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).

  • 3123352000 | +1 312-335-2000 Illinois U.S.A.
  • 3123352001 | +1 312-335-2001 Illinois U.S.A.
  • 3123352002 | +1 312-335-2002 Illinois U.S.A.
  • 3123352003 | +1 312-335-2003 Illinois U.S.A.
  • 3123352004 | +1 312-335-2004 Illinois U.S.A.
  • 3123352005 | +1 312-335-2005 Illinois U.S.A.
  • 3123352006 | +1 312-335-2006 Illinois U.S.A.
  • 3123352007 | +1 312-335-2007 Illinois U.S.A.
  • 3123352008 | +1 312-335-2008 Illinois U.S.A.
  • 3123352009 | +1 312-335-2009 Illinois U.S.A.
  • 3123352010 | +1 312-335-2010 Illinois U.S.A.
  • 3123352011 | +1 312-335-2011 Illinois U.S.A.
  • 3123352012 | +1 312-335-2012 Illinois U.S.A.
  • 3123352013 | +1 312-335-2013 Illinois U.S.A.
  • 3123352014 | +1 312-335-2014 Illinois U.S.A.
  • 3123352015 | +1 312-335-2015 Illinois U.S.A.
  • 3123352016 | +1 312-335-2016 Illinois U.S.A.
  • 3123352017 | +1 312-335-2017 Illinois U.S.A.
  • 3123352018 | +1 312-335-2018 Illinois U.S.A.
  • 3123352019 | +1 312-335-2019 Illinois U.S.A.
  • 3123352020 | +1 312-335-2020 Illinois U.S.A.
  • 3123352021 | +1 312-335-2021 Illinois U.S.A.
  • 3123352022 | +1 312-335-2022 Illinois U.S.A.
  • 3123352023 | +1 312-335-2023 Illinois U.S.A.
  • 3123352024 | +1 312-335-2024 Illinois U.S.A.
  • 3123352025 | +1 312-335-2025 Illinois U.S.A.
  • 3123352026 | +1 312-335-2026 Illinois U.S.A.
  • 3123352027 | +1 312-335-2027 Illinois U.S.A.
  • 3123352028 | +1 312-335-2028 Illinois U.S.A.
  • 3123352029 | +1 312-335-2029 Illinois U.S.A.
  • 3123352030 | +1 312-335-2030 Illinois U.S.A.
  • 3123352031 | +1 312-335-2031 Illinois U.S.A.
  • 3123352032 | +1 312-335-2032 Illinois U.S.A.
  • 3123352033 | +1 312-335-2033 Illinois U.S.A.
  • 3123352034 | +1 312-335-2034 Illinois U.S.A.
  • 3123352035 | +1 312-335-2035 Illinois U.S.A.
  • 3123352036 | +1 312-335-2036 Illinois U.S.A.
  • 3123352037 | +1 312-335-2037 Illinois U.S.A.
  • 3123352038 | +1 312-335-2038 Illinois U.S.A.
  • 3123352039 | +1 312-335-2039 Illinois U.S.A.
  • 3123352040 | +1 312-335-2040 Illinois U.S.A.
  • 3123352041 | +1 312-335-2041 Illinois U.S.A.
  • 3123352042 | +1 312-335-2042 Illinois U.S.A.
  • 3123352043 | +1 312-335-2043 Illinois U.S.A.
  • 3123352044 | +1 312-335-2044 Illinois U.S.A.
  • 3123352045 | +1 312-335-2045 Illinois U.S.A.
  • 3123352046 | +1 312-335-2046 Illinois U.S.A.
  • 3123352047 | +1 312-335-2047 Illinois U.S.A.
  • 3123352048 | +1 312-335-2048 Illinois U.S.A.
  • 3123352049 | +1 312-335-2049 Illinois U.S.A.
  • 3123352050 | +1 312-335-2050 Illinois U.S.A.
  • 3123352051 | +1 312-335-2051 Illinois U.S.A.
  • 3123352052 | +1 312-335-2052 Illinois U.S.A.
  • 3123352053 | +1 312-335-2053 Illinois U.S.A.
  • 3123352054 | +1 312-335-2054 Illinois U.S.A.
  • 3123352055 | +1 312-335-2055 Illinois U.S.A.
  • 3123352056 | +1 312-335-2056 Illinois U.S.A.
  • 3123352057 | +1 312-335-2057 Illinois U.S.A.
  • 3123352058 | +1 312-335-2058 Illinois U.S.A.
  • 3123352059 | +1 312-335-2059 Illinois U.S.A.
  • 3123352060 | +1 312-335-2060 Illinois U.S.A.
  • 3123352061 | +1 312-335-2061 Illinois U.S.A.
  • 3123352062 | +1 312-335-2062 Illinois U.S.A.
  • 3123352063 | +1 312-335-2063 Illinois U.S.A.
  • 3123352064 | +1 312-335-2064 Illinois U.S.A.
  • 3123352065 | +1 312-335-2065 Illinois U.S.A.
  • 3123352066 | +1 312-335-2066 Illinois U.S.A.
  • 3123352067 | +1 312-335-2067 Illinois U.S.A.
  • 3123352068 | +1 312-335-2068 Illinois U.S.A.
  • 3123352069 | +1 312-335-2069 Illinois U.S.A.
  • 3123352070 | +1 312-335-2070 Illinois U.S.A.
  • 3123352071 | +1 312-335-2071 Illinois U.S.A.
  • 3123352072 | +1 312-335-2072 Illinois U.S.A.
  • 3123352073 | +1 312-335-2073 Illinois U.S.A.
  • 3123352074 | +1 312-335-2074 Illinois U.S.A.
  • 3123352075 | +1 312-335-2075 Illinois U.S.A.
  • 3123352076 | +1 312-335-2076 Illinois U.S.A.
  • 3123352077 | +1 312-335-2077 Illinois U.S.A.
  • 3123352078 | +1 312-335-2078 Illinois U.S.A.
  • 3123352079 | +1 312-335-2079 Illinois U.S.A.
  • 3123352080 | +1 312-335-2080 Illinois U.S.A.
  • 3123352081 | +1 312-335-2081 Illinois U.S.A.
  • 3123352082 | +1 312-335-2082 Illinois U.S.A.
  • 3123352083 | +1 312-335-2083 Illinois U.S.A.
  • 3123352084 | +1 312-335-2084 Illinois U.S.A.
  • 3123352085 | +1 312-335-2085 Illinois U.S.A.
  • 3123352086 | +1 312-335-2086 Illinois U.S.A.
  • 3123352087 | +1 312-335-2087 Illinois U.S.A.
  • 3123352088 | +1 312-335-2088 Illinois U.S.A.
  • 3123352089 | +1 312-335-2089 Illinois U.S.A.
  • 3123352090 | +1 312-335-2090 Illinois U.S.A.
  • 3123352091 | +1 312-335-2091 Illinois U.S.A.
  • 3123352092 | +1 312-335-2092 Illinois U.S.A.
  • 3123352093 | +1 312-335-2093 Illinois U.S.A.
  • 3123352094 | +1 312-335-2094 Illinois U.S.A.
  • 3123352095 | +1 312-335-2095 Illinois U.S.A.
  • 3123352096 | +1 312-335-2096 Illinois U.S.A.
  • 3123352097 | +1 312-335-2097 Illinois U.S.A.
  • 3123352098 | +1 312-335-2098 Illinois U.S.A.
  • 3123352099 | +1 312-335-2099 Illinois U.S.A.