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).

  • 3126422000 | +1 312-642-2000 Illinois U.S.A.
  • 3126422001 | +1 312-642-2001 Illinois U.S.A.
  • 3126422002 | +1 312-642-2002 Illinois U.S.A.
  • 3126422003 | +1 312-642-2003 Illinois U.S.A.
  • 3126422004 | +1 312-642-2004 Illinois U.S.A.
  • 3126422005 | +1 312-642-2005 Illinois U.S.A.
  • 3126422006 | +1 312-642-2006 Illinois U.S.A.
  • 3126422007 | +1 312-642-2007 Illinois U.S.A.
  • 3126422008 | +1 312-642-2008 Illinois U.S.A.
  • 3126422009 | +1 312-642-2009 Illinois U.S.A.
  • 3126422010 | +1 312-642-2010 Illinois U.S.A.
  • 3126422011 | +1 312-642-2011 Illinois U.S.A.
  • 3126422012 | +1 312-642-2012 Illinois U.S.A.
  • 3126422013 | +1 312-642-2013 Illinois U.S.A.
  • 3126422014 | +1 312-642-2014 Illinois U.S.A.
  • 3126422015 | +1 312-642-2015 Illinois U.S.A.
  • 3126422016 | +1 312-642-2016 Illinois U.S.A.
  • 3126422017 | +1 312-642-2017 Illinois U.S.A.
  • 3126422018 | +1 312-642-2018 Illinois U.S.A.
  • 3126422019 | +1 312-642-2019 Illinois U.S.A.
  • 3126422020 | +1 312-642-2020 Illinois U.S.A.
  • 3126422021 | +1 312-642-2021 Illinois U.S.A.
  • 3126422022 | +1 312-642-2022 Illinois U.S.A.
  • 3126422023 | +1 312-642-2023 Illinois U.S.A.
  • 3126422024 | +1 312-642-2024 Illinois U.S.A.
  • 3126422025 | +1 312-642-2025 Illinois U.S.A.
  • 3126422026 | +1 312-642-2026 Illinois U.S.A.
  • 3126422027 | +1 312-642-2027 Illinois U.S.A.
  • 3126422028 | +1 312-642-2028 Illinois U.S.A.
  • 3126422029 | +1 312-642-2029 Illinois U.S.A.
  • 3126422030 | +1 312-642-2030 Illinois U.S.A.
  • 3126422031 | +1 312-642-2031 Illinois U.S.A.
  • 3126422032 | +1 312-642-2032 Illinois U.S.A.
  • 3126422033 | +1 312-642-2033 Illinois U.S.A.
  • 3126422034 | +1 312-642-2034 Illinois U.S.A.
  • 3126422035 | +1 312-642-2035 Illinois U.S.A.
  • 3126422036 | +1 312-642-2036 Illinois U.S.A.
  • 3126422037 | +1 312-642-2037 Illinois U.S.A.
  • 3126422038 | +1 312-642-2038 Illinois U.S.A.
  • 3126422039 | +1 312-642-2039 Illinois U.S.A.
  • 3126422040 | +1 312-642-2040 Illinois U.S.A.
  • 3126422041 | +1 312-642-2041 Illinois U.S.A.
  • 3126422042 | +1 312-642-2042 Illinois U.S.A.
  • 3126422043 | +1 312-642-2043 Illinois U.S.A.
  • 3126422044 | +1 312-642-2044 Illinois U.S.A.
  • 3126422045 | +1 312-642-2045 Illinois U.S.A.
  • 3126422046 | +1 312-642-2046 Illinois U.S.A.
  • 3126422047 | +1 312-642-2047 Illinois U.S.A.
  • 3126422048 | +1 312-642-2048 Illinois U.S.A.
  • 3126422049 | +1 312-642-2049 Illinois U.S.A.
  • 3126422050 | +1 312-642-2050 Illinois U.S.A.
  • 3126422051 | +1 312-642-2051 Illinois U.S.A.
  • 3126422052 | +1 312-642-2052 Illinois U.S.A.
  • 3126422053 | +1 312-642-2053 Illinois U.S.A.
  • 3126422054 | +1 312-642-2054 Illinois U.S.A.
  • 3126422055 | +1 312-642-2055 Illinois U.S.A.
  • 3126422056 | +1 312-642-2056 Illinois U.S.A.
  • 3126422057 | +1 312-642-2057 Illinois U.S.A.
  • 3126422058 | +1 312-642-2058 Illinois U.S.A.
  • 3126422059 | +1 312-642-2059 Illinois U.S.A.
  • 3126422060 | +1 312-642-2060 Illinois U.S.A.
  • 3126422061 | +1 312-642-2061 Illinois U.S.A.
  • 3126422062 | +1 312-642-2062 Illinois U.S.A.
  • 3126422063 | +1 312-642-2063 Illinois U.S.A.
  • 3126422064 | +1 312-642-2064 Illinois U.S.A.
  • 3126422065 | +1 312-642-2065 Illinois U.S.A.
  • 3126422066 | +1 312-642-2066 Illinois U.S.A.
  • 3126422067 | +1 312-642-2067 Illinois U.S.A.
  • 3126422068 | +1 312-642-2068 Illinois U.S.A.
  • 3126422069 | +1 312-642-2069 Illinois U.S.A.
  • 3126422070 | +1 312-642-2070 Illinois U.S.A.
  • 3126422071 | +1 312-642-2071 Illinois U.S.A.
  • 3126422072 | +1 312-642-2072 Illinois U.S.A.
  • 3126422073 | +1 312-642-2073 Illinois U.S.A.
  • 3126422074 | +1 312-642-2074 Illinois U.S.A.
  • 3126422075 | +1 312-642-2075 Illinois U.S.A.
  • 3126422076 | +1 312-642-2076 Illinois U.S.A.
  • 3126422077 | +1 312-642-2077 Illinois U.S.A.
  • 3126422078 | +1 312-642-2078 Illinois U.S.A.
  • 3126422079 | +1 312-642-2079 Illinois U.S.A.
  • 3126422080 | +1 312-642-2080 Illinois U.S.A.
  • 3126422081 | +1 312-642-2081 Illinois U.S.A.
  • 3126422082 | +1 312-642-2082 Illinois U.S.A.
  • 3126422083 | +1 312-642-2083 Illinois U.S.A.
  • 3126422084 | +1 312-642-2084 Illinois U.S.A.
  • 3126422085 | +1 312-642-2085 Illinois U.S.A.
  • 3126422086 | +1 312-642-2086 Illinois U.S.A.
  • 3126422087 | +1 312-642-2087 Illinois U.S.A.
  • 3126422088 | +1 312-642-2088 Illinois U.S.A.
  • 3126422089 | +1 312-642-2089 Illinois U.S.A.
  • 3126422090 | +1 312-642-2090 Illinois U.S.A.
  • 3126422091 | +1 312-642-2091 Illinois U.S.A.
  • 3126422092 | +1 312-642-2092 Illinois U.S.A.
  • 3126422093 | +1 312-642-2093 Illinois U.S.A.
  • 3126422094 | +1 312-642-2094 Illinois U.S.A.
  • 3126422095 | +1 312-642-2095 Illinois U.S.A.
  • 3126422096 | +1 312-642-2096 Illinois U.S.A.
  • 3126422097 | +1 312-642-2097 Illinois U.S.A.
  • 3126422098 | +1 312-642-2098 Illinois U.S.A.
  • 3126422099 | +1 312-642-2099 Illinois U.S.A.