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).

  • 3123088000 | +1 312-308-8000 Illinois U.S.A.
  • 3123088001 | +1 312-308-8001 Illinois U.S.A.
  • 3123088002 | +1 312-308-8002 Illinois U.S.A.
  • 3123088003 | +1 312-308-8003 Illinois U.S.A.
  • 3123088004 | +1 312-308-8004 Illinois U.S.A.
  • 3123088005 | +1 312-308-8005 Illinois U.S.A.
  • 3123088006 | +1 312-308-8006 Illinois U.S.A.
  • 3123088007 | +1 312-308-8007 Illinois U.S.A.
  • 3123088008 | +1 312-308-8008 Illinois U.S.A.
  • 3123088009 | +1 312-308-8009 Illinois U.S.A.
  • 3123088010 | +1 312-308-8010 Illinois U.S.A.
  • 3123088011 | +1 312-308-8011 Illinois U.S.A.
  • 3123088012 | +1 312-308-8012 Illinois U.S.A.
  • 3123088013 | +1 312-308-8013 Illinois U.S.A.
  • 3123088014 | +1 312-308-8014 Illinois U.S.A.
  • 3123088015 | +1 312-308-8015 Illinois U.S.A.
  • 3123088016 | +1 312-308-8016 Illinois U.S.A.
  • 3123088017 | +1 312-308-8017 Illinois U.S.A.
  • 3123088018 | +1 312-308-8018 Illinois U.S.A.
  • 3123088019 | +1 312-308-8019 Illinois U.S.A.
  • 3123088020 | +1 312-308-8020 Illinois U.S.A.
  • 3123088021 | +1 312-308-8021 Illinois U.S.A.
  • 3123088022 | +1 312-308-8022 Illinois U.S.A.
  • 3123088023 | +1 312-308-8023 Illinois U.S.A.
  • 3123088024 | +1 312-308-8024 Illinois U.S.A.
  • 3123088025 | +1 312-308-8025 Illinois U.S.A.
  • 3123088026 | +1 312-308-8026 Illinois U.S.A.
  • 3123088027 | +1 312-308-8027 Illinois U.S.A.
  • 3123088028 | +1 312-308-8028 Illinois U.S.A.
  • 3123088029 | +1 312-308-8029 Illinois U.S.A.
  • 3123088030 | +1 312-308-8030 Illinois U.S.A.
  • 3123088031 | +1 312-308-8031 Illinois U.S.A.
  • 3123088032 | +1 312-308-8032 Illinois U.S.A.
  • 3123088033 | +1 312-308-8033 Illinois U.S.A.
  • 3123088034 | +1 312-308-8034 Illinois U.S.A.
  • 3123088035 | +1 312-308-8035 Illinois U.S.A.
  • 3123088036 | +1 312-308-8036 Illinois U.S.A.
  • 3123088037 | +1 312-308-8037 Illinois U.S.A.
  • 3123088038 | +1 312-308-8038 Illinois U.S.A.
  • 3123088039 | +1 312-308-8039 Illinois U.S.A.
  • 3123088040 | +1 312-308-8040 Illinois U.S.A.
  • 3123088041 | +1 312-308-8041 Illinois U.S.A.
  • 3123088042 | +1 312-308-8042 Illinois U.S.A.
  • 3123088043 | +1 312-308-8043 Illinois U.S.A.
  • 3123088044 | +1 312-308-8044 Illinois U.S.A.
  • 3123088045 | +1 312-308-8045 Illinois U.S.A.
  • 3123088046 | +1 312-308-8046 Illinois U.S.A.
  • 3123088047 | +1 312-308-8047 Illinois U.S.A.
  • 3123088048 | +1 312-308-8048 Illinois U.S.A.
  • 3123088049 | +1 312-308-8049 Illinois U.S.A.
  • 3123088050 | +1 312-308-8050 Illinois U.S.A.
  • 3123088051 | +1 312-308-8051 Illinois U.S.A.
  • 3123088052 | +1 312-308-8052 Illinois U.S.A.
  • 3123088053 | +1 312-308-8053 Illinois U.S.A.
  • 3123088054 | +1 312-308-8054 Illinois U.S.A.
  • 3123088055 | +1 312-308-8055 Illinois U.S.A.
  • 3123088056 | +1 312-308-8056 Illinois U.S.A.
  • 3123088057 | +1 312-308-8057 Illinois U.S.A.
  • 3123088058 | +1 312-308-8058 Illinois U.S.A.
  • 3123088059 | +1 312-308-8059 Illinois U.S.A.
  • 3123088060 | +1 312-308-8060 Illinois U.S.A.
  • 3123088061 | +1 312-308-8061 Illinois U.S.A.
  • 3123088062 | +1 312-308-8062 Illinois U.S.A.
  • 3123088063 | +1 312-308-8063 Illinois U.S.A.
  • 3123088064 | +1 312-308-8064 Illinois U.S.A.
  • 3123088065 | +1 312-308-8065 Illinois U.S.A.
  • 3123088066 | +1 312-308-8066 Illinois U.S.A.
  • 3123088067 | +1 312-308-8067 Illinois U.S.A.
  • 3123088068 | +1 312-308-8068 Illinois U.S.A.
  • 3123088069 | +1 312-308-8069 Illinois U.S.A.
  • 3123088070 | +1 312-308-8070 Illinois U.S.A.
  • 3123088071 | +1 312-308-8071 Illinois U.S.A.
  • 3123088072 | +1 312-308-8072 Illinois U.S.A.
  • 3123088073 | +1 312-308-8073 Illinois U.S.A.
  • 3123088074 | +1 312-308-8074 Illinois U.S.A.
  • 3123088075 | +1 312-308-8075 Illinois U.S.A.
  • 3123088076 | +1 312-308-8076 Illinois U.S.A.
  • 3123088077 | +1 312-308-8077 Illinois U.S.A.
  • 3123088078 | +1 312-308-8078 Illinois U.S.A.
  • 3123088079 | +1 312-308-8079 Illinois U.S.A.
  • 3123088080 | +1 312-308-8080 Illinois U.S.A.
  • 3123088081 | +1 312-308-8081 Illinois U.S.A.
  • 3123088082 | +1 312-308-8082 Illinois U.S.A.
  • 3123088083 | +1 312-308-8083 Illinois U.S.A.
  • 3123088084 | +1 312-308-8084 Illinois U.S.A.
  • 3123088085 | +1 312-308-8085 Illinois U.S.A.
  • 3123088086 | +1 312-308-8086 Illinois U.S.A.
  • 3123088087 | +1 312-308-8087 Illinois U.S.A.
  • 3123088088 | +1 312-308-8088 Illinois U.S.A.
  • 3123088089 | +1 312-308-8089 Illinois U.S.A.
  • 3123088090 | +1 312-308-8090 Illinois U.S.A.
  • 3123088091 | +1 312-308-8091 Illinois U.S.A.
  • 3123088092 | +1 312-308-8092 Illinois U.S.A.
  • 3123088093 | +1 312-308-8093 Illinois U.S.A.
  • 3123088094 | +1 312-308-8094 Illinois U.S.A.
  • 3123088095 | +1 312-308-8095 Illinois U.S.A.
  • 3123088096 | +1 312-308-8096 Illinois U.S.A.
  • 3123088097 | +1 312-308-8097 Illinois U.S.A.
  • 3123088098 | +1 312-308-8098 Illinois U.S.A.
  • 3123088099 | +1 312-308-8099 Illinois U.S.A.