a new areacode. Say hello to the 656.. Tampa Bay Times. [2020-05-08]. (原始内容存档于2020-05-08) (英语). Rosenthal, Phil. Chicago's newest areacode: 872. 芝加哥論壇報
(原始内容存档于2013-12-31). Population and Land Area. FOCUS. [2014-03-08]. (原始内容存档于2013-10-29). California Government Code Sections 34502 and 56722. California
(PDF)于2017-02-13). Code of Laws – Title 5 – Chapter 7 – Municipal Corporations. Scstatehouse.gov. [2018-07-25]. (原始内容存档于2018-06-30). Code of Laws – Title