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).

  • 3127912000 | +1 312-791-2000 Illinois U.S.A.
  • 3127912001 | +1 312-791-2001 Illinois U.S.A.
  • 3127912002 | +1 312-791-2002 Illinois U.S.A.
  • 3127912003 | +1 312-791-2003 Illinois U.S.A.
  • 3127912004 | +1 312-791-2004 Illinois U.S.A.
  • 3127912005 | +1 312-791-2005 Illinois U.S.A.
  • 3127912006 | +1 312-791-2006 Illinois U.S.A.
  • 3127912007 | +1 312-791-2007 Illinois U.S.A.
  • 3127912008 | +1 312-791-2008 Illinois U.S.A.
  • 3127912009 | +1 312-791-2009 Illinois U.S.A.
  • 3127912010 | +1 312-791-2010 Illinois U.S.A.
  • 3127912011 | +1 312-791-2011 Illinois U.S.A.
  • 3127912012 | +1 312-791-2012 Illinois U.S.A.
  • 3127912013 | +1 312-791-2013 Illinois U.S.A.
  • 3127912014 | +1 312-791-2014 Illinois U.S.A.
  • 3127912015 | +1 312-791-2015 Illinois U.S.A.
  • 3127912016 | +1 312-791-2016 Illinois U.S.A.
  • 3127912017 | +1 312-791-2017 Illinois U.S.A.
  • 3127912018 | +1 312-791-2018 Illinois U.S.A.
  • 3127912019 | +1 312-791-2019 Illinois U.S.A.
  • 3127912020 | +1 312-791-2020 Illinois U.S.A.
  • 3127912021 | +1 312-791-2021 Illinois U.S.A.
  • 3127912022 | +1 312-791-2022 Illinois U.S.A.
  • 3127912023 | +1 312-791-2023 Illinois U.S.A.
  • 3127912024 | +1 312-791-2024 Illinois U.S.A.
  • 3127912025 | +1 312-791-2025 Illinois U.S.A.
  • 3127912026 | +1 312-791-2026 Illinois U.S.A.
  • 3127912027 | +1 312-791-2027 Illinois U.S.A.
  • 3127912028 | +1 312-791-2028 Illinois U.S.A.
  • 3127912029 | +1 312-791-2029 Illinois U.S.A.
  • 3127912030 | +1 312-791-2030 Illinois U.S.A.
  • 3127912031 | +1 312-791-2031 Illinois U.S.A.
  • 3127912032 | +1 312-791-2032 Illinois U.S.A.
  • 3127912033 | +1 312-791-2033 Illinois U.S.A.
  • 3127912034 | +1 312-791-2034 Illinois U.S.A.
  • 3127912035 | +1 312-791-2035 Illinois U.S.A.
  • 3127912036 | +1 312-791-2036 Illinois U.S.A.
  • 3127912037 | +1 312-791-2037 Illinois U.S.A.
  • 3127912038 | +1 312-791-2038 Illinois U.S.A.
  • 3127912039 | +1 312-791-2039 Illinois U.S.A.
  • 3127912040 | +1 312-791-2040 Illinois U.S.A.
  • 3127912041 | +1 312-791-2041 Illinois U.S.A.
  • 3127912042 | +1 312-791-2042 Illinois U.S.A.
  • 3127912043 | +1 312-791-2043 Illinois U.S.A.
  • 3127912044 | +1 312-791-2044 Illinois U.S.A.
  • 3127912045 | +1 312-791-2045 Illinois U.S.A.
  • 3127912046 | +1 312-791-2046 Illinois U.S.A.
  • 3127912047 | +1 312-791-2047 Illinois U.S.A.
  • 3127912048 | +1 312-791-2048 Illinois U.S.A.
  • 3127912049 | +1 312-791-2049 Illinois U.S.A.
  • 3127912050 | +1 312-791-2050 Illinois U.S.A.
  • 3127912051 | +1 312-791-2051 Illinois U.S.A.
  • 3127912052 | +1 312-791-2052 Illinois U.S.A.
  • 3127912053 | +1 312-791-2053 Illinois U.S.A.
  • 3127912054 | +1 312-791-2054 Illinois U.S.A.
  • 3127912055 | +1 312-791-2055 Illinois U.S.A.
  • 3127912056 | +1 312-791-2056 Illinois U.S.A.
  • 3127912057 | +1 312-791-2057 Illinois U.S.A.
  • 3127912058 | +1 312-791-2058 Illinois U.S.A.
  • 3127912059 | +1 312-791-2059 Illinois U.S.A.
  • 3127912060 | +1 312-791-2060 Illinois U.S.A.
  • 3127912061 | +1 312-791-2061 Illinois U.S.A.
  • 3127912062 | +1 312-791-2062 Illinois U.S.A.
  • 3127912063 | +1 312-791-2063 Illinois U.S.A.
  • 3127912064 | +1 312-791-2064 Illinois U.S.A.
  • 3127912065 | +1 312-791-2065 Illinois U.S.A.
  • 3127912066 | +1 312-791-2066 Illinois U.S.A.
  • 3127912067 | +1 312-791-2067 Illinois U.S.A.
  • 3127912068 | +1 312-791-2068 Illinois U.S.A.
  • 3127912069 | +1 312-791-2069 Illinois U.S.A.
  • 3127912070 | +1 312-791-2070 Illinois U.S.A.
  • 3127912071 | +1 312-791-2071 Illinois U.S.A.
  • 3127912072 | +1 312-791-2072 Illinois U.S.A.
  • 3127912073 | +1 312-791-2073 Illinois U.S.A.
  • 3127912074 | +1 312-791-2074 Illinois U.S.A.
  • 3127912075 | +1 312-791-2075 Illinois U.S.A.
  • 3127912076 | +1 312-791-2076 Illinois U.S.A.
  • 3127912077 | +1 312-791-2077 Illinois U.S.A.
  • 3127912078 | +1 312-791-2078 Illinois U.S.A.
  • 3127912079 | +1 312-791-2079 Illinois U.S.A.
  • 3127912080 | +1 312-791-2080 Illinois U.S.A.
  • 3127912081 | +1 312-791-2081 Illinois U.S.A.
  • 3127912082 | +1 312-791-2082 Illinois U.S.A.
  • 3127912083 | +1 312-791-2083 Illinois U.S.A.
  • 3127912084 | +1 312-791-2084 Illinois U.S.A.
  • 3127912085 | +1 312-791-2085 Illinois U.S.A.
  • 3127912086 | +1 312-791-2086 Illinois U.S.A.
  • 3127912087 | +1 312-791-2087 Illinois U.S.A.
  • 3127912088 | +1 312-791-2088 Illinois U.S.A.
  • 3127912089 | +1 312-791-2089 Illinois U.S.A.
  • 3127912090 | +1 312-791-2090 Illinois U.S.A.
  • 3127912091 | +1 312-791-2091 Illinois U.S.A.
  • 3127912092 | +1 312-791-2092 Illinois U.S.A.
  • 3127912093 | +1 312-791-2093 Illinois U.S.A.
  • 3127912094 | +1 312-791-2094 Illinois U.S.A.
  • 3127912095 | +1 312-791-2095 Illinois U.S.A.
  • 3127912096 | +1 312-791-2096 Illinois U.S.A.
  • 3127912097 | +1 312-791-2097 Illinois U.S.A.
  • 3127912098 | +1 312-791-2098 Illinois U.S.A.
  • 3127912099 | +1 312-791-2099 Illinois U.S.A.