[VoiceOps] Rate Center to LATA map

Alex Balashov abalashov at evaristesys.com
Tue Sep 28 17:11:26 EDT 2010

On 09/28/2010 04:54 PM, Alex Balashov wrote:

> On 09/28/2010 04:11 PM, Eric Hiller wrote:
>> I still am unsure of what the third file is, the critical one that
>> converts from rate center to lata?
> You guys do have a point. I shouldn't have been so sanctimonious.
> The old NANPA sheet I have had a LATA column in it; at some point,
> they must have stopped providing it.
> You can't resolve a rate center to a LATA per se, but you can resolve
> an NPA to a LATA pretty easily. However, that won't help you avoid
> edge cases like LATAs that flow across state borders into NPAs that
> are otherwise 99% in some other LATA -- those do happen. For that,
> you'd need the LERG and/or pooling data.

No, really, I'm not screwing with you guys.  There used to be a LATA 
column in either the NANPA or the Pooling sheet.  It has been removed.

Part of me wonders if this is a conspiracy to screw little guys like 
us right as more and more Tier 1 & wholesale termination providers 
switch from NPA-NXX to LATA/OCN billing.

-- Alex

Alex Balashov - Principal
Evariste Systems LLC
1170 Peachtree Street
12th Floor, Suite 1200
Atlanta, GA 30309
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web: http://www.evaristesys.com/

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