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).

  • 3122988000 | +1 312-298-8000 Illinois U.S.A.
  • 3122988001 | +1 312-298-8001 Illinois U.S.A.
  • 3122988002 | +1 312-298-8002 Illinois U.S.A.
  • 3122988003 | +1 312-298-8003 Illinois U.S.A.
  • 3122988004 | +1 312-298-8004 Illinois U.S.A.
  • 3122988005 | +1 312-298-8005 Illinois U.S.A.
  • 3122988006 | +1 312-298-8006 Illinois U.S.A.
  • 3122988007 | +1 312-298-8007 Illinois U.S.A.
  • 3122988008 | +1 312-298-8008 Illinois U.S.A.
  • 3122988009 | +1 312-298-8009 Illinois U.S.A.
  • 3122988010 | +1 312-298-8010 Illinois U.S.A.
  • 3122988011 | +1 312-298-8011 Illinois U.S.A.
  • 3122988012 | +1 312-298-8012 Illinois U.S.A.
  • 3122988013 | +1 312-298-8013 Illinois U.S.A.
  • 3122988014 | +1 312-298-8014 Illinois U.S.A.
  • 3122988015 | +1 312-298-8015 Illinois U.S.A.
  • 3122988016 | +1 312-298-8016 Illinois U.S.A.
  • 3122988017 | +1 312-298-8017 Illinois U.S.A.
  • 3122988018 | +1 312-298-8018 Illinois U.S.A.
  • 3122988019 | +1 312-298-8019 Illinois U.S.A.
  • 3122988020 | +1 312-298-8020 Illinois U.S.A.
  • 3122988021 | +1 312-298-8021 Illinois U.S.A.
  • 3122988022 | +1 312-298-8022 Illinois U.S.A.
  • 3122988023 | +1 312-298-8023 Illinois U.S.A.
  • 3122988024 | +1 312-298-8024 Illinois U.S.A.
  • 3122988025 | +1 312-298-8025 Illinois U.S.A.
  • 3122988026 | +1 312-298-8026 Illinois U.S.A.
  • 3122988027 | +1 312-298-8027 Illinois U.S.A.
  • 3122988028 | +1 312-298-8028 Illinois U.S.A.
  • 3122988029 | +1 312-298-8029 Illinois U.S.A.
  • 3122988030 | +1 312-298-8030 Illinois U.S.A.
  • 3122988031 | +1 312-298-8031 Illinois U.S.A.
  • 3122988032 | +1 312-298-8032 Illinois U.S.A.
  • 3122988033 | +1 312-298-8033 Illinois U.S.A.
  • 3122988034 | +1 312-298-8034 Illinois U.S.A.
  • 3122988035 | +1 312-298-8035 Illinois U.S.A.
  • 3122988036 | +1 312-298-8036 Illinois U.S.A.
  • 3122988037 | +1 312-298-8037 Illinois U.S.A.
  • 3122988038 | +1 312-298-8038 Illinois U.S.A.
  • 3122988039 | +1 312-298-8039 Illinois U.S.A.
  • 3122988040 | +1 312-298-8040 Illinois U.S.A.
  • 3122988041 | +1 312-298-8041 Illinois U.S.A.
  • 3122988042 | +1 312-298-8042 Illinois U.S.A.
  • 3122988043 | +1 312-298-8043 Illinois U.S.A.
  • 3122988044 | +1 312-298-8044 Illinois U.S.A.
  • 3122988045 | +1 312-298-8045 Illinois U.S.A.
  • 3122988046 | +1 312-298-8046 Illinois U.S.A.
  • 3122988047 | +1 312-298-8047 Illinois U.S.A.
  • 3122988048 | +1 312-298-8048 Illinois U.S.A.
  • 3122988049 | +1 312-298-8049 Illinois U.S.A.
  • 3122988050 | +1 312-298-8050 Illinois U.S.A.
  • 3122988051 | +1 312-298-8051 Illinois U.S.A.
  • 3122988052 | +1 312-298-8052 Illinois U.S.A.
  • 3122988053 | +1 312-298-8053 Illinois U.S.A.
  • 3122988054 | +1 312-298-8054 Illinois U.S.A.
  • 3122988055 | +1 312-298-8055 Illinois U.S.A.
  • 3122988056 | +1 312-298-8056 Illinois U.S.A.
  • 3122988057 | +1 312-298-8057 Illinois U.S.A.
  • 3122988058 | +1 312-298-8058 Illinois U.S.A.
  • 3122988059 | +1 312-298-8059 Illinois U.S.A.
  • 3122988060 | +1 312-298-8060 Illinois U.S.A.
  • 3122988061 | +1 312-298-8061 Illinois U.S.A.
  • 3122988062 | +1 312-298-8062 Illinois U.S.A.
  • 3122988063 | +1 312-298-8063 Illinois U.S.A.
  • 3122988064 | +1 312-298-8064 Illinois U.S.A.
  • 3122988065 | +1 312-298-8065 Illinois U.S.A.
  • 3122988066 | +1 312-298-8066 Illinois U.S.A.
  • 3122988067 | +1 312-298-8067 Illinois U.S.A.
  • 3122988068 | +1 312-298-8068 Illinois U.S.A.
  • 3122988069 | +1 312-298-8069 Illinois U.S.A.
  • 3122988070 | +1 312-298-8070 Illinois U.S.A.
  • 3122988071 | +1 312-298-8071 Illinois U.S.A.
  • 3122988072 | +1 312-298-8072 Illinois U.S.A.
  • 3122988073 | +1 312-298-8073 Illinois U.S.A.
  • 3122988074 | +1 312-298-8074 Illinois U.S.A.
  • 3122988075 | +1 312-298-8075 Illinois U.S.A.
  • 3122988076 | +1 312-298-8076 Illinois U.S.A.
  • 3122988077 | +1 312-298-8077 Illinois U.S.A.
  • 3122988078 | +1 312-298-8078 Illinois U.S.A.
  • 3122988079 | +1 312-298-8079 Illinois U.S.A.
  • 3122988080 | +1 312-298-8080 Illinois U.S.A.
  • 3122988081 | +1 312-298-8081 Illinois U.S.A.
  • 3122988082 | +1 312-298-8082 Illinois U.S.A.
  • 3122988083 | +1 312-298-8083 Illinois U.S.A.
  • 3122988084 | +1 312-298-8084 Illinois U.S.A.
  • 3122988085 | +1 312-298-8085 Illinois U.S.A.
  • 3122988086 | +1 312-298-8086 Illinois U.S.A.
  • 3122988087 | +1 312-298-8087 Illinois U.S.A.
  • 3122988088 | +1 312-298-8088 Illinois U.S.A.
  • 3122988089 | +1 312-298-8089 Illinois U.S.A.
  • 3122988090 | +1 312-298-8090 Illinois U.S.A.
  • 3122988091 | +1 312-298-8091 Illinois U.S.A.
  • 3122988092 | +1 312-298-8092 Illinois U.S.A.
  • 3122988093 | +1 312-298-8093 Illinois U.S.A.
  • 3122988094 | +1 312-298-8094 Illinois U.S.A.
  • 3122988095 | +1 312-298-8095 Illinois U.S.A.
  • 3122988096 | +1 312-298-8096 Illinois U.S.A.
  • 3122988097 | +1 312-298-8097 Illinois U.S.A.
  • 3122988098 | +1 312-298-8098 Illinois U.S.A.
  • 3122988099 | +1 312-298-8099 Illinois U.S.A.