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).

  • 3127557000 | +1 312-755-7000 Illinois U.S.A.
  • 3127557001 | +1 312-755-7001 Illinois U.S.A.
  • 3127557002 | +1 312-755-7002 Illinois U.S.A.
  • 3127557003 | +1 312-755-7003 Illinois U.S.A.
  • 3127557004 | +1 312-755-7004 Illinois U.S.A.
  • 3127557005 | +1 312-755-7005 Illinois U.S.A.
  • 3127557006 | +1 312-755-7006 Illinois U.S.A.
  • 3127557007 | +1 312-755-7007 Illinois U.S.A.
  • 3127557008 | +1 312-755-7008 Illinois U.S.A.
  • 3127557009 | +1 312-755-7009 Illinois U.S.A.
  • 3127557010 | +1 312-755-7010 Illinois U.S.A.
  • 3127557011 | +1 312-755-7011 Illinois U.S.A.
  • 3127557012 | +1 312-755-7012 Illinois U.S.A.
  • 3127557013 | +1 312-755-7013 Illinois U.S.A.
  • 3127557014 | +1 312-755-7014 Illinois U.S.A.
  • 3127557015 | +1 312-755-7015 Illinois U.S.A.
  • 3127557016 | +1 312-755-7016 Illinois U.S.A.
  • 3127557017 | +1 312-755-7017 Illinois U.S.A.
  • 3127557018 | +1 312-755-7018 Illinois U.S.A.
  • 3127557019 | +1 312-755-7019 Illinois U.S.A.
  • 3127557020 | +1 312-755-7020 Illinois U.S.A.
  • 3127557021 | +1 312-755-7021 Illinois U.S.A.
  • 3127557022 | +1 312-755-7022 Illinois U.S.A.
  • 3127557023 | +1 312-755-7023 Illinois U.S.A.
  • 3127557024 | +1 312-755-7024 Illinois U.S.A.
  • 3127557025 | +1 312-755-7025 Illinois U.S.A.
  • 3127557026 | +1 312-755-7026 Illinois U.S.A.
  • 3127557027 | +1 312-755-7027 Illinois U.S.A.
  • 3127557028 | +1 312-755-7028 Illinois U.S.A.
  • 3127557029 | +1 312-755-7029 Illinois U.S.A.
  • 3127557030 | +1 312-755-7030 Illinois U.S.A.
  • 3127557031 | +1 312-755-7031 Illinois U.S.A.
  • 3127557032 | +1 312-755-7032 Illinois U.S.A.
  • 3127557033 | +1 312-755-7033 Illinois U.S.A.
  • 3127557034 | +1 312-755-7034 Illinois U.S.A.
  • 3127557035 | +1 312-755-7035 Illinois U.S.A.
  • 3127557036 | +1 312-755-7036 Illinois U.S.A.
  • 3127557037 | +1 312-755-7037 Illinois U.S.A.
  • 3127557038 | +1 312-755-7038 Illinois U.S.A.
  • 3127557039 | +1 312-755-7039 Illinois U.S.A.
  • 3127557040 | +1 312-755-7040 Illinois U.S.A.
  • 3127557041 | +1 312-755-7041 Illinois U.S.A.
  • 3127557042 | +1 312-755-7042 Illinois U.S.A.
  • 3127557043 | +1 312-755-7043 Illinois U.S.A.
  • 3127557044 | +1 312-755-7044 Illinois U.S.A.
  • 3127557045 | +1 312-755-7045 Illinois U.S.A.
  • 3127557046 | +1 312-755-7046 Illinois U.S.A.
  • 3127557047 | +1 312-755-7047 Illinois U.S.A.
  • 3127557048 | +1 312-755-7048 Illinois U.S.A.
  • 3127557049 | +1 312-755-7049 Illinois U.S.A.
  • 3127557050 | +1 312-755-7050 Illinois U.S.A.
  • 3127557051 | +1 312-755-7051 Illinois U.S.A.
  • 3127557052 | +1 312-755-7052 Illinois U.S.A.
  • 3127557053 | +1 312-755-7053 Illinois U.S.A.
  • 3127557054 | +1 312-755-7054 Illinois U.S.A.
  • 3127557055 | +1 312-755-7055 Illinois U.S.A.
  • 3127557056 | +1 312-755-7056 Illinois U.S.A.
  • 3127557057 | +1 312-755-7057 Illinois U.S.A.
  • 3127557058 | +1 312-755-7058 Illinois U.S.A.
  • 3127557059 | +1 312-755-7059 Illinois U.S.A.
  • 3127557060 | +1 312-755-7060 Illinois U.S.A.
  • 3127557061 | +1 312-755-7061 Illinois U.S.A.
  • 3127557062 | +1 312-755-7062 Illinois U.S.A.
  • 3127557063 | +1 312-755-7063 Illinois U.S.A.
  • 3127557064 | +1 312-755-7064 Illinois U.S.A.
  • 3127557065 | +1 312-755-7065 Illinois U.S.A.
  • 3127557066 | +1 312-755-7066 Illinois U.S.A.
  • 3127557067 | +1 312-755-7067 Illinois U.S.A.
  • 3127557068 | +1 312-755-7068 Illinois U.S.A.
  • 3127557069 | +1 312-755-7069 Illinois U.S.A.
  • 3127557070 | +1 312-755-7070 Illinois U.S.A.
  • 3127557071 | +1 312-755-7071 Illinois U.S.A.
  • 3127557072 | +1 312-755-7072 Illinois U.S.A.
  • 3127557073 | +1 312-755-7073 Illinois U.S.A.
  • 3127557074 | +1 312-755-7074 Illinois U.S.A.
  • 3127557075 | +1 312-755-7075 Illinois U.S.A.
  • 3127557076 | +1 312-755-7076 Illinois U.S.A.
  • 3127557077 | +1 312-755-7077 Illinois U.S.A.
  • 3127557078 | +1 312-755-7078 Illinois U.S.A.
  • 3127557079 | +1 312-755-7079 Illinois U.S.A.
  • 3127557080 | +1 312-755-7080 Illinois U.S.A.
  • 3127557081 | +1 312-755-7081 Illinois U.S.A.
  • 3127557082 | +1 312-755-7082 Illinois U.S.A.
  • 3127557083 | +1 312-755-7083 Illinois U.S.A.
  • 3127557084 | +1 312-755-7084 Illinois U.S.A.
  • 3127557085 | +1 312-755-7085 Illinois U.S.A.
  • 3127557086 | +1 312-755-7086 Illinois U.S.A.
  • 3127557087 | +1 312-755-7087 Illinois U.S.A.
  • 3127557088 | +1 312-755-7088 Illinois U.S.A.
  • 3127557089 | +1 312-755-7089 Illinois U.S.A.
  • 3127557090 | +1 312-755-7090 Illinois U.S.A.
  • 3127557091 | +1 312-755-7091 Illinois U.S.A.
  • 3127557092 | +1 312-755-7092 Illinois U.S.A.
  • 3127557093 | +1 312-755-7093 Illinois U.S.A.
  • 3127557094 | +1 312-755-7094 Illinois U.S.A.
  • 3127557095 | +1 312-755-7095 Illinois U.S.A.
  • 3127557096 | +1 312-755-7096 Illinois U.S.A.
  • 3127557097 | +1 312-755-7097 Illinois U.S.A.
  • 3127557098 | +1 312-755-7098 Illinois U.S.A.
  • 3127557099 | +1 312-755-7099 Illinois U.S.A.