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).

  • 3125038000 | +1 312-503-8000 Illinois U.S.A.
  • 3125038001 | +1 312-503-8001 Illinois U.S.A.
  • 3125038002 | +1 312-503-8002 Illinois U.S.A.
  • 3125038003 | +1 312-503-8003 Illinois U.S.A.
  • 3125038004 | +1 312-503-8004 Illinois U.S.A.
  • 3125038005 | +1 312-503-8005 Illinois U.S.A.
  • 3125038006 | +1 312-503-8006 Illinois U.S.A.
  • 3125038007 | +1 312-503-8007 Illinois U.S.A.
  • 3125038008 | +1 312-503-8008 Illinois U.S.A.
  • 3125038009 | +1 312-503-8009 Illinois U.S.A.
  • 3125038010 | +1 312-503-8010 Illinois U.S.A.
  • 3125038011 | +1 312-503-8011 Illinois U.S.A.
  • 3125038012 | +1 312-503-8012 Illinois U.S.A.
  • 3125038013 | +1 312-503-8013 Illinois U.S.A.
  • 3125038014 | +1 312-503-8014 Illinois U.S.A.
  • 3125038015 | +1 312-503-8015 Illinois U.S.A.
  • 3125038016 | +1 312-503-8016 Illinois U.S.A.
  • 3125038017 | +1 312-503-8017 Illinois U.S.A.
  • 3125038018 | +1 312-503-8018 Illinois U.S.A.
  • 3125038019 | +1 312-503-8019 Illinois U.S.A.
  • 3125038020 | +1 312-503-8020 Illinois U.S.A.
  • 3125038021 | +1 312-503-8021 Illinois U.S.A.
  • 3125038022 | +1 312-503-8022 Illinois U.S.A.
  • 3125038023 | +1 312-503-8023 Illinois U.S.A.
  • 3125038024 | +1 312-503-8024 Illinois U.S.A.
  • 3125038025 | +1 312-503-8025 Illinois U.S.A.
  • 3125038026 | +1 312-503-8026 Illinois U.S.A.
  • 3125038027 | +1 312-503-8027 Illinois U.S.A.
  • 3125038028 | +1 312-503-8028 Illinois U.S.A.
  • 3125038029 | +1 312-503-8029 Illinois U.S.A.
  • 3125038030 | +1 312-503-8030 Illinois U.S.A.
  • 3125038031 | +1 312-503-8031 Illinois U.S.A.
  • 3125038032 | +1 312-503-8032 Illinois U.S.A.
  • 3125038033 | +1 312-503-8033 Illinois U.S.A.
  • 3125038034 | +1 312-503-8034 Illinois U.S.A.
  • 3125038035 | +1 312-503-8035 Illinois U.S.A.
  • 3125038036 | +1 312-503-8036 Illinois U.S.A.
  • 3125038037 | +1 312-503-8037 Illinois U.S.A.
  • 3125038038 | +1 312-503-8038 Illinois U.S.A.
  • 3125038039 | +1 312-503-8039 Illinois U.S.A.
  • 3125038040 | +1 312-503-8040 Illinois U.S.A.
  • 3125038041 | +1 312-503-8041 Illinois U.S.A.
  • 3125038042 | +1 312-503-8042 Illinois U.S.A.
  • 3125038043 | +1 312-503-8043 Illinois U.S.A.
  • 3125038044 | +1 312-503-8044 Illinois U.S.A.
  • 3125038045 | +1 312-503-8045 Illinois U.S.A.
  • 3125038046 | +1 312-503-8046 Illinois U.S.A.
  • 3125038047 | +1 312-503-8047 Illinois U.S.A.
  • 3125038048 | +1 312-503-8048 Illinois U.S.A.
  • 3125038049 | +1 312-503-8049 Illinois U.S.A.
  • 3125038050 | +1 312-503-8050 Illinois U.S.A.
  • 3125038051 | +1 312-503-8051 Illinois U.S.A.
  • 3125038052 | +1 312-503-8052 Illinois U.S.A.
  • 3125038053 | +1 312-503-8053 Illinois U.S.A.
  • 3125038054 | +1 312-503-8054 Illinois U.S.A.
  • 3125038055 | +1 312-503-8055 Illinois U.S.A.
  • 3125038056 | +1 312-503-8056 Illinois U.S.A.
  • 3125038057 | +1 312-503-8057 Illinois U.S.A.
  • 3125038058 | +1 312-503-8058 Illinois U.S.A.
  • 3125038059 | +1 312-503-8059 Illinois U.S.A.
  • 3125038060 | +1 312-503-8060 Illinois U.S.A.
  • 3125038061 | +1 312-503-8061 Illinois U.S.A.
  • 3125038062 | +1 312-503-8062 Illinois U.S.A.
  • 3125038063 | +1 312-503-8063 Illinois U.S.A.
  • 3125038064 | +1 312-503-8064 Illinois U.S.A.
  • 3125038065 | +1 312-503-8065 Illinois U.S.A.
  • 3125038066 | +1 312-503-8066 Illinois U.S.A.
  • 3125038067 | +1 312-503-8067 Illinois U.S.A.
  • 3125038068 | +1 312-503-8068 Illinois U.S.A.
  • 3125038069 | +1 312-503-8069 Illinois U.S.A.
  • 3125038070 | +1 312-503-8070 Illinois U.S.A.
  • 3125038071 | +1 312-503-8071 Illinois U.S.A.
  • 3125038072 | +1 312-503-8072 Illinois U.S.A.
  • 3125038073 | +1 312-503-8073 Illinois U.S.A.
  • 3125038074 | +1 312-503-8074 Illinois U.S.A.
  • 3125038075 | +1 312-503-8075 Illinois U.S.A.
  • 3125038076 | +1 312-503-8076 Illinois U.S.A.
  • 3125038077 | +1 312-503-8077 Illinois U.S.A.
  • 3125038078 | +1 312-503-8078 Illinois U.S.A.
  • 3125038079 | +1 312-503-8079 Illinois U.S.A.
  • 3125038080 | +1 312-503-8080 Illinois U.S.A.
  • 3125038081 | +1 312-503-8081 Illinois U.S.A.
  • 3125038082 | +1 312-503-8082 Illinois U.S.A.
  • 3125038083 | +1 312-503-8083 Illinois U.S.A.
  • 3125038084 | +1 312-503-8084 Illinois U.S.A.
  • 3125038085 | +1 312-503-8085 Illinois U.S.A.
  • 3125038086 | +1 312-503-8086 Illinois U.S.A.
  • 3125038087 | +1 312-503-8087 Illinois U.S.A.
  • 3125038088 | +1 312-503-8088 Illinois U.S.A.
  • 3125038089 | +1 312-503-8089 Illinois U.S.A.
  • 3125038090 | +1 312-503-8090 Illinois U.S.A.
  • 3125038091 | +1 312-503-8091 Illinois U.S.A.
  • 3125038092 | +1 312-503-8092 Illinois U.S.A.
  • 3125038093 | +1 312-503-8093 Illinois U.S.A.
  • 3125038094 | +1 312-503-8094 Illinois U.S.A.
  • 3125038095 | +1 312-503-8095 Illinois U.S.A.
  • 3125038096 | +1 312-503-8096 Illinois U.S.A.
  • 3125038097 | +1 312-503-8097 Illinois U.S.A.
  • 3125038098 | +1 312-503-8098 Illinois U.S.A.
  • 3125038099 | +1 312-503-8099 Illinois U.S.A.