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).

  • 3124642000 | +1 312-464-2000 Illinois U.S.A.
  • 3124642001 | +1 312-464-2001 Illinois U.S.A.
  • 3124642002 | +1 312-464-2002 Illinois U.S.A.
  • 3124642003 | +1 312-464-2003 Illinois U.S.A.
  • 3124642004 | +1 312-464-2004 Illinois U.S.A.
  • 3124642005 | +1 312-464-2005 Illinois U.S.A.
  • 3124642006 | +1 312-464-2006 Illinois U.S.A.
  • 3124642007 | +1 312-464-2007 Illinois U.S.A.
  • 3124642008 | +1 312-464-2008 Illinois U.S.A.
  • 3124642009 | +1 312-464-2009 Illinois U.S.A.
  • 3124642010 | +1 312-464-2010 Illinois U.S.A.
  • 3124642011 | +1 312-464-2011 Illinois U.S.A.
  • 3124642012 | +1 312-464-2012 Illinois U.S.A.
  • 3124642013 | +1 312-464-2013 Illinois U.S.A.
  • 3124642014 | +1 312-464-2014 Illinois U.S.A.
  • 3124642015 | +1 312-464-2015 Illinois U.S.A.
  • 3124642016 | +1 312-464-2016 Illinois U.S.A.
  • 3124642017 | +1 312-464-2017 Illinois U.S.A.
  • 3124642018 | +1 312-464-2018 Illinois U.S.A.
  • 3124642019 | +1 312-464-2019 Illinois U.S.A.
  • 3124642020 | +1 312-464-2020 Illinois U.S.A.
  • 3124642021 | +1 312-464-2021 Illinois U.S.A.
  • 3124642022 | +1 312-464-2022 Illinois U.S.A.
  • 3124642023 | +1 312-464-2023 Illinois U.S.A.
  • 3124642024 | +1 312-464-2024 Illinois U.S.A.
  • 3124642025 | +1 312-464-2025 Illinois U.S.A.
  • 3124642026 | +1 312-464-2026 Illinois U.S.A.
  • 3124642027 | +1 312-464-2027 Illinois U.S.A.
  • 3124642028 | +1 312-464-2028 Illinois U.S.A.
  • 3124642029 | +1 312-464-2029 Illinois U.S.A.
  • 3124642030 | +1 312-464-2030 Illinois U.S.A.
  • 3124642031 | +1 312-464-2031 Illinois U.S.A.
  • 3124642032 | +1 312-464-2032 Illinois U.S.A.
  • 3124642033 | +1 312-464-2033 Illinois U.S.A.
  • 3124642034 | +1 312-464-2034 Illinois U.S.A.
  • 3124642035 | +1 312-464-2035 Illinois U.S.A.
  • 3124642036 | +1 312-464-2036 Illinois U.S.A.
  • 3124642037 | +1 312-464-2037 Illinois U.S.A.
  • 3124642038 | +1 312-464-2038 Illinois U.S.A.
  • 3124642039 | +1 312-464-2039 Illinois U.S.A.
  • 3124642040 | +1 312-464-2040 Illinois U.S.A.
  • 3124642041 | +1 312-464-2041 Illinois U.S.A.
  • 3124642042 | +1 312-464-2042 Illinois U.S.A.
  • 3124642043 | +1 312-464-2043 Illinois U.S.A.
  • 3124642044 | +1 312-464-2044 Illinois U.S.A.
  • 3124642045 | +1 312-464-2045 Illinois U.S.A.
  • 3124642046 | +1 312-464-2046 Illinois U.S.A.
  • 3124642047 | +1 312-464-2047 Illinois U.S.A.
  • 3124642048 | +1 312-464-2048 Illinois U.S.A.
  • 3124642049 | +1 312-464-2049 Illinois U.S.A.
  • 3124642050 | +1 312-464-2050 Illinois U.S.A.
  • 3124642051 | +1 312-464-2051 Illinois U.S.A.
  • 3124642052 | +1 312-464-2052 Illinois U.S.A.
  • 3124642053 | +1 312-464-2053 Illinois U.S.A.
  • 3124642054 | +1 312-464-2054 Illinois U.S.A.
  • 3124642055 | +1 312-464-2055 Illinois U.S.A.
  • 3124642056 | +1 312-464-2056 Illinois U.S.A.
  • 3124642057 | +1 312-464-2057 Illinois U.S.A.
  • 3124642058 | +1 312-464-2058 Illinois U.S.A.
  • 3124642059 | +1 312-464-2059 Illinois U.S.A.
  • 3124642060 | +1 312-464-2060 Illinois U.S.A.
  • 3124642061 | +1 312-464-2061 Illinois U.S.A.
  • 3124642062 | +1 312-464-2062 Illinois U.S.A.
  • 3124642063 | +1 312-464-2063 Illinois U.S.A.
  • 3124642064 | +1 312-464-2064 Illinois U.S.A.
  • 3124642065 | +1 312-464-2065 Illinois U.S.A.
  • 3124642066 | +1 312-464-2066 Illinois U.S.A.
  • 3124642067 | +1 312-464-2067 Illinois U.S.A.
  • 3124642068 | +1 312-464-2068 Illinois U.S.A.
  • 3124642069 | +1 312-464-2069 Illinois U.S.A.
  • 3124642070 | +1 312-464-2070 Illinois U.S.A.
  • 3124642071 | +1 312-464-2071 Illinois U.S.A.
  • 3124642072 | +1 312-464-2072 Illinois U.S.A.
  • 3124642073 | +1 312-464-2073 Illinois U.S.A.
  • 3124642074 | +1 312-464-2074 Illinois U.S.A.
  • 3124642075 | +1 312-464-2075 Illinois U.S.A.
  • 3124642076 | +1 312-464-2076 Illinois U.S.A.
  • 3124642077 | +1 312-464-2077 Illinois U.S.A.
  • 3124642078 | +1 312-464-2078 Illinois U.S.A.
  • 3124642079 | +1 312-464-2079 Illinois U.S.A.
  • 3124642080 | +1 312-464-2080 Illinois U.S.A.
  • 3124642081 | +1 312-464-2081 Illinois U.S.A.
  • 3124642082 | +1 312-464-2082 Illinois U.S.A.
  • 3124642083 | +1 312-464-2083 Illinois U.S.A.
  • 3124642084 | +1 312-464-2084 Illinois U.S.A.
  • 3124642085 | +1 312-464-2085 Illinois U.S.A.
  • 3124642086 | +1 312-464-2086 Illinois U.S.A.
  • 3124642087 | +1 312-464-2087 Illinois U.S.A.
  • 3124642088 | +1 312-464-2088 Illinois U.S.A.
  • 3124642089 | +1 312-464-2089 Illinois U.S.A.
  • 3124642090 | +1 312-464-2090 Illinois U.S.A.
  • 3124642091 | +1 312-464-2091 Illinois U.S.A.
  • 3124642092 | +1 312-464-2092 Illinois U.S.A.
  • 3124642093 | +1 312-464-2093 Illinois U.S.A.
  • 3124642094 | +1 312-464-2094 Illinois U.S.A.
  • 3124642095 | +1 312-464-2095 Illinois U.S.A.
  • 3124642096 | +1 312-464-2096 Illinois U.S.A.
  • 3124642097 | +1 312-464-2097 Illinois U.S.A.
  • 3124642098 | +1 312-464-2098 Illinois U.S.A.
  • 3124642099 | +1 312-464-2099 Illinois U.S.A.