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).

  • 3122435000 | +1 312-243-5000 Illinois U.S.A.
  • 3122435001 | +1 312-243-5001 Illinois U.S.A.
  • 3122435002 | +1 312-243-5002 Illinois U.S.A.
  • 3122435003 | +1 312-243-5003 Illinois U.S.A.
  • 3122435004 | +1 312-243-5004 Illinois U.S.A.
  • 3122435005 | +1 312-243-5005 Illinois U.S.A.
  • 3122435006 | +1 312-243-5006 Illinois U.S.A.
  • 3122435007 | +1 312-243-5007 Illinois U.S.A.
  • 3122435008 | +1 312-243-5008 Illinois U.S.A.
  • 3122435009 | +1 312-243-5009 Illinois U.S.A.
  • 3122435010 | +1 312-243-5010 Illinois U.S.A.
  • 3122435011 | +1 312-243-5011 Illinois U.S.A.
  • 3122435012 | +1 312-243-5012 Illinois U.S.A.
  • 3122435013 | +1 312-243-5013 Illinois U.S.A.
  • 3122435014 | +1 312-243-5014 Illinois U.S.A.
  • 3122435015 | +1 312-243-5015 Illinois U.S.A.
  • 3122435016 | +1 312-243-5016 Illinois U.S.A.
  • 3122435017 | +1 312-243-5017 Illinois U.S.A.
  • 3122435018 | +1 312-243-5018 Illinois U.S.A.
  • 3122435019 | +1 312-243-5019 Illinois U.S.A.
  • 3122435020 | +1 312-243-5020 Illinois U.S.A.
  • 3122435021 | +1 312-243-5021 Illinois U.S.A.
  • 3122435022 | +1 312-243-5022 Illinois U.S.A.
  • 3122435023 | +1 312-243-5023 Illinois U.S.A.
  • 3122435024 | +1 312-243-5024 Illinois U.S.A.
  • 3122435025 | +1 312-243-5025 Illinois U.S.A.
  • 3122435026 | +1 312-243-5026 Illinois U.S.A.
  • 3122435027 | +1 312-243-5027 Illinois U.S.A.
  • 3122435028 | +1 312-243-5028 Illinois U.S.A.
  • 3122435029 | +1 312-243-5029 Illinois U.S.A.
  • 3122435030 | +1 312-243-5030 Illinois U.S.A.
  • 3122435031 | +1 312-243-5031 Illinois U.S.A.
  • 3122435032 | +1 312-243-5032 Illinois U.S.A.
  • 3122435033 | +1 312-243-5033 Illinois U.S.A.
  • 3122435034 | +1 312-243-5034 Illinois U.S.A.
  • 3122435035 | +1 312-243-5035 Illinois U.S.A.
  • 3122435036 | +1 312-243-5036 Illinois U.S.A.
  • 3122435037 | +1 312-243-5037 Illinois U.S.A.
  • 3122435038 | +1 312-243-5038 Illinois U.S.A.
  • 3122435039 | +1 312-243-5039 Illinois U.S.A.
  • 3122435040 | +1 312-243-5040 Illinois U.S.A.
  • 3122435041 | +1 312-243-5041 Illinois U.S.A.
  • 3122435042 | +1 312-243-5042 Illinois U.S.A.
  • 3122435043 | +1 312-243-5043 Illinois U.S.A.
  • 3122435044 | +1 312-243-5044 Illinois U.S.A.
  • 3122435045 | +1 312-243-5045 Illinois U.S.A.
  • 3122435046 | +1 312-243-5046 Illinois U.S.A.
  • 3122435047 | +1 312-243-5047 Illinois U.S.A.
  • 3122435048 | +1 312-243-5048 Illinois U.S.A.
  • 3122435049 | +1 312-243-5049 Illinois U.S.A.
  • 3122435050 | +1 312-243-5050 Illinois U.S.A.
  • 3122435051 | +1 312-243-5051 Illinois U.S.A.
  • 3122435052 | +1 312-243-5052 Illinois U.S.A.
  • 3122435053 | +1 312-243-5053 Illinois U.S.A.
  • 3122435054 | +1 312-243-5054 Illinois U.S.A.
  • 3122435055 | +1 312-243-5055 Illinois U.S.A.
  • 3122435056 | +1 312-243-5056 Illinois U.S.A.
  • 3122435057 | +1 312-243-5057 Illinois U.S.A.
  • 3122435058 | +1 312-243-5058 Illinois U.S.A.
  • 3122435059 | +1 312-243-5059 Illinois U.S.A.
  • 3122435060 | +1 312-243-5060 Illinois U.S.A.
  • 3122435061 | +1 312-243-5061 Illinois U.S.A.
  • 3122435062 | +1 312-243-5062 Illinois U.S.A.
  • 3122435063 | +1 312-243-5063 Illinois U.S.A.
  • 3122435064 | +1 312-243-5064 Illinois U.S.A.
  • 3122435065 | +1 312-243-5065 Illinois U.S.A.
  • 3122435066 | +1 312-243-5066 Illinois U.S.A.
  • 3122435067 | +1 312-243-5067 Illinois U.S.A.
  • 3122435068 | +1 312-243-5068 Illinois U.S.A.
  • 3122435069 | +1 312-243-5069 Illinois U.S.A.
  • 3122435070 | +1 312-243-5070 Illinois U.S.A.
  • 3122435071 | +1 312-243-5071 Illinois U.S.A.
  • 3122435072 | +1 312-243-5072 Illinois U.S.A.
  • 3122435073 | +1 312-243-5073 Illinois U.S.A.
  • 3122435074 | +1 312-243-5074 Illinois U.S.A.
  • 3122435075 | +1 312-243-5075 Illinois U.S.A.
  • 3122435076 | +1 312-243-5076 Illinois U.S.A.
  • 3122435077 | +1 312-243-5077 Illinois U.S.A.
  • 3122435078 | +1 312-243-5078 Illinois U.S.A.
  • 3122435079 | +1 312-243-5079 Illinois U.S.A.
  • 3122435080 | +1 312-243-5080 Illinois U.S.A.
  • 3122435081 | +1 312-243-5081 Illinois U.S.A.
  • 3122435082 | +1 312-243-5082 Illinois U.S.A.
  • 3122435083 | +1 312-243-5083 Illinois U.S.A.
  • 3122435084 | +1 312-243-5084 Illinois U.S.A.
  • 3122435085 | +1 312-243-5085 Illinois U.S.A.
  • 3122435086 | +1 312-243-5086 Illinois U.S.A.
  • 3122435087 | +1 312-243-5087 Illinois U.S.A.
  • 3122435088 | +1 312-243-5088 Illinois U.S.A.
  • 3122435089 | +1 312-243-5089 Illinois U.S.A.
  • 3122435090 | +1 312-243-5090 Illinois U.S.A.
  • 3122435091 | +1 312-243-5091 Illinois U.S.A.
  • 3122435092 | +1 312-243-5092 Illinois U.S.A.
  • 3122435093 | +1 312-243-5093 Illinois U.S.A.
  • 3122435094 | +1 312-243-5094 Illinois U.S.A.
  • 3122435095 | +1 312-243-5095 Illinois U.S.A.
  • 3122435096 | +1 312-243-5096 Illinois U.S.A.
  • 3122435097 | +1 312-243-5097 Illinois U.S.A.
  • 3122435098 | +1 312-243-5098 Illinois U.S.A.
  • 3122435099 | +1 312-243-5099 Illinois U.S.A.