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).

  • 3125662000 | +1 312-566-2000 Illinois U.S.A.
  • 3125662001 | +1 312-566-2001 Illinois U.S.A.
  • 3125662002 | +1 312-566-2002 Illinois U.S.A.
  • 3125662003 | +1 312-566-2003 Illinois U.S.A.
  • 3125662004 | +1 312-566-2004 Illinois U.S.A.
  • 3125662005 | +1 312-566-2005 Illinois U.S.A.
  • 3125662006 | +1 312-566-2006 Illinois U.S.A.
  • 3125662007 | +1 312-566-2007 Illinois U.S.A.
  • 3125662008 | +1 312-566-2008 Illinois U.S.A.
  • 3125662009 | +1 312-566-2009 Illinois U.S.A.
  • 3125662010 | +1 312-566-2010 Illinois U.S.A.
  • 3125662011 | +1 312-566-2011 Illinois U.S.A.
  • 3125662012 | +1 312-566-2012 Illinois U.S.A.
  • 3125662013 | +1 312-566-2013 Illinois U.S.A.
  • 3125662014 | +1 312-566-2014 Illinois U.S.A.
  • 3125662015 | +1 312-566-2015 Illinois U.S.A.
  • 3125662016 | +1 312-566-2016 Illinois U.S.A.
  • 3125662017 | +1 312-566-2017 Illinois U.S.A.
  • 3125662018 | +1 312-566-2018 Illinois U.S.A.
  • 3125662019 | +1 312-566-2019 Illinois U.S.A.
  • 3125662020 | +1 312-566-2020 Illinois U.S.A.
  • 3125662021 | +1 312-566-2021 Illinois U.S.A.
  • 3125662022 | +1 312-566-2022 Illinois U.S.A.
  • 3125662023 | +1 312-566-2023 Illinois U.S.A.
  • 3125662024 | +1 312-566-2024 Illinois U.S.A.
  • 3125662025 | +1 312-566-2025 Illinois U.S.A.
  • 3125662026 | +1 312-566-2026 Illinois U.S.A.
  • 3125662027 | +1 312-566-2027 Illinois U.S.A.
  • 3125662028 | +1 312-566-2028 Illinois U.S.A.
  • 3125662029 | +1 312-566-2029 Illinois U.S.A.
  • 3125662030 | +1 312-566-2030 Illinois U.S.A.
  • 3125662031 | +1 312-566-2031 Illinois U.S.A.
  • 3125662032 | +1 312-566-2032 Illinois U.S.A.
  • 3125662033 | +1 312-566-2033 Illinois U.S.A.
  • 3125662034 | +1 312-566-2034 Illinois U.S.A.
  • 3125662035 | +1 312-566-2035 Illinois U.S.A.
  • 3125662036 | +1 312-566-2036 Illinois U.S.A.
  • 3125662037 | +1 312-566-2037 Illinois U.S.A.
  • 3125662038 | +1 312-566-2038 Illinois U.S.A.
  • 3125662039 | +1 312-566-2039 Illinois U.S.A.
  • 3125662040 | +1 312-566-2040 Illinois U.S.A.
  • 3125662041 | +1 312-566-2041 Illinois U.S.A.
  • 3125662042 | +1 312-566-2042 Illinois U.S.A.
  • 3125662043 | +1 312-566-2043 Illinois U.S.A.
  • 3125662044 | +1 312-566-2044 Illinois U.S.A.
  • 3125662045 | +1 312-566-2045 Illinois U.S.A.
  • 3125662046 | +1 312-566-2046 Illinois U.S.A.
  • 3125662047 | +1 312-566-2047 Illinois U.S.A.
  • 3125662048 | +1 312-566-2048 Illinois U.S.A.
  • 3125662049 | +1 312-566-2049 Illinois U.S.A.
  • 3125662050 | +1 312-566-2050 Illinois U.S.A.
  • 3125662051 | +1 312-566-2051 Illinois U.S.A.
  • 3125662052 | +1 312-566-2052 Illinois U.S.A.
  • 3125662053 | +1 312-566-2053 Illinois U.S.A.
  • 3125662054 | +1 312-566-2054 Illinois U.S.A.
  • 3125662055 | +1 312-566-2055 Illinois U.S.A.
  • 3125662056 | +1 312-566-2056 Illinois U.S.A.
  • 3125662057 | +1 312-566-2057 Illinois U.S.A.
  • 3125662058 | +1 312-566-2058 Illinois U.S.A.
  • 3125662059 | +1 312-566-2059 Illinois U.S.A.
  • 3125662060 | +1 312-566-2060 Illinois U.S.A.
  • 3125662061 | +1 312-566-2061 Illinois U.S.A.
  • 3125662062 | +1 312-566-2062 Illinois U.S.A.
  • 3125662063 | +1 312-566-2063 Illinois U.S.A.
  • 3125662064 | +1 312-566-2064 Illinois U.S.A.
  • 3125662065 | +1 312-566-2065 Illinois U.S.A.
  • 3125662066 | +1 312-566-2066 Illinois U.S.A.
  • 3125662067 | +1 312-566-2067 Illinois U.S.A.
  • 3125662068 | +1 312-566-2068 Illinois U.S.A.
  • 3125662069 | +1 312-566-2069 Illinois U.S.A.
  • 3125662070 | +1 312-566-2070 Illinois U.S.A.
  • 3125662071 | +1 312-566-2071 Illinois U.S.A.
  • 3125662072 | +1 312-566-2072 Illinois U.S.A.
  • 3125662073 | +1 312-566-2073 Illinois U.S.A.
  • 3125662074 | +1 312-566-2074 Illinois U.S.A.
  • 3125662075 | +1 312-566-2075 Illinois U.S.A.
  • 3125662076 | +1 312-566-2076 Illinois U.S.A.
  • 3125662077 | +1 312-566-2077 Illinois U.S.A.
  • 3125662078 | +1 312-566-2078 Illinois U.S.A.
  • 3125662079 | +1 312-566-2079 Illinois U.S.A.
  • 3125662080 | +1 312-566-2080 Illinois U.S.A.
  • 3125662081 | +1 312-566-2081 Illinois U.S.A.
  • 3125662082 | +1 312-566-2082 Illinois U.S.A.
  • 3125662083 | +1 312-566-2083 Illinois U.S.A.
  • 3125662084 | +1 312-566-2084 Illinois U.S.A.
  • 3125662085 | +1 312-566-2085 Illinois U.S.A.
  • 3125662086 | +1 312-566-2086 Illinois U.S.A.
  • 3125662087 | +1 312-566-2087 Illinois U.S.A.
  • 3125662088 | +1 312-566-2088 Illinois U.S.A.
  • 3125662089 | +1 312-566-2089 Illinois U.S.A.
  • 3125662090 | +1 312-566-2090 Illinois U.S.A.
  • 3125662091 | +1 312-566-2091 Illinois U.S.A.
  • 3125662092 | +1 312-566-2092 Illinois U.S.A.
  • 3125662093 | +1 312-566-2093 Illinois U.S.A.
  • 3125662094 | +1 312-566-2094 Illinois U.S.A.
  • 3125662095 | +1 312-566-2095 Illinois U.S.A.
  • 3125662096 | +1 312-566-2096 Illinois U.S.A.
  • 3125662097 | +1 312-566-2097 Illinois U.S.A.
  • 3125662098 | +1 312-566-2098 Illinois U.S.A.
  • 3125662099 | +1 312-566-2099 Illinois U.S.A.