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).

  • 3123642000 | +1 312-364-2000 Illinois U.S.A.
  • 3123642001 | +1 312-364-2001 Illinois U.S.A.
  • 3123642002 | +1 312-364-2002 Illinois U.S.A.
  • 3123642003 | +1 312-364-2003 Illinois U.S.A.
  • 3123642004 | +1 312-364-2004 Illinois U.S.A.
  • 3123642005 | +1 312-364-2005 Illinois U.S.A.
  • 3123642006 | +1 312-364-2006 Illinois U.S.A.
  • 3123642007 | +1 312-364-2007 Illinois U.S.A.
  • 3123642008 | +1 312-364-2008 Illinois U.S.A.
  • 3123642009 | +1 312-364-2009 Illinois U.S.A.
  • 3123642010 | +1 312-364-2010 Illinois U.S.A.
  • 3123642011 | +1 312-364-2011 Illinois U.S.A.
  • 3123642012 | +1 312-364-2012 Illinois U.S.A.
  • 3123642013 | +1 312-364-2013 Illinois U.S.A.
  • 3123642014 | +1 312-364-2014 Illinois U.S.A.
  • 3123642015 | +1 312-364-2015 Illinois U.S.A.
  • 3123642016 | +1 312-364-2016 Illinois U.S.A.
  • 3123642017 | +1 312-364-2017 Illinois U.S.A.
  • 3123642018 | +1 312-364-2018 Illinois U.S.A.
  • 3123642019 | +1 312-364-2019 Illinois U.S.A.
  • 3123642020 | +1 312-364-2020 Illinois U.S.A.
  • 3123642021 | +1 312-364-2021 Illinois U.S.A.
  • 3123642022 | +1 312-364-2022 Illinois U.S.A.
  • 3123642023 | +1 312-364-2023 Illinois U.S.A.
  • 3123642024 | +1 312-364-2024 Illinois U.S.A.
  • 3123642025 | +1 312-364-2025 Illinois U.S.A.
  • 3123642026 | +1 312-364-2026 Illinois U.S.A.
  • 3123642027 | +1 312-364-2027 Illinois U.S.A.
  • 3123642028 | +1 312-364-2028 Illinois U.S.A.
  • 3123642029 | +1 312-364-2029 Illinois U.S.A.
  • 3123642030 | +1 312-364-2030 Illinois U.S.A.
  • 3123642031 | +1 312-364-2031 Illinois U.S.A.
  • 3123642032 | +1 312-364-2032 Illinois U.S.A.
  • 3123642033 | +1 312-364-2033 Illinois U.S.A.
  • 3123642034 | +1 312-364-2034 Illinois U.S.A.
  • 3123642035 | +1 312-364-2035 Illinois U.S.A.
  • 3123642036 | +1 312-364-2036 Illinois U.S.A.
  • 3123642037 | +1 312-364-2037 Illinois U.S.A.
  • 3123642038 | +1 312-364-2038 Illinois U.S.A.
  • 3123642039 | +1 312-364-2039 Illinois U.S.A.
  • 3123642040 | +1 312-364-2040 Illinois U.S.A.
  • 3123642041 | +1 312-364-2041 Illinois U.S.A.
  • 3123642042 | +1 312-364-2042 Illinois U.S.A.
  • 3123642043 | +1 312-364-2043 Illinois U.S.A.
  • 3123642044 | +1 312-364-2044 Illinois U.S.A.
  • 3123642045 | +1 312-364-2045 Illinois U.S.A.
  • 3123642046 | +1 312-364-2046 Illinois U.S.A.
  • 3123642047 | +1 312-364-2047 Illinois U.S.A.
  • 3123642048 | +1 312-364-2048 Illinois U.S.A.
  • 3123642049 | +1 312-364-2049 Illinois U.S.A.
  • 3123642050 | +1 312-364-2050 Illinois U.S.A.
  • 3123642051 | +1 312-364-2051 Illinois U.S.A.
  • 3123642052 | +1 312-364-2052 Illinois U.S.A.
  • 3123642053 | +1 312-364-2053 Illinois U.S.A.
  • 3123642054 | +1 312-364-2054 Illinois U.S.A.
  • 3123642055 | +1 312-364-2055 Illinois U.S.A.
  • 3123642056 | +1 312-364-2056 Illinois U.S.A.
  • 3123642057 | +1 312-364-2057 Illinois U.S.A.
  • 3123642058 | +1 312-364-2058 Illinois U.S.A.
  • 3123642059 | +1 312-364-2059 Illinois U.S.A.
  • 3123642060 | +1 312-364-2060 Illinois U.S.A.
  • 3123642061 | +1 312-364-2061 Illinois U.S.A.
  • 3123642062 | +1 312-364-2062 Illinois U.S.A.
  • 3123642063 | +1 312-364-2063 Illinois U.S.A.
  • 3123642064 | +1 312-364-2064 Illinois U.S.A.
  • 3123642065 | +1 312-364-2065 Illinois U.S.A.
  • 3123642066 | +1 312-364-2066 Illinois U.S.A.
  • 3123642067 | +1 312-364-2067 Illinois U.S.A.
  • 3123642068 | +1 312-364-2068 Illinois U.S.A.
  • 3123642069 | +1 312-364-2069 Illinois U.S.A.
  • 3123642070 | +1 312-364-2070 Illinois U.S.A.
  • 3123642071 | +1 312-364-2071 Illinois U.S.A.
  • 3123642072 | +1 312-364-2072 Illinois U.S.A.
  • 3123642073 | +1 312-364-2073 Illinois U.S.A.
  • 3123642074 | +1 312-364-2074 Illinois U.S.A.
  • 3123642075 | +1 312-364-2075 Illinois U.S.A.
  • 3123642076 | +1 312-364-2076 Illinois U.S.A.
  • 3123642077 | +1 312-364-2077 Illinois U.S.A.
  • 3123642078 | +1 312-364-2078 Illinois U.S.A.
  • 3123642079 | +1 312-364-2079 Illinois U.S.A.
  • 3123642080 | +1 312-364-2080 Illinois U.S.A.
  • 3123642081 | +1 312-364-2081 Illinois U.S.A.
  • 3123642082 | +1 312-364-2082 Illinois U.S.A.
  • 3123642083 | +1 312-364-2083 Illinois U.S.A.
  • 3123642084 | +1 312-364-2084 Illinois U.S.A.
  • 3123642085 | +1 312-364-2085 Illinois U.S.A.
  • 3123642086 | +1 312-364-2086 Illinois U.S.A.
  • 3123642087 | +1 312-364-2087 Illinois U.S.A.
  • 3123642088 | +1 312-364-2088 Illinois U.S.A.
  • 3123642089 | +1 312-364-2089 Illinois U.S.A.
  • 3123642090 | +1 312-364-2090 Illinois U.S.A.
  • 3123642091 | +1 312-364-2091 Illinois U.S.A.
  • 3123642092 | +1 312-364-2092 Illinois U.S.A.
  • 3123642093 | +1 312-364-2093 Illinois U.S.A.
  • 3123642094 | +1 312-364-2094 Illinois U.S.A.
  • 3123642095 | +1 312-364-2095 Illinois U.S.A.
  • 3123642096 | +1 312-364-2096 Illinois U.S.A.
  • 3123642097 | +1 312-364-2097 Illinois U.S.A.
  • 3123642098 | +1 312-364-2098 Illinois U.S.A.
  • 3123642099 | +1 312-364-2099 Illinois U.S.A.