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).

  • 3129438000 | +1 312-943-8000 Illinois U.S.A.
  • 3129438001 | +1 312-943-8001 Illinois U.S.A.
  • 3129438002 | +1 312-943-8002 Illinois U.S.A.
  • 3129438003 | +1 312-943-8003 Illinois U.S.A.
  • 3129438004 | +1 312-943-8004 Illinois U.S.A.
  • 3129438005 | +1 312-943-8005 Illinois U.S.A.
  • 3129438006 | +1 312-943-8006 Illinois U.S.A.
  • 3129438007 | +1 312-943-8007 Illinois U.S.A.
  • 3129438008 | +1 312-943-8008 Illinois U.S.A.
  • 3129438009 | +1 312-943-8009 Illinois U.S.A.
  • 3129438010 | +1 312-943-8010 Illinois U.S.A.
  • 3129438011 | +1 312-943-8011 Illinois U.S.A.
  • 3129438012 | +1 312-943-8012 Illinois U.S.A.
  • 3129438013 | +1 312-943-8013 Illinois U.S.A.
  • 3129438014 | +1 312-943-8014 Illinois U.S.A.
  • 3129438015 | +1 312-943-8015 Illinois U.S.A.
  • 3129438016 | +1 312-943-8016 Illinois U.S.A.
  • 3129438017 | +1 312-943-8017 Illinois U.S.A.
  • 3129438018 | +1 312-943-8018 Illinois U.S.A.
  • 3129438019 | +1 312-943-8019 Illinois U.S.A.
  • 3129438020 | +1 312-943-8020 Illinois U.S.A.
  • 3129438021 | +1 312-943-8021 Illinois U.S.A.
  • 3129438022 | +1 312-943-8022 Illinois U.S.A.
  • 3129438023 | +1 312-943-8023 Illinois U.S.A.
  • 3129438024 | +1 312-943-8024 Illinois U.S.A.
  • 3129438025 | +1 312-943-8025 Illinois U.S.A.
  • 3129438026 | +1 312-943-8026 Illinois U.S.A.
  • 3129438027 | +1 312-943-8027 Illinois U.S.A.
  • 3129438028 | +1 312-943-8028 Illinois U.S.A.
  • 3129438029 | +1 312-943-8029 Illinois U.S.A.
  • 3129438030 | +1 312-943-8030 Illinois U.S.A.
  • 3129438031 | +1 312-943-8031 Illinois U.S.A.
  • 3129438032 | +1 312-943-8032 Illinois U.S.A.
  • 3129438033 | +1 312-943-8033 Illinois U.S.A.
  • 3129438034 | +1 312-943-8034 Illinois U.S.A.
  • 3129438035 | +1 312-943-8035 Illinois U.S.A.
  • 3129438036 | +1 312-943-8036 Illinois U.S.A.
  • 3129438037 | +1 312-943-8037 Illinois U.S.A.
  • 3129438038 | +1 312-943-8038 Illinois U.S.A.
  • 3129438039 | +1 312-943-8039 Illinois U.S.A.
  • 3129438040 | +1 312-943-8040 Illinois U.S.A.
  • 3129438041 | +1 312-943-8041 Illinois U.S.A.
  • 3129438042 | +1 312-943-8042 Illinois U.S.A.
  • 3129438043 | +1 312-943-8043 Illinois U.S.A.
  • 3129438044 | +1 312-943-8044 Illinois U.S.A.
  • 3129438045 | +1 312-943-8045 Illinois U.S.A.
  • 3129438046 | +1 312-943-8046 Illinois U.S.A.
  • 3129438047 | +1 312-943-8047 Illinois U.S.A.
  • 3129438048 | +1 312-943-8048 Illinois U.S.A.
  • 3129438049 | +1 312-943-8049 Illinois U.S.A.
  • 3129438050 | +1 312-943-8050 Illinois U.S.A.
  • 3129438051 | +1 312-943-8051 Illinois U.S.A.
  • 3129438052 | +1 312-943-8052 Illinois U.S.A.
  • 3129438053 | +1 312-943-8053 Illinois U.S.A.
  • 3129438054 | +1 312-943-8054 Illinois U.S.A.
  • 3129438055 | +1 312-943-8055 Illinois U.S.A.
  • 3129438056 | +1 312-943-8056 Illinois U.S.A.
  • 3129438057 | +1 312-943-8057 Illinois U.S.A.
  • 3129438058 | +1 312-943-8058 Illinois U.S.A.
  • 3129438059 | +1 312-943-8059 Illinois U.S.A.
  • 3129438060 | +1 312-943-8060 Illinois U.S.A.
  • 3129438061 | +1 312-943-8061 Illinois U.S.A.
  • 3129438062 | +1 312-943-8062 Illinois U.S.A.
  • 3129438063 | +1 312-943-8063 Illinois U.S.A.
  • 3129438064 | +1 312-943-8064 Illinois U.S.A.
  • 3129438065 | +1 312-943-8065 Illinois U.S.A.
  • 3129438066 | +1 312-943-8066 Illinois U.S.A.
  • 3129438067 | +1 312-943-8067 Illinois U.S.A.
  • 3129438068 | +1 312-943-8068 Illinois U.S.A.
  • 3129438069 | +1 312-943-8069 Illinois U.S.A.
  • 3129438070 | +1 312-943-8070 Illinois U.S.A.
  • 3129438071 | +1 312-943-8071 Illinois U.S.A.
  • 3129438072 | +1 312-943-8072 Illinois U.S.A.
  • 3129438073 | +1 312-943-8073 Illinois U.S.A.
  • 3129438074 | +1 312-943-8074 Illinois U.S.A.
  • 3129438075 | +1 312-943-8075 Illinois U.S.A.
  • 3129438076 | +1 312-943-8076 Illinois U.S.A.
  • 3129438077 | +1 312-943-8077 Illinois U.S.A.
  • 3129438078 | +1 312-943-8078 Illinois U.S.A.
  • 3129438079 | +1 312-943-8079 Illinois U.S.A.
  • 3129438080 | +1 312-943-8080 Illinois U.S.A.
  • 3129438081 | +1 312-943-8081 Illinois U.S.A.
  • 3129438082 | +1 312-943-8082 Illinois U.S.A.
  • 3129438083 | +1 312-943-8083 Illinois U.S.A.
  • 3129438084 | +1 312-943-8084 Illinois U.S.A.
  • 3129438085 | +1 312-943-8085 Illinois U.S.A.
  • 3129438086 | +1 312-943-8086 Illinois U.S.A.
  • 3129438087 | +1 312-943-8087 Illinois U.S.A.
  • 3129438088 | +1 312-943-8088 Illinois U.S.A.
  • 3129438089 | +1 312-943-8089 Illinois U.S.A.
  • 3129438090 | +1 312-943-8090 Illinois U.S.A.
  • 3129438091 | +1 312-943-8091 Illinois U.S.A.
  • 3129438092 | +1 312-943-8092 Illinois U.S.A.
  • 3129438093 | +1 312-943-8093 Illinois U.S.A.
  • 3129438094 | +1 312-943-8094 Illinois U.S.A.
  • 3129438095 | +1 312-943-8095 Illinois U.S.A.
  • 3129438096 | +1 312-943-8096 Illinois U.S.A.
  • 3129438097 | +1 312-943-8097 Illinois U.S.A.
  • 3129438098 | +1 312-943-8098 Illinois U.S.A.
  • 3129438099 | +1 312-943-8099 Illinois U.S.A.