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).

  • 3125425000 | +1 312-542-5000 Illinois U.S.A.
  • 3125425001 | +1 312-542-5001 Illinois U.S.A.
  • 3125425002 | +1 312-542-5002 Illinois U.S.A.
  • 3125425003 | +1 312-542-5003 Illinois U.S.A.
  • 3125425004 | +1 312-542-5004 Illinois U.S.A.
  • 3125425005 | +1 312-542-5005 Illinois U.S.A.
  • 3125425006 | +1 312-542-5006 Illinois U.S.A.
  • 3125425007 | +1 312-542-5007 Illinois U.S.A.
  • 3125425008 | +1 312-542-5008 Illinois U.S.A.
  • 3125425009 | +1 312-542-5009 Illinois U.S.A.
  • 3125425010 | +1 312-542-5010 Illinois U.S.A.
  • 3125425011 | +1 312-542-5011 Illinois U.S.A.
  • 3125425012 | +1 312-542-5012 Illinois U.S.A.
  • 3125425013 | +1 312-542-5013 Illinois U.S.A.
  • 3125425014 | +1 312-542-5014 Illinois U.S.A.
  • 3125425015 | +1 312-542-5015 Illinois U.S.A.
  • 3125425016 | +1 312-542-5016 Illinois U.S.A.
  • 3125425017 | +1 312-542-5017 Illinois U.S.A.
  • 3125425018 | +1 312-542-5018 Illinois U.S.A.
  • 3125425019 | +1 312-542-5019 Illinois U.S.A.
  • 3125425020 | +1 312-542-5020 Illinois U.S.A.
  • 3125425021 | +1 312-542-5021 Illinois U.S.A.
  • 3125425022 | +1 312-542-5022 Illinois U.S.A.
  • 3125425023 | +1 312-542-5023 Illinois U.S.A.
  • 3125425024 | +1 312-542-5024 Illinois U.S.A.
  • 3125425025 | +1 312-542-5025 Illinois U.S.A.
  • 3125425026 | +1 312-542-5026 Illinois U.S.A.
  • 3125425027 | +1 312-542-5027 Illinois U.S.A.
  • 3125425028 | +1 312-542-5028 Illinois U.S.A.
  • 3125425029 | +1 312-542-5029 Illinois U.S.A.
  • 3125425030 | +1 312-542-5030 Illinois U.S.A.
  • 3125425031 | +1 312-542-5031 Illinois U.S.A.
  • 3125425032 | +1 312-542-5032 Illinois U.S.A.
  • 3125425033 | +1 312-542-5033 Illinois U.S.A.
  • 3125425034 | +1 312-542-5034 Illinois U.S.A.
  • 3125425035 | +1 312-542-5035 Illinois U.S.A.
  • 3125425036 | +1 312-542-5036 Illinois U.S.A.
  • 3125425037 | +1 312-542-5037 Illinois U.S.A.
  • 3125425038 | +1 312-542-5038 Illinois U.S.A.
  • 3125425039 | +1 312-542-5039 Illinois U.S.A.
  • 3125425040 | +1 312-542-5040 Illinois U.S.A.
  • 3125425041 | +1 312-542-5041 Illinois U.S.A.
  • 3125425042 | +1 312-542-5042 Illinois U.S.A.
  • 3125425043 | +1 312-542-5043 Illinois U.S.A.
  • 3125425044 | +1 312-542-5044 Illinois U.S.A.
  • 3125425045 | +1 312-542-5045 Illinois U.S.A.
  • 3125425046 | +1 312-542-5046 Illinois U.S.A.
  • 3125425047 | +1 312-542-5047 Illinois U.S.A.
  • 3125425048 | +1 312-542-5048 Illinois U.S.A.
  • 3125425049 | +1 312-542-5049 Illinois U.S.A.
  • 3125425050 | +1 312-542-5050 Illinois U.S.A.
  • 3125425051 | +1 312-542-5051 Illinois U.S.A.
  • 3125425052 | +1 312-542-5052 Illinois U.S.A.
  • 3125425053 | +1 312-542-5053 Illinois U.S.A.
  • 3125425054 | +1 312-542-5054 Illinois U.S.A.
  • 3125425055 | +1 312-542-5055 Illinois U.S.A.
  • 3125425056 | +1 312-542-5056 Illinois U.S.A.
  • 3125425057 | +1 312-542-5057 Illinois U.S.A.
  • 3125425058 | +1 312-542-5058 Illinois U.S.A.
  • 3125425059 | +1 312-542-5059 Illinois U.S.A.
  • 3125425060 | +1 312-542-5060 Illinois U.S.A.
  • 3125425061 | +1 312-542-5061 Illinois U.S.A.
  • 3125425062 | +1 312-542-5062 Illinois U.S.A.
  • 3125425063 | +1 312-542-5063 Illinois U.S.A.
  • 3125425064 | +1 312-542-5064 Illinois U.S.A.
  • 3125425065 | +1 312-542-5065 Illinois U.S.A.
  • 3125425066 | +1 312-542-5066 Illinois U.S.A.
  • 3125425067 | +1 312-542-5067 Illinois U.S.A.
  • 3125425068 | +1 312-542-5068 Illinois U.S.A.
  • 3125425069 | +1 312-542-5069 Illinois U.S.A.
  • 3125425070 | +1 312-542-5070 Illinois U.S.A.
  • 3125425071 | +1 312-542-5071 Illinois U.S.A.
  • 3125425072 | +1 312-542-5072 Illinois U.S.A.
  • 3125425073 | +1 312-542-5073 Illinois U.S.A.
  • 3125425074 | +1 312-542-5074 Illinois U.S.A.
  • 3125425075 | +1 312-542-5075 Illinois U.S.A.
  • 3125425076 | +1 312-542-5076 Illinois U.S.A.
  • 3125425077 | +1 312-542-5077 Illinois U.S.A.
  • 3125425078 | +1 312-542-5078 Illinois U.S.A.
  • 3125425079 | +1 312-542-5079 Illinois U.S.A.
  • 3125425080 | +1 312-542-5080 Illinois U.S.A.
  • 3125425081 | +1 312-542-5081 Illinois U.S.A.
  • 3125425082 | +1 312-542-5082 Illinois U.S.A.
  • 3125425083 | +1 312-542-5083 Illinois U.S.A.
  • 3125425084 | +1 312-542-5084 Illinois U.S.A.
  • 3125425085 | +1 312-542-5085 Illinois U.S.A.
  • 3125425086 | +1 312-542-5086 Illinois U.S.A.
  • 3125425087 | +1 312-542-5087 Illinois U.S.A.
  • 3125425088 | +1 312-542-5088 Illinois U.S.A.
  • 3125425089 | +1 312-542-5089 Illinois U.S.A.
  • 3125425090 | +1 312-542-5090 Illinois U.S.A.
  • 3125425091 | +1 312-542-5091 Illinois U.S.A.
  • 3125425092 | +1 312-542-5092 Illinois U.S.A.
  • 3125425093 | +1 312-542-5093 Illinois U.S.A.
  • 3125425094 | +1 312-542-5094 Illinois U.S.A.
  • 3125425095 | +1 312-542-5095 Illinois U.S.A.
  • 3125425096 | +1 312-542-5096 Illinois U.S.A.
  • 3125425097 | +1 312-542-5097 Illinois U.S.A.
  • 3125425098 | +1 312-542-5098 Illinois U.S.A.
  • 3125425099 | +1 312-542-5099 Illinois U.S.A.