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).

  • 3128542000 | +1 312-854-2000 Illinois U.S.A.
  • 3128542001 | +1 312-854-2001 Illinois U.S.A.
  • 3128542002 | +1 312-854-2002 Illinois U.S.A.
  • 3128542003 | +1 312-854-2003 Illinois U.S.A.
  • 3128542004 | +1 312-854-2004 Illinois U.S.A.
  • 3128542005 | +1 312-854-2005 Illinois U.S.A.
  • 3128542006 | +1 312-854-2006 Illinois U.S.A.
  • 3128542007 | +1 312-854-2007 Illinois U.S.A.
  • 3128542008 | +1 312-854-2008 Illinois U.S.A.
  • 3128542009 | +1 312-854-2009 Illinois U.S.A.
  • 3128542010 | +1 312-854-2010 Illinois U.S.A.
  • 3128542011 | +1 312-854-2011 Illinois U.S.A.
  • 3128542012 | +1 312-854-2012 Illinois U.S.A.
  • 3128542013 | +1 312-854-2013 Illinois U.S.A.
  • 3128542014 | +1 312-854-2014 Illinois U.S.A.
  • 3128542015 | +1 312-854-2015 Illinois U.S.A.
  • 3128542016 | +1 312-854-2016 Illinois U.S.A.
  • 3128542017 | +1 312-854-2017 Illinois U.S.A.
  • 3128542018 | +1 312-854-2018 Illinois U.S.A.
  • 3128542019 | +1 312-854-2019 Illinois U.S.A.
  • 3128542020 | +1 312-854-2020 Illinois U.S.A.
  • 3128542021 | +1 312-854-2021 Illinois U.S.A.
  • 3128542022 | +1 312-854-2022 Illinois U.S.A.
  • 3128542023 | +1 312-854-2023 Illinois U.S.A.
  • 3128542024 | +1 312-854-2024 Illinois U.S.A.
  • 3128542025 | +1 312-854-2025 Illinois U.S.A.
  • 3128542026 | +1 312-854-2026 Illinois U.S.A.
  • 3128542027 | +1 312-854-2027 Illinois U.S.A.
  • 3128542028 | +1 312-854-2028 Illinois U.S.A.
  • 3128542029 | +1 312-854-2029 Illinois U.S.A.
  • 3128542030 | +1 312-854-2030 Illinois U.S.A.
  • 3128542031 | +1 312-854-2031 Illinois U.S.A.
  • 3128542032 | +1 312-854-2032 Illinois U.S.A.
  • 3128542033 | +1 312-854-2033 Illinois U.S.A.
  • 3128542034 | +1 312-854-2034 Illinois U.S.A.
  • 3128542035 | +1 312-854-2035 Illinois U.S.A.
  • 3128542036 | +1 312-854-2036 Illinois U.S.A.
  • 3128542037 | +1 312-854-2037 Illinois U.S.A.
  • 3128542038 | +1 312-854-2038 Illinois U.S.A.
  • 3128542039 | +1 312-854-2039 Illinois U.S.A.
  • 3128542040 | +1 312-854-2040 Illinois U.S.A.
  • 3128542041 | +1 312-854-2041 Illinois U.S.A.
  • 3128542042 | +1 312-854-2042 Illinois U.S.A.
  • 3128542043 | +1 312-854-2043 Illinois U.S.A.
  • 3128542044 | +1 312-854-2044 Illinois U.S.A.
  • 3128542045 | +1 312-854-2045 Illinois U.S.A.
  • 3128542046 | +1 312-854-2046 Illinois U.S.A.
  • 3128542047 | +1 312-854-2047 Illinois U.S.A.
  • 3128542048 | +1 312-854-2048 Illinois U.S.A.
  • 3128542049 | +1 312-854-2049 Illinois U.S.A.
  • 3128542050 | +1 312-854-2050 Illinois U.S.A.
  • 3128542051 | +1 312-854-2051 Illinois U.S.A.
  • 3128542052 | +1 312-854-2052 Illinois U.S.A.
  • 3128542053 | +1 312-854-2053 Illinois U.S.A.
  • 3128542054 | +1 312-854-2054 Illinois U.S.A.
  • 3128542055 | +1 312-854-2055 Illinois U.S.A.
  • 3128542056 | +1 312-854-2056 Illinois U.S.A.
  • 3128542057 | +1 312-854-2057 Illinois U.S.A.
  • 3128542058 | +1 312-854-2058 Illinois U.S.A.
  • 3128542059 | +1 312-854-2059 Illinois U.S.A.
  • 3128542060 | +1 312-854-2060 Illinois U.S.A.
  • 3128542061 | +1 312-854-2061 Illinois U.S.A.
  • 3128542062 | +1 312-854-2062 Illinois U.S.A.
  • 3128542063 | +1 312-854-2063 Illinois U.S.A.
  • 3128542064 | +1 312-854-2064 Illinois U.S.A.
  • 3128542065 | +1 312-854-2065 Illinois U.S.A.
  • 3128542066 | +1 312-854-2066 Illinois U.S.A.
  • 3128542067 | +1 312-854-2067 Illinois U.S.A.
  • 3128542068 | +1 312-854-2068 Illinois U.S.A.
  • 3128542069 | +1 312-854-2069 Illinois U.S.A.
  • 3128542070 | +1 312-854-2070 Illinois U.S.A.
  • 3128542071 | +1 312-854-2071 Illinois U.S.A.
  • 3128542072 | +1 312-854-2072 Illinois U.S.A.
  • 3128542073 | +1 312-854-2073 Illinois U.S.A.
  • 3128542074 | +1 312-854-2074 Illinois U.S.A.
  • 3128542075 | +1 312-854-2075 Illinois U.S.A.
  • 3128542076 | +1 312-854-2076 Illinois U.S.A.
  • 3128542077 | +1 312-854-2077 Illinois U.S.A.
  • 3128542078 | +1 312-854-2078 Illinois U.S.A.
  • 3128542079 | +1 312-854-2079 Illinois U.S.A.
  • 3128542080 | +1 312-854-2080 Illinois U.S.A.
  • 3128542081 | +1 312-854-2081 Illinois U.S.A.
  • 3128542082 | +1 312-854-2082 Illinois U.S.A.
  • 3128542083 | +1 312-854-2083 Illinois U.S.A.
  • 3128542084 | +1 312-854-2084 Illinois U.S.A.
  • 3128542085 | +1 312-854-2085 Illinois U.S.A.
  • 3128542086 | +1 312-854-2086 Illinois U.S.A.
  • 3128542087 | +1 312-854-2087 Illinois U.S.A.
  • 3128542088 | +1 312-854-2088 Illinois U.S.A.
  • 3128542089 | +1 312-854-2089 Illinois U.S.A.
  • 3128542090 | +1 312-854-2090 Illinois U.S.A.
  • 3128542091 | +1 312-854-2091 Illinois U.S.A.
  • 3128542092 | +1 312-854-2092 Illinois U.S.A.
  • 3128542093 | +1 312-854-2093 Illinois U.S.A.
  • 3128542094 | +1 312-854-2094 Illinois U.S.A.
  • 3128542095 | +1 312-854-2095 Illinois U.S.A.
  • 3128542096 | +1 312-854-2096 Illinois U.S.A.
  • 3128542097 | +1 312-854-2097 Illinois U.S.A.
  • 3128542098 | +1 312-854-2098 Illinois U.S.A.
  • 3128542099 | +1 312-854-2099 Illinois U.S.A.