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).

  • 3123366000 | +1 312-336-6000 Illinois U.S.A.
  • 3123366001 | +1 312-336-6001 Illinois U.S.A.
  • 3123366002 | +1 312-336-6002 Illinois U.S.A.
  • 3123366003 | +1 312-336-6003 Illinois U.S.A.
  • 3123366004 | +1 312-336-6004 Illinois U.S.A.
  • 3123366005 | +1 312-336-6005 Illinois U.S.A.
  • 3123366006 | +1 312-336-6006 Illinois U.S.A.
  • 3123366007 | +1 312-336-6007 Illinois U.S.A.
  • 3123366008 | +1 312-336-6008 Illinois U.S.A.
  • 3123366009 | +1 312-336-6009 Illinois U.S.A.
  • 3123366010 | +1 312-336-6010 Illinois U.S.A.
  • 3123366011 | +1 312-336-6011 Illinois U.S.A.
  • 3123366012 | +1 312-336-6012 Illinois U.S.A.
  • 3123366013 | +1 312-336-6013 Illinois U.S.A.
  • 3123366014 | +1 312-336-6014 Illinois U.S.A.
  • 3123366015 | +1 312-336-6015 Illinois U.S.A.
  • 3123366016 | +1 312-336-6016 Illinois U.S.A.
  • 3123366017 | +1 312-336-6017 Illinois U.S.A.
  • 3123366018 | +1 312-336-6018 Illinois U.S.A.
  • 3123366019 | +1 312-336-6019 Illinois U.S.A.
  • 3123366020 | +1 312-336-6020 Illinois U.S.A.
  • 3123366021 | +1 312-336-6021 Illinois U.S.A.
  • 3123366022 | +1 312-336-6022 Illinois U.S.A.
  • 3123366023 | +1 312-336-6023 Illinois U.S.A.
  • 3123366024 | +1 312-336-6024 Illinois U.S.A.
  • 3123366025 | +1 312-336-6025 Illinois U.S.A.
  • 3123366026 | +1 312-336-6026 Illinois U.S.A.
  • 3123366027 | +1 312-336-6027 Illinois U.S.A.
  • 3123366028 | +1 312-336-6028 Illinois U.S.A.
  • 3123366029 | +1 312-336-6029 Illinois U.S.A.
  • 3123366030 | +1 312-336-6030 Illinois U.S.A.
  • 3123366031 | +1 312-336-6031 Illinois U.S.A.
  • 3123366032 | +1 312-336-6032 Illinois U.S.A.
  • 3123366033 | +1 312-336-6033 Illinois U.S.A.
  • 3123366034 | +1 312-336-6034 Illinois U.S.A.
  • 3123366035 | +1 312-336-6035 Illinois U.S.A.
  • 3123366036 | +1 312-336-6036 Illinois U.S.A.
  • 3123366037 | +1 312-336-6037 Illinois U.S.A.
  • 3123366038 | +1 312-336-6038 Illinois U.S.A.
  • 3123366039 | +1 312-336-6039 Illinois U.S.A.
  • 3123366040 | +1 312-336-6040 Illinois U.S.A.
  • 3123366041 | +1 312-336-6041 Illinois U.S.A.
  • 3123366042 | +1 312-336-6042 Illinois U.S.A.
  • 3123366043 | +1 312-336-6043 Illinois U.S.A.
  • 3123366044 | +1 312-336-6044 Illinois U.S.A.
  • 3123366045 | +1 312-336-6045 Illinois U.S.A.
  • 3123366046 | +1 312-336-6046 Illinois U.S.A.
  • 3123366047 | +1 312-336-6047 Illinois U.S.A.
  • 3123366048 | +1 312-336-6048 Illinois U.S.A.
  • 3123366049 | +1 312-336-6049 Illinois U.S.A.
  • 3123366050 | +1 312-336-6050 Illinois U.S.A.
  • 3123366051 | +1 312-336-6051 Illinois U.S.A.
  • 3123366052 | +1 312-336-6052 Illinois U.S.A.
  • 3123366053 | +1 312-336-6053 Illinois U.S.A.
  • 3123366054 | +1 312-336-6054 Illinois U.S.A.
  • 3123366055 | +1 312-336-6055 Illinois U.S.A.
  • 3123366056 | +1 312-336-6056 Illinois U.S.A.
  • 3123366057 | +1 312-336-6057 Illinois U.S.A.
  • 3123366058 | +1 312-336-6058 Illinois U.S.A.
  • 3123366059 | +1 312-336-6059 Illinois U.S.A.
  • 3123366060 | +1 312-336-6060 Illinois U.S.A.
  • 3123366061 | +1 312-336-6061 Illinois U.S.A.
  • 3123366062 | +1 312-336-6062 Illinois U.S.A.
  • 3123366063 | +1 312-336-6063 Illinois U.S.A.
  • 3123366064 | +1 312-336-6064 Illinois U.S.A.
  • 3123366065 | +1 312-336-6065 Illinois U.S.A.
  • 3123366066 | +1 312-336-6066 Illinois U.S.A.
  • 3123366067 | +1 312-336-6067 Illinois U.S.A.
  • 3123366068 | +1 312-336-6068 Illinois U.S.A.
  • 3123366069 | +1 312-336-6069 Illinois U.S.A.
  • 3123366070 | +1 312-336-6070 Illinois U.S.A.
  • 3123366071 | +1 312-336-6071 Illinois U.S.A.
  • 3123366072 | +1 312-336-6072 Illinois U.S.A.
  • 3123366073 | +1 312-336-6073 Illinois U.S.A.
  • 3123366074 | +1 312-336-6074 Illinois U.S.A.
  • 3123366075 | +1 312-336-6075 Illinois U.S.A.
  • 3123366076 | +1 312-336-6076 Illinois U.S.A.
  • 3123366077 | +1 312-336-6077 Illinois U.S.A.
  • 3123366078 | +1 312-336-6078 Illinois U.S.A.
  • 3123366079 | +1 312-336-6079 Illinois U.S.A.
  • 3123366080 | +1 312-336-6080 Illinois U.S.A.
  • 3123366081 | +1 312-336-6081 Illinois U.S.A.
  • 3123366082 | +1 312-336-6082 Illinois U.S.A.
  • 3123366083 | +1 312-336-6083 Illinois U.S.A.
  • 3123366084 | +1 312-336-6084 Illinois U.S.A.
  • 3123366085 | +1 312-336-6085 Illinois U.S.A.
  • 3123366086 | +1 312-336-6086 Illinois U.S.A.
  • 3123366087 | +1 312-336-6087 Illinois U.S.A.
  • 3123366088 | +1 312-336-6088 Illinois U.S.A.
  • 3123366089 | +1 312-336-6089 Illinois U.S.A.
  • 3123366090 | +1 312-336-6090 Illinois U.S.A.
  • 3123366091 | +1 312-336-6091 Illinois U.S.A.
  • 3123366092 | +1 312-336-6092 Illinois U.S.A.
  • 3123366093 | +1 312-336-6093 Illinois U.S.A.
  • 3123366094 | +1 312-336-6094 Illinois U.S.A.
  • 3123366095 | +1 312-336-6095 Illinois U.S.A.
  • 3123366096 | +1 312-336-6096 Illinois U.S.A.
  • 3123366097 | +1 312-336-6097 Illinois U.S.A.
  • 3123366098 | +1 312-336-6098 Illinois U.S.A.
  • 3123366099 | +1 312-336-6099 Illinois U.S.A.