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
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[2012-03-20]. (原始内容 (Table)存档于2012-01-18). Monthly Averages for Dallas/ Fort Worth Area (Table). NWS Dallas/Fort Worth. [2012-03-20]. (原始内容存档于2018-08-07). Census