Science Fair Project Encyclopedia
Easily-recognizable code
In telephony, an ERC is an easily-recognizable code for the North American Numbering Plan. This applies to all area codes that end in double digits, such as 800, 877, 900, 700 , and others not yet assigned. The state of Nevada requested that its new area code be "lucky" 777 ; this was denied by NANPA because it is an ERC, to be used only for special purposes like inward WATS -- they were granted 775, instead. Another such 'vanity' NPA code has now been assigned to the Titusville/Space Coast area of Florida: 321 .
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details