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).

  • 3128392000 | +1 312-839-2000 Illinois U.S.A.
  • 3128392001 | +1 312-839-2001 Illinois U.S.A.
  • 3128392002 | +1 312-839-2002 Illinois U.S.A.
  • 3128392003 | +1 312-839-2003 Illinois U.S.A.
  • 3128392004 | +1 312-839-2004 Illinois U.S.A.
  • 3128392005 | +1 312-839-2005 Illinois U.S.A.
  • 3128392006 | +1 312-839-2006 Illinois U.S.A.
  • 3128392007 | +1 312-839-2007 Illinois U.S.A.
  • 3128392008 | +1 312-839-2008 Illinois U.S.A.
  • 3128392009 | +1 312-839-2009 Illinois U.S.A.
  • 3128392010 | +1 312-839-2010 Illinois U.S.A.
  • 3128392011 | +1 312-839-2011 Illinois U.S.A.
  • 3128392012 | +1 312-839-2012 Illinois U.S.A.
  • 3128392013 | +1 312-839-2013 Illinois U.S.A.
  • 3128392014 | +1 312-839-2014 Illinois U.S.A.
  • 3128392015 | +1 312-839-2015 Illinois U.S.A.
  • 3128392016 | +1 312-839-2016 Illinois U.S.A.
  • 3128392017 | +1 312-839-2017 Illinois U.S.A.
  • 3128392018 | +1 312-839-2018 Illinois U.S.A.
  • 3128392019 | +1 312-839-2019 Illinois U.S.A.
  • 3128392020 | +1 312-839-2020 Illinois U.S.A.
  • 3128392021 | +1 312-839-2021 Illinois U.S.A.
  • 3128392022 | +1 312-839-2022 Illinois U.S.A.
  • 3128392023 | +1 312-839-2023 Illinois U.S.A.
  • 3128392024 | +1 312-839-2024 Illinois U.S.A.
  • 3128392025 | +1 312-839-2025 Illinois U.S.A.
  • 3128392026 | +1 312-839-2026 Illinois U.S.A.
  • 3128392027 | +1 312-839-2027 Illinois U.S.A.
  • 3128392028 | +1 312-839-2028 Illinois U.S.A.
  • 3128392029 | +1 312-839-2029 Illinois U.S.A.
  • 3128392030 | +1 312-839-2030 Illinois U.S.A.
  • 3128392031 | +1 312-839-2031 Illinois U.S.A.
  • 3128392032 | +1 312-839-2032 Illinois U.S.A.
  • 3128392033 | +1 312-839-2033 Illinois U.S.A.
  • 3128392034 | +1 312-839-2034 Illinois U.S.A.
  • 3128392035 | +1 312-839-2035 Illinois U.S.A.
  • 3128392036 | +1 312-839-2036 Illinois U.S.A.
  • 3128392037 | +1 312-839-2037 Illinois U.S.A.
  • 3128392038 | +1 312-839-2038 Illinois U.S.A.
  • 3128392039 | +1 312-839-2039 Illinois U.S.A.
  • 3128392040 | +1 312-839-2040 Illinois U.S.A.
  • 3128392041 | +1 312-839-2041 Illinois U.S.A.
  • 3128392042 | +1 312-839-2042 Illinois U.S.A.
  • 3128392043 | +1 312-839-2043 Illinois U.S.A.
  • 3128392044 | +1 312-839-2044 Illinois U.S.A.
  • 3128392045 | +1 312-839-2045 Illinois U.S.A.
  • 3128392046 | +1 312-839-2046 Illinois U.S.A.
  • 3128392047 | +1 312-839-2047 Illinois U.S.A.
  • 3128392048 | +1 312-839-2048 Illinois U.S.A.
  • 3128392049 | +1 312-839-2049 Illinois U.S.A.
  • 3128392050 | +1 312-839-2050 Illinois U.S.A.
  • 3128392051 | +1 312-839-2051 Illinois U.S.A.
  • 3128392052 | +1 312-839-2052 Illinois U.S.A.
  • 3128392053 | +1 312-839-2053 Illinois U.S.A.
  • 3128392054 | +1 312-839-2054 Illinois U.S.A.
  • 3128392055 | +1 312-839-2055 Illinois U.S.A.
  • 3128392056 | +1 312-839-2056 Illinois U.S.A.
  • 3128392057 | +1 312-839-2057 Illinois U.S.A.
  • 3128392058 | +1 312-839-2058 Illinois U.S.A.
  • 3128392059 | +1 312-839-2059 Illinois U.S.A.
  • 3128392060 | +1 312-839-2060 Illinois U.S.A.
  • 3128392061 | +1 312-839-2061 Illinois U.S.A.
  • 3128392062 | +1 312-839-2062 Illinois U.S.A.
  • 3128392063 | +1 312-839-2063 Illinois U.S.A.
  • 3128392064 | +1 312-839-2064 Illinois U.S.A.
  • 3128392065 | +1 312-839-2065 Illinois U.S.A.
  • 3128392066 | +1 312-839-2066 Illinois U.S.A.
  • 3128392067 | +1 312-839-2067 Illinois U.S.A.
  • 3128392068 | +1 312-839-2068 Illinois U.S.A.
  • 3128392069 | +1 312-839-2069 Illinois U.S.A.
  • 3128392070 | +1 312-839-2070 Illinois U.S.A.
  • 3128392071 | +1 312-839-2071 Illinois U.S.A.
  • 3128392072 | +1 312-839-2072 Illinois U.S.A.
  • 3128392073 | +1 312-839-2073 Illinois U.S.A.
  • 3128392074 | +1 312-839-2074 Illinois U.S.A.
  • 3128392075 | +1 312-839-2075 Illinois U.S.A.
  • 3128392076 | +1 312-839-2076 Illinois U.S.A.
  • 3128392077 | +1 312-839-2077 Illinois U.S.A.
  • 3128392078 | +1 312-839-2078 Illinois U.S.A.
  • 3128392079 | +1 312-839-2079 Illinois U.S.A.
  • 3128392080 | +1 312-839-2080 Illinois U.S.A.
  • 3128392081 | +1 312-839-2081 Illinois U.S.A.
  • 3128392082 | +1 312-839-2082 Illinois U.S.A.
  • 3128392083 | +1 312-839-2083 Illinois U.S.A.
  • 3128392084 | +1 312-839-2084 Illinois U.S.A.
  • 3128392085 | +1 312-839-2085 Illinois U.S.A.
  • 3128392086 | +1 312-839-2086 Illinois U.S.A.
  • 3128392087 | +1 312-839-2087 Illinois U.S.A.
  • 3128392088 | +1 312-839-2088 Illinois U.S.A.
  • 3128392089 | +1 312-839-2089 Illinois U.S.A.
  • 3128392090 | +1 312-839-2090 Illinois U.S.A.
  • 3128392091 | +1 312-839-2091 Illinois U.S.A.
  • 3128392092 | +1 312-839-2092 Illinois U.S.A.
  • 3128392093 | +1 312-839-2093 Illinois U.S.A.
  • 3128392094 | +1 312-839-2094 Illinois U.S.A.
  • 3128392095 | +1 312-839-2095 Illinois U.S.A.
  • 3128392096 | +1 312-839-2096 Illinois U.S.A.
  • 3128392097 | +1 312-839-2097 Illinois U.S.A.
  • 3128392098 | +1 312-839-2098 Illinois U.S.A.
  • 3128392099 | +1 312-839-2099 Illinois U.S.A.