[VoiceOps] Rate Center Geodata

Paul Timmins paul at timmins.net
Mon Mar 20 13:26:06 EDT 2023

I actually just added "npa-exchange-state-ratecenter <https://www.telcodata.us/data-downloads?file=npa-exchange-state-ratecenter>" on the web (npa-exchange-state-ratecenter-ocn-company-city-county-zip-lat-lon-byratecenter.csv on FTP) for this one, if that does what you need it's not "authoritative" but nothing really is. It's derived from the ILEC end office lat/lon in the rate center. It's not perfect, but if you launched a large enough nuke at the coordinates I provide, I'm confident it'd hit whatever you're looking at.

Paul Timmins
Telecommunications Consultant
Timmins Technologies, LLC / telcodata.us

> On Mar 20, 2023, at 12:38 PM, Karl Douthit via VoiceOps <voiceops at voiceops.org> wrote:
> Haven't looked in awhile, but telcodata.us <http://telcodata.us/> has a bit of that information.
> On Mon, Mar 20, 2023 at 9:36 AM Calvin E. via VoiceOps <voiceops at voiceops.org <mailto:voiceops at voiceops.org>> wrote:
>> Is there an authoritative source for rate center latitude and longitude?
>> Is there a free source for this data?
>> I'm aware that BIRRDS/LERG has the Switch CLLI coordinates, but I don't know if the rate center virtual coordinates are also there. NANPA said, "NANPA doesn’t have this information. We suggest you check with a vendor who creates rate center maps, but we can’t recommend one."
>> Is rate center data centralized, or invented by carriers and 3rd parties?
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