Easily-recognizable code

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An easily-recognizable code, in the North American Numbering Plan, is any area code that ends in double digits, such as 800, 877, 900 and 700.^[1]

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 Wide Area Telephone Service (Northern Nevada was granted 775).^{[citation needed]}

[edit] References

1. ^ Numbering Resources. North American Numbering Plan Administration. Retrieved on 2006-05-05.

• http://www.nanpa.com/pdf/pl-nanp-168.pdf