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).

  • 3129887000 | +1 312-988-7000 Illinois U.S.A.
  • 3129887001 | +1 312-988-7001 Illinois U.S.A.
  • 3129887002 | +1 312-988-7002 Illinois U.S.A.
  • 3129887003 | +1 312-988-7003 Illinois U.S.A.
  • 3129887004 | +1 312-988-7004 Illinois U.S.A.
  • 3129887005 | +1 312-988-7005 Illinois U.S.A.
  • 3129887006 | +1 312-988-7006 Illinois U.S.A.
  • 3129887007 | +1 312-988-7007 Illinois U.S.A.
  • 3129887008 | +1 312-988-7008 Illinois U.S.A.
  • 3129887009 | +1 312-988-7009 Illinois U.S.A.
  • 3129887010 | +1 312-988-7010 Illinois U.S.A.
  • 3129887011 | +1 312-988-7011 Illinois U.S.A.
  • 3129887012 | +1 312-988-7012 Illinois U.S.A.
  • 3129887013 | +1 312-988-7013 Illinois U.S.A.
  • 3129887014 | +1 312-988-7014 Illinois U.S.A.
  • 3129887015 | +1 312-988-7015 Illinois U.S.A.
  • 3129887016 | +1 312-988-7016 Illinois U.S.A.
  • 3129887017 | +1 312-988-7017 Illinois U.S.A.
  • 3129887018 | +1 312-988-7018 Illinois U.S.A.
  • 3129887019 | +1 312-988-7019 Illinois U.S.A.
  • 3129887020 | +1 312-988-7020 Illinois U.S.A.
  • 3129887021 | +1 312-988-7021 Illinois U.S.A.
  • 3129887022 | +1 312-988-7022 Illinois U.S.A.
  • 3129887023 | +1 312-988-7023 Illinois U.S.A.
  • 3129887024 | +1 312-988-7024 Illinois U.S.A.
  • 3129887025 | +1 312-988-7025 Illinois U.S.A.
  • 3129887026 | +1 312-988-7026 Illinois U.S.A.
  • 3129887027 | +1 312-988-7027 Illinois U.S.A.
  • 3129887028 | +1 312-988-7028 Illinois U.S.A.
  • 3129887029 | +1 312-988-7029 Illinois U.S.A.
  • 3129887030 | +1 312-988-7030 Illinois U.S.A.
  • 3129887031 | +1 312-988-7031 Illinois U.S.A.
  • 3129887032 | +1 312-988-7032 Illinois U.S.A.
  • 3129887033 | +1 312-988-7033 Illinois U.S.A.
  • 3129887034 | +1 312-988-7034 Illinois U.S.A.
  • 3129887035 | +1 312-988-7035 Illinois U.S.A.
  • 3129887036 | +1 312-988-7036 Illinois U.S.A.
  • 3129887037 | +1 312-988-7037 Illinois U.S.A.
  • 3129887038 | +1 312-988-7038 Illinois U.S.A.
  • 3129887039 | +1 312-988-7039 Illinois U.S.A.
  • 3129887040 | +1 312-988-7040 Illinois U.S.A.
  • 3129887041 | +1 312-988-7041 Illinois U.S.A.
  • 3129887042 | +1 312-988-7042 Illinois U.S.A.
  • 3129887043 | +1 312-988-7043 Illinois U.S.A.
  • 3129887044 | +1 312-988-7044 Illinois U.S.A.
  • 3129887045 | +1 312-988-7045 Illinois U.S.A.
  • 3129887046 | +1 312-988-7046 Illinois U.S.A.
  • 3129887047 | +1 312-988-7047 Illinois U.S.A.
  • 3129887048 | +1 312-988-7048 Illinois U.S.A.
  • 3129887049 | +1 312-988-7049 Illinois U.S.A.
  • 3129887050 | +1 312-988-7050 Illinois U.S.A.
  • 3129887051 | +1 312-988-7051 Illinois U.S.A.
  • 3129887052 | +1 312-988-7052 Illinois U.S.A.
  • 3129887053 | +1 312-988-7053 Illinois U.S.A.
  • 3129887054 | +1 312-988-7054 Illinois U.S.A.
  • 3129887055 | +1 312-988-7055 Illinois U.S.A.
  • 3129887056 | +1 312-988-7056 Illinois U.S.A.
  • 3129887057 | +1 312-988-7057 Illinois U.S.A.
  • 3129887058 | +1 312-988-7058 Illinois U.S.A.
  • 3129887059 | +1 312-988-7059 Illinois U.S.A.
  • 3129887060 | +1 312-988-7060 Illinois U.S.A.
  • 3129887061 | +1 312-988-7061 Illinois U.S.A.
  • 3129887062 | +1 312-988-7062 Illinois U.S.A.
  • 3129887063 | +1 312-988-7063 Illinois U.S.A.
  • 3129887064 | +1 312-988-7064 Illinois U.S.A.
  • 3129887065 | +1 312-988-7065 Illinois U.S.A.
  • 3129887066 | +1 312-988-7066 Illinois U.S.A.
  • 3129887067 | +1 312-988-7067 Illinois U.S.A.
  • 3129887068 | +1 312-988-7068 Illinois U.S.A.
  • 3129887069 | +1 312-988-7069 Illinois U.S.A.
  • 3129887070 | +1 312-988-7070 Illinois U.S.A.
  • 3129887071 | +1 312-988-7071 Illinois U.S.A.
  • 3129887072 | +1 312-988-7072 Illinois U.S.A.
  • 3129887073 | +1 312-988-7073 Illinois U.S.A.
  • 3129887074 | +1 312-988-7074 Illinois U.S.A.
  • 3129887075 | +1 312-988-7075 Illinois U.S.A.
  • 3129887076 | +1 312-988-7076 Illinois U.S.A.
  • 3129887077 | +1 312-988-7077 Illinois U.S.A.
  • 3129887078 | +1 312-988-7078 Illinois U.S.A.
  • 3129887079 | +1 312-988-7079 Illinois U.S.A.
  • 3129887080 | +1 312-988-7080 Illinois U.S.A.
  • 3129887081 | +1 312-988-7081 Illinois U.S.A.
  • 3129887082 | +1 312-988-7082 Illinois U.S.A.
  • 3129887083 | +1 312-988-7083 Illinois U.S.A.
  • 3129887084 | +1 312-988-7084 Illinois U.S.A.
  • 3129887085 | +1 312-988-7085 Illinois U.S.A.
  • 3129887086 | +1 312-988-7086 Illinois U.S.A.
  • 3129887087 | +1 312-988-7087 Illinois U.S.A.
  • 3129887088 | +1 312-988-7088 Illinois U.S.A.
  • 3129887089 | +1 312-988-7089 Illinois U.S.A.
  • 3129887090 | +1 312-988-7090 Illinois U.S.A.
  • 3129887091 | +1 312-988-7091 Illinois U.S.A.
  • 3129887092 | +1 312-988-7092 Illinois U.S.A.
  • 3129887093 | +1 312-988-7093 Illinois U.S.A.
  • 3129887094 | +1 312-988-7094 Illinois U.S.A.
  • 3129887095 | +1 312-988-7095 Illinois U.S.A.
  • 3129887096 | +1 312-988-7096 Illinois U.S.A.
  • 3129887097 | +1 312-988-7097 Illinois U.S.A.
  • 3129887098 | +1 312-988-7098 Illinois U.S.A.
  • 3129887099 | +1 312-988-7099 Illinois U.S.A.