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).

  • 3124272000 | +1 312-427-2000 Illinois U.S.A.
  • 3124272001 | +1 312-427-2001 Illinois U.S.A.
  • 3124272002 | +1 312-427-2002 Illinois U.S.A.
  • 3124272003 | +1 312-427-2003 Illinois U.S.A.
  • 3124272004 | +1 312-427-2004 Illinois U.S.A.
  • 3124272005 | +1 312-427-2005 Illinois U.S.A.
  • 3124272006 | +1 312-427-2006 Illinois U.S.A.
  • 3124272007 | +1 312-427-2007 Illinois U.S.A.
  • 3124272008 | +1 312-427-2008 Illinois U.S.A.
  • 3124272009 | +1 312-427-2009 Illinois U.S.A.
  • 3124272010 | +1 312-427-2010 Illinois U.S.A.
  • 3124272011 | +1 312-427-2011 Illinois U.S.A.
  • 3124272012 | +1 312-427-2012 Illinois U.S.A.
  • 3124272013 | +1 312-427-2013 Illinois U.S.A.
  • 3124272014 | +1 312-427-2014 Illinois U.S.A.
  • 3124272015 | +1 312-427-2015 Illinois U.S.A.
  • 3124272016 | +1 312-427-2016 Illinois U.S.A.
  • 3124272017 | +1 312-427-2017 Illinois U.S.A.
  • 3124272018 | +1 312-427-2018 Illinois U.S.A.
  • 3124272019 | +1 312-427-2019 Illinois U.S.A.
  • 3124272020 | +1 312-427-2020 Illinois U.S.A.
  • 3124272021 | +1 312-427-2021 Illinois U.S.A.
  • 3124272022 | +1 312-427-2022 Illinois U.S.A.
  • 3124272023 | +1 312-427-2023 Illinois U.S.A.
  • 3124272024 | +1 312-427-2024 Illinois U.S.A.
  • 3124272025 | +1 312-427-2025 Illinois U.S.A.
  • 3124272026 | +1 312-427-2026 Illinois U.S.A.
  • 3124272027 | +1 312-427-2027 Illinois U.S.A.
  • 3124272028 | +1 312-427-2028 Illinois U.S.A.
  • 3124272029 | +1 312-427-2029 Illinois U.S.A.
  • 3124272030 | +1 312-427-2030 Illinois U.S.A.
  • 3124272031 | +1 312-427-2031 Illinois U.S.A.
  • 3124272032 | +1 312-427-2032 Illinois U.S.A.
  • 3124272033 | +1 312-427-2033 Illinois U.S.A.
  • 3124272034 | +1 312-427-2034 Illinois U.S.A.
  • 3124272035 | +1 312-427-2035 Illinois U.S.A.
  • 3124272036 | +1 312-427-2036 Illinois U.S.A.
  • 3124272037 | +1 312-427-2037 Illinois U.S.A.
  • 3124272038 | +1 312-427-2038 Illinois U.S.A.
  • 3124272039 | +1 312-427-2039 Illinois U.S.A.
  • 3124272040 | +1 312-427-2040 Illinois U.S.A.
  • 3124272041 | +1 312-427-2041 Illinois U.S.A.
  • 3124272042 | +1 312-427-2042 Illinois U.S.A.
  • 3124272043 | +1 312-427-2043 Illinois U.S.A.
  • 3124272044 | +1 312-427-2044 Illinois U.S.A.
  • 3124272045 | +1 312-427-2045 Illinois U.S.A.
  • 3124272046 | +1 312-427-2046 Illinois U.S.A.
  • 3124272047 | +1 312-427-2047 Illinois U.S.A.
  • 3124272048 | +1 312-427-2048 Illinois U.S.A.
  • 3124272049 | +1 312-427-2049 Illinois U.S.A.
  • 3124272050 | +1 312-427-2050 Illinois U.S.A.
  • 3124272051 | +1 312-427-2051 Illinois U.S.A.
  • 3124272052 | +1 312-427-2052 Illinois U.S.A.
  • 3124272053 | +1 312-427-2053 Illinois U.S.A.
  • 3124272054 | +1 312-427-2054 Illinois U.S.A.
  • 3124272055 | +1 312-427-2055 Illinois U.S.A.
  • 3124272056 | +1 312-427-2056 Illinois U.S.A.
  • 3124272057 | +1 312-427-2057 Illinois U.S.A.
  • 3124272058 | +1 312-427-2058 Illinois U.S.A.
  • 3124272059 | +1 312-427-2059 Illinois U.S.A.
  • 3124272060 | +1 312-427-2060 Illinois U.S.A.
  • 3124272061 | +1 312-427-2061 Illinois U.S.A.
  • 3124272062 | +1 312-427-2062 Illinois U.S.A.
  • 3124272063 | +1 312-427-2063 Illinois U.S.A.
  • 3124272064 | +1 312-427-2064 Illinois U.S.A.
  • 3124272065 | +1 312-427-2065 Illinois U.S.A.
  • 3124272066 | +1 312-427-2066 Illinois U.S.A.
  • 3124272067 | +1 312-427-2067 Illinois U.S.A.
  • 3124272068 | +1 312-427-2068 Illinois U.S.A.
  • 3124272069 | +1 312-427-2069 Illinois U.S.A.
  • 3124272070 | +1 312-427-2070 Illinois U.S.A.
  • 3124272071 | +1 312-427-2071 Illinois U.S.A.
  • 3124272072 | +1 312-427-2072 Illinois U.S.A.
  • 3124272073 | +1 312-427-2073 Illinois U.S.A.
  • 3124272074 | +1 312-427-2074 Illinois U.S.A.
  • 3124272075 | +1 312-427-2075 Illinois U.S.A.
  • 3124272076 | +1 312-427-2076 Illinois U.S.A.
  • 3124272077 | +1 312-427-2077 Illinois U.S.A.
  • 3124272078 | +1 312-427-2078 Illinois U.S.A.
  • 3124272079 | +1 312-427-2079 Illinois U.S.A.
  • 3124272080 | +1 312-427-2080 Illinois U.S.A.
  • 3124272081 | +1 312-427-2081 Illinois U.S.A.
  • 3124272082 | +1 312-427-2082 Illinois U.S.A.
  • 3124272083 | +1 312-427-2083 Illinois U.S.A.
  • 3124272084 | +1 312-427-2084 Illinois U.S.A.
  • 3124272085 | +1 312-427-2085 Illinois U.S.A.
  • 3124272086 | +1 312-427-2086 Illinois U.S.A.
  • 3124272087 | +1 312-427-2087 Illinois U.S.A.
  • 3124272088 | +1 312-427-2088 Illinois U.S.A.
  • 3124272089 | +1 312-427-2089 Illinois U.S.A.
  • 3124272090 | +1 312-427-2090 Illinois U.S.A.
  • 3124272091 | +1 312-427-2091 Illinois U.S.A.
  • 3124272092 | +1 312-427-2092 Illinois U.S.A.
  • 3124272093 | +1 312-427-2093 Illinois U.S.A.
  • 3124272094 | +1 312-427-2094 Illinois U.S.A.
  • 3124272095 | +1 312-427-2095 Illinois U.S.A.
  • 3124272096 | +1 312-427-2096 Illinois U.S.A.
  • 3124272097 | +1 312-427-2097 Illinois U.S.A.
  • 3124272098 | +1 312-427-2098 Illinois U.S.A.
  • 3124272099 | +1 312-427-2099 Illinois U.S.A.