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).

  • 3123068000 | +1 312-306-8000 Illinois U.S.A.
  • 3123068001 | +1 312-306-8001 Illinois U.S.A.
  • 3123068002 | +1 312-306-8002 Illinois U.S.A.
  • 3123068003 | +1 312-306-8003 Illinois U.S.A.
  • 3123068004 | +1 312-306-8004 Illinois U.S.A.
  • 3123068005 | +1 312-306-8005 Illinois U.S.A.
  • 3123068006 | +1 312-306-8006 Illinois U.S.A.
  • 3123068007 | +1 312-306-8007 Illinois U.S.A.
  • 3123068008 | +1 312-306-8008 Illinois U.S.A.
  • 3123068009 | +1 312-306-8009 Illinois U.S.A.
  • 3123068010 | +1 312-306-8010 Illinois U.S.A.
  • 3123068011 | +1 312-306-8011 Illinois U.S.A.
  • 3123068012 | +1 312-306-8012 Illinois U.S.A.
  • 3123068013 | +1 312-306-8013 Illinois U.S.A.
  • 3123068014 | +1 312-306-8014 Illinois U.S.A.
  • 3123068015 | +1 312-306-8015 Illinois U.S.A.
  • 3123068016 | +1 312-306-8016 Illinois U.S.A.
  • 3123068017 | +1 312-306-8017 Illinois U.S.A.
  • 3123068018 | +1 312-306-8018 Illinois U.S.A.
  • 3123068019 | +1 312-306-8019 Illinois U.S.A.
  • 3123068020 | +1 312-306-8020 Illinois U.S.A.
  • 3123068021 | +1 312-306-8021 Illinois U.S.A.
  • 3123068022 | +1 312-306-8022 Illinois U.S.A.
  • 3123068023 | +1 312-306-8023 Illinois U.S.A.
  • 3123068024 | +1 312-306-8024 Illinois U.S.A.
  • 3123068025 | +1 312-306-8025 Illinois U.S.A.
  • 3123068026 | +1 312-306-8026 Illinois U.S.A.
  • 3123068027 | +1 312-306-8027 Illinois U.S.A.
  • 3123068028 | +1 312-306-8028 Illinois U.S.A.
  • 3123068029 | +1 312-306-8029 Illinois U.S.A.
  • 3123068030 | +1 312-306-8030 Illinois U.S.A.
  • 3123068031 | +1 312-306-8031 Illinois U.S.A.
  • 3123068032 | +1 312-306-8032 Illinois U.S.A.
  • 3123068033 | +1 312-306-8033 Illinois U.S.A.
  • 3123068034 | +1 312-306-8034 Illinois U.S.A.
  • 3123068035 | +1 312-306-8035 Illinois U.S.A.
  • 3123068036 | +1 312-306-8036 Illinois U.S.A.
  • 3123068037 | +1 312-306-8037 Illinois U.S.A.
  • 3123068038 | +1 312-306-8038 Illinois U.S.A.
  • 3123068039 | +1 312-306-8039 Illinois U.S.A.
  • 3123068040 | +1 312-306-8040 Illinois U.S.A.
  • 3123068041 | +1 312-306-8041 Illinois U.S.A.
  • 3123068042 | +1 312-306-8042 Illinois U.S.A.
  • 3123068043 | +1 312-306-8043 Illinois U.S.A.
  • 3123068044 | +1 312-306-8044 Illinois U.S.A.
  • 3123068045 | +1 312-306-8045 Illinois U.S.A.
  • 3123068046 | +1 312-306-8046 Illinois U.S.A.
  • 3123068047 | +1 312-306-8047 Illinois U.S.A.
  • 3123068048 | +1 312-306-8048 Illinois U.S.A.
  • 3123068049 | +1 312-306-8049 Illinois U.S.A.
  • 3123068050 | +1 312-306-8050 Illinois U.S.A.
  • 3123068051 | +1 312-306-8051 Illinois U.S.A.
  • 3123068052 | +1 312-306-8052 Illinois U.S.A.
  • 3123068053 | +1 312-306-8053 Illinois U.S.A.
  • 3123068054 | +1 312-306-8054 Illinois U.S.A.
  • 3123068055 | +1 312-306-8055 Illinois U.S.A.
  • 3123068056 | +1 312-306-8056 Illinois U.S.A.
  • 3123068057 | +1 312-306-8057 Illinois U.S.A.
  • 3123068058 | +1 312-306-8058 Illinois U.S.A.
  • 3123068059 | +1 312-306-8059 Illinois U.S.A.
  • 3123068060 | +1 312-306-8060 Illinois U.S.A.
  • 3123068061 | +1 312-306-8061 Illinois U.S.A.
  • 3123068062 | +1 312-306-8062 Illinois U.S.A.
  • 3123068063 | +1 312-306-8063 Illinois U.S.A.
  • 3123068064 | +1 312-306-8064 Illinois U.S.A.
  • 3123068065 | +1 312-306-8065 Illinois U.S.A.
  • 3123068066 | +1 312-306-8066 Illinois U.S.A.
  • 3123068067 | +1 312-306-8067 Illinois U.S.A.
  • 3123068068 | +1 312-306-8068 Illinois U.S.A.
  • 3123068069 | +1 312-306-8069 Illinois U.S.A.
  • 3123068070 | +1 312-306-8070 Illinois U.S.A.
  • 3123068071 | +1 312-306-8071 Illinois U.S.A.
  • 3123068072 | +1 312-306-8072 Illinois U.S.A.
  • 3123068073 | +1 312-306-8073 Illinois U.S.A.
  • 3123068074 | +1 312-306-8074 Illinois U.S.A.
  • 3123068075 | +1 312-306-8075 Illinois U.S.A.
  • 3123068076 | +1 312-306-8076 Illinois U.S.A.
  • 3123068077 | +1 312-306-8077 Illinois U.S.A.
  • 3123068078 | +1 312-306-8078 Illinois U.S.A.
  • 3123068079 | +1 312-306-8079 Illinois U.S.A.
  • 3123068080 | +1 312-306-8080 Illinois U.S.A.
  • 3123068081 | +1 312-306-8081 Illinois U.S.A.
  • 3123068082 | +1 312-306-8082 Illinois U.S.A.
  • 3123068083 | +1 312-306-8083 Illinois U.S.A.
  • 3123068084 | +1 312-306-8084 Illinois U.S.A.
  • 3123068085 | +1 312-306-8085 Illinois U.S.A.
  • 3123068086 | +1 312-306-8086 Illinois U.S.A.
  • 3123068087 | +1 312-306-8087 Illinois U.S.A.
  • 3123068088 | +1 312-306-8088 Illinois U.S.A.
  • 3123068089 | +1 312-306-8089 Illinois U.S.A.
  • 3123068090 | +1 312-306-8090 Illinois U.S.A.
  • 3123068091 | +1 312-306-8091 Illinois U.S.A.
  • 3123068092 | +1 312-306-8092 Illinois U.S.A.
  • 3123068093 | +1 312-306-8093 Illinois U.S.A.
  • 3123068094 | +1 312-306-8094 Illinois U.S.A.
  • 3123068095 | +1 312-306-8095 Illinois U.S.A.
  • 3123068096 | +1 312-306-8096 Illinois U.S.A.
  • 3123068097 | +1 312-306-8097 Illinois U.S.A.
  • 3123068098 | +1 312-306-8098 Illinois U.S.A.
  • 3123068099 | +1 312-306-8099 Illinois U.S.A.