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).

  • 3125035000 | +1 312-503-5000 Illinois U.S.A.
  • 3125035001 | +1 312-503-5001 Illinois U.S.A.
  • 3125035002 | +1 312-503-5002 Illinois U.S.A.
  • 3125035003 | +1 312-503-5003 Illinois U.S.A.
  • 3125035004 | +1 312-503-5004 Illinois U.S.A.
  • 3125035005 | +1 312-503-5005 Illinois U.S.A.
  • 3125035006 | +1 312-503-5006 Illinois U.S.A.
  • 3125035007 | +1 312-503-5007 Illinois U.S.A.
  • 3125035008 | +1 312-503-5008 Illinois U.S.A.
  • 3125035009 | +1 312-503-5009 Illinois U.S.A.
  • 3125035010 | +1 312-503-5010 Illinois U.S.A.
  • 3125035011 | +1 312-503-5011 Illinois U.S.A.
  • 3125035012 | +1 312-503-5012 Illinois U.S.A.
  • 3125035013 | +1 312-503-5013 Illinois U.S.A.
  • 3125035014 | +1 312-503-5014 Illinois U.S.A.
  • 3125035015 | +1 312-503-5015 Illinois U.S.A.
  • 3125035016 | +1 312-503-5016 Illinois U.S.A.
  • 3125035017 | +1 312-503-5017 Illinois U.S.A.
  • 3125035018 | +1 312-503-5018 Illinois U.S.A.
  • 3125035019 | +1 312-503-5019 Illinois U.S.A.
  • 3125035020 | +1 312-503-5020 Illinois U.S.A.
  • 3125035021 | +1 312-503-5021 Illinois U.S.A.
  • 3125035022 | +1 312-503-5022 Illinois U.S.A.
  • 3125035023 | +1 312-503-5023 Illinois U.S.A.
  • 3125035024 | +1 312-503-5024 Illinois U.S.A.
  • 3125035025 | +1 312-503-5025 Illinois U.S.A.
  • 3125035026 | +1 312-503-5026 Illinois U.S.A.
  • 3125035027 | +1 312-503-5027 Illinois U.S.A.
  • 3125035028 | +1 312-503-5028 Illinois U.S.A.
  • 3125035029 | +1 312-503-5029 Illinois U.S.A.
  • 3125035030 | +1 312-503-5030 Illinois U.S.A.
  • 3125035031 | +1 312-503-5031 Illinois U.S.A.
  • 3125035032 | +1 312-503-5032 Illinois U.S.A.
  • 3125035033 | +1 312-503-5033 Illinois U.S.A.
  • 3125035034 | +1 312-503-5034 Illinois U.S.A.
  • 3125035035 | +1 312-503-5035 Illinois U.S.A.
  • 3125035036 | +1 312-503-5036 Illinois U.S.A.
  • 3125035037 | +1 312-503-5037 Illinois U.S.A.
  • 3125035038 | +1 312-503-5038 Illinois U.S.A.
  • 3125035039 | +1 312-503-5039 Illinois U.S.A.
  • 3125035040 | +1 312-503-5040 Illinois U.S.A.
  • 3125035041 | +1 312-503-5041 Illinois U.S.A.
  • 3125035042 | +1 312-503-5042 Illinois U.S.A.
  • 3125035043 | +1 312-503-5043 Illinois U.S.A.
  • 3125035044 | +1 312-503-5044 Illinois U.S.A.
  • 3125035045 | +1 312-503-5045 Illinois U.S.A.
  • 3125035046 | +1 312-503-5046 Illinois U.S.A.
  • 3125035047 | +1 312-503-5047 Illinois U.S.A.
  • 3125035048 | +1 312-503-5048 Illinois U.S.A.
  • 3125035049 | +1 312-503-5049 Illinois U.S.A.
  • 3125035050 | +1 312-503-5050 Illinois U.S.A.
  • 3125035051 | +1 312-503-5051 Illinois U.S.A.
  • 3125035052 | +1 312-503-5052 Illinois U.S.A.
  • 3125035053 | +1 312-503-5053 Illinois U.S.A.
  • 3125035054 | +1 312-503-5054 Illinois U.S.A.
  • 3125035055 | +1 312-503-5055 Illinois U.S.A.
  • 3125035056 | +1 312-503-5056 Illinois U.S.A.
  • 3125035057 | +1 312-503-5057 Illinois U.S.A.
  • 3125035058 | +1 312-503-5058 Illinois U.S.A.
  • 3125035059 | +1 312-503-5059 Illinois U.S.A.
  • 3125035060 | +1 312-503-5060 Illinois U.S.A.
  • 3125035061 | +1 312-503-5061 Illinois U.S.A.
  • 3125035062 | +1 312-503-5062 Illinois U.S.A.
  • 3125035063 | +1 312-503-5063 Illinois U.S.A.
  • 3125035064 | +1 312-503-5064 Illinois U.S.A.
  • 3125035065 | +1 312-503-5065 Illinois U.S.A.
  • 3125035066 | +1 312-503-5066 Illinois U.S.A.
  • 3125035067 | +1 312-503-5067 Illinois U.S.A.
  • 3125035068 | +1 312-503-5068 Illinois U.S.A.
  • 3125035069 | +1 312-503-5069 Illinois U.S.A.
  • 3125035070 | +1 312-503-5070 Illinois U.S.A.
  • 3125035071 | +1 312-503-5071 Illinois U.S.A.
  • 3125035072 | +1 312-503-5072 Illinois U.S.A.
  • 3125035073 | +1 312-503-5073 Illinois U.S.A.
  • 3125035074 | +1 312-503-5074 Illinois U.S.A.
  • 3125035075 | +1 312-503-5075 Illinois U.S.A.
  • 3125035076 | +1 312-503-5076 Illinois U.S.A.
  • 3125035077 | +1 312-503-5077 Illinois U.S.A.
  • 3125035078 | +1 312-503-5078 Illinois U.S.A.
  • 3125035079 | +1 312-503-5079 Illinois U.S.A.
  • 3125035080 | +1 312-503-5080 Illinois U.S.A.
  • 3125035081 | +1 312-503-5081 Illinois U.S.A.
  • 3125035082 | +1 312-503-5082 Illinois U.S.A.
  • 3125035083 | +1 312-503-5083 Illinois U.S.A.
  • 3125035084 | +1 312-503-5084 Illinois U.S.A.
  • 3125035085 | +1 312-503-5085 Illinois U.S.A.
  • 3125035086 | +1 312-503-5086 Illinois U.S.A.
  • 3125035087 | +1 312-503-5087 Illinois U.S.A.
  • 3125035088 | +1 312-503-5088 Illinois U.S.A.
  • 3125035089 | +1 312-503-5089 Illinois U.S.A.
  • 3125035090 | +1 312-503-5090 Illinois U.S.A.
  • 3125035091 | +1 312-503-5091 Illinois U.S.A.
  • 3125035092 | +1 312-503-5092 Illinois U.S.A.
  • 3125035093 | +1 312-503-5093 Illinois U.S.A.
  • 3125035094 | +1 312-503-5094 Illinois U.S.A.
  • 3125035095 | +1 312-503-5095 Illinois U.S.A.
  • 3125035096 | +1 312-503-5096 Illinois U.S.A.
  • 3125035097 | +1 312-503-5097 Illinois U.S.A.
  • 3125035098 | +1 312-503-5098 Illinois U.S.A.
  • 3125035099 | +1 312-503-5099 Illinois U.S.A.