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).

  • 3122979000 | +1 312-297-9000 Illinois U.S.A.
  • 3122979001 | +1 312-297-9001 Illinois U.S.A.
  • 3122979002 | +1 312-297-9002 Illinois U.S.A.
  • 3122979003 | +1 312-297-9003 Illinois U.S.A.
  • 3122979004 | +1 312-297-9004 Illinois U.S.A.
  • 3122979005 | +1 312-297-9005 Illinois U.S.A.
  • 3122979006 | +1 312-297-9006 Illinois U.S.A.
  • 3122979007 | +1 312-297-9007 Illinois U.S.A.
  • 3122979008 | +1 312-297-9008 Illinois U.S.A.
  • 3122979009 | +1 312-297-9009 Illinois U.S.A.
  • 3122979010 | +1 312-297-9010 Illinois U.S.A.
  • 3122979011 | +1 312-297-9011 Illinois U.S.A.
  • 3122979012 | +1 312-297-9012 Illinois U.S.A.
  • 3122979013 | +1 312-297-9013 Illinois U.S.A.
  • 3122979014 | +1 312-297-9014 Illinois U.S.A.
  • 3122979015 | +1 312-297-9015 Illinois U.S.A.
  • 3122979016 | +1 312-297-9016 Illinois U.S.A.
  • 3122979017 | +1 312-297-9017 Illinois U.S.A.
  • 3122979018 | +1 312-297-9018 Illinois U.S.A.
  • 3122979019 | +1 312-297-9019 Illinois U.S.A.
  • 3122979020 | +1 312-297-9020 Illinois U.S.A.
  • 3122979021 | +1 312-297-9021 Illinois U.S.A.
  • 3122979022 | +1 312-297-9022 Illinois U.S.A.
  • 3122979023 | +1 312-297-9023 Illinois U.S.A.
  • 3122979024 | +1 312-297-9024 Illinois U.S.A.
  • 3122979025 | +1 312-297-9025 Illinois U.S.A.
  • 3122979026 | +1 312-297-9026 Illinois U.S.A.
  • 3122979027 | +1 312-297-9027 Illinois U.S.A.
  • 3122979028 | +1 312-297-9028 Illinois U.S.A.
  • 3122979029 | +1 312-297-9029 Illinois U.S.A.
  • 3122979030 | +1 312-297-9030 Illinois U.S.A.
  • 3122979031 | +1 312-297-9031 Illinois U.S.A.
  • 3122979032 | +1 312-297-9032 Illinois U.S.A.
  • 3122979033 | +1 312-297-9033 Illinois U.S.A.
  • 3122979034 | +1 312-297-9034 Illinois U.S.A.
  • 3122979035 | +1 312-297-9035 Illinois U.S.A.
  • 3122979036 | +1 312-297-9036 Illinois U.S.A.
  • 3122979037 | +1 312-297-9037 Illinois U.S.A.
  • 3122979038 | +1 312-297-9038 Illinois U.S.A.
  • 3122979039 | +1 312-297-9039 Illinois U.S.A.
  • 3122979040 | +1 312-297-9040 Illinois U.S.A.
  • 3122979041 | +1 312-297-9041 Illinois U.S.A.
  • 3122979042 | +1 312-297-9042 Illinois U.S.A.
  • 3122979043 | +1 312-297-9043 Illinois U.S.A.
  • 3122979044 | +1 312-297-9044 Illinois U.S.A.
  • 3122979045 | +1 312-297-9045 Illinois U.S.A.
  • 3122979046 | +1 312-297-9046 Illinois U.S.A.
  • 3122979047 | +1 312-297-9047 Illinois U.S.A.
  • 3122979048 | +1 312-297-9048 Illinois U.S.A.
  • 3122979049 | +1 312-297-9049 Illinois U.S.A.
  • 3122979050 | +1 312-297-9050 Illinois U.S.A.
  • 3122979051 | +1 312-297-9051 Illinois U.S.A.
  • 3122979052 | +1 312-297-9052 Illinois U.S.A.
  • 3122979053 | +1 312-297-9053 Illinois U.S.A.
  • 3122979054 | +1 312-297-9054 Illinois U.S.A.
  • 3122979055 | +1 312-297-9055 Illinois U.S.A.
  • 3122979056 | +1 312-297-9056 Illinois U.S.A.
  • 3122979057 | +1 312-297-9057 Illinois U.S.A.
  • 3122979058 | +1 312-297-9058 Illinois U.S.A.
  • 3122979059 | +1 312-297-9059 Illinois U.S.A.
  • 3122979060 | +1 312-297-9060 Illinois U.S.A.
  • 3122979061 | +1 312-297-9061 Illinois U.S.A.
  • 3122979062 | +1 312-297-9062 Illinois U.S.A.
  • 3122979063 | +1 312-297-9063 Illinois U.S.A.
  • 3122979064 | +1 312-297-9064 Illinois U.S.A.
  • 3122979065 | +1 312-297-9065 Illinois U.S.A.
  • 3122979066 | +1 312-297-9066 Illinois U.S.A.
  • 3122979067 | +1 312-297-9067 Illinois U.S.A.
  • 3122979068 | +1 312-297-9068 Illinois U.S.A.
  • 3122979069 | +1 312-297-9069 Illinois U.S.A.
  • 3122979070 | +1 312-297-9070 Illinois U.S.A.
  • 3122979071 | +1 312-297-9071 Illinois U.S.A.
  • 3122979072 | +1 312-297-9072 Illinois U.S.A.
  • 3122979073 | +1 312-297-9073 Illinois U.S.A.
  • 3122979074 | +1 312-297-9074 Illinois U.S.A.
  • 3122979075 | +1 312-297-9075 Illinois U.S.A.
  • 3122979076 | +1 312-297-9076 Illinois U.S.A.
  • 3122979077 | +1 312-297-9077 Illinois U.S.A.
  • 3122979078 | +1 312-297-9078 Illinois U.S.A.
  • 3122979079 | +1 312-297-9079 Illinois U.S.A.
  • 3122979080 | +1 312-297-9080 Illinois U.S.A.
  • 3122979081 | +1 312-297-9081 Illinois U.S.A.
  • 3122979082 | +1 312-297-9082 Illinois U.S.A.
  • 3122979083 | +1 312-297-9083 Illinois U.S.A.
  • 3122979084 | +1 312-297-9084 Illinois U.S.A.
  • 3122979085 | +1 312-297-9085 Illinois U.S.A.
  • 3122979086 | +1 312-297-9086 Illinois U.S.A.
  • 3122979087 | +1 312-297-9087 Illinois U.S.A.
  • 3122979088 | +1 312-297-9088 Illinois U.S.A.
  • 3122979089 | +1 312-297-9089 Illinois U.S.A.
  • 3122979090 | +1 312-297-9090 Illinois U.S.A.
  • 3122979091 | +1 312-297-9091 Illinois U.S.A.
  • 3122979092 | +1 312-297-9092 Illinois U.S.A.
  • 3122979093 | +1 312-297-9093 Illinois U.S.A.
  • 3122979094 | +1 312-297-9094 Illinois U.S.A.
  • 3122979095 | +1 312-297-9095 Illinois U.S.A.
  • 3122979096 | +1 312-297-9096 Illinois U.S.A.
  • 3122979097 | +1 312-297-9097 Illinois U.S.A.
  • 3122979098 | +1 312-297-9098 Illinois U.S.A.
  • 3122979099 | +1 312-297-9099 Illinois U.S.A.