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).

  • 3129707000 | +1 312-970-7000 Illinois U.S.A.
  • 3129707001 | +1 312-970-7001 Illinois U.S.A.
  • 3129707002 | +1 312-970-7002 Illinois U.S.A.
  • 3129707003 | +1 312-970-7003 Illinois U.S.A.
  • 3129707004 | +1 312-970-7004 Illinois U.S.A.
  • 3129707005 | +1 312-970-7005 Illinois U.S.A.
  • 3129707006 | +1 312-970-7006 Illinois U.S.A.
  • 3129707007 | +1 312-970-7007 Illinois U.S.A.
  • 3129707008 | +1 312-970-7008 Illinois U.S.A.
  • 3129707009 | +1 312-970-7009 Illinois U.S.A.
  • 3129707010 | +1 312-970-7010 Illinois U.S.A.
  • 3129707011 | +1 312-970-7011 Illinois U.S.A.
  • 3129707012 | +1 312-970-7012 Illinois U.S.A.
  • 3129707013 | +1 312-970-7013 Illinois U.S.A.
  • 3129707014 | +1 312-970-7014 Illinois U.S.A.
  • 3129707015 | +1 312-970-7015 Illinois U.S.A.
  • 3129707016 | +1 312-970-7016 Illinois U.S.A.
  • 3129707017 | +1 312-970-7017 Illinois U.S.A.
  • 3129707018 | +1 312-970-7018 Illinois U.S.A.
  • 3129707019 | +1 312-970-7019 Illinois U.S.A.
  • 3129707020 | +1 312-970-7020 Illinois U.S.A.
  • 3129707021 | +1 312-970-7021 Illinois U.S.A.
  • 3129707022 | +1 312-970-7022 Illinois U.S.A.
  • 3129707023 | +1 312-970-7023 Illinois U.S.A.
  • 3129707024 | +1 312-970-7024 Illinois U.S.A.
  • 3129707025 | +1 312-970-7025 Illinois U.S.A.
  • 3129707026 | +1 312-970-7026 Illinois U.S.A.
  • 3129707027 | +1 312-970-7027 Illinois U.S.A.
  • 3129707028 | +1 312-970-7028 Illinois U.S.A.
  • 3129707029 | +1 312-970-7029 Illinois U.S.A.
  • 3129707030 | +1 312-970-7030 Illinois U.S.A.
  • 3129707031 | +1 312-970-7031 Illinois U.S.A.
  • 3129707032 | +1 312-970-7032 Illinois U.S.A.
  • 3129707033 | +1 312-970-7033 Illinois U.S.A.
  • 3129707034 | +1 312-970-7034 Illinois U.S.A.
  • 3129707035 | +1 312-970-7035 Illinois U.S.A.
  • 3129707036 | +1 312-970-7036 Illinois U.S.A.
  • 3129707037 | +1 312-970-7037 Illinois U.S.A.
  • 3129707038 | +1 312-970-7038 Illinois U.S.A.
  • 3129707039 | +1 312-970-7039 Illinois U.S.A.
  • 3129707040 | +1 312-970-7040 Illinois U.S.A.
  • 3129707041 | +1 312-970-7041 Illinois U.S.A.
  • 3129707042 | +1 312-970-7042 Illinois U.S.A.
  • 3129707043 | +1 312-970-7043 Illinois U.S.A.
  • 3129707044 | +1 312-970-7044 Illinois U.S.A.
  • 3129707045 | +1 312-970-7045 Illinois U.S.A.
  • 3129707046 | +1 312-970-7046 Illinois U.S.A.
  • 3129707047 | +1 312-970-7047 Illinois U.S.A.
  • 3129707048 | +1 312-970-7048 Illinois U.S.A.
  • 3129707049 | +1 312-970-7049 Illinois U.S.A.
  • 3129707050 | +1 312-970-7050 Illinois U.S.A.
  • 3129707051 | +1 312-970-7051 Illinois U.S.A.
  • 3129707052 | +1 312-970-7052 Illinois U.S.A.
  • 3129707053 | +1 312-970-7053 Illinois U.S.A.
  • 3129707054 | +1 312-970-7054 Illinois U.S.A.
  • 3129707055 | +1 312-970-7055 Illinois U.S.A.
  • 3129707056 | +1 312-970-7056 Illinois U.S.A.
  • 3129707057 | +1 312-970-7057 Illinois U.S.A.
  • 3129707058 | +1 312-970-7058 Illinois U.S.A.
  • 3129707059 | +1 312-970-7059 Illinois U.S.A.
  • 3129707060 | +1 312-970-7060 Illinois U.S.A.
  • 3129707061 | +1 312-970-7061 Illinois U.S.A.
  • 3129707062 | +1 312-970-7062 Illinois U.S.A.
  • 3129707063 | +1 312-970-7063 Illinois U.S.A.
  • 3129707064 | +1 312-970-7064 Illinois U.S.A.
  • 3129707065 | +1 312-970-7065 Illinois U.S.A.
  • 3129707066 | +1 312-970-7066 Illinois U.S.A.
  • 3129707067 | +1 312-970-7067 Illinois U.S.A.
  • 3129707068 | +1 312-970-7068 Illinois U.S.A.
  • 3129707069 | +1 312-970-7069 Illinois U.S.A.
  • 3129707070 | +1 312-970-7070 Illinois U.S.A.
  • 3129707071 | +1 312-970-7071 Illinois U.S.A.
  • 3129707072 | +1 312-970-7072 Illinois U.S.A.
  • 3129707073 | +1 312-970-7073 Illinois U.S.A.
  • 3129707074 | +1 312-970-7074 Illinois U.S.A.
  • 3129707075 | +1 312-970-7075 Illinois U.S.A.
  • 3129707076 | +1 312-970-7076 Illinois U.S.A.
  • 3129707077 | +1 312-970-7077 Illinois U.S.A.
  • 3129707078 | +1 312-970-7078 Illinois U.S.A.
  • 3129707079 | +1 312-970-7079 Illinois U.S.A.
  • 3129707080 | +1 312-970-7080 Illinois U.S.A.
  • 3129707081 | +1 312-970-7081 Illinois U.S.A.
  • 3129707082 | +1 312-970-7082 Illinois U.S.A.
  • 3129707083 | +1 312-970-7083 Illinois U.S.A.
  • 3129707084 | +1 312-970-7084 Illinois U.S.A.
  • 3129707085 | +1 312-970-7085 Illinois U.S.A.
  • 3129707086 | +1 312-970-7086 Illinois U.S.A.
  • 3129707087 | +1 312-970-7087 Illinois U.S.A.
  • 3129707088 | +1 312-970-7088 Illinois U.S.A.
  • 3129707089 | +1 312-970-7089 Illinois U.S.A.
  • 3129707090 | +1 312-970-7090 Illinois U.S.A.
  • 3129707091 | +1 312-970-7091 Illinois U.S.A.
  • 3129707092 | +1 312-970-7092 Illinois U.S.A.
  • 3129707093 | +1 312-970-7093 Illinois U.S.A.
  • 3129707094 | +1 312-970-7094 Illinois U.S.A.
  • 3129707095 | +1 312-970-7095 Illinois U.S.A.
  • 3129707096 | +1 312-970-7096 Illinois U.S.A.
  • 3129707097 | +1 312-970-7097 Illinois U.S.A.
  • 3129707098 | +1 312-970-7098 Illinois U.S.A.
  • 3129707099 | +1 312-970-7099 Illinois U.S.A.