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).

  • 3124312000 | +1 312-431-2000 Illinois U.S.A.
  • 3124312001 | +1 312-431-2001 Illinois U.S.A.
  • 3124312002 | +1 312-431-2002 Illinois U.S.A.
  • 3124312003 | +1 312-431-2003 Illinois U.S.A.
  • 3124312004 | +1 312-431-2004 Illinois U.S.A.
  • 3124312005 | +1 312-431-2005 Illinois U.S.A.
  • 3124312006 | +1 312-431-2006 Illinois U.S.A.
  • 3124312007 | +1 312-431-2007 Illinois U.S.A.
  • 3124312008 | +1 312-431-2008 Illinois U.S.A.
  • 3124312009 | +1 312-431-2009 Illinois U.S.A.
  • 3124312010 | +1 312-431-2010 Illinois U.S.A.
  • 3124312011 | +1 312-431-2011 Illinois U.S.A.
  • 3124312012 | +1 312-431-2012 Illinois U.S.A.
  • 3124312013 | +1 312-431-2013 Illinois U.S.A.
  • 3124312014 | +1 312-431-2014 Illinois U.S.A.
  • 3124312015 | +1 312-431-2015 Illinois U.S.A.
  • 3124312016 | +1 312-431-2016 Illinois U.S.A.
  • 3124312017 | +1 312-431-2017 Illinois U.S.A.
  • 3124312018 | +1 312-431-2018 Illinois U.S.A.
  • 3124312019 | +1 312-431-2019 Illinois U.S.A.
  • 3124312020 | +1 312-431-2020 Illinois U.S.A.
  • 3124312021 | +1 312-431-2021 Illinois U.S.A.
  • 3124312022 | +1 312-431-2022 Illinois U.S.A.
  • 3124312023 | +1 312-431-2023 Illinois U.S.A.
  • 3124312024 | +1 312-431-2024 Illinois U.S.A.
  • 3124312025 | +1 312-431-2025 Illinois U.S.A.
  • 3124312026 | +1 312-431-2026 Illinois U.S.A.
  • 3124312027 | +1 312-431-2027 Illinois U.S.A.
  • 3124312028 | +1 312-431-2028 Illinois U.S.A.
  • 3124312029 | +1 312-431-2029 Illinois U.S.A.
  • 3124312030 | +1 312-431-2030 Illinois U.S.A.
  • 3124312031 | +1 312-431-2031 Illinois U.S.A.
  • 3124312032 | +1 312-431-2032 Illinois U.S.A.
  • 3124312033 | +1 312-431-2033 Illinois U.S.A.
  • 3124312034 | +1 312-431-2034 Illinois U.S.A.
  • 3124312035 | +1 312-431-2035 Illinois U.S.A.
  • 3124312036 | +1 312-431-2036 Illinois U.S.A.
  • 3124312037 | +1 312-431-2037 Illinois U.S.A.
  • 3124312038 | +1 312-431-2038 Illinois U.S.A.
  • 3124312039 | +1 312-431-2039 Illinois U.S.A.
  • 3124312040 | +1 312-431-2040 Illinois U.S.A.
  • 3124312041 | +1 312-431-2041 Illinois U.S.A.
  • 3124312042 | +1 312-431-2042 Illinois U.S.A.
  • 3124312043 | +1 312-431-2043 Illinois U.S.A.
  • 3124312044 | +1 312-431-2044 Illinois U.S.A.
  • 3124312045 | +1 312-431-2045 Illinois U.S.A.
  • 3124312046 | +1 312-431-2046 Illinois U.S.A.
  • 3124312047 | +1 312-431-2047 Illinois U.S.A.
  • 3124312048 | +1 312-431-2048 Illinois U.S.A.
  • 3124312049 | +1 312-431-2049 Illinois U.S.A.
  • 3124312050 | +1 312-431-2050 Illinois U.S.A.
  • 3124312051 | +1 312-431-2051 Illinois U.S.A.
  • 3124312052 | +1 312-431-2052 Illinois U.S.A.
  • 3124312053 | +1 312-431-2053 Illinois U.S.A.
  • 3124312054 | +1 312-431-2054 Illinois U.S.A.
  • 3124312055 | +1 312-431-2055 Illinois U.S.A.
  • 3124312056 | +1 312-431-2056 Illinois U.S.A.
  • 3124312057 | +1 312-431-2057 Illinois U.S.A.
  • 3124312058 | +1 312-431-2058 Illinois U.S.A.
  • 3124312059 | +1 312-431-2059 Illinois U.S.A.
  • 3124312060 | +1 312-431-2060 Illinois U.S.A.
  • 3124312061 | +1 312-431-2061 Illinois U.S.A.
  • 3124312062 | +1 312-431-2062 Illinois U.S.A.
  • 3124312063 | +1 312-431-2063 Illinois U.S.A.
  • 3124312064 | +1 312-431-2064 Illinois U.S.A.
  • 3124312065 | +1 312-431-2065 Illinois U.S.A.
  • 3124312066 | +1 312-431-2066 Illinois U.S.A.
  • 3124312067 | +1 312-431-2067 Illinois U.S.A.
  • 3124312068 | +1 312-431-2068 Illinois U.S.A.
  • 3124312069 | +1 312-431-2069 Illinois U.S.A.
  • 3124312070 | +1 312-431-2070 Illinois U.S.A.
  • 3124312071 | +1 312-431-2071 Illinois U.S.A.
  • 3124312072 | +1 312-431-2072 Illinois U.S.A.
  • 3124312073 | +1 312-431-2073 Illinois U.S.A.
  • 3124312074 | +1 312-431-2074 Illinois U.S.A.
  • 3124312075 | +1 312-431-2075 Illinois U.S.A.
  • 3124312076 | +1 312-431-2076 Illinois U.S.A.
  • 3124312077 | +1 312-431-2077 Illinois U.S.A.
  • 3124312078 | +1 312-431-2078 Illinois U.S.A.
  • 3124312079 | +1 312-431-2079 Illinois U.S.A.
  • 3124312080 | +1 312-431-2080 Illinois U.S.A.
  • 3124312081 | +1 312-431-2081 Illinois U.S.A.
  • 3124312082 | +1 312-431-2082 Illinois U.S.A.
  • 3124312083 | +1 312-431-2083 Illinois U.S.A.
  • 3124312084 | +1 312-431-2084 Illinois U.S.A.
  • 3124312085 | +1 312-431-2085 Illinois U.S.A.
  • 3124312086 | +1 312-431-2086 Illinois U.S.A.
  • 3124312087 | +1 312-431-2087 Illinois U.S.A.
  • 3124312088 | +1 312-431-2088 Illinois U.S.A.
  • 3124312089 | +1 312-431-2089 Illinois U.S.A.
  • 3124312090 | +1 312-431-2090 Illinois U.S.A.
  • 3124312091 | +1 312-431-2091 Illinois U.S.A.
  • 3124312092 | +1 312-431-2092 Illinois U.S.A.
  • 3124312093 | +1 312-431-2093 Illinois U.S.A.
  • 3124312094 | +1 312-431-2094 Illinois U.S.A.
  • 3124312095 | +1 312-431-2095 Illinois U.S.A.
  • 3124312096 | +1 312-431-2096 Illinois U.S.A.
  • 3124312097 | +1 312-431-2097 Illinois U.S.A.
  • 3124312098 | +1 312-431-2098 Illinois U.S.A.
  • 3124312099 | +1 312-431-2099 Illinois U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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