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).

  • 3125582000 | +1 312-558-2000 Illinois U.S.A.
  • 3125582001 | +1 312-558-2001 Illinois U.S.A.
  • 3125582002 | +1 312-558-2002 Illinois U.S.A.
  • 3125582003 | +1 312-558-2003 Illinois U.S.A.
  • 3125582004 | +1 312-558-2004 Illinois U.S.A.
  • 3125582005 | +1 312-558-2005 Illinois U.S.A.
  • 3125582006 | +1 312-558-2006 Illinois U.S.A.
  • 3125582007 | +1 312-558-2007 Illinois U.S.A.
  • 3125582008 | +1 312-558-2008 Illinois U.S.A.
  • 3125582009 | +1 312-558-2009 Illinois U.S.A.
  • 3125582010 | +1 312-558-2010 Illinois U.S.A.
  • 3125582011 | +1 312-558-2011 Illinois U.S.A.
  • 3125582012 | +1 312-558-2012 Illinois U.S.A.
  • 3125582013 | +1 312-558-2013 Illinois U.S.A.
  • 3125582014 | +1 312-558-2014 Illinois U.S.A.
  • 3125582015 | +1 312-558-2015 Illinois U.S.A.
  • 3125582016 | +1 312-558-2016 Illinois U.S.A.
  • 3125582017 | +1 312-558-2017 Illinois U.S.A.
  • 3125582018 | +1 312-558-2018 Illinois U.S.A.
  • 3125582019 | +1 312-558-2019 Illinois U.S.A.
  • 3125582020 | +1 312-558-2020 Illinois U.S.A.
  • 3125582021 | +1 312-558-2021 Illinois U.S.A.
  • 3125582022 | +1 312-558-2022 Illinois U.S.A.
  • 3125582023 | +1 312-558-2023 Illinois U.S.A.
  • 3125582024 | +1 312-558-2024 Illinois U.S.A.
  • 3125582025 | +1 312-558-2025 Illinois U.S.A.
  • 3125582026 | +1 312-558-2026 Illinois U.S.A.
  • 3125582027 | +1 312-558-2027 Illinois U.S.A.
  • 3125582028 | +1 312-558-2028 Illinois U.S.A.
  • 3125582029 | +1 312-558-2029 Illinois U.S.A.
  • 3125582030 | +1 312-558-2030 Illinois U.S.A.
  • 3125582031 | +1 312-558-2031 Illinois U.S.A.
  • 3125582032 | +1 312-558-2032 Illinois U.S.A.
  • 3125582033 | +1 312-558-2033 Illinois U.S.A.
  • 3125582034 | +1 312-558-2034 Illinois U.S.A.
  • 3125582035 | +1 312-558-2035 Illinois U.S.A.
  • 3125582036 | +1 312-558-2036 Illinois U.S.A.
  • 3125582037 | +1 312-558-2037 Illinois U.S.A.
  • 3125582038 | +1 312-558-2038 Illinois U.S.A.
  • 3125582039 | +1 312-558-2039 Illinois U.S.A.
  • 3125582040 | +1 312-558-2040 Illinois U.S.A.
  • 3125582041 | +1 312-558-2041 Illinois U.S.A.
  • 3125582042 | +1 312-558-2042 Illinois U.S.A.
  • 3125582043 | +1 312-558-2043 Illinois U.S.A.
  • 3125582044 | +1 312-558-2044 Illinois U.S.A.
  • 3125582045 | +1 312-558-2045 Illinois U.S.A.
  • 3125582046 | +1 312-558-2046 Illinois U.S.A.
  • 3125582047 | +1 312-558-2047 Illinois U.S.A.
  • 3125582048 | +1 312-558-2048 Illinois U.S.A.
  • 3125582049 | +1 312-558-2049 Illinois U.S.A.
  • 3125582050 | +1 312-558-2050 Illinois U.S.A.
  • 3125582051 | +1 312-558-2051 Illinois U.S.A.
  • 3125582052 | +1 312-558-2052 Illinois U.S.A.
  • 3125582053 | +1 312-558-2053 Illinois U.S.A.
  • 3125582054 | +1 312-558-2054 Illinois U.S.A.
  • 3125582055 | +1 312-558-2055 Illinois U.S.A.
  • 3125582056 | +1 312-558-2056 Illinois U.S.A.
  • 3125582057 | +1 312-558-2057 Illinois U.S.A.
  • 3125582058 | +1 312-558-2058 Illinois U.S.A.
  • 3125582059 | +1 312-558-2059 Illinois U.S.A.
  • 3125582060 | +1 312-558-2060 Illinois U.S.A.
  • 3125582061 | +1 312-558-2061 Illinois U.S.A.
  • 3125582062 | +1 312-558-2062 Illinois U.S.A.
  • 3125582063 | +1 312-558-2063 Illinois U.S.A.
  • 3125582064 | +1 312-558-2064 Illinois U.S.A.
  • 3125582065 | +1 312-558-2065 Illinois U.S.A.
  • 3125582066 | +1 312-558-2066 Illinois U.S.A.
  • 3125582067 | +1 312-558-2067 Illinois U.S.A.
  • 3125582068 | +1 312-558-2068 Illinois U.S.A.
  • 3125582069 | +1 312-558-2069 Illinois U.S.A.
  • 3125582070 | +1 312-558-2070 Illinois U.S.A.
  • 3125582071 | +1 312-558-2071 Illinois U.S.A.
  • 3125582072 | +1 312-558-2072 Illinois U.S.A.
  • 3125582073 | +1 312-558-2073 Illinois U.S.A.
  • 3125582074 | +1 312-558-2074 Illinois U.S.A.
  • 3125582075 | +1 312-558-2075 Illinois U.S.A.
  • 3125582076 | +1 312-558-2076 Illinois U.S.A.
  • 3125582077 | +1 312-558-2077 Illinois U.S.A.
  • 3125582078 | +1 312-558-2078 Illinois U.S.A.
  • 3125582079 | +1 312-558-2079 Illinois U.S.A.
  • 3125582080 | +1 312-558-2080 Illinois U.S.A.
  • 3125582081 | +1 312-558-2081 Illinois U.S.A.
  • 3125582082 | +1 312-558-2082 Illinois U.S.A.
  • 3125582083 | +1 312-558-2083 Illinois U.S.A.
  • 3125582084 | +1 312-558-2084 Illinois U.S.A.
  • 3125582085 | +1 312-558-2085 Illinois U.S.A.
  • 3125582086 | +1 312-558-2086 Illinois U.S.A.
  • 3125582087 | +1 312-558-2087 Illinois U.S.A.
  • 3125582088 | +1 312-558-2088 Illinois U.S.A.
  • 3125582089 | +1 312-558-2089 Illinois U.S.A.
  • 3125582090 | +1 312-558-2090 Illinois U.S.A.
  • 3125582091 | +1 312-558-2091 Illinois U.S.A.
  • 3125582092 | +1 312-558-2092 Illinois U.S.A.
  • 3125582093 | +1 312-558-2093 Illinois U.S.A.
  • 3125582094 | +1 312-558-2094 Illinois U.S.A.
  • 3125582095 | +1 312-558-2095 Illinois U.S.A.
  • 3125582096 | +1 312-558-2096 Illinois U.S.A.
  • 3125582097 | +1 312-558-2097 Illinois U.S.A.
  • 3125582098 | +1 312-558-2098 Illinois U.S.A.
  • 3125582099 | +1 312-558-2099 Illinois U.S.A.