CitysDirectory

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).

  • 3123902000 | +1 312-390-2000 Illinois U.S.A.
  • 3123902001 | +1 312-390-2001 Illinois U.S.A.
  • 3123902002 | +1 312-390-2002 Illinois U.S.A.
  • 3123902003 | +1 312-390-2003 Illinois U.S.A.
  • 3123902004 | +1 312-390-2004 Illinois U.S.A.
  • 3123902005 | +1 312-390-2005 Illinois U.S.A.
  • 3123902006 | +1 312-390-2006 Illinois U.S.A.
  • 3123902007 | +1 312-390-2007 Illinois U.S.A.
  • 3123902008 | +1 312-390-2008 Illinois U.S.A.
  • 3123902009 | +1 312-390-2009 Illinois U.S.A.
  • 3123902010 | +1 312-390-2010 Illinois U.S.A.
  • 3123902011 | +1 312-390-2011 Illinois U.S.A.
  • 3123902012 | +1 312-390-2012 Illinois U.S.A.
  • 3123902013 | +1 312-390-2013 Illinois U.S.A.
  • 3123902014 | +1 312-390-2014 Illinois U.S.A.
  • 3123902015 | +1 312-390-2015 Illinois U.S.A.
  • 3123902016 | +1 312-390-2016 Illinois U.S.A.
  • 3123902017 | +1 312-390-2017 Illinois U.S.A.
  • 3123902018 | +1 312-390-2018 Illinois U.S.A.
  • 3123902019 | +1 312-390-2019 Illinois U.S.A.
  • 3123902020 | +1 312-390-2020 Illinois U.S.A.
  • 3123902021 | +1 312-390-2021 Illinois U.S.A.
  • 3123902022 | +1 312-390-2022 Illinois U.S.A.
  • 3123902023 | +1 312-390-2023 Illinois U.S.A.
  • 3123902024 | +1 312-390-2024 Illinois U.S.A.
  • 3123902025 | +1 312-390-2025 Illinois U.S.A.
  • 3123902026 | +1 312-390-2026 Illinois U.S.A.
  • 3123902027 | +1 312-390-2027 Illinois U.S.A.
  • 3123902028 | +1 312-390-2028 Illinois U.S.A.
  • 3123902029 | +1 312-390-2029 Illinois U.S.A.
  • 3123902030 | +1 312-390-2030 Illinois U.S.A.
  • 3123902031 | +1 312-390-2031 Illinois U.S.A.
  • 3123902032 | +1 312-390-2032 Illinois U.S.A.
  • 3123902033 | +1 312-390-2033 Illinois U.S.A.
  • 3123902034 | +1 312-390-2034 Illinois U.S.A.
  • 3123902035 | +1 312-390-2035 Illinois U.S.A.
  • 3123902036 | +1 312-390-2036 Illinois U.S.A.
  • 3123902037 | +1 312-390-2037 Illinois U.S.A.
  • 3123902038 | +1 312-390-2038 Illinois U.S.A.
  • 3123902039 | +1 312-390-2039 Illinois U.S.A.
  • 3123902040 | +1 312-390-2040 Illinois U.S.A.
  • 3123902041 | +1 312-390-2041 Illinois U.S.A.
  • 3123902042 | +1 312-390-2042 Illinois U.S.A.
  • 3123902043 | +1 312-390-2043 Illinois U.S.A.
  • 3123902044 | +1 312-390-2044 Illinois U.S.A.
  • 3123902045 | +1 312-390-2045 Illinois U.S.A.
  • 3123902046 | +1 312-390-2046 Illinois U.S.A.
  • 3123902047 | +1 312-390-2047 Illinois U.S.A.
  • 3123902048 | +1 312-390-2048 Illinois U.S.A.
  • 3123902049 | +1 312-390-2049 Illinois U.S.A.
  • 3123902050 | +1 312-390-2050 Illinois U.S.A.
  • 3123902051 | +1 312-390-2051 Illinois U.S.A.
  • 3123902052 | +1 312-390-2052 Illinois U.S.A.
  • 3123902053 | +1 312-390-2053 Illinois U.S.A.
  • 3123902054 | +1 312-390-2054 Illinois U.S.A.
  • 3123902055 | +1 312-390-2055 Illinois U.S.A.
  • 3123902056 | +1 312-390-2056 Illinois U.S.A.
  • 3123902057 | +1 312-390-2057 Illinois U.S.A.
  • 3123902058 | +1 312-390-2058 Illinois U.S.A.
  • 3123902059 | +1 312-390-2059 Illinois U.S.A.
  • 3123902060 | +1 312-390-2060 Illinois U.S.A.
  • 3123902061 | +1 312-390-2061 Illinois U.S.A.
  • 3123902062 | +1 312-390-2062 Illinois U.S.A.
  • 3123902063 | +1 312-390-2063 Illinois U.S.A.
  • 3123902064 | +1 312-390-2064 Illinois U.S.A.
  • 3123902065 | +1 312-390-2065 Illinois U.S.A.
  • 3123902066 | +1 312-390-2066 Illinois U.S.A.
  • 3123902067 | +1 312-390-2067 Illinois U.S.A.
  • 3123902068 | +1 312-390-2068 Illinois U.S.A.
  • 3123902069 | +1 312-390-2069 Illinois U.S.A.
  • 3123902070 | +1 312-390-2070 Illinois U.S.A.
  • 3123902071 | +1 312-390-2071 Illinois U.S.A.
  • 3123902072 | +1 312-390-2072 Illinois U.S.A.
  • 3123902073 | +1 312-390-2073 Illinois U.S.A.
  • 3123902074 | +1 312-390-2074 Illinois U.S.A.
  • 3123902075 | +1 312-390-2075 Illinois U.S.A.
  • 3123902076 | +1 312-390-2076 Illinois U.S.A.
  • 3123902077 | +1 312-390-2077 Illinois U.S.A.
  • 3123902078 | +1 312-390-2078 Illinois U.S.A.
  • 3123902079 | +1 312-390-2079 Illinois U.S.A.
  • 3123902080 | +1 312-390-2080 Illinois U.S.A.
  • 3123902081 | +1 312-390-2081 Illinois U.S.A.
  • 3123902082 | +1 312-390-2082 Illinois U.S.A.
  • 3123902083 | +1 312-390-2083 Illinois U.S.A.
  • 3123902084 | +1 312-390-2084 Illinois U.S.A.
  • 3123902085 | +1 312-390-2085 Illinois U.S.A.
  • 3123902086 | +1 312-390-2086 Illinois U.S.A.
  • 3123902087 | +1 312-390-2087 Illinois U.S.A.
  • 3123902088 | +1 312-390-2088 Illinois U.S.A.
  • 3123902089 | +1 312-390-2089 Illinois U.S.A.
  • 3123902090 | +1 312-390-2090 Illinois U.S.A.
  • 3123902091 | +1 312-390-2091 Illinois U.S.A.
  • 3123902092 | +1 312-390-2092 Illinois U.S.A.
  • 3123902093 | +1 312-390-2093 Illinois U.S.A.
  • 3123902094 | +1 312-390-2094 Illinois U.S.A.
  • 3123902095 | +1 312-390-2095 Illinois U.S.A.
  • 3123902096 | +1 312-390-2096 Illinois U.S.A.
  • 3123902097 | +1 312-390-2097 Illinois U.S.A.
  • 3123902098 | +1 312-390-2098 Illinois U.S.A.
  • 3123902099 | +1 312-390-2099 Illinois U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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