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).

  • 3122985000 | +1 312-298-5000 Illinois U.S.A.
  • 3122985001 | +1 312-298-5001 Illinois U.S.A.
  • 3122985002 | +1 312-298-5002 Illinois U.S.A.
  • 3122985003 | +1 312-298-5003 Illinois U.S.A.
  • 3122985004 | +1 312-298-5004 Illinois U.S.A.
  • 3122985005 | +1 312-298-5005 Illinois U.S.A.
  • 3122985006 | +1 312-298-5006 Illinois U.S.A.
  • 3122985007 | +1 312-298-5007 Illinois U.S.A.
  • 3122985008 | +1 312-298-5008 Illinois U.S.A.
  • 3122985009 | +1 312-298-5009 Illinois U.S.A.
  • 3122985010 | +1 312-298-5010 Illinois U.S.A.
  • 3122985011 | +1 312-298-5011 Illinois U.S.A.
  • 3122985012 | +1 312-298-5012 Illinois U.S.A.
  • 3122985013 | +1 312-298-5013 Illinois U.S.A.
  • 3122985014 | +1 312-298-5014 Illinois U.S.A.
  • 3122985015 | +1 312-298-5015 Illinois U.S.A.
  • 3122985016 | +1 312-298-5016 Illinois U.S.A.
  • 3122985017 | +1 312-298-5017 Illinois U.S.A.
  • 3122985018 | +1 312-298-5018 Illinois U.S.A.
  • 3122985019 | +1 312-298-5019 Illinois U.S.A.
  • 3122985020 | +1 312-298-5020 Illinois U.S.A.
  • 3122985021 | +1 312-298-5021 Illinois U.S.A.
  • 3122985022 | +1 312-298-5022 Illinois U.S.A.
  • 3122985023 | +1 312-298-5023 Illinois U.S.A.
  • 3122985024 | +1 312-298-5024 Illinois U.S.A.
  • 3122985025 | +1 312-298-5025 Illinois U.S.A.
  • 3122985026 | +1 312-298-5026 Illinois U.S.A.
  • 3122985027 | +1 312-298-5027 Illinois U.S.A.
  • 3122985028 | +1 312-298-5028 Illinois U.S.A.
  • 3122985029 | +1 312-298-5029 Illinois U.S.A.
  • 3122985030 | +1 312-298-5030 Illinois U.S.A.
  • 3122985031 | +1 312-298-5031 Illinois U.S.A.
  • 3122985032 | +1 312-298-5032 Illinois U.S.A.
  • 3122985033 | +1 312-298-5033 Illinois U.S.A.
  • 3122985034 | +1 312-298-5034 Illinois U.S.A.
  • 3122985035 | +1 312-298-5035 Illinois U.S.A.
  • 3122985036 | +1 312-298-5036 Illinois U.S.A.
  • 3122985037 | +1 312-298-5037 Illinois U.S.A.
  • 3122985038 | +1 312-298-5038 Illinois U.S.A.
  • 3122985039 | +1 312-298-5039 Illinois U.S.A.
  • 3122985040 | +1 312-298-5040 Illinois U.S.A.
  • 3122985041 | +1 312-298-5041 Illinois U.S.A.
  • 3122985042 | +1 312-298-5042 Illinois U.S.A.
  • 3122985043 | +1 312-298-5043 Illinois U.S.A.
  • 3122985044 | +1 312-298-5044 Illinois U.S.A.
  • 3122985045 | +1 312-298-5045 Illinois U.S.A.
  • 3122985046 | +1 312-298-5046 Illinois U.S.A.
  • 3122985047 | +1 312-298-5047 Illinois U.S.A.
  • 3122985048 | +1 312-298-5048 Illinois U.S.A.
  • 3122985049 | +1 312-298-5049 Illinois U.S.A.
  • 3122985050 | +1 312-298-5050 Illinois U.S.A.
  • 3122985051 | +1 312-298-5051 Illinois U.S.A.
  • 3122985052 | +1 312-298-5052 Illinois U.S.A.
  • 3122985053 | +1 312-298-5053 Illinois U.S.A.
  • 3122985054 | +1 312-298-5054 Illinois U.S.A.
  • 3122985055 | +1 312-298-5055 Illinois U.S.A.
  • 3122985056 | +1 312-298-5056 Illinois U.S.A.
  • 3122985057 | +1 312-298-5057 Illinois U.S.A.
  • 3122985058 | +1 312-298-5058 Illinois U.S.A.
  • 3122985059 | +1 312-298-5059 Illinois U.S.A.
  • 3122985060 | +1 312-298-5060 Illinois U.S.A.
  • 3122985061 | +1 312-298-5061 Illinois U.S.A.
  • 3122985062 | +1 312-298-5062 Illinois U.S.A.
  • 3122985063 | +1 312-298-5063 Illinois U.S.A.
  • 3122985064 | +1 312-298-5064 Illinois U.S.A.
  • 3122985065 | +1 312-298-5065 Illinois U.S.A.
  • 3122985066 | +1 312-298-5066 Illinois U.S.A.
  • 3122985067 | +1 312-298-5067 Illinois U.S.A.
  • 3122985068 | +1 312-298-5068 Illinois U.S.A.
  • 3122985069 | +1 312-298-5069 Illinois U.S.A.
  • 3122985070 | +1 312-298-5070 Illinois U.S.A.
  • 3122985071 | +1 312-298-5071 Illinois U.S.A.
  • 3122985072 | +1 312-298-5072 Illinois U.S.A.
  • 3122985073 | +1 312-298-5073 Illinois U.S.A.
  • 3122985074 | +1 312-298-5074 Illinois U.S.A.
  • 3122985075 | +1 312-298-5075 Illinois U.S.A.
  • 3122985076 | +1 312-298-5076 Illinois U.S.A.
  • 3122985077 | +1 312-298-5077 Illinois U.S.A.
  • 3122985078 | +1 312-298-5078 Illinois U.S.A.
  • 3122985079 | +1 312-298-5079 Illinois U.S.A.
  • 3122985080 | +1 312-298-5080 Illinois U.S.A.
  • 3122985081 | +1 312-298-5081 Illinois U.S.A.
  • 3122985082 | +1 312-298-5082 Illinois U.S.A.
  • 3122985083 | +1 312-298-5083 Illinois U.S.A.
  • 3122985084 | +1 312-298-5084 Illinois U.S.A.
  • 3122985085 | +1 312-298-5085 Illinois U.S.A.
  • 3122985086 | +1 312-298-5086 Illinois U.S.A.
  • 3122985087 | +1 312-298-5087 Illinois U.S.A.
  • 3122985088 | +1 312-298-5088 Illinois U.S.A.
  • 3122985089 | +1 312-298-5089 Illinois U.S.A.
  • 3122985090 | +1 312-298-5090 Illinois U.S.A.
  • 3122985091 | +1 312-298-5091 Illinois U.S.A.
  • 3122985092 | +1 312-298-5092 Illinois U.S.A.
  • 3122985093 | +1 312-298-5093 Illinois U.S.A.
  • 3122985094 | +1 312-298-5094 Illinois U.S.A.
  • 3122985095 | +1 312-298-5095 Illinois U.S.A.
  • 3122985096 | +1 312-298-5096 Illinois U.S.A.
  • 3122985097 | +1 312-298-5097 Illinois U.S.A.
  • 3122985098 | +1 312-298-5098 Illinois U.S.A.
  • 3122985099 | +1 312-298-5099 Illinois U.S.A.