[188722] in North American Network Operators' Group
Re: phone fun, was GeoIP database issues and the real world
daemon@ATHENA.MIT.EDU (John R. Levine)
Wed Apr 13 15:45:09 2016
X-Original-To: nanog@nanog.org
Date: 13 Apr 2016 15:45:04 -0400
From: "John R. Levine" <johnl@iecc.com>
To: "Owen DeLong" <owen@delong.com>
In-Reply-To: <78025EFB-3007-458B-9A55-1E5FD57F97FA@delong.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
>> NANP geographical numbers can be located to a switch (give
>> or take number portability within a LATA), but non-geographic numbers
>> can really go anywhere. On the third hand, it's still true that the
>> large majority of them are in the U.S.
>
> Would you agree that 408-921 is a geographic number?
No. It's a prefix, assigned to the at&t switch in west San Jose.
> I guarantee you that there are phones within that prefix within
> US/Calif/LATA-1 and also some well outside of that, probably not even in
> the same country.
Who said anything about phones? Could you describe what "geographic
numbers can be located to a switch" means to you?
Helpfully,
John