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).

  • 3123239000 | +1 312-323-9000 Illinois U.S.A.
  • 3123239001 | +1 312-323-9001 Illinois U.S.A.
  • 3123239002 | +1 312-323-9002 Illinois U.S.A.
  • 3123239003 | +1 312-323-9003 Illinois U.S.A.
  • 3123239004 | +1 312-323-9004 Illinois U.S.A.
  • 3123239005 | +1 312-323-9005 Illinois U.S.A.
  • 3123239006 | +1 312-323-9006 Illinois U.S.A.
  • 3123239007 | +1 312-323-9007 Illinois U.S.A.
  • 3123239008 | +1 312-323-9008 Illinois U.S.A.
  • 3123239009 | +1 312-323-9009 Illinois U.S.A.
  • 3123239010 | +1 312-323-9010 Illinois U.S.A.
  • 3123239011 | +1 312-323-9011 Illinois U.S.A.
  • 3123239012 | +1 312-323-9012 Illinois U.S.A.
  • 3123239013 | +1 312-323-9013 Illinois U.S.A.
  • 3123239014 | +1 312-323-9014 Illinois U.S.A.
  • 3123239015 | +1 312-323-9015 Illinois U.S.A.
  • 3123239016 | +1 312-323-9016 Illinois U.S.A.
  • 3123239017 | +1 312-323-9017 Illinois U.S.A.
  • 3123239018 | +1 312-323-9018 Illinois U.S.A.
  • 3123239019 | +1 312-323-9019 Illinois U.S.A.
  • 3123239020 | +1 312-323-9020 Illinois U.S.A.
  • 3123239021 | +1 312-323-9021 Illinois U.S.A.
  • 3123239022 | +1 312-323-9022 Illinois U.S.A.
  • 3123239023 | +1 312-323-9023 Illinois U.S.A.
  • 3123239024 | +1 312-323-9024 Illinois U.S.A.
  • 3123239025 | +1 312-323-9025 Illinois U.S.A.
  • 3123239026 | +1 312-323-9026 Illinois U.S.A.
  • 3123239027 | +1 312-323-9027 Illinois U.S.A.
  • 3123239028 | +1 312-323-9028 Illinois U.S.A.
  • 3123239029 | +1 312-323-9029 Illinois U.S.A.
  • 3123239030 | +1 312-323-9030 Illinois U.S.A.
  • 3123239031 | +1 312-323-9031 Illinois U.S.A.
  • 3123239032 | +1 312-323-9032 Illinois U.S.A.
  • 3123239033 | +1 312-323-9033 Illinois U.S.A.
  • 3123239034 | +1 312-323-9034 Illinois U.S.A.
  • 3123239035 | +1 312-323-9035 Illinois U.S.A.
  • 3123239036 | +1 312-323-9036 Illinois U.S.A.
  • 3123239037 | +1 312-323-9037 Illinois U.S.A.
  • 3123239038 | +1 312-323-9038 Illinois U.S.A.
  • 3123239039 | +1 312-323-9039 Illinois U.S.A.
  • 3123239040 | +1 312-323-9040 Illinois U.S.A.
  • 3123239041 | +1 312-323-9041 Illinois U.S.A.
  • 3123239042 | +1 312-323-9042 Illinois U.S.A.
  • 3123239043 | +1 312-323-9043 Illinois U.S.A.
  • 3123239044 | +1 312-323-9044 Illinois U.S.A.
  • 3123239045 | +1 312-323-9045 Illinois U.S.A.
  • 3123239046 | +1 312-323-9046 Illinois U.S.A.
  • 3123239047 | +1 312-323-9047 Illinois U.S.A.
  • 3123239048 | +1 312-323-9048 Illinois U.S.A.
  • 3123239049 | +1 312-323-9049 Illinois U.S.A.
  • 3123239050 | +1 312-323-9050 Illinois U.S.A.
  • 3123239051 | +1 312-323-9051 Illinois U.S.A.
  • 3123239052 | +1 312-323-9052 Illinois U.S.A.
  • 3123239053 | +1 312-323-9053 Illinois U.S.A.
  • 3123239054 | +1 312-323-9054 Illinois U.S.A.
  • 3123239055 | +1 312-323-9055 Illinois U.S.A.
  • 3123239056 | +1 312-323-9056 Illinois U.S.A.
  • 3123239057 | +1 312-323-9057 Illinois U.S.A.
  • 3123239058 | +1 312-323-9058 Illinois U.S.A.
  • 3123239059 | +1 312-323-9059 Illinois U.S.A.
  • 3123239060 | +1 312-323-9060 Illinois U.S.A.
  • 3123239061 | +1 312-323-9061 Illinois U.S.A.
  • 3123239062 | +1 312-323-9062 Illinois U.S.A.
  • 3123239063 | +1 312-323-9063 Illinois U.S.A.
  • 3123239064 | +1 312-323-9064 Illinois U.S.A.
  • 3123239065 | +1 312-323-9065 Illinois U.S.A.
  • 3123239066 | +1 312-323-9066 Illinois U.S.A.
  • 3123239067 | +1 312-323-9067 Illinois U.S.A.
  • 3123239068 | +1 312-323-9068 Illinois U.S.A.
  • 3123239069 | +1 312-323-9069 Illinois U.S.A.
  • 3123239070 | +1 312-323-9070 Illinois U.S.A.
  • 3123239071 | +1 312-323-9071 Illinois U.S.A.
  • 3123239072 | +1 312-323-9072 Illinois U.S.A.
  • 3123239073 | +1 312-323-9073 Illinois U.S.A.
  • 3123239074 | +1 312-323-9074 Illinois U.S.A.
  • 3123239075 | +1 312-323-9075 Illinois U.S.A.
  • 3123239076 | +1 312-323-9076 Illinois U.S.A.
  • 3123239077 | +1 312-323-9077 Illinois U.S.A.
  • 3123239078 | +1 312-323-9078 Illinois U.S.A.
  • 3123239079 | +1 312-323-9079 Illinois U.S.A.
  • 3123239080 | +1 312-323-9080 Illinois U.S.A.
  • 3123239081 | +1 312-323-9081 Illinois U.S.A.
  • 3123239082 | +1 312-323-9082 Illinois U.S.A.
  • 3123239083 | +1 312-323-9083 Illinois U.S.A.
  • 3123239084 | +1 312-323-9084 Illinois U.S.A.
  • 3123239085 | +1 312-323-9085 Illinois U.S.A.
  • 3123239086 | +1 312-323-9086 Illinois U.S.A.
  • 3123239087 | +1 312-323-9087 Illinois U.S.A.
  • 3123239088 | +1 312-323-9088 Illinois U.S.A.
  • 3123239089 | +1 312-323-9089 Illinois U.S.A.
  • 3123239090 | +1 312-323-9090 Illinois U.S.A.
  • 3123239091 | +1 312-323-9091 Illinois U.S.A.
  • 3123239092 | +1 312-323-9092 Illinois U.S.A.
  • 3123239093 | +1 312-323-9093 Illinois U.S.A.
  • 3123239094 | +1 312-323-9094 Illinois U.S.A.
  • 3123239095 | +1 312-323-9095 Illinois U.S.A.
  • 3123239096 | +1 312-323-9096 Illinois U.S.A.
  • 3123239097 | +1 312-323-9097 Illinois U.S.A.
  • 3123239098 | +1 312-323-9098 Illinois U.S.A.
  • 3123239099 | +1 312-323-9099 Illinois U.S.A.