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).

  • 3125036000 | +1 312-503-6000 Illinois U.S.A.
  • 3125036001 | +1 312-503-6001 Illinois U.S.A.
  • 3125036002 | +1 312-503-6002 Illinois U.S.A.
  • 3125036003 | +1 312-503-6003 Illinois U.S.A.
  • 3125036004 | +1 312-503-6004 Illinois U.S.A.
  • 3125036005 | +1 312-503-6005 Illinois U.S.A.
  • 3125036006 | +1 312-503-6006 Illinois U.S.A.
  • 3125036007 | +1 312-503-6007 Illinois U.S.A.
  • 3125036008 | +1 312-503-6008 Illinois U.S.A.
  • 3125036009 | +1 312-503-6009 Illinois U.S.A.
  • 3125036010 | +1 312-503-6010 Illinois U.S.A.
  • 3125036011 | +1 312-503-6011 Illinois U.S.A.
  • 3125036012 | +1 312-503-6012 Illinois U.S.A.
  • 3125036013 | +1 312-503-6013 Illinois U.S.A.
  • 3125036014 | +1 312-503-6014 Illinois U.S.A.
  • 3125036015 | +1 312-503-6015 Illinois U.S.A.
  • 3125036016 | +1 312-503-6016 Illinois U.S.A.
  • 3125036017 | +1 312-503-6017 Illinois U.S.A.
  • 3125036018 | +1 312-503-6018 Illinois U.S.A.
  • 3125036019 | +1 312-503-6019 Illinois U.S.A.
  • 3125036020 | +1 312-503-6020 Illinois U.S.A.
  • 3125036021 | +1 312-503-6021 Illinois U.S.A.
  • 3125036022 | +1 312-503-6022 Illinois U.S.A.
  • 3125036023 | +1 312-503-6023 Illinois U.S.A.
  • 3125036024 | +1 312-503-6024 Illinois U.S.A.
  • 3125036025 | +1 312-503-6025 Illinois U.S.A.
  • 3125036026 | +1 312-503-6026 Illinois U.S.A.
  • 3125036027 | +1 312-503-6027 Illinois U.S.A.
  • 3125036028 | +1 312-503-6028 Illinois U.S.A.
  • 3125036029 | +1 312-503-6029 Illinois U.S.A.
  • 3125036030 | +1 312-503-6030 Illinois U.S.A.
  • 3125036031 | +1 312-503-6031 Illinois U.S.A.
  • 3125036032 | +1 312-503-6032 Illinois U.S.A.
  • 3125036033 | +1 312-503-6033 Illinois U.S.A.
  • 3125036034 | +1 312-503-6034 Illinois U.S.A.
  • 3125036035 | +1 312-503-6035 Illinois U.S.A.
  • 3125036036 | +1 312-503-6036 Illinois U.S.A.
  • 3125036037 | +1 312-503-6037 Illinois U.S.A.
  • 3125036038 | +1 312-503-6038 Illinois U.S.A.
  • 3125036039 | +1 312-503-6039 Illinois U.S.A.
  • 3125036040 | +1 312-503-6040 Illinois U.S.A.
  • 3125036041 | +1 312-503-6041 Illinois U.S.A.
  • 3125036042 | +1 312-503-6042 Illinois U.S.A.
  • 3125036043 | +1 312-503-6043 Illinois U.S.A.
  • 3125036044 | +1 312-503-6044 Illinois U.S.A.
  • 3125036045 | +1 312-503-6045 Illinois U.S.A.
  • 3125036046 | +1 312-503-6046 Illinois U.S.A.
  • 3125036047 | +1 312-503-6047 Illinois U.S.A.
  • 3125036048 | +1 312-503-6048 Illinois U.S.A.
  • 3125036049 | +1 312-503-6049 Illinois U.S.A.
  • 3125036050 | +1 312-503-6050 Illinois U.S.A.
  • 3125036051 | +1 312-503-6051 Illinois U.S.A.
  • 3125036052 | +1 312-503-6052 Illinois U.S.A.
  • 3125036053 | +1 312-503-6053 Illinois U.S.A.
  • 3125036054 | +1 312-503-6054 Illinois U.S.A.
  • 3125036055 | +1 312-503-6055 Illinois U.S.A.
  • 3125036056 | +1 312-503-6056 Illinois U.S.A.
  • 3125036057 | +1 312-503-6057 Illinois U.S.A.
  • 3125036058 | +1 312-503-6058 Illinois U.S.A.
  • 3125036059 | +1 312-503-6059 Illinois U.S.A.
  • 3125036060 | +1 312-503-6060 Illinois U.S.A.
  • 3125036061 | +1 312-503-6061 Illinois U.S.A.
  • 3125036062 | +1 312-503-6062 Illinois U.S.A.
  • 3125036063 | +1 312-503-6063 Illinois U.S.A.
  • 3125036064 | +1 312-503-6064 Illinois U.S.A.
  • 3125036065 | +1 312-503-6065 Illinois U.S.A.
  • 3125036066 | +1 312-503-6066 Illinois U.S.A.
  • 3125036067 | +1 312-503-6067 Illinois U.S.A.
  • 3125036068 | +1 312-503-6068 Illinois U.S.A.
  • 3125036069 | +1 312-503-6069 Illinois U.S.A.
  • 3125036070 | +1 312-503-6070 Illinois U.S.A.
  • 3125036071 | +1 312-503-6071 Illinois U.S.A.
  • 3125036072 | +1 312-503-6072 Illinois U.S.A.
  • 3125036073 | +1 312-503-6073 Illinois U.S.A.
  • 3125036074 | +1 312-503-6074 Illinois U.S.A.
  • 3125036075 | +1 312-503-6075 Illinois U.S.A.
  • 3125036076 | +1 312-503-6076 Illinois U.S.A.
  • 3125036077 | +1 312-503-6077 Illinois U.S.A.
  • 3125036078 | +1 312-503-6078 Illinois U.S.A.
  • 3125036079 | +1 312-503-6079 Illinois U.S.A.
  • 3125036080 | +1 312-503-6080 Illinois U.S.A.
  • 3125036081 | +1 312-503-6081 Illinois U.S.A.
  • 3125036082 | +1 312-503-6082 Illinois U.S.A.
  • 3125036083 | +1 312-503-6083 Illinois U.S.A.
  • 3125036084 | +1 312-503-6084 Illinois U.S.A.
  • 3125036085 | +1 312-503-6085 Illinois U.S.A.
  • 3125036086 | +1 312-503-6086 Illinois U.S.A.
  • 3125036087 | +1 312-503-6087 Illinois U.S.A.
  • 3125036088 | +1 312-503-6088 Illinois U.S.A.
  • 3125036089 | +1 312-503-6089 Illinois U.S.A.
  • 3125036090 | +1 312-503-6090 Illinois U.S.A.
  • 3125036091 | +1 312-503-6091 Illinois U.S.A.
  • 3125036092 | +1 312-503-6092 Illinois U.S.A.
  • 3125036093 | +1 312-503-6093 Illinois U.S.A.
  • 3125036094 | +1 312-503-6094 Illinois U.S.A.
  • 3125036095 | +1 312-503-6095 Illinois U.S.A.
  • 3125036096 | +1 312-503-6096 Illinois U.S.A.
  • 3125036097 | +1 312-503-6097 Illinois U.S.A.
  • 3125036098 | +1 312-503-6098 Illinois U.S.A.
  • 3125036099 | +1 312-503-6099 Illinois U.S.A.