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).

  • 3124279000 | +1 312-427-9000 Illinois U.S.A.
  • 3124279001 | +1 312-427-9001 Illinois U.S.A.
  • 3124279002 | +1 312-427-9002 Illinois U.S.A.
  • 3124279003 | +1 312-427-9003 Illinois U.S.A.
  • 3124279004 | +1 312-427-9004 Illinois U.S.A.
  • 3124279005 | +1 312-427-9005 Illinois U.S.A.
  • 3124279006 | +1 312-427-9006 Illinois U.S.A.
  • 3124279007 | +1 312-427-9007 Illinois U.S.A.
  • 3124279008 | +1 312-427-9008 Illinois U.S.A.
  • 3124279009 | +1 312-427-9009 Illinois U.S.A.
  • 3124279010 | +1 312-427-9010 Illinois U.S.A.
  • 3124279011 | +1 312-427-9011 Illinois U.S.A.
  • 3124279012 | +1 312-427-9012 Illinois U.S.A.
  • 3124279013 | +1 312-427-9013 Illinois U.S.A.
  • 3124279014 | +1 312-427-9014 Illinois U.S.A.
  • 3124279015 | +1 312-427-9015 Illinois U.S.A.
  • 3124279016 | +1 312-427-9016 Illinois U.S.A.
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  • 3124279018 | +1 312-427-9018 Illinois U.S.A.
  • 3124279019 | +1 312-427-9019 Illinois U.S.A.
  • 3124279020 | +1 312-427-9020 Illinois U.S.A.
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  • 3124279023 | +1 312-427-9023 Illinois U.S.A.
  • 3124279024 | +1 312-427-9024 Illinois U.S.A.
  • 3124279025 | +1 312-427-9025 Illinois U.S.A.
  • 3124279026 | +1 312-427-9026 Illinois U.S.A.
  • 3124279027 | +1 312-427-9027 Illinois U.S.A.
  • 3124279028 | +1 312-427-9028 Illinois U.S.A.
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  • 3124279031 | +1 312-427-9031 Illinois U.S.A.
  • 3124279032 | +1 312-427-9032 Illinois U.S.A.
  • 3124279033 | +1 312-427-9033 Illinois U.S.A.
  • 3124279034 | +1 312-427-9034 Illinois U.S.A.
  • 3124279035 | +1 312-427-9035 Illinois U.S.A.
  • 3124279036 | +1 312-427-9036 Illinois U.S.A.
  • 3124279037 | +1 312-427-9037 Illinois U.S.A.
  • 3124279038 | +1 312-427-9038 Illinois U.S.A.
  • 3124279039 | +1 312-427-9039 Illinois U.S.A.
  • 3124279040 | +1 312-427-9040 Illinois U.S.A.
  • 3124279041 | +1 312-427-9041 Illinois U.S.A.
  • 3124279042 | +1 312-427-9042 Illinois U.S.A.
  • 3124279043 | +1 312-427-9043 Illinois U.S.A.
  • 3124279044 | +1 312-427-9044 Illinois U.S.A.
  • 3124279045 | +1 312-427-9045 Illinois U.S.A.
  • 3124279046 | +1 312-427-9046 Illinois U.S.A.
  • 3124279047 | +1 312-427-9047 Illinois U.S.A.
  • 3124279048 | +1 312-427-9048 Illinois U.S.A.
  • 3124279049 | +1 312-427-9049 Illinois U.S.A.
  • 3124279050 | +1 312-427-9050 Illinois U.S.A.
  • 3124279051 | +1 312-427-9051 Illinois U.S.A.
  • 3124279052 | +1 312-427-9052 Illinois U.S.A.
  • 3124279053 | +1 312-427-9053 Illinois U.S.A.
  • 3124279054 | +1 312-427-9054 Illinois U.S.A.
  • 3124279055 | +1 312-427-9055 Illinois U.S.A.
  • 3124279056 | +1 312-427-9056 Illinois U.S.A.
  • 3124279057 | +1 312-427-9057 Illinois U.S.A.
  • 3124279058 | +1 312-427-9058 Illinois U.S.A.
  • 3124279059 | +1 312-427-9059 Illinois U.S.A.
  • 3124279060 | +1 312-427-9060 Illinois U.S.A.
  • 3124279061 | +1 312-427-9061 Illinois U.S.A.
  • 3124279062 | +1 312-427-9062 Illinois U.S.A.
  • 3124279063 | +1 312-427-9063 Illinois U.S.A.
  • 3124279064 | +1 312-427-9064 Illinois U.S.A.
  • 3124279065 | +1 312-427-9065 Illinois U.S.A.
  • 3124279066 | +1 312-427-9066 Illinois U.S.A.
  • 3124279067 | +1 312-427-9067 Illinois U.S.A.
  • 3124279068 | +1 312-427-9068 Illinois U.S.A.
  • 3124279069 | +1 312-427-9069 Illinois U.S.A.
  • 3124279070 | +1 312-427-9070 Illinois U.S.A.
  • 3124279071 | +1 312-427-9071 Illinois U.S.A.
  • 3124279072 | +1 312-427-9072 Illinois U.S.A.
  • 3124279073 | +1 312-427-9073 Illinois U.S.A.
  • 3124279074 | +1 312-427-9074 Illinois U.S.A.
  • 3124279075 | +1 312-427-9075 Illinois U.S.A.
  • 3124279076 | +1 312-427-9076 Illinois U.S.A.
  • 3124279077 | +1 312-427-9077 Illinois U.S.A.
  • 3124279078 | +1 312-427-9078 Illinois U.S.A.
  • 3124279079 | +1 312-427-9079 Illinois U.S.A.
  • 3124279080 | +1 312-427-9080 Illinois U.S.A.
  • 3124279081 | +1 312-427-9081 Illinois U.S.A.
  • 3124279082 | +1 312-427-9082 Illinois U.S.A.
  • 3124279083 | +1 312-427-9083 Illinois U.S.A.
  • 3124279084 | +1 312-427-9084 Illinois U.S.A.
  • 3124279085 | +1 312-427-9085 Illinois U.S.A.
  • 3124279086 | +1 312-427-9086 Illinois U.S.A.
  • 3124279087 | +1 312-427-9087 Illinois U.S.A.
  • 3124279088 | +1 312-427-9088 Illinois U.S.A.
  • 3124279089 | +1 312-427-9089 Illinois U.S.A.
  • 3124279090 | +1 312-427-9090 Illinois U.S.A.
  • 3124279091 | +1 312-427-9091 Illinois U.S.A.
  • 3124279092 | +1 312-427-9092 Illinois U.S.A.
  • 3124279093 | +1 312-427-9093 Illinois U.S.A.
  • 3124279094 | +1 312-427-9094 Illinois U.S.A.
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  • 3124279096 | +1 312-427-9096 Illinois U.S.A.
  • 3124279097 | +1 312-427-9097 Illinois U.S.A.
  • 3124279098 | +1 312-427-9098 Illinois U.S.A.
  • 3124279099 | +1 312-427-9099 Illinois U.S.A.