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).

  • 3124322000 | +1 312-432-2000 Illinois U.S.A.
  • 3124322001 | +1 312-432-2001 Illinois U.S.A.
  • 3124322002 | +1 312-432-2002 Illinois U.S.A.
  • 3124322003 | +1 312-432-2003 Illinois U.S.A.
  • 3124322004 | +1 312-432-2004 Illinois U.S.A.
  • 3124322005 | +1 312-432-2005 Illinois U.S.A.
  • 3124322006 | +1 312-432-2006 Illinois U.S.A.
  • 3124322007 | +1 312-432-2007 Illinois U.S.A.
  • 3124322008 | +1 312-432-2008 Illinois U.S.A.
  • 3124322009 | +1 312-432-2009 Illinois U.S.A.
  • 3124322010 | +1 312-432-2010 Illinois U.S.A.
  • 3124322011 | +1 312-432-2011 Illinois U.S.A.
  • 3124322012 | +1 312-432-2012 Illinois U.S.A.
  • 3124322013 | +1 312-432-2013 Illinois U.S.A.
  • 3124322014 | +1 312-432-2014 Illinois U.S.A.
  • 3124322015 | +1 312-432-2015 Illinois U.S.A.
  • 3124322016 | +1 312-432-2016 Illinois U.S.A.
  • 3124322017 | +1 312-432-2017 Illinois U.S.A.
  • 3124322018 | +1 312-432-2018 Illinois U.S.A.
  • 3124322019 | +1 312-432-2019 Illinois U.S.A.
  • 3124322020 | +1 312-432-2020 Illinois U.S.A.
  • 3124322021 | +1 312-432-2021 Illinois U.S.A.
  • 3124322022 | +1 312-432-2022 Illinois U.S.A.
  • 3124322023 | +1 312-432-2023 Illinois U.S.A.
  • 3124322024 | +1 312-432-2024 Illinois U.S.A.
  • 3124322025 | +1 312-432-2025 Illinois U.S.A.
  • 3124322026 | +1 312-432-2026 Illinois U.S.A.
  • 3124322027 | +1 312-432-2027 Illinois U.S.A.
  • 3124322028 | +1 312-432-2028 Illinois U.S.A.
  • 3124322029 | +1 312-432-2029 Illinois U.S.A.
  • 3124322030 | +1 312-432-2030 Illinois U.S.A.
  • 3124322031 | +1 312-432-2031 Illinois U.S.A.
  • 3124322032 | +1 312-432-2032 Illinois U.S.A.
  • 3124322033 | +1 312-432-2033 Illinois U.S.A.
  • 3124322034 | +1 312-432-2034 Illinois U.S.A.
  • 3124322035 | +1 312-432-2035 Illinois U.S.A.
  • 3124322036 | +1 312-432-2036 Illinois U.S.A.
  • 3124322037 | +1 312-432-2037 Illinois U.S.A.
  • 3124322038 | +1 312-432-2038 Illinois U.S.A.
  • 3124322039 | +1 312-432-2039 Illinois U.S.A.
  • 3124322040 | +1 312-432-2040 Illinois U.S.A.
  • 3124322041 | +1 312-432-2041 Illinois U.S.A.
  • 3124322042 | +1 312-432-2042 Illinois U.S.A.
  • 3124322043 | +1 312-432-2043 Illinois U.S.A.
  • 3124322044 | +1 312-432-2044 Illinois U.S.A.
  • 3124322045 | +1 312-432-2045 Illinois U.S.A.
  • 3124322046 | +1 312-432-2046 Illinois U.S.A.
  • 3124322047 | +1 312-432-2047 Illinois U.S.A.
  • 3124322048 | +1 312-432-2048 Illinois U.S.A.
  • 3124322049 | +1 312-432-2049 Illinois U.S.A.
  • 3124322050 | +1 312-432-2050 Illinois U.S.A.
  • 3124322051 | +1 312-432-2051 Illinois U.S.A.
  • 3124322052 | +1 312-432-2052 Illinois U.S.A.
  • 3124322053 | +1 312-432-2053 Illinois U.S.A.
  • 3124322054 | +1 312-432-2054 Illinois U.S.A.
  • 3124322055 | +1 312-432-2055 Illinois U.S.A.
  • 3124322056 | +1 312-432-2056 Illinois U.S.A.
  • 3124322057 | +1 312-432-2057 Illinois U.S.A.
  • 3124322058 | +1 312-432-2058 Illinois U.S.A.
  • 3124322059 | +1 312-432-2059 Illinois U.S.A.
  • 3124322060 | +1 312-432-2060 Illinois U.S.A.
  • 3124322061 | +1 312-432-2061 Illinois U.S.A.
  • 3124322062 | +1 312-432-2062 Illinois U.S.A.
  • 3124322063 | +1 312-432-2063 Illinois U.S.A.
  • 3124322064 | +1 312-432-2064 Illinois U.S.A.
  • 3124322065 | +1 312-432-2065 Illinois U.S.A.
  • 3124322066 | +1 312-432-2066 Illinois U.S.A.
  • 3124322067 | +1 312-432-2067 Illinois U.S.A.
  • 3124322068 | +1 312-432-2068 Illinois U.S.A.
  • 3124322069 | +1 312-432-2069 Illinois U.S.A.
  • 3124322070 | +1 312-432-2070 Illinois U.S.A.
  • 3124322071 | +1 312-432-2071 Illinois U.S.A.
  • 3124322072 | +1 312-432-2072 Illinois U.S.A.
  • 3124322073 | +1 312-432-2073 Illinois U.S.A.
  • 3124322074 | +1 312-432-2074 Illinois U.S.A.
  • 3124322075 | +1 312-432-2075 Illinois U.S.A.
  • 3124322076 | +1 312-432-2076 Illinois U.S.A.
  • 3124322077 | +1 312-432-2077 Illinois U.S.A.
  • 3124322078 | +1 312-432-2078 Illinois U.S.A.
  • 3124322079 | +1 312-432-2079 Illinois U.S.A.
  • 3124322080 | +1 312-432-2080 Illinois U.S.A.
  • 3124322081 | +1 312-432-2081 Illinois U.S.A.
  • 3124322082 | +1 312-432-2082 Illinois U.S.A.
  • 3124322083 | +1 312-432-2083 Illinois U.S.A.
  • 3124322084 | +1 312-432-2084 Illinois U.S.A.
  • 3124322085 | +1 312-432-2085 Illinois U.S.A.
  • 3124322086 | +1 312-432-2086 Illinois U.S.A.
  • 3124322087 | +1 312-432-2087 Illinois U.S.A.
  • 3124322088 | +1 312-432-2088 Illinois U.S.A.
  • 3124322089 | +1 312-432-2089 Illinois U.S.A.
  • 3124322090 | +1 312-432-2090 Illinois U.S.A.
  • 3124322091 | +1 312-432-2091 Illinois U.S.A.
  • 3124322092 | +1 312-432-2092 Illinois U.S.A.
  • 3124322093 | +1 312-432-2093 Illinois U.S.A.
  • 3124322094 | +1 312-432-2094 Illinois U.S.A.
  • 3124322095 | +1 312-432-2095 Illinois U.S.A.
  • 3124322096 | +1 312-432-2096 Illinois U.S.A.
  • 3124322097 | +1 312-432-2097 Illinois U.S.A.
  • 3124322098 | +1 312-432-2098 Illinois U.S.A.
  • 3124322099 | +1 312-432-2099 Illinois U.S.A.