CitysDirectory

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).

  • 3122402000 | +1 312-240-2000 Illinois U.S.A.
  • 3122402001 | +1 312-240-2001 Illinois U.S.A.
  • 3122402002 | +1 312-240-2002 Illinois U.S.A.
  • 3122402003 | +1 312-240-2003 Illinois U.S.A.
  • 3122402004 | +1 312-240-2004 Illinois U.S.A.
  • 3122402005 | +1 312-240-2005 Illinois U.S.A.
  • 3122402006 | +1 312-240-2006 Illinois U.S.A.
  • 3122402007 | +1 312-240-2007 Illinois U.S.A.
  • 3122402008 | +1 312-240-2008 Illinois U.S.A.
  • 3122402009 | +1 312-240-2009 Illinois U.S.A.
  • 3122402010 | +1 312-240-2010 Illinois U.S.A.
  • 3122402011 | +1 312-240-2011 Illinois U.S.A.
  • 3122402012 | +1 312-240-2012 Illinois U.S.A.
  • 3122402013 | +1 312-240-2013 Illinois U.S.A.
  • 3122402014 | +1 312-240-2014 Illinois U.S.A.
  • 3122402015 | +1 312-240-2015 Illinois U.S.A.
  • 3122402016 | +1 312-240-2016 Illinois U.S.A.
  • 3122402017 | +1 312-240-2017 Illinois U.S.A.
  • 3122402018 | +1 312-240-2018 Illinois U.S.A.
  • 3122402019 | +1 312-240-2019 Illinois U.S.A.
  • 3122402020 | +1 312-240-2020 Illinois U.S.A.
  • 3122402021 | +1 312-240-2021 Illinois U.S.A.
  • 3122402022 | +1 312-240-2022 Illinois U.S.A.
  • 3122402023 | +1 312-240-2023 Illinois U.S.A.
  • 3122402024 | +1 312-240-2024 Illinois U.S.A.
  • 3122402025 | +1 312-240-2025 Illinois U.S.A.
  • 3122402026 | +1 312-240-2026 Illinois U.S.A.
  • 3122402027 | +1 312-240-2027 Illinois U.S.A.
  • 3122402028 | +1 312-240-2028 Illinois U.S.A.
  • 3122402029 | +1 312-240-2029 Illinois U.S.A.
  • 3122402030 | +1 312-240-2030 Illinois U.S.A.
  • 3122402031 | +1 312-240-2031 Illinois U.S.A.
  • 3122402032 | +1 312-240-2032 Illinois U.S.A.
  • 3122402033 | +1 312-240-2033 Illinois U.S.A.
  • 3122402034 | +1 312-240-2034 Illinois U.S.A.
  • 3122402035 | +1 312-240-2035 Illinois U.S.A.
  • 3122402036 | +1 312-240-2036 Illinois U.S.A.
  • 3122402037 | +1 312-240-2037 Illinois U.S.A.
  • 3122402038 | +1 312-240-2038 Illinois U.S.A.
  • 3122402039 | +1 312-240-2039 Illinois U.S.A.
  • 3122402040 | +1 312-240-2040 Illinois U.S.A.
  • 3122402041 | +1 312-240-2041 Illinois U.S.A.
  • 3122402042 | +1 312-240-2042 Illinois U.S.A.
  • 3122402043 | +1 312-240-2043 Illinois U.S.A.
  • 3122402044 | +1 312-240-2044 Illinois U.S.A.
  • 3122402045 | +1 312-240-2045 Illinois U.S.A.
  • 3122402046 | +1 312-240-2046 Illinois U.S.A.
  • 3122402047 | +1 312-240-2047 Illinois U.S.A.
  • 3122402048 | +1 312-240-2048 Illinois U.S.A.
  • 3122402049 | +1 312-240-2049 Illinois U.S.A.
  • 3122402050 | +1 312-240-2050 Illinois U.S.A.
  • 3122402051 | +1 312-240-2051 Illinois U.S.A.
  • 3122402052 | +1 312-240-2052 Illinois U.S.A.
  • 3122402053 | +1 312-240-2053 Illinois U.S.A.
  • 3122402054 | +1 312-240-2054 Illinois U.S.A.
  • 3122402055 | +1 312-240-2055 Illinois U.S.A.
  • 3122402056 | +1 312-240-2056 Illinois U.S.A.
  • 3122402057 | +1 312-240-2057 Illinois U.S.A.
  • 3122402058 | +1 312-240-2058 Illinois U.S.A.
  • 3122402059 | +1 312-240-2059 Illinois U.S.A.
  • 3122402060 | +1 312-240-2060 Illinois U.S.A.
  • 3122402061 | +1 312-240-2061 Illinois U.S.A.
  • 3122402062 | +1 312-240-2062 Illinois U.S.A.
  • 3122402063 | +1 312-240-2063 Illinois U.S.A.
  • 3122402064 | +1 312-240-2064 Illinois U.S.A.
  • 3122402065 | +1 312-240-2065 Illinois U.S.A.
  • 3122402066 | +1 312-240-2066 Illinois U.S.A.
  • 3122402067 | +1 312-240-2067 Illinois U.S.A.
  • 3122402068 | +1 312-240-2068 Illinois U.S.A.
  • 3122402069 | +1 312-240-2069 Illinois U.S.A.
  • 3122402070 | +1 312-240-2070 Illinois U.S.A.
  • 3122402071 | +1 312-240-2071 Illinois U.S.A.
  • 3122402072 | +1 312-240-2072 Illinois U.S.A.
  • 3122402073 | +1 312-240-2073 Illinois U.S.A.
  • 3122402074 | +1 312-240-2074 Illinois U.S.A.
  • 3122402075 | +1 312-240-2075 Illinois U.S.A.
  • 3122402076 | +1 312-240-2076 Illinois U.S.A.
  • 3122402077 | +1 312-240-2077 Illinois U.S.A.
  • 3122402078 | +1 312-240-2078 Illinois U.S.A.
  • 3122402079 | +1 312-240-2079 Illinois U.S.A.
  • 3122402080 | +1 312-240-2080 Illinois U.S.A.
  • 3122402081 | +1 312-240-2081 Illinois U.S.A.
  • 3122402082 | +1 312-240-2082 Illinois U.S.A.
  • 3122402083 | +1 312-240-2083 Illinois U.S.A.
  • 3122402084 | +1 312-240-2084 Illinois U.S.A.
  • 3122402085 | +1 312-240-2085 Illinois U.S.A.
  • 3122402086 | +1 312-240-2086 Illinois U.S.A.
  • 3122402087 | +1 312-240-2087 Illinois U.S.A.
  • 3122402088 | +1 312-240-2088 Illinois U.S.A.
  • 3122402089 | +1 312-240-2089 Illinois U.S.A.
  • 3122402090 | +1 312-240-2090 Illinois U.S.A.
  • 3122402091 | +1 312-240-2091 Illinois U.S.A.
  • 3122402092 | +1 312-240-2092 Illinois U.S.A.
  • 3122402093 | +1 312-240-2093 Illinois U.S.A.
  • 3122402094 | +1 312-240-2094 Illinois U.S.A.
  • 3122402095 | +1 312-240-2095 Illinois U.S.A.
  • 3122402096 | +1 312-240-2096 Illinois U.S.A.
  • 3122402097 | +1 312-240-2097 Illinois U.S.A.
  • 3122402098 | +1 312-240-2098 Illinois U.S.A.
  • 3122402099 | +1 312-240-2099 Illinois U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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