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).

  • 3126339000 | +1 312-633-9000 Illinois U.S.A.
  • 3126339001 | +1 312-633-9001 Illinois U.S.A.
  • 3126339002 | +1 312-633-9002 Illinois U.S.A.
  • 3126339003 | +1 312-633-9003 Illinois U.S.A.
  • 3126339004 | +1 312-633-9004 Illinois U.S.A.
  • 3126339005 | +1 312-633-9005 Illinois U.S.A.
  • 3126339006 | +1 312-633-9006 Illinois U.S.A.
  • 3126339007 | +1 312-633-9007 Illinois U.S.A.
  • 3126339008 | +1 312-633-9008 Illinois U.S.A.
  • 3126339009 | +1 312-633-9009 Illinois U.S.A.
  • 3126339010 | +1 312-633-9010 Illinois U.S.A.
  • 3126339011 | +1 312-633-9011 Illinois U.S.A.
  • 3126339012 | +1 312-633-9012 Illinois U.S.A.
  • 3126339013 | +1 312-633-9013 Illinois U.S.A.
  • 3126339014 | +1 312-633-9014 Illinois U.S.A.
  • 3126339015 | +1 312-633-9015 Illinois U.S.A.
  • 3126339016 | +1 312-633-9016 Illinois U.S.A.
  • 3126339017 | +1 312-633-9017 Illinois U.S.A.
  • 3126339018 | +1 312-633-9018 Illinois U.S.A.
  • 3126339019 | +1 312-633-9019 Illinois U.S.A.
  • 3126339020 | +1 312-633-9020 Illinois U.S.A.
  • 3126339021 | +1 312-633-9021 Illinois U.S.A.
  • 3126339022 | +1 312-633-9022 Illinois U.S.A.
  • 3126339023 | +1 312-633-9023 Illinois U.S.A.
  • 3126339024 | +1 312-633-9024 Illinois U.S.A.
  • 3126339025 | +1 312-633-9025 Illinois U.S.A.
  • 3126339026 | +1 312-633-9026 Illinois U.S.A.
  • 3126339027 | +1 312-633-9027 Illinois U.S.A.
  • 3126339028 | +1 312-633-9028 Illinois U.S.A.
  • 3126339029 | +1 312-633-9029 Illinois U.S.A.
  • 3126339030 | +1 312-633-9030 Illinois U.S.A.
  • 3126339031 | +1 312-633-9031 Illinois U.S.A.
  • 3126339032 | +1 312-633-9032 Illinois U.S.A.
  • 3126339033 | +1 312-633-9033 Illinois U.S.A.
  • 3126339034 | +1 312-633-9034 Illinois U.S.A.
  • 3126339035 | +1 312-633-9035 Illinois U.S.A.
  • 3126339036 | +1 312-633-9036 Illinois U.S.A.
  • 3126339037 | +1 312-633-9037 Illinois U.S.A.
  • 3126339038 | +1 312-633-9038 Illinois U.S.A.
  • 3126339039 | +1 312-633-9039 Illinois U.S.A.
  • 3126339040 | +1 312-633-9040 Illinois U.S.A.
  • 3126339041 | +1 312-633-9041 Illinois U.S.A.
  • 3126339042 | +1 312-633-9042 Illinois U.S.A.
  • 3126339043 | +1 312-633-9043 Illinois U.S.A.
  • 3126339044 | +1 312-633-9044 Illinois U.S.A.
  • 3126339045 | +1 312-633-9045 Illinois U.S.A.
  • 3126339046 | +1 312-633-9046 Illinois U.S.A.
  • 3126339047 | +1 312-633-9047 Illinois U.S.A.
  • 3126339048 | +1 312-633-9048 Illinois U.S.A.
  • 3126339049 | +1 312-633-9049 Illinois U.S.A.
  • 3126339050 | +1 312-633-9050 Illinois U.S.A.
  • 3126339051 | +1 312-633-9051 Illinois U.S.A.
  • 3126339052 | +1 312-633-9052 Illinois U.S.A.
  • 3126339053 | +1 312-633-9053 Illinois U.S.A.
  • 3126339054 | +1 312-633-9054 Illinois U.S.A.
  • 3126339055 | +1 312-633-9055 Illinois U.S.A.
  • 3126339056 | +1 312-633-9056 Illinois U.S.A.
  • 3126339057 | +1 312-633-9057 Illinois U.S.A.
  • 3126339058 | +1 312-633-9058 Illinois U.S.A.
  • 3126339059 | +1 312-633-9059 Illinois U.S.A.
  • 3126339060 | +1 312-633-9060 Illinois U.S.A.
  • 3126339061 | +1 312-633-9061 Illinois U.S.A.
  • 3126339062 | +1 312-633-9062 Illinois U.S.A.
  • 3126339063 | +1 312-633-9063 Illinois U.S.A.
  • 3126339064 | +1 312-633-9064 Illinois U.S.A.
  • 3126339065 | +1 312-633-9065 Illinois U.S.A.
  • 3126339066 | +1 312-633-9066 Illinois U.S.A.
  • 3126339067 | +1 312-633-9067 Illinois U.S.A.
  • 3126339068 | +1 312-633-9068 Illinois U.S.A.
  • 3126339069 | +1 312-633-9069 Illinois U.S.A.
  • 3126339070 | +1 312-633-9070 Illinois U.S.A.
  • 3126339071 | +1 312-633-9071 Illinois U.S.A.
  • 3126339072 | +1 312-633-9072 Illinois U.S.A.
  • 3126339073 | +1 312-633-9073 Illinois U.S.A.
  • 3126339074 | +1 312-633-9074 Illinois U.S.A.
  • 3126339075 | +1 312-633-9075 Illinois U.S.A.
  • 3126339076 | +1 312-633-9076 Illinois U.S.A.
  • 3126339077 | +1 312-633-9077 Illinois U.S.A.
  • 3126339078 | +1 312-633-9078 Illinois U.S.A.
  • 3126339079 | +1 312-633-9079 Illinois U.S.A.
  • 3126339080 | +1 312-633-9080 Illinois U.S.A.
  • 3126339081 | +1 312-633-9081 Illinois U.S.A.
  • 3126339082 | +1 312-633-9082 Illinois U.S.A.
  • 3126339083 | +1 312-633-9083 Illinois U.S.A.
  • 3126339084 | +1 312-633-9084 Illinois U.S.A.
  • 3126339085 | +1 312-633-9085 Illinois U.S.A.
  • 3126339086 | +1 312-633-9086 Illinois U.S.A.
  • 3126339087 | +1 312-633-9087 Illinois U.S.A.
  • 3126339088 | +1 312-633-9088 Illinois U.S.A.
  • 3126339089 | +1 312-633-9089 Illinois U.S.A.
  • 3126339090 | +1 312-633-9090 Illinois U.S.A.
  • 3126339091 | +1 312-633-9091 Illinois U.S.A.
  • 3126339092 | +1 312-633-9092 Illinois U.S.A.
  • 3126339093 | +1 312-633-9093 Illinois U.S.A.
  • 3126339094 | +1 312-633-9094 Illinois U.S.A.
  • 3126339095 | +1 312-633-9095 Illinois U.S.A.
  • 3126339096 | +1 312-633-9096 Illinois U.S.A.
  • 3126339097 | +1 312-633-9097 Illinois U.S.A.
  • 3126339098 | +1 312-633-9098 Illinois U.S.A.
  • 3126339099 | +1 312-633-9099 Illinois U.S.A.