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).

  • 3129437000 | +1 312-943-7000 Illinois U.S.A.
  • 3129437001 | +1 312-943-7001 Illinois U.S.A.
  • 3129437002 | +1 312-943-7002 Illinois U.S.A.
  • 3129437003 | +1 312-943-7003 Illinois U.S.A.
  • 3129437004 | +1 312-943-7004 Illinois U.S.A.
  • 3129437005 | +1 312-943-7005 Illinois U.S.A.
  • 3129437006 | +1 312-943-7006 Illinois U.S.A.
  • 3129437007 | +1 312-943-7007 Illinois U.S.A.
  • 3129437008 | +1 312-943-7008 Illinois U.S.A.
  • 3129437009 | +1 312-943-7009 Illinois U.S.A.
  • 3129437010 | +1 312-943-7010 Illinois U.S.A.
  • 3129437011 | +1 312-943-7011 Illinois U.S.A.
  • 3129437012 | +1 312-943-7012 Illinois U.S.A.
  • 3129437013 | +1 312-943-7013 Illinois U.S.A.
  • 3129437014 | +1 312-943-7014 Illinois U.S.A.
  • 3129437015 | +1 312-943-7015 Illinois U.S.A.
  • 3129437016 | +1 312-943-7016 Illinois U.S.A.
  • 3129437017 | +1 312-943-7017 Illinois U.S.A.
  • 3129437018 | +1 312-943-7018 Illinois U.S.A.
  • 3129437019 | +1 312-943-7019 Illinois U.S.A.
  • 3129437020 | +1 312-943-7020 Illinois U.S.A.
  • 3129437021 | +1 312-943-7021 Illinois U.S.A.
  • 3129437022 | +1 312-943-7022 Illinois U.S.A.
  • 3129437023 | +1 312-943-7023 Illinois U.S.A.
  • 3129437024 | +1 312-943-7024 Illinois U.S.A.
  • 3129437025 | +1 312-943-7025 Illinois U.S.A.
  • 3129437026 | +1 312-943-7026 Illinois U.S.A.
  • 3129437027 | +1 312-943-7027 Illinois U.S.A.
  • 3129437028 | +1 312-943-7028 Illinois U.S.A.
  • 3129437029 | +1 312-943-7029 Illinois U.S.A.
  • 3129437030 | +1 312-943-7030 Illinois U.S.A.
  • 3129437031 | +1 312-943-7031 Illinois U.S.A.
  • 3129437032 | +1 312-943-7032 Illinois U.S.A.
  • 3129437033 | +1 312-943-7033 Illinois U.S.A.
  • 3129437034 | +1 312-943-7034 Illinois U.S.A.
  • 3129437035 | +1 312-943-7035 Illinois U.S.A.
  • 3129437036 | +1 312-943-7036 Illinois U.S.A.
  • 3129437037 | +1 312-943-7037 Illinois U.S.A.
  • 3129437038 | +1 312-943-7038 Illinois U.S.A.
  • 3129437039 | +1 312-943-7039 Illinois U.S.A.
  • 3129437040 | +1 312-943-7040 Illinois U.S.A.
  • 3129437041 | +1 312-943-7041 Illinois U.S.A.
  • 3129437042 | +1 312-943-7042 Illinois U.S.A.
  • 3129437043 | +1 312-943-7043 Illinois U.S.A.
  • 3129437044 | +1 312-943-7044 Illinois U.S.A.
  • 3129437045 | +1 312-943-7045 Illinois U.S.A.
  • 3129437046 | +1 312-943-7046 Illinois U.S.A.
  • 3129437047 | +1 312-943-7047 Illinois U.S.A.
  • 3129437048 | +1 312-943-7048 Illinois U.S.A.
  • 3129437049 | +1 312-943-7049 Illinois U.S.A.
  • 3129437050 | +1 312-943-7050 Illinois U.S.A.
  • 3129437051 | +1 312-943-7051 Illinois U.S.A.
  • 3129437052 | +1 312-943-7052 Illinois U.S.A.
  • 3129437053 | +1 312-943-7053 Illinois U.S.A.
  • 3129437054 | +1 312-943-7054 Illinois U.S.A.
  • 3129437055 | +1 312-943-7055 Illinois U.S.A.
  • 3129437056 | +1 312-943-7056 Illinois U.S.A.
  • 3129437057 | +1 312-943-7057 Illinois U.S.A.
  • 3129437058 | +1 312-943-7058 Illinois U.S.A.
  • 3129437059 | +1 312-943-7059 Illinois U.S.A.
  • 3129437060 | +1 312-943-7060 Illinois U.S.A.
  • 3129437061 | +1 312-943-7061 Illinois U.S.A.
  • 3129437062 | +1 312-943-7062 Illinois U.S.A.
  • 3129437063 | +1 312-943-7063 Illinois U.S.A.
  • 3129437064 | +1 312-943-7064 Illinois U.S.A.
  • 3129437065 | +1 312-943-7065 Illinois U.S.A.
  • 3129437066 | +1 312-943-7066 Illinois U.S.A.
  • 3129437067 | +1 312-943-7067 Illinois U.S.A.
  • 3129437068 | +1 312-943-7068 Illinois U.S.A.
  • 3129437069 | +1 312-943-7069 Illinois U.S.A.
  • 3129437070 | +1 312-943-7070 Illinois U.S.A.
  • 3129437071 | +1 312-943-7071 Illinois U.S.A.
  • 3129437072 | +1 312-943-7072 Illinois U.S.A.
  • 3129437073 | +1 312-943-7073 Illinois U.S.A.
  • 3129437074 | +1 312-943-7074 Illinois U.S.A.
  • 3129437075 | +1 312-943-7075 Illinois U.S.A.
  • 3129437076 | +1 312-943-7076 Illinois U.S.A.
  • 3129437077 | +1 312-943-7077 Illinois U.S.A.
  • 3129437078 | +1 312-943-7078 Illinois U.S.A.
  • 3129437079 | +1 312-943-7079 Illinois U.S.A.
  • 3129437080 | +1 312-943-7080 Illinois U.S.A.
  • 3129437081 | +1 312-943-7081 Illinois U.S.A.
  • 3129437082 | +1 312-943-7082 Illinois U.S.A.
  • 3129437083 | +1 312-943-7083 Illinois U.S.A.
  • 3129437084 | +1 312-943-7084 Illinois U.S.A.
  • 3129437085 | +1 312-943-7085 Illinois U.S.A.
  • 3129437086 | +1 312-943-7086 Illinois U.S.A.
  • 3129437087 | +1 312-943-7087 Illinois U.S.A.
  • 3129437088 | +1 312-943-7088 Illinois U.S.A.
  • 3129437089 | +1 312-943-7089 Illinois U.S.A.
  • 3129437090 | +1 312-943-7090 Illinois U.S.A.
  • 3129437091 | +1 312-943-7091 Illinois U.S.A.
  • 3129437092 | +1 312-943-7092 Illinois U.S.A.
  • 3129437093 | +1 312-943-7093 Illinois U.S.A.
  • 3129437094 | +1 312-943-7094 Illinois U.S.A.
  • 3129437095 | +1 312-943-7095 Illinois U.S.A.
  • 3129437096 | +1 312-943-7096 Illinois U.S.A.
  • 3129437097 | +1 312-943-7097 Illinois U.S.A.
  • 3129437098 | +1 312-943-7098 Illinois U.S.A.
  • 3129437099 | +1 312-943-7099 Illinois U.S.A.