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).

  • 3123212000 | +1 312-321-2000 Illinois U.S.A.
  • 3123212001 | +1 312-321-2001 Illinois U.S.A.
  • 3123212002 | +1 312-321-2002 Illinois U.S.A.
  • 3123212003 | +1 312-321-2003 Illinois U.S.A.
  • 3123212004 | +1 312-321-2004 Illinois U.S.A.
  • 3123212005 | +1 312-321-2005 Illinois U.S.A.
  • 3123212006 | +1 312-321-2006 Illinois U.S.A.
  • 3123212007 | +1 312-321-2007 Illinois U.S.A.
  • 3123212008 | +1 312-321-2008 Illinois U.S.A.
  • 3123212009 | +1 312-321-2009 Illinois U.S.A.
  • 3123212010 | +1 312-321-2010 Illinois U.S.A.
  • 3123212011 | +1 312-321-2011 Illinois U.S.A.
  • 3123212012 | +1 312-321-2012 Illinois U.S.A.
  • 3123212013 | +1 312-321-2013 Illinois U.S.A.
  • 3123212014 | +1 312-321-2014 Illinois U.S.A.
  • 3123212015 | +1 312-321-2015 Illinois U.S.A.
  • 3123212016 | +1 312-321-2016 Illinois U.S.A.
  • 3123212017 | +1 312-321-2017 Illinois U.S.A.
  • 3123212018 | +1 312-321-2018 Illinois U.S.A.
  • 3123212019 | +1 312-321-2019 Illinois U.S.A.
  • 3123212020 | +1 312-321-2020 Illinois U.S.A.
  • 3123212021 | +1 312-321-2021 Illinois U.S.A.
  • 3123212022 | +1 312-321-2022 Illinois U.S.A.
  • 3123212023 | +1 312-321-2023 Illinois U.S.A.
  • 3123212024 | +1 312-321-2024 Illinois U.S.A.
  • 3123212025 | +1 312-321-2025 Illinois U.S.A.
  • 3123212026 | +1 312-321-2026 Illinois U.S.A.
  • 3123212027 | +1 312-321-2027 Illinois U.S.A.
  • 3123212028 | +1 312-321-2028 Illinois U.S.A.
  • 3123212029 | +1 312-321-2029 Illinois U.S.A.
  • 3123212030 | +1 312-321-2030 Illinois U.S.A.
  • 3123212031 | +1 312-321-2031 Illinois U.S.A.
  • 3123212032 | +1 312-321-2032 Illinois U.S.A.
  • 3123212033 | +1 312-321-2033 Illinois U.S.A.
  • 3123212034 | +1 312-321-2034 Illinois U.S.A.
  • 3123212035 | +1 312-321-2035 Illinois U.S.A.
  • 3123212036 | +1 312-321-2036 Illinois U.S.A.
  • 3123212037 | +1 312-321-2037 Illinois U.S.A.
  • 3123212038 | +1 312-321-2038 Illinois U.S.A.
  • 3123212039 | +1 312-321-2039 Illinois U.S.A.
  • 3123212040 | +1 312-321-2040 Illinois U.S.A.
  • 3123212041 | +1 312-321-2041 Illinois U.S.A.
  • 3123212042 | +1 312-321-2042 Illinois U.S.A.
  • 3123212043 | +1 312-321-2043 Illinois U.S.A.
  • 3123212044 | +1 312-321-2044 Illinois U.S.A.
  • 3123212045 | +1 312-321-2045 Illinois U.S.A.
  • 3123212046 | +1 312-321-2046 Illinois U.S.A.
  • 3123212047 | +1 312-321-2047 Illinois U.S.A.
  • 3123212048 | +1 312-321-2048 Illinois U.S.A.
  • 3123212049 | +1 312-321-2049 Illinois U.S.A.
  • 3123212050 | +1 312-321-2050 Illinois U.S.A.
  • 3123212051 | +1 312-321-2051 Illinois U.S.A.
  • 3123212052 | +1 312-321-2052 Illinois U.S.A.
  • 3123212053 | +1 312-321-2053 Illinois U.S.A.
  • 3123212054 | +1 312-321-2054 Illinois U.S.A.
  • 3123212055 | +1 312-321-2055 Illinois U.S.A.
  • 3123212056 | +1 312-321-2056 Illinois U.S.A.
  • 3123212057 | +1 312-321-2057 Illinois U.S.A.
  • 3123212058 | +1 312-321-2058 Illinois U.S.A.
  • 3123212059 | +1 312-321-2059 Illinois U.S.A.
  • 3123212060 | +1 312-321-2060 Illinois U.S.A.
  • 3123212061 | +1 312-321-2061 Illinois U.S.A.
  • 3123212062 | +1 312-321-2062 Illinois U.S.A.
  • 3123212063 | +1 312-321-2063 Illinois U.S.A.
  • 3123212064 | +1 312-321-2064 Illinois U.S.A.
  • 3123212065 | +1 312-321-2065 Illinois U.S.A.
  • 3123212066 | +1 312-321-2066 Illinois U.S.A.
  • 3123212067 | +1 312-321-2067 Illinois U.S.A.
  • 3123212068 | +1 312-321-2068 Illinois U.S.A.
  • 3123212069 | +1 312-321-2069 Illinois U.S.A.
  • 3123212070 | +1 312-321-2070 Illinois U.S.A.
  • 3123212071 | +1 312-321-2071 Illinois U.S.A.
  • 3123212072 | +1 312-321-2072 Illinois U.S.A.
  • 3123212073 | +1 312-321-2073 Illinois U.S.A.
  • 3123212074 | +1 312-321-2074 Illinois U.S.A.
  • 3123212075 | +1 312-321-2075 Illinois U.S.A.
  • 3123212076 | +1 312-321-2076 Illinois U.S.A.
  • 3123212077 | +1 312-321-2077 Illinois U.S.A.
  • 3123212078 | +1 312-321-2078 Illinois U.S.A.
  • 3123212079 | +1 312-321-2079 Illinois U.S.A.
  • 3123212080 | +1 312-321-2080 Illinois U.S.A.
  • 3123212081 | +1 312-321-2081 Illinois U.S.A.
  • 3123212082 | +1 312-321-2082 Illinois U.S.A.
  • 3123212083 | +1 312-321-2083 Illinois U.S.A.
  • 3123212084 | +1 312-321-2084 Illinois U.S.A.
  • 3123212085 | +1 312-321-2085 Illinois U.S.A.
  • 3123212086 | +1 312-321-2086 Illinois U.S.A.
  • 3123212087 | +1 312-321-2087 Illinois U.S.A.
  • 3123212088 | +1 312-321-2088 Illinois U.S.A.
  • 3123212089 | +1 312-321-2089 Illinois U.S.A.
  • 3123212090 | +1 312-321-2090 Illinois U.S.A.
  • 3123212091 | +1 312-321-2091 Illinois U.S.A.
  • 3123212092 | +1 312-321-2092 Illinois U.S.A.
  • 3123212093 | +1 312-321-2093 Illinois U.S.A.
  • 3123212094 | +1 312-321-2094 Illinois U.S.A.
  • 3123212095 | +1 312-321-2095 Illinois U.S.A.
  • 3123212096 | +1 312-321-2096 Illinois U.S.A.
  • 3123212097 | +1 312-321-2097 Illinois U.S.A.
  • 3123212098 | +1 312-321-2098 Illinois U.S.A.
  • 3123212099 | +1 312-321-2099 Illinois U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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