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).

  • 3124275000 | +1 312-427-5000 Illinois U.S.A.
  • 3124275001 | +1 312-427-5001 Illinois U.S.A.
  • 3124275002 | +1 312-427-5002 Illinois U.S.A.
  • 3124275003 | +1 312-427-5003 Illinois U.S.A.
  • 3124275004 | +1 312-427-5004 Illinois U.S.A.
  • 3124275005 | +1 312-427-5005 Illinois U.S.A.
  • 3124275006 | +1 312-427-5006 Illinois U.S.A.
  • 3124275007 | +1 312-427-5007 Illinois U.S.A.
  • 3124275008 | +1 312-427-5008 Illinois U.S.A.
  • 3124275009 | +1 312-427-5009 Illinois U.S.A.
  • 3124275010 | +1 312-427-5010 Illinois U.S.A.
  • 3124275011 | +1 312-427-5011 Illinois U.S.A.
  • 3124275012 | +1 312-427-5012 Illinois U.S.A.
  • 3124275013 | +1 312-427-5013 Illinois U.S.A.
  • 3124275014 | +1 312-427-5014 Illinois U.S.A.
  • 3124275015 | +1 312-427-5015 Illinois U.S.A.
  • 3124275016 | +1 312-427-5016 Illinois U.S.A.
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  • 3124275018 | +1 312-427-5018 Illinois U.S.A.
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  • 3124275020 | +1 312-427-5020 Illinois U.S.A.
  • 3124275021 | +1 312-427-5021 Illinois U.S.A.
  • 3124275022 | +1 312-427-5022 Illinois U.S.A.
  • 3124275023 | +1 312-427-5023 Illinois U.S.A.
  • 3124275024 | +1 312-427-5024 Illinois U.S.A.
  • 3124275025 | +1 312-427-5025 Illinois U.S.A.
  • 3124275026 | +1 312-427-5026 Illinois U.S.A.
  • 3124275027 | +1 312-427-5027 Illinois U.S.A.
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  • 3124275031 | +1 312-427-5031 Illinois U.S.A.
  • 3124275032 | +1 312-427-5032 Illinois U.S.A.
  • 3124275033 | +1 312-427-5033 Illinois U.S.A.
  • 3124275034 | +1 312-427-5034 Illinois U.S.A.
  • 3124275035 | +1 312-427-5035 Illinois U.S.A.
  • 3124275036 | +1 312-427-5036 Illinois U.S.A.
  • 3124275037 | +1 312-427-5037 Illinois U.S.A.
  • 3124275038 | +1 312-427-5038 Illinois U.S.A.
  • 3124275039 | +1 312-427-5039 Illinois U.S.A.
  • 3124275040 | +1 312-427-5040 Illinois U.S.A.
  • 3124275041 | +1 312-427-5041 Illinois U.S.A.
  • 3124275042 | +1 312-427-5042 Illinois U.S.A.
  • 3124275043 | +1 312-427-5043 Illinois U.S.A.
  • 3124275044 | +1 312-427-5044 Illinois U.S.A.
  • 3124275045 | +1 312-427-5045 Illinois U.S.A.
  • 3124275046 | +1 312-427-5046 Illinois U.S.A.
  • 3124275047 | +1 312-427-5047 Illinois U.S.A.
  • 3124275048 | +1 312-427-5048 Illinois U.S.A.
  • 3124275049 | +1 312-427-5049 Illinois U.S.A.
  • 3124275050 | +1 312-427-5050 Illinois U.S.A.
  • 3124275051 | +1 312-427-5051 Illinois U.S.A.
  • 3124275052 | +1 312-427-5052 Illinois U.S.A.
  • 3124275053 | +1 312-427-5053 Illinois U.S.A.
  • 3124275054 | +1 312-427-5054 Illinois U.S.A.
  • 3124275055 | +1 312-427-5055 Illinois U.S.A.
  • 3124275056 | +1 312-427-5056 Illinois U.S.A.
  • 3124275057 | +1 312-427-5057 Illinois U.S.A.
  • 3124275058 | +1 312-427-5058 Illinois U.S.A.
  • 3124275059 | +1 312-427-5059 Illinois U.S.A.
  • 3124275060 | +1 312-427-5060 Illinois U.S.A.
  • 3124275061 | +1 312-427-5061 Illinois U.S.A.
  • 3124275062 | +1 312-427-5062 Illinois U.S.A.
  • 3124275063 | +1 312-427-5063 Illinois U.S.A.
  • 3124275064 | +1 312-427-5064 Illinois U.S.A.
  • 3124275065 | +1 312-427-5065 Illinois U.S.A.
  • 3124275066 | +1 312-427-5066 Illinois U.S.A.
  • 3124275067 | +1 312-427-5067 Illinois U.S.A.
  • 3124275068 | +1 312-427-5068 Illinois U.S.A.
  • 3124275069 | +1 312-427-5069 Illinois U.S.A.
  • 3124275070 | +1 312-427-5070 Illinois U.S.A.
  • 3124275071 | +1 312-427-5071 Illinois U.S.A.
  • 3124275072 | +1 312-427-5072 Illinois U.S.A.
  • 3124275073 | +1 312-427-5073 Illinois U.S.A.
  • 3124275074 | +1 312-427-5074 Illinois U.S.A.
  • 3124275075 | +1 312-427-5075 Illinois U.S.A.
  • 3124275076 | +1 312-427-5076 Illinois U.S.A.
  • 3124275077 | +1 312-427-5077 Illinois U.S.A.
  • 3124275078 | +1 312-427-5078 Illinois U.S.A.
  • 3124275079 | +1 312-427-5079 Illinois U.S.A.
  • 3124275080 | +1 312-427-5080 Illinois U.S.A.
  • 3124275081 | +1 312-427-5081 Illinois U.S.A.
  • 3124275082 | +1 312-427-5082 Illinois U.S.A.
  • 3124275083 | +1 312-427-5083 Illinois U.S.A.
  • 3124275084 | +1 312-427-5084 Illinois U.S.A.
  • 3124275085 | +1 312-427-5085 Illinois U.S.A.
  • 3124275086 | +1 312-427-5086 Illinois U.S.A.
  • 3124275087 | +1 312-427-5087 Illinois U.S.A.
  • 3124275088 | +1 312-427-5088 Illinois U.S.A.
  • 3124275089 | +1 312-427-5089 Illinois U.S.A.
  • 3124275090 | +1 312-427-5090 Illinois U.S.A.
  • 3124275091 | +1 312-427-5091 Illinois U.S.A.
  • 3124275092 | +1 312-427-5092 Illinois U.S.A.
  • 3124275093 | +1 312-427-5093 Illinois U.S.A.
  • 3124275094 | +1 312-427-5094 Illinois U.S.A.
  • 3124275095 | +1 312-427-5095 Illinois U.S.A.
  • 3124275096 | +1 312-427-5096 Illinois U.S.A.
  • 3124275097 | +1 312-427-5097 Illinois U.S.A.
  • 3124275098 | +1 312-427-5098 Illinois U.S.A.
  • 3124275099 | +1 312-427-5099 Illinois U.S.A.