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).

  • 3123089000 | +1 312-308-9000 Illinois U.S.A.
  • 3123089001 | +1 312-308-9001 Illinois U.S.A.
  • 3123089002 | +1 312-308-9002 Illinois U.S.A.
  • 3123089003 | +1 312-308-9003 Illinois U.S.A.
  • 3123089004 | +1 312-308-9004 Illinois U.S.A.
  • 3123089005 | +1 312-308-9005 Illinois U.S.A.
  • 3123089006 | +1 312-308-9006 Illinois U.S.A.
  • 3123089007 | +1 312-308-9007 Illinois U.S.A.
  • 3123089008 | +1 312-308-9008 Illinois U.S.A.
  • 3123089009 | +1 312-308-9009 Illinois U.S.A.
  • 3123089010 | +1 312-308-9010 Illinois U.S.A.
  • 3123089011 | +1 312-308-9011 Illinois U.S.A.
  • 3123089012 | +1 312-308-9012 Illinois U.S.A.
  • 3123089013 | +1 312-308-9013 Illinois U.S.A.
  • 3123089014 | +1 312-308-9014 Illinois U.S.A.
  • 3123089015 | +1 312-308-9015 Illinois U.S.A.
  • 3123089016 | +1 312-308-9016 Illinois U.S.A.
  • 3123089017 | +1 312-308-9017 Illinois U.S.A.
  • 3123089018 | +1 312-308-9018 Illinois U.S.A.
  • 3123089019 | +1 312-308-9019 Illinois U.S.A.
  • 3123089020 | +1 312-308-9020 Illinois U.S.A.
  • 3123089021 | +1 312-308-9021 Illinois U.S.A.
  • 3123089022 | +1 312-308-9022 Illinois U.S.A.
  • 3123089023 | +1 312-308-9023 Illinois U.S.A.
  • 3123089024 | +1 312-308-9024 Illinois U.S.A.
  • 3123089025 | +1 312-308-9025 Illinois U.S.A.
  • 3123089026 | +1 312-308-9026 Illinois U.S.A.
  • 3123089027 | +1 312-308-9027 Illinois U.S.A.
  • 3123089028 | +1 312-308-9028 Illinois U.S.A.
  • 3123089029 | +1 312-308-9029 Illinois U.S.A.
  • 3123089030 | +1 312-308-9030 Illinois U.S.A.
  • 3123089031 | +1 312-308-9031 Illinois U.S.A.
  • 3123089032 | +1 312-308-9032 Illinois U.S.A.
  • 3123089033 | +1 312-308-9033 Illinois U.S.A.
  • 3123089034 | +1 312-308-9034 Illinois U.S.A.
  • 3123089035 | +1 312-308-9035 Illinois U.S.A.
  • 3123089036 | +1 312-308-9036 Illinois U.S.A.
  • 3123089037 | +1 312-308-9037 Illinois U.S.A.
  • 3123089038 | +1 312-308-9038 Illinois U.S.A.
  • 3123089039 | +1 312-308-9039 Illinois U.S.A.
  • 3123089040 | +1 312-308-9040 Illinois U.S.A.
  • 3123089041 | +1 312-308-9041 Illinois U.S.A.
  • 3123089042 | +1 312-308-9042 Illinois U.S.A.
  • 3123089043 | +1 312-308-9043 Illinois U.S.A.
  • 3123089044 | +1 312-308-9044 Illinois U.S.A.
  • 3123089045 | +1 312-308-9045 Illinois U.S.A.
  • 3123089046 | +1 312-308-9046 Illinois U.S.A.
  • 3123089047 | +1 312-308-9047 Illinois U.S.A.
  • 3123089048 | +1 312-308-9048 Illinois U.S.A.
  • 3123089049 | +1 312-308-9049 Illinois U.S.A.
  • 3123089050 | +1 312-308-9050 Illinois U.S.A.
  • 3123089051 | +1 312-308-9051 Illinois U.S.A.
  • 3123089052 | +1 312-308-9052 Illinois U.S.A.
  • 3123089053 | +1 312-308-9053 Illinois U.S.A.
  • 3123089054 | +1 312-308-9054 Illinois U.S.A.
  • 3123089055 | +1 312-308-9055 Illinois U.S.A.
  • 3123089056 | +1 312-308-9056 Illinois U.S.A.
  • 3123089057 | +1 312-308-9057 Illinois U.S.A.
  • 3123089058 | +1 312-308-9058 Illinois U.S.A.
  • 3123089059 | +1 312-308-9059 Illinois U.S.A.
  • 3123089060 | +1 312-308-9060 Illinois U.S.A.
  • 3123089061 | +1 312-308-9061 Illinois U.S.A.
  • 3123089062 | +1 312-308-9062 Illinois U.S.A.
  • 3123089063 | +1 312-308-9063 Illinois U.S.A.
  • 3123089064 | +1 312-308-9064 Illinois U.S.A.
  • 3123089065 | +1 312-308-9065 Illinois U.S.A.
  • 3123089066 | +1 312-308-9066 Illinois U.S.A.
  • 3123089067 | +1 312-308-9067 Illinois U.S.A.
  • 3123089068 | +1 312-308-9068 Illinois U.S.A.
  • 3123089069 | +1 312-308-9069 Illinois U.S.A.
  • 3123089070 | +1 312-308-9070 Illinois U.S.A.
  • 3123089071 | +1 312-308-9071 Illinois U.S.A.
  • 3123089072 | +1 312-308-9072 Illinois U.S.A.
  • 3123089073 | +1 312-308-9073 Illinois U.S.A.
  • 3123089074 | +1 312-308-9074 Illinois U.S.A.
  • 3123089075 | +1 312-308-9075 Illinois U.S.A.
  • 3123089076 | +1 312-308-9076 Illinois U.S.A.
  • 3123089077 | +1 312-308-9077 Illinois U.S.A.
  • 3123089078 | +1 312-308-9078 Illinois U.S.A.
  • 3123089079 | +1 312-308-9079 Illinois U.S.A.
  • 3123089080 | +1 312-308-9080 Illinois U.S.A.
  • 3123089081 | +1 312-308-9081 Illinois U.S.A.
  • 3123089082 | +1 312-308-9082 Illinois U.S.A.
  • 3123089083 | +1 312-308-9083 Illinois U.S.A.
  • 3123089084 | +1 312-308-9084 Illinois U.S.A.
  • 3123089085 | +1 312-308-9085 Illinois U.S.A.
  • 3123089086 | +1 312-308-9086 Illinois U.S.A.
  • 3123089087 | +1 312-308-9087 Illinois U.S.A.
  • 3123089088 | +1 312-308-9088 Illinois U.S.A.
  • 3123089089 | +1 312-308-9089 Illinois U.S.A.
  • 3123089090 | +1 312-308-9090 Illinois U.S.A.
  • 3123089091 | +1 312-308-9091 Illinois U.S.A.
  • 3123089092 | +1 312-308-9092 Illinois U.S.A.
  • 3123089093 | +1 312-308-9093 Illinois U.S.A.
  • 3123089094 | +1 312-308-9094 Illinois U.S.A.
  • 3123089095 | +1 312-308-9095 Illinois U.S.A.
  • 3123089096 | +1 312-308-9096 Illinois U.S.A.
  • 3123089097 | +1 312-308-9097 Illinois U.S.A.
  • 3123089098 | +1 312-308-9098 Illinois U.S.A.
  • 3123089099 | +1 312-308-9099 Illinois U.S.A.