8037 Illinois U.S.A.
  • 3127948038 | +1 312-794-8038 Illinois U.S.A.
  • 3127948039 | +1 312-794-8039 Illinois U.S.A.
  • 3127948040 | +1 312-794-8040 Illinois U.S.A.
  • 3127948041 | +1 312-794-8041 Illinois U.S.A.
  • 3127948042 | +1 312-794-8042 Illinois U.S.A.
  • 3127948043 | +1 312-794-8043 Illinois U.S.A.
  • 3127948044 | +1 312-794-8044 Illinois U.S.A.
  • 3127948045 | +1 312-794-8045 Illinois U.S.A.
  • 3127948046 | +1 312-794-8046 Illinois U.S.A.
  • 3127948047 | +1 312-794-8047 Illinois U.S.A.
  • 3127948048 | +1 312-794-8048 Illinois U.S.A.
  • 3127948049 | +1 312-794-8049 Illinois U.S.A.
  • 3127948050 | +1 312-794-8050 Illinois U.S.A.
  • 3127948051 | +1 312-794-8051 Illinois U.S.A.
  • 3127948052 | +1 312-794-8052 Illinois U.S.A.
  • 3127948053 | +1 312-794-8053 Illinois U.S.A.
  • 3127948054 | +1 312-794-8054 Illinois U.S.A.
  • 3127948055 | +1 312-794-8055 Illinois U.S.A.
  • 3127948056 | +1 312-794-8056 Illinois U.S.A.
  • 3127948057 | +1 312-794-8057 Illinois U.S.A.
  • 3127948058 | +1 312-794-8058 Illinois U.S.A.
  • 3127948059 | +1 312-794-8059 Illinois U.S.A.
  • 3127948060 | +1 312-794-8060 Illinois U.S.A.
  • 3127948061 | +1 312-794-8061 Illinois U.S.A.
  • 3127948062 | +1 312-794-8062 Illinois U.S.A.
  • 3127948063 | +1 312-794-8063 Illinois U.S.A.
  • 3127948064 | +1 312-794-8064 Illinois U.S.A.
  • 3127948065 | +1 312-794-8065 Illinois U.S.A.
  • 3127948066 | +1 312-794-8066 Illinois U.S.A.
  • 3127948067 | +1 312-794-8067 Illinois U.S.A.
  • 3127948068 | +1 312-794-8068 Illinois U.S.A.
  • 3127948069 | +1 312-794-8069 Illinois U.S.A.
  • 3127948070 | +1 312-794-8070 Illinois U.S.A.
  • 3127948071 | +1 312-794-8071 Illinois U.S.A.
  • 3127948072 | +1 312-794-8072 Illinois U.S.A.
  • 3127948073 | +1 312-794-8073 Illinois U.S.A.
  • 3127948074 | +1 312-794-8074 Illinois U.S.A.
  • 3127948075 | +1 312-794-8075 Illinois U.S.A.
  • 3127948076 | +1 312-794-8076 Illinois U.S.A.
  • 3127948077 | +1 312-794-8077 Illinois U.S.A.
  • 3127948078 | +1 312-794-8078 Illinois U.S.A.
  • 3127948079 | +1 312-794-8079 Illinois U.S.A.
  • 3127948080 | +1 312-794-8080 Illinois U.S.A.
  • 3127948081 | +1 312-794-8081 Illinois U.S.A.
  • 3127948082 | +1 312-794-8082 Illinois U.S.A.
  • 3127948083 | +1 312-794-8083 Illinois U.S.A.
  • 3127948084 | +1 312-794-8084 Illinois U.S.A.
  • 3127948085 | +1 312-794-8085 Illinois U.S.A.
  • 3127948086 | +1 312-794-8086 Illinois U.S.A.
  • 3127948087 | +1 312-794-8087 Illinois U.S.A.
  • 3127948088 | +1 312-794-8088 Illinois U.S.A.
  • 3127948089 | +1 312-794-8089 Illinois U.S.A.
  • 3127948090 | +1 312-794-8090 Illinois U.S.A.
  • 3127948091 | +1 312-794-8091 Illinois U.S.A.
  • 3127948092 | +1 312-794-8092 Illinois U.S.A.
  • 3127948093 | +1 312-794-8093 Illinois U.S.A.
  • 3127948094 | +1 312-794-8094 Illinois U.S.A.
  • 3127948095 | +1 312-794-8095 Illinois U.S.A.
  • 3127948096 | +1 312-794-8096 Illinois U.S.A.
  • 3127948097 | +1 312-794-8097 Illinois U.S.A.
  • 3127948098 | +1 312-794-8098 Illinois U.S.A.
  • 3127948099 | +1 312-794-8099 Illinois U.S.A.