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).

  • 3129472000 | +1 312-947-2000 Illinois U.S.A.
  • 3129472001 | +1 312-947-2001 Illinois U.S.A.
  • 3129472002 | +1 312-947-2002 Illinois U.S.A.
  • 3129472003 | +1 312-947-2003 Illinois U.S.A.
  • 3129472004 | +1 312-947-2004 Illinois U.S.A.
  • 3129472005 | +1 312-947-2005 Illinois U.S.A.
  • 3129472006 | +1 312-947-2006 Illinois U.S.A.
  • 3129472007 | +1 312-947-2007 Illinois U.S.A.
  • 3129472008 | +1 312-947-2008 Illinois U.S.A.
  • 3129472009 | +1 312-947-2009 Illinois U.S.A.
  • 3129472010 | +1 312-947-2010 Illinois U.S.A.
  • 3129472011 | +1 312-947-2011 Illinois U.S.A.
  • 3129472012 | +1 312-947-2012 Illinois U.S.A.
  • 3129472013 | +1 312-947-2013 Illinois U.S.A.
  • 3129472014 | +1 312-947-2014 Illinois U.S.A.
  • 3129472015 | +1 312-947-2015 Illinois U.S.A.
  • 3129472016 | +1 312-947-2016 Illinois U.S.A.
  • 3129472017 | +1 312-947-2017 Illinois U.S.A.
  • 3129472018 | +1 312-947-2018 Illinois U.S.A.
  • 3129472019 | +1 312-947-2019 Illinois U.S.A.
  • 3129472020 | +1 312-947-2020 Illinois U.S.A.
  • 3129472021 | +1 312-947-2021 Illinois U.S.A.
  • 3129472022 | +1 312-947-2022 Illinois U.S.A.
  • 3129472023 | +1 312-947-2023 Illinois U.S.A.
  • 3129472024 | +1 312-947-2024 Illinois U.S.A.
  • 3129472025 | +1 312-947-2025 Illinois U.S.A.
  • 3129472026 | +1 312-947-2026 Illinois U.S.A.
  • 3129472027 | +1 312-947-2027 Illinois U.S.A.
  • 3129472028 | +1 312-947-2028 Illinois U.S.A.
  • 3129472029 | +1 312-947-2029 Illinois U.S.A.
  • 3129472030 | +1 312-947-2030 Illinois U.S.A.
  • 3129472031 | +1 312-947-2031 Illinois U.S.A.
  • 3129472032 | +1 312-947-2032 Illinois U.S.A.
  • 3129472033 | +1 312-947-2033 Illinois U.S.A.
  • 3129472034 | +1 312-947-2034 Illinois U.S.A.
  • 3129472035 | +1 312-947-2035 Illinois U.S.A.
  • 3129472036 | +1 312-947-2036 Illinois U.S.A.
  • 3129472037 | +1 312-947-2037 Illinois U.S.A.
  • 3129472038 | +1 312-947-2038 Illinois U.S.A.
  • 3129472039 | +1 312-947-2039 Illinois U.S.A.
  • 3129472040 | +1 312-947-2040 Illinois U.S.A.
  • 3129472041 | +1 312-947-2041 Illinois U.S.A.
  • 3129472042 | +1 312-947-2042 Illinois U.S.A.
  • 3129472043 | +1 312-947-2043 Illinois U.S.A.
  • 3129472044 | +1 312-947-2044 Illinois U.S.A.
  • 3129472045 | +1 312-947-2045 Illinois U.S.A.
  • 3129472046 | +1 312-947-2046 Illinois U.S.A.
  • 3129472047 | +1 312-947-2047 Illinois U.S.A.
  • 3129472048 | +1 312-947-2048 Illinois U.S.A.
  • 3129472049 | +1 312-947-2049 Illinois U.S.A.
  • 3129472050 | +1 312-947-2050 Illinois U.S.A.
  • 3129472051 | +1 312-947-2051 Illinois U.S.A.
  • 3129472052 | +1 312-947-2052 Illinois U.S.A.
  • 3129472053 | +1 312-947-2053 Illinois U.S.A.
  • 3129472054 | +1 312-947-2054 Illinois U.S.A.
  • 3129472055 | +1 312-947-2055 Illinois U.S.A.
  • 3129472056 | +1 312-947-2056 Illinois U.S.A.
  • 3129472057 | +1 312-947-2057 Illinois U.S.A.
  • 3129472058 | +1 312-947-2058 Illinois U.S.A.
  • 3129472059 | +1 312-947-2059 Illinois U.S.A.
  • 3129472060 | +1 312-947-2060 Illinois U.S.A.
  • 3129472061 | +1 312-947-2061 Illinois U.S.A.
  • 3129472062 | +1 312-947-2062 Illinois U.S.A.
  • 3129472063 | +1 312-947-2063 Illinois U.S.A.
  • 3129472064 | +1 312-947-2064 Illinois U.S.A.
  • 3129472065 | +1 312-947-2065 Illinois U.S.A.
  • 3129472066 | +1 312-947-2066 Illinois U.S.A.
  • 3129472067 | +1 312-947-2067 Illinois U.S.A.
  • 3129472068 | +1 312-947-2068 Illinois U.S.A.
  • 3129472069 | +1 312-947-2069 Illinois U.S.A.
  • 3129472070 | +1 312-947-2070 Illinois U.S.A.
  • 3129472071 | +1 312-947-2071 Illinois U.S.A.
  • 3129472072 | +1 312-947-2072 Illinois U.S.A.
  • 3129472073 | +1 312-947-2073 Illinois U.S.A.
  • 3129472074 | +1 312-947-2074 Illinois U.S.A.
  • 3129472075 | +1 312-947-2075 Illinois U.S.A.
  • 3129472076 | +1 312-947-2076 Illinois U.S.A.
  • 3129472077 | +1 312-947-2077 Illinois U.S.A.
  • 3129472078 | +1 312-947-2078 Illinois U.S.A.
  • 3129472079 | +1 312-947-2079 Illinois U.S.A.
  • 3129472080 | +1 312-947-2080 Illinois U.S.A.
  • 3129472081 | +1 312-947-2081 Illinois U.S.A.
  • 3129472082 | +1 312-947-2082 Illinois U.S.A.
  • 3129472083 | +1 312-947-2083 Illinois U.S.A.
  • 3129472084 | +1 312-947-2084 Illinois U.S.A.
  • 3129472085 | +1 312-947-2085 Illinois U.S.A.
  • 3129472086 | +1 312-947-2086 Illinois U.S.A.
  • 3129472087 | +1 312-947-2087 Illinois U.S.A.
  • 3129472088 | +1 312-947-2088 Illinois U.S.A.
  • 3129472089 | +1 312-947-2089 Illinois U.S.A.
  • 3129472090 | +1 312-947-2090 Illinois U.S.A.
  • 3129472091 | +1 312-947-2091 Illinois U.S.A.
  • 3129472092 | +1 312-947-2092 Illinois U.S.A.
  • 3129472093 | +1 312-947-2093 Illinois U.S.A.
  • 3129472094 | +1 312-947-2094 Illinois U.S.A.
  • 3129472095 | +1 312-947-2095 Illinois U.S.A.
  • 3129472096 | +1 312-947-2096 Illinois U.S.A.
  • 3129472097 | +1 312-947-2097 Illinois U.S.A.
  • 3129472098 | +1 312-947-2098 Illinois U.S.A.
  • 3129472099 | +1 312-947-2099 Illinois U.S.A.