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).

  • 3125512000 | +1 312-551-2000 Illinois U.S.A.
  • 3125512001 | +1 312-551-2001 Illinois U.S.A.
  • 3125512002 | +1 312-551-2002 Illinois U.S.A.
  • 3125512003 | +1 312-551-2003 Illinois U.S.A.
  • 3125512004 | +1 312-551-2004 Illinois U.S.A.
  • 3125512005 | +1 312-551-2005 Illinois U.S.A.
  • 3125512006 | +1 312-551-2006 Illinois U.S.A.
  • 3125512007 | +1 312-551-2007 Illinois U.S.A.
  • 3125512008 | +1 312-551-2008 Illinois U.S.A.
  • 3125512009 | +1 312-551-2009 Illinois U.S.A.
  • 3125512010 | +1 312-551-2010 Illinois U.S.A.
  • 3125512011 | +1 312-551-2011 Illinois U.S.A.
  • 3125512012 | +1 312-551-2012 Illinois U.S.A.
  • 3125512013 | +1 312-551-2013 Illinois U.S.A.
  • 3125512014 | +1 312-551-2014 Illinois U.S.A.
  • 3125512015 | +1 312-551-2015 Illinois U.S.A.
  • 3125512016 | +1 312-551-2016 Illinois U.S.A.
  • 3125512017 | +1 312-551-2017 Illinois U.S.A.
  • 3125512018 | +1 312-551-2018 Illinois U.S.A.
  • 3125512019 | +1 312-551-2019 Illinois U.S.A.
  • 3125512020 | +1 312-551-2020 Illinois U.S.A.
  • 3125512021 | +1 312-551-2021 Illinois U.S.A.
  • 3125512022 | +1 312-551-2022 Illinois U.S.A.
  • 3125512023 | +1 312-551-2023 Illinois U.S.A.
  • 3125512024 | +1 312-551-2024 Illinois U.S.A.
  • 3125512025 | +1 312-551-2025 Illinois U.S.A.
  • 3125512026 | +1 312-551-2026 Illinois U.S.A.
  • 3125512027 | +1 312-551-2027 Illinois U.S.A.
  • 3125512028 | +1 312-551-2028 Illinois U.S.A.
  • 3125512029 | +1 312-551-2029 Illinois U.S.A.
  • 3125512030 | +1 312-551-2030 Illinois U.S.A.
  • 3125512031 | +1 312-551-2031 Illinois U.S.A.
  • 3125512032 | +1 312-551-2032 Illinois U.S.A.
  • 3125512033 | +1 312-551-2033 Illinois U.S.A.
  • 3125512034 | +1 312-551-2034 Illinois U.S.A.
  • 3125512035 | +1 312-551-2035 Illinois U.S.A.
  • 3125512036 | +1 312-551-2036 Illinois U.S.A.
  • 3125512037 | +1 312-551-2037 Illinois U.S.A.
  • 3125512038 | +1 312-551-2038 Illinois U.S.A.
  • 3125512039 | +1 312-551-2039 Illinois U.S.A.
  • 3125512040 | +1 312-551-2040 Illinois U.S.A.
  • 3125512041 | +1 312-551-2041 Illinois U.S.A.
  • 3125512042 | +1 312-551-2042 Illinois U.S.A.
  • 3125512043 | +1 312-551-2043 Illinois U.S.A.
  • 3125512044 | +1 312-551-2044 Illinois U.S.A.
  • 3125512045 | +1 312-551-2045 Illinois U.S.A.
  • 3125512046 | +1 312-551-2046 Illinois U.S.A.
  • 3125512047 | +1 312-551-2047 Illinois U.S.A.
  • 3125512048 | +1 312-551-2048 Illinois U.S.A.
  • 3125512049 | +1 312-551-2049 Illinois U.S.A.
  • 3125512050 | +1 312-551-2050 Illinois U.S.A.
  • 3125512051 | +1 312-551-2051 Illinois U.S.A.
  • 3125512052 | +1 312-551-2052 Illinois U.S.A.
  • 3125512053 | +1 312-551-2053 Illinois U.S.A.
  • 3125512054 | +1 312-551-2054 Illinois U.S.A.
  • 3125512055 | +1 312-551-2055 Illinois U.S.A.
  • 3125512056 | +1 312-551-2056 Illinois U.S.A.
  • 3125512057 | +1 312-551-2057 Illinois U.S.A.
  • 3125512058 | +1 312-551-2058 Illinois U.S.A.
  • 3125512059 | +1 312-551-2059 Illinois U.S.A.
  • 3125512060 | +1 312-551-2060 Illinois U.S.A.
  • 3125512061 | +1 312-551-2061 Illinois U.S.A.
  • 3125512062 | +1 312-551-2062 Illinois U.S.A.
  • 3125512063 | +1 312-551-2063 Illinois U.S.A.
  • 3125512064 | +1 312-551-2064 Illinois U.S.A.
  • 3125512065 | +1 312-551-2065 Illinois U.S.A.
  • 3125512066 | +1 312-551-2066 Illinois U.S.A.
  • 3125512067 | +1 312-551-2067 Illinois U.S.A.
  • 3125512068 | +1 312-551-2068 Illinois U.S.A.
  • 3125512069 | +1 312-551-2069 Illinois U.S.A.
  • 3125512070 | +1 312-551-2070 Illinois U.S.A.
  • 3125512071 | +1 312-551-2071 Illinois U.S.A.
  • 3125512072 | +1 312-551-2072 Illinois U.S.A.
  • 3125512073 | +1 312-551-2073 Illinois U.S.A.
  • 3125512074 | +1 312-551-2074 Illinois U.S.A.
  • 3125512075 | +1 312-551-2075 Illinois U.S.A.
  • 3125512076 | +1 312-551-2076 Illinois U.S.A.
  • 3125512077 | +1 312-551-2077 Illinois U.S.A.
  • 3125512078 | +1 312-551-2078 Illinois U.S.A.
  • 3125512079 | +1 312-551-2079 Illinois U.S.A.
  • 3125512080 | +1 312-551-2080 Illinois U.S.A.
  • 3125512081 | +1 312-551-2081 Illinois U.S.A.
  • 3125512082 | +1 312-551-2082 Illinois U.S.A.
  • 3125512083 | +1 312-551-2083 Illinois U.S.A.
  • 3125512084 | +1 312-551-2084 Illinois U.S.A.
  • 3125512085 | +1 312-551-2085 Illinois U.S.A.
  • 3125512086 | +1 312-551-2086 Illinois U.S.A.
  • 3125512087 | +1 312-551-2087 Illinois U.S.A.
  • 3125512088 | +1 312-551-2088 Illinois U.S.A.
  • 3125512089 | +1 312-551-2089 Illinois U.S.A.
  • 3125512090 | +1 312-551-2090 Illinois U.S.A.
  • 3125512091 | +1 312-551-2091 Illinois U.S.A.
  • 3125512092 | +1 312-551-2092 Illinois U.S.A.
  • 3125512093 | +1 312-551-2093 Illinois U.S.A.
  • 3125512094 | +1 312-551-2094 Illinois U.S.A.
  • 3125512095 | +1 312-551-2095 Illinois U.S.A.
  • 3125512096 | +1 312-551-2096 Illinois U.S.A.
  • 3125512097 | +1 312-551-2097 Illinois U.S.A.
  • 3125512098 | +1 312-551-2098 Illinois U.S.A.
  • 3125512099 | +1 312-551-2099 Illinois U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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