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).

  • 3124309000 | +1 312-430-9000 Illinois U.S.A.
  • 3124309001 | +1 312-430-9001 Illinois U.S.A.
  • 3124309002 | +1 312-430-9002 Illinois U.S.A.
  • 3124309003 | +1 312-430-9003 Illinois U.S.A.
  • 3124309004 | +1 312-430-9004 Illinois U.S.A.
  • 3124309005 | +1 312-430-9005 Illinois U.S.A.
  • 3124309006 | +1 312-430-9006 Illinois U.S.A.
  • 3124309007 | +1 312-430-9007 Illinois U.S.A.
  • 3124309008 | +1 312-430-9008 Illinois U.S.A.
  • 3124309009 | +1 312-430-9009 Illinois U.S.A.
  • 3124309010 | +1 312-430-9010 Illinois U.S.A.
  • 3124309011 | +1 312-430-9011 Illinois U.S.A.
  • 3124309012 | +1 312-430-9012 Illinois U.S.A.
  • 3124309013 | +1 312-430-9013 Illinois U.S.A.
  • 3124309014 | +1 312-430-9014 Illinois U.S.A.
  • 3124309015 | +1 312-430-9015 Illinois U.S.A.
  • 3124309016 | +1 312-430-9016 Illinois U.S.A.
  • 3124309017 | +1 312-430-9017 Illinois U.S.A.
  • 3124309018 | +1 312-430-9018 Illinois U.S.A.
  • 3124309019 | +1 312-430-9019 Illinois U.S.A.
  • 3124309020 | +1 312-430-9020 Illinois U.S.A.
  • 3124309021 | +1 312-430-9021 Illinois U.S.A.
  • 3124309022 | +1 312-430-9022 Illinois U.S.A.
  • 3124309023 | +1 312-430-9023 Illinois U.S.A.
  • 3124309024 | +1 312-430-9024 Illinois U.S.A.
  • 3124309025 | +1 312-430-9025 Illinois U.S.A.
  • 3124309026 | +1 312-430-9026 Illinois U.S.A.
  • 3124309027 | +1 312-430-9027 Illinois U.S.A.
  • 3124309028 | +1 312-430-9028 Illinois U.S.A.
  • 3124309029 | +1 312-430-9029 Illinois U.S.A.
  • 3124309030 | +1 312-430-9030 Illinois U.S.A.
  • 3124309031 | +1 312-430-9031 Illinois U.S.A.
  • 3124309032 | +1 312-430-9032 Illinois U.S.A.
  • 3124309033 | +1 312-430-9033 Illinois U.S.A.
  • 3124309034 | +1 312-430-9034 Illinois U.S.A.
  • 3124309035 | +1 312-430-9035 Illinois U.S.A.
  • 3124309036 | +1 312-430-9036 Illinois U.S.A.
  • 3124309037 | +1 312-430-9037 Illinois U.S.A.
  • 3124309038 | +1 312-430-9038 Illinois U.S.A.
  • 3124309039 | +1 312-430-9039 Illinois U.S.A.
  • 3124309040 | +1 312-430-9040 Illinois U.S.A.
  • 3124309041 | +1 312-430-9041 Illinois U.S.A.
  • 3124309042 | +1 312-430-9042 Illinois U.S.A.
  • 3124309043 | +1 312-430-9043 Illinois U.S.A.
  • 3124309044 | +1 312-430-9044 Illinois U.S.A.
  • 3124309045 | +1 312-430-9045 Illinois U.S.A.
  • 3124309046 | +1 312-430-9046 Illinois U.S.A.
  • 3124309047 | +1 312-430-9047 Illinois U.S.A.
  • 3124309048 | +1 312-430-9048 Illinois U.S.A.
  • 3124309049 | +1 312-430-9049 Illinois U.S.A.
  • 3124309050 | +1 312-430-9050 Illinois U.S.A.
  • 3124309051 | +1 312-430-9051 Illinois U.S.A.
  • 3124309052 | +1 312-430-9052 Illinois U.S.A.
  • 3124309053 | +1 312-430-9053 Illinois U.S.A.
  • 3124309054 | +1 312-430-9054 Illinois U.S.A.
  • 3124309055 | +1 312-430-9055 Illinois U.S.A.
  • 3124309056 | +1 312-430-9056 Illinois U.S.A.
  • 3124309057 | +1 312-430-9057 Illinois U.S.A.
  • 3124309058 | +1 312-430-9058 Illinois U.S.A.
  • 3124309059 | +1 312-430-9059 Illinois U.S.A.
  • 3124309060 | +1 312-430-9060 Illinois U.S.A.
  • 3124309061 | +1 312-430-9061 Illinois U.S.A.
  • 3124309062 | +1 312-430-9062 Illinois U.S.A.
  • 3124309063 | +1 312-430-9063 Illinois U.S.A.
  • 3124309064 | +1 312-430-9064 Illinois U.S.A.
  • 3124309065 | +1 312-430-9065 Illinois U.S.A.
  • 3124309066 | +1 312-430-9066 Illinois U.S.A.
  • 3124309067 | +1 312-430-9067 Illinois U.S.A.
  • 3124309068 | +1 312-430-9068 Illinois U.S.A.
  • 3124309069 | +1 312-430-9069 Illinois U.S.A.
  • 3124309070 | +1 312-430-9070 Illinois U.S.A.
  • 3124309071 | +1 312-430-9071 Illinois U.S.A.
  • 3124309072 | +1 312-430-9072 Illinois U.S.A.
  • 3124309073 | +1 312-430-9073 Illinois U.S.A.
  • 3124309074 | +1 312-430-9074 Illinois U.S.A.
  • 3124309075 | +1 312-430-9075 Illinois U.S.A.
  • 3124309076 | +1 312-430-9076 Illinois U.S.A.
  • 3124309077 | +1 312-430-9077 Illinois U.S.A.
  • 3124309078 | +1 312-430-9078 Illinois U.S.A.
  • 3124309079 | +1 312-430-9079 Illinois U.S.A.
  • 3124309080 | +1 312-430-9080 Illinois U.S.A.
  • 3124309081 | +1 312-430-9081 Illinois U.S.A.
  • 3124309082 | +1 312-430-9082 Illinois U.S.A.
  • 3124309083 | +1 312-430-9083 Illinois U.S.A.
  • 3124309084 | +1 312-430-9084 Illinois U.S.A.
  • 3124309085 | +1 312-430-9085 Illinois U.S.A.
  • 3124309086 | +1 312-430-9086 Illinois U.S.A.
  • 3124309087 | +1 312-430-9087 Illinois U.S.A.
  • 3124309088 | +1 312-430-9088 Illinois U.S.A.
  • 3124309089 | +1 312-430-9089 Illinois U.S.A.
  • 3124309090 | +1 312-430-9090 Illinois U.S.A.
  • 3124309091 | +1 312-430-9091 Illinois U.S.A.
  • 3124309092 | +1 312-430-9092 Illinois U.S.A.
  • 3124309093 | +1 312-430-9093 Illinois U.S.A.
  • 3124309094 | +1 312-430-9094 Illinois U.S.A.
  • 3124309095 | +1 312-430-9095 Illinois U.S.A.
  • 3124309096 | +1 312-430-9096 Illinois U.S.A.
  • 3124309097 | +1 312-430-9097 Illinois U.S.A.
  • 3124309098 | +1 312-430-9098 Illinois U.S.A.
  • 3124309099 | +1 312-430-9099 Illinois U.S.A.