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).

  • 3127942000 | +1 312-794-2000 Illinois U.S.A.
  • 3127942001 | +1 312-794-2001 Illinois U.S.A.
  • 3127942002 | +1 312-794-2002 Illinois U.S.A.
  • 3127942003 | +1 312-794-2003 Illinois U.S.A.
  • 3127942004 | +1 312-794-2004 Illinois U.S.A.
  • 3127942005 | +1 312-794-2005 Illinois U.S.A.
  • 3127942006 | +1 312-794-2006 Illinois U.S.A.
  • 3127942007 | +1 312-794-2007 Illinois U.S.A.
  • 3127942008 | +1 312-794-2008 Illinois U.S.A.
  • 3127942009 | +1 312-794-2009 Illinois U.S.A.
  • 3127942010 | +1 312-794-2010 Illinois U.S.A.
  • 3127942011 | +1 312-794-2011 Illinois U.S.A.
  • 3127942012 | +1 312-794-2012 Illinois U.S.A.
  • 3127942013 | +1 312-794-2013 Illinois U.S.A.
  • 3127942014 | +1 312-794-2014 Illinois U.S.A.
  • 3127942015 | +1 312-794-2015 Illinois U.S.A.
  • 3127942016 | +1 312-794-2016 Illinois U.S.A.
  • 3127942017 | +1 312-794-2017 Illinois U.S.A.
  • 3127942018 | +1 312-794-2018 Illinois U.S.A.
  • 3127942019 | +1 312-794-2019 Illinois U.S.A.
  • 3127942020 | +1 312-794-2020 Illinois U.S.A.
  • 3127942021 | +1 312-794-2021 Illinois U.S.A.
  • 3127942022 | +1 312-794-2022 Illinois U.S.A.
  • 3127942023 | +1 312-794-2023 Illinois U.S.A.
  • 3127942024 | +1 312-794-2024 Illinois U.S.A.
  • 3127942025 | +1 312-794-2025 Illinois U.S.A.
  • 3127942026 | +1 312-794-2026 Illinois U.S.A.
  • 3127942027 | +1 312-794-2027 Illinois U.S.A.
  • 3127942028 | +1 312-794-2028 Illinois U.S.A.
  • 3127942029 | +1 312-794-2029 Illinois U.S.A.
  • 3127942030 | +1 312-794-2030 Illinois U.S.A.
  • 3127942031 | +1 312-794-2031 Illinois U.S.A.
  • 3127942032 | +1 312-794-2032 Illinois U.S.A.
  • 3127942033 | +1 312-794-2033 Illinois U.S.A.
  • 3127942034 | +1 312-794-2034 Illinois U.S.A.
  • 3127942035 | +1 312-794-2035 Illinois U.S.A.
  • 3127942036 | +1 312-794-2036 Illinois U.S.A.
  • 3127942037 | +1 312-794-2037 Illinois U.S.A.
  • 3127942038 | +1 312-794-2038 Illinois U.S.A.
  • 3127942039 | +1 312-794-2039 Illinois U.S.A.
  • 3127942040 | +1 312-794-2040 Illinois U.S.A.
  • 3127942041 | +1 312-794-2041 Illinois U.S.A.
  • 3127942042 | +1 312-794-2042 Illinois U.S.A.
  • 3127942043 | +1 312-794-2043 Illinois U.S.A.
  • 3127942044 | +1 312-794-2044 Illinois U.S.A.
  • 3127942045 | +1 312-794-2045 Illinois U.S.A.
  • 3127942046 | +1 312-794-2046 Illinois U.S.A.
  • 3127942047 | +1 312-794-2047 Illinois U.S.A.
  • 3127942048 | +1 312-794-2048 Illinois U.S.A.
  • 3127942049 | +1 312-794-2049 Illinois U.S.A.
  • 3127942050 | +1 312-794-2050 Illinois U.S.A.
  • 3127942051 | +1 312-794-2051 Illinois U.S.A.
  • 3127942052 | +1 312-794-2052 Illinois U.S.A.
  • 3127942053 | +1 312-794-2053 Illinois U.S.A.
  • 3127942054 | +1 312-794-2054 Illinois U.S.A.
  • 3127942055 | +1 312-794-2055 Illinois U.S.A.
  • 3127942056 | +1 312-794-2056 Illinois U.S.A.
  • 3127942057 | +1 312-794-2057 Illinois U.S.A.
  • 3127942058 | +1 312-794-2058 Illinois U.S.A.
  • 3127942059 | +1 312-794-2059 Illinois U.S.A.
  • 3127942060 | +1 312-794-2060 Illinois U.S.A.
  • 3127942061 | +1 312-794-2061 Illinois U.S.A.
  • 3127942062 | +1 312-794-2062 Illinois U.S.A.
  • 3127942063 | +1 312-794-2063 Illinois U.S.A.
  • 3127942064 | +1 312-794-2064 Illinois U.S.A.
  • 3127942065 | +1 312-794-2065 Illinois U.S.A.
  • 3127942066 | +1 312-794-2066 Illinois U.S.A.
  • 3127942067 | +1 312-794-2067 Illinois U.S.A.
  • 3127942068 | +1 312-794-2068 Illinois U.S.A.
  • 3127942069 | +1 312-794-2069 Illinois U.S.A.
  • 3127942070 | +1 312-794-2070 Illinois U.S.A.
  • 3127942071 | +1 312-794-2071 Illinois U.S.A.
  • 3127942072 | +1 312-794-2072 Illinois U.S.A.
  • 3127942073 | +1 312-794-2073 Illinois U.S.A.
  • 3127942074 | +1 312-794-2074 Illinois U.S.A.
  • 3127942075 | +1 312-794-2075 Illinois U.S.A.
  • 3127942076 | +1 312-794-2076 Illinois U.S.A.
  • 3127942077 | +1 312-794-2077 Illinois U.S.A.
  • 3127942078 | +1 312-794-2078 Illinois U.S.A.
  • 3127942079 | +1 312-794-2079 Illinois U.S.A.
  • 3127942080 | +1 312-794-2080 Illinois U.S.A.
  • 3127942081 | +1 312-794-2081 Illinois U.S.A.
  • 3127942082 | +1 312-794-2082 Illinois U.S.A.
  • 3127942083 | +1 312-794-2083 Illinois U.S.A.
  • 3127942084 | +1 312-794-2084 Illinois U.S.A.
  • 3127942085 | +1 312-794-2085 Illinois U.S.A.
  • 3127942086 | +1 312-794-2086 Illinois U.S.A.
  • 3127942087 | +1 312-794-2087 Illinois U.S.A.
  • 3127942088 | +1 312-794-2088 Illinois U.S.A.
  • 3127942089 | +1 312-794-2089 Illinois U.S.A.
  • 3127942090 | +1 312-794-2090 Illinois U.S.A.
  • 3127942091 | +1 312-794-2091 Illinois U.S.A.
  • 3127942092 | +1 312-794-2092 Illinois U.S.A.
  • 3127942093 | +1 312-794-2093 Illinois U.S.A.
  • 3127942094 | +1 312-794-2094 Illinois U.S.A.
  • 3127942095 | +1 312-794-2095 Illinois U.S.A.
  • 3127942096 | +1 312-794-2096 Illinois U.S.A.
  • 3127942097 | +1 312-794-2097 Illinois U.S.A.
  • 3127942098 | +1 312-794-2098 Illinois U.S.A.
  • 3127942099 | +1 312-794-2099 Illinois U.S.A.