[Cryptography] "Spy Agencies Urge Caution on Phone Deal"
=JeffH
Jeff.Hodges at KingsMountain.com
Wed Oct 1 09:57:29 EDT 2014
> On Mon, Sep 29, 2014 at 11:51 PM, Jerry Leichter <leichter at lrw.com> wrote:
>> a special network/database - oddly never named in the article - that
"rout[es] millions of phone calls and text messages in the United States".
Apparently this was a system created back in the late 1990's to implement
number portability.
>
> It's the "Number Portability Administration Center":
> https://www.npac.com/
see also...
North American Numbering Plan
https://en.wikipedia.org/wiki/North_American_Numbering_Plan
North American Numbering Plan Administration: NANPA
http://www.nanpa.com/about_us/abt_nanp.html
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