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).

  • 3127245000 | +1 312-724-5000 Illinois U.S.A.
  • 3127245001 | +1 312-724-5001 Illinois U.S.A.
  • 3127245002 | +1 312-724-5002 Illinois U.S.A.
  • 3127245003 | +1 312-724-5003 Illinois U.S.A.
  • 3127245004 | +1 312-724-5004 Illinois U.S.A.
  • 3127245005 | +1 312-724-5005 Illinois U.S.A.
  • 3127245006 | +1 312-724-5006 Illinois U.S.A.
  • 3127245007 | +1 312-724-5007 Illinois U.S.A.
  • 3127245008 | +1 312-724-5008 Illinois U.S.A.
  • 3127245009 | +1 312-724-5009 Illinois U.S.A.
  • 3127245010 | +1 312-724-5010 Illinois U.S.A.
  • 3127245011 | +1 312-724-5011 Illinois U.S.A.
  • 3127245012 | +1 312-724-5012 Illinois U.S.A.
  • 3127245013 | +1 312-724-5013 Illinois U.S.A.
  • 3127245014 | +1 312-724-5014 Illinois U.S.A.
  • 3127245015 | +1 312-724-5015 Illinois U.S.A.
  • 3127245016 | +1 312-724-5016 Illinois U.S.A.
  • 3127245017 | +1 312-724-5017 Illinois U.S.A.
  • 3127245018 | +1 312-724-5018 Illinois U.S.A.
  • 3127245019 | +1 312-724-5019 Illinois U.S.A.
  • 3127245020 | +1 312-724-5020 Illinois U.S.A.
  • 3127245021 | +1 312-724-5021 Illinois U.S.A.
  • 3127245022 | +1 312-724-5022 Illinois U.S.A.
  • 3127245023 | +1 312-724-5023 Illinois U.S.A.
  • 3127245024 | +1 312-724-5024 Illinois U.S.A.
  • 3127245025 | +1 312-724-5025 Illinois U.S.A.
  • 3127245026 | +1 312-724-5026 Illinois U.S.A.
  • 3127245027 | +1 312-724-5027 Illinois U.S.A.
  • 3127245028 | +1 312-724-5028 Illinois U.S.A.
  • 3127245029 | +1 312-724-5029 Illinois U.S.A.
  • 3127245030 | +1 312-724-5030 Illinois U.S.A.
  • 3127245031 | +1 312-724-5031 Illinois U.S.A.
  • 3127245032 | +1 312-724-5032 Illinois U.S.A.
  • 3127245033 | +1 312-724-5033 Illinois U.S.A.
  • 3127245034 | +1 312-724-5034 Illinois U.S.A.
  • 3127245035 | +1 312-724-5035 Illinois U.S.A.
  • 3127245036 | +1 312-724-5036 Illinois U.S.A.
  • 3127245037 | +1 312-724-5037 Illinois U.S.A.
  • 3127245038 | +1 312-724-5038 Illinois U.S.A.
  • 3127245039 | +1 312-724-5039 Illinois U.S.A.
  • 3127245040 | +1 312-724-5040 Illinois U.S.A.
  • 3127245041 | +1 312-724-5041 Illinois U.S.A.
  • 3127245042 | +1 312-724-5042 Illinois U.S.A.
  • 3127245043 | +1 312-724-5043 Illinois U.S.A.
  • 3127245044 | +1 312-724-5044 Illinois U.S.A.
  • 3127245045 | +1 312-724-5045 Illinois U.S.A.
  • 3127245046 | +1 312-724-5046 Illinois U.S.A.
  • 3127245047 | +1 312-724-5047 Illinois U.S.A.
  • 3127245048 | +1 312-724-5048 Illinois U.S.A.
  • 3127245049 | +1 312-724-5049 Illinois U.S.A.
  • 3127245050 | +1 312-724-5050 Illinois U.S.A.
  • 3127245051 | +1 312-724-5051 Illinois U.S.A.
  • 3127245052 | +1 312-724-5052 Illinois U.S.A.
  • 3127245053 | +1 312-724-5053 Illinois U.S.A.
  • 3127245054 | +1 312-724-5054 Illinois U.S.A.
  • 3127245055 | +1 312-724-5055 Illinois U.S.A.
  • 3127245056 | +1 312-724-5056 Illinois U.S.A.
  • 3127245057 | +1 312-724-5057 Illinois U.S.A.
  • 3127245058 | +1 312-724-5058 Illinois U.S.A.
  • 3127245059 | +1 312-724-5059 Illinois U.S.A.
  • 3127245060 | +1 312-724-5060 Illinois U.S.A.
  • 3127245061 | +1 312-724-5061 Illinois U.S.A.
  • 3127245062 | +1 312-724-5062 Illinois U.S.A.
  • 3127245063 | +1 312-724-5063 Illinois U.S.A.
  • 3127245064 | +1 312-724-5064 Illinois U.S.A.
  • 3127245065 | +1 312-724-5065 Illinois U.S.A.
  • 3127245066 | +1 312-724-5066 Illinois U.S.A.
  • 3127245067 | +1 312-724-5067 Illinois U.S.A.
  • 3127245068 | +1 312-724-5068 Illinois U.S.A.
  • 3127245069 | +1 312-724-5069 Illinois U.S.A.
  • 3127245070 | +1 312-724-5070 Illinois U.S.A.
  • 3127245071 | +1 312-724-5071 Illinois U.S.A.
  • 3127245072 | +1 312-724-5072 Illinois U.S.A.
  • 3127245073 | +1 312-724-5073 Illinois U.S.A.
  • 3127245074 | +1 312-724-5074 Illinois U.S.A.
  • 3127245075 | +1 312-724-5075 Illinois U.S.A.
  • 3127245076 | +1 312-724-5076 Illinois U.S.A.
  • 3127245077 | +1 312-724-5077 Illinois U.S.A.
  • 3127245078 | +1 312-724-5078 Illinois U.S.A.
  • 3127245079 | +1 312-724-5079 Illinois U.S.A.
  • 3127245080 | +1 312-724-5080 Illinois U.S.A.
  • 3127245081 | +1 312-724-5081 Illinois U.S.A.
  • 3127245082 | +1 312-724-5082 Illinois U.S.A.
  • 3127245083 | +1 312-724-5083 Illinois U.S.A.
  • 3127245084 | +1 312-724-5084 Illinois U.S.A.
  • 3127245085 | +1 312-724-5085 Illinois U.S.A.
  • 3127245086 | +1 312-724-5086 Illinois U.S.A.
  • 3127245087 | +1 312-724-5087 Illinois U.S.A.
  • 3127245088 | +1 312-724-5088 Illinois U.S.A.
  • 3127245089 | +1 312-724-5089 Illinois U.S.A.
  • 3127245090 | +1 312-724-5090 Illinois U.S.A.
  • 3127245091 | +1 312-724-5091 Illinois U.S.A.
  • 3127245092 | +1 312-724-5092 Illinois U.S.A.
  • 3127245093 | +1 312-724-5093 Illinois U.S.A.
  • 3127245094 | +1 312-724-5094 Illinois U.S.A.
  • 3127245095 | +1 312-724-5095 Illinois U.S.A.
  • 3127245096 | +1 312-724-5096 Illinois U.S.A.
  • 3127245097 | +1 312-724-5097 Illinois U.S.A.
  • 3127245098 | +1 312-724-5098 Illinois U.S.A.
  • 3127245099 | +1 312-724-5099 Illinois U.S.A.