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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Area code 710 ： ウィキペディア英語版 Area code 710 Area code 710 is a special area code, reserved to the federal government of the United States in 1983. As of December 2006, it had only one working number, 710-NCS-GETS (710-627-4387), which requires a special access code to use. See Government Emergency Telecommunications Service for more information on this service. ==Prior usage of 710== The 710 area code was one of three US regional area codes for the former AT&T TWX (TeletypeWriter eXchange) network, sold to Western Union in 1969 and renamed as Telex II. It covered the US Northeast (New England, NY, NJ, PA, MD, DC, VA and WV). The original TWX area codes were 510 in the US and 610 in Canada. The addition of 710 in the Northeast, 810 in the South (and MI OH IN KY) and 910 west of the Mississippi allowed each major city one or more local exchange prefixes in the special area code.〔(Traffic Routing Guide ), sec. 15-16, AT&T, 1975〕 The special US TWX area codes (510, 710, 810, 910) were decommissioned in 1981; Canada moved its remaining 1-610 numbers to area code 600 in 1992. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Area code 710」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.