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).

  • 3127555000 | +1 312-755-5000 Illinois U.S.A.
  • 3127555001 | +1 312-755-5001 Illinois U.S.A.
  • 3127555002 | +1 312-755-5002 Illinois U.S.A.
  • 3127555003 | +1 312-755-5003 Illinois U.S.A.
  • 3127555004 | +1 312-755-5004 Illinois U.S.A.
  • 3127555005 | +1 312-755-5005 Illinois U.S.A.
  • 3127555006 | +1 312-755-5006 Illinois U.S.A.
  • 3127555007 | +1 312-755-5007 Illinois U.S.A.
  • 3127555008 | +1 312-755-5008 Illinois U.S.A.
  • 3127555009 | +1 312-755-5009 Illinois U.S.A.
  • 3127555010 | +1 312-755-5010 Illinois U.S.A.
  • 3127555011 | +1 312-755-5011 Illinois U.S.A.
  • 3127555012 | +1 312-755-5012 Illinois U.S.A.
  • 3127555013 | +1 312-755-5013 Illinois U.S.A.
  • 3127555014 | +1 312-755-5014 Illinois U.S.A.
  • 3127555015 | +1 312-755-5015 Illinois U.S.A.
  • 3127555016 | +1 312-755-5016 Illinois U.S.A.
  • 3127555017 | +1 312-755-5017 Illinois U.S.A.
  • 3127555018 | +1 312-755-5018 Illinois U.S.A.
  • 3127555019 | +1 312-755-5019 Illinois U.S.A.
  • 3127555020 | +1 312-755-5020 Illinois U.S.A.
  • 3127555021 | +1 312-755-5021 Illinois U.S.A.
  • 3127555022 | +1 312-755-5022 Illinois U.S.A.
  • 3127555023 | +1 312-755-5023 Illinois U.S.A.
  • 3127555024 | +1 312-755-5024 Illinois U.S.A.
  • 3127555025 | +1 312-755-5025 Illinois U.S.A.
  • 3127555026 | +1 312-755-5026 Illinois U.S.A.
  • 3127555027 | +1 312-755-5027 Illinois U.S.A.
  • 3127555028 | +1 312-755-5028 Illinois U.S.A.
  • 3127555029 | +1 312-755-5029 Illinois U.S.A.
  • 3127555030 | +1 312-755-5030 Illinois U.S.A.
  • 3127555031 | +1 312-755-5031 Illinois U.S.A.
  • 3127555032 | +1 312-755-5032 Illinois U.S.A.
  • 3127555033 | +1 312-755-5033 Illinois U.S.A.
  • 3127555034 | +1 312-755-5034 Illinois U.S.A.
  • 3127555035 | +1 312-755-5035 Illinois U.S.A.
  • 3127555036 | +1 312-755-5036 Illinois U.S.A.
  • 3127555037 | +1 312-755-5037 Illinois U.S.A.
  • 3127555038 | +1 312-755-5038 Illinois U.S.A.
  • 3127555039 | +1 312-755-5039 Illinois U.S.A.
  • 3127555040 | +1 312-755-5040 Illinois U.S.A.
  • 3127555041 | +1 312-755-5041 Illinois U.S.A.
  • 3127555042 | +1 312-755-5042 Illinois U.S.A.
  • 3127555043 | +1 312-755-5043 Illinois U.S.A.
  • 3127555044 | +1 312-755-5044 Illinois U.S.A.
  • 3127555045 | +1 312-755-5045 Illinois U.S.A.
  • 3127555046 | +1 312-755-5046 Illinois U.S.A.
  • 3127555047 | +1 312-755-5047 Illinois U.S.A.
  • 3127555048 | +1 312-755-5048 Illinois U.S.A.
  • 3127555049 | +1 312-755-5049 Illinois U.S.A.
  • 3127555050 | +1 312-755-5050 Illinois U.S.A.
  • 3127555051 | +1 312-755-5051 Illinois U.S.A.
  • 3127555052 | +1 312-755-5052 Illinois U.S.A.
  • 3127555053 | +1 312-755-5053 Illinois U.S.A.
  • 3127555054 | +1 312-755-5054 Illinois U.S.A.
  • 3127555055 | +1 312-755-5055 Illinois U.S.A.
  • 3127555056 | +1 312-755-5056 Illinois U.S.A.
  • 3127555057 | +1 312-755-5057 Illinois U.S.A.
  • 3127555058 | +1 312-755-5058 Illinois U.S.A.
  • 3127555059 | +1 312-755-5059 Illinois U.S.A.
  • 3127555060 | +1 312-755-5060 Illinois U.S.A.
  • 3127555061 | +1 312-755-5061 Illinois U.S.A.
  • 3127555062 | +1 312-755-5062 Illinois U.S.A.
  • 3127555063 | +1 312-755-5063 Illinois U.S.A.
  • 3127555064 | +1 312-755-5064 Illinois U.S.A.
  • 3127555065 | +1 312-755-5065 Illinois U.S.A.
  • 3127555066 | +1 312-755-5066 Illinois U.S.A.
  • 3127555067 | +1 312-755-5067 Illinois U.S.A.
  • 3127555068 | +1 312-755-5068 Illinois U.S.A.
  • 3127555069 | +1 312-755-5069 Illinois U.S.A.
  • 3127555070 | +1 312-755-5070 Illinois U.S.A.
  • 3127555071 | +1 312-755-5071 Illinois U.S.A.
  • 3127555072 | +1 312-755-5072 Illinois U.S.A.
  • 3127555073 | +1 312-755-5073 Illinois U.S.A.
  • 3127555074 | +1 312-755-5074 Illinois U.S.A.
  • 3127555075 | +1 312-755-5075 Illinois U.S.A.
  • 3127555076 | +1 312-755-5076 Illinois U.S.A.
  • 3127555077 | +1 312-755-5077 Illinois U.S.A.
  • 3127555078 | +1 312-755-5078 Illinois U.S.A.
  • 3127555079 | +1 312-755-5079 Illinois U.S.A.
  • 3127555080 | +1 312-755-5080 Illinois U.S.A.
  • 3127555081 | +1 312-755-5081 Illinois U.S.A.
  • 3127555082 | +1 312-755-5082 Illinois U.S.A.
  • 3127555083 | +1 312-755-5083 Illinois U.S.A.
  • 3127555084 | +1 312-755-5084 Illinois U.S.A.
  • 3127555085 | +1 312-755-5085 Illinois U.S.A.
  • 3127555086 | +1 312-755-5086 Illinois U.S.A.
  • 3127555087 | +1 312-755-5087 Illinois U.S.A.
  • 3127555088 | +1 312-755-5088 Illinois U.S.A.
  • 3127555089 | +1 312-755-5089 Illinois U.S.A.
  • 3127555090 | +1 312-755-5090 Illinois U.S.A.
  • 3127555091 | +1 312-755-5091 Illinois U.S.A.
  • 3127555092 | +1 312-755-5092 Illinois U.S.A.
  • 3127555093 | +1 312-755-5093 Illinois U.S.A.
  • 3127555094 | +1 312-755-5094 Illinois U.S.A.
  • 3127555095 | +1 312-755-5095 Illinois U.S.A.
  • 3127555096 | +1 312-755-5096 Illinois U.S.A.
  • 3127555097 | +1 312-755-5097 Illinois U.S.A.
  • 3127555098 | +1 312-755-5098 Illinois U.S.A.
  • 3127555099 | +1 312-755-5099 Illinois U.S.A.