What does NXX stand for?

What does NXX mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: NXX.

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NXX

North American direct distance dialing numbering plan, 'n' Is Any Number From 2 To 9, and 'x' Is Any Number From 0 To 9

Computing » Telecom

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"NXX." Abbreviations.com. STANDS4 LLC, 2015. Web. 29 Aug. 2015. <http://www.abbreviations.com/NXX>.