I believe this is what you want - you enter NPA and NXX, and it outputs the City, Telco, and the serving office CLLI. One of my customers put me onto it and some other useful sites which I haven't used in so long that I lost the links.
Do a google search on "npa nxx telco" and you can find many more goodies.
Don
I am doing a site by remote site survey for a client and trying to find out all the individual telecom service providers. I have all the address and number info, but I can only verify about 60% with the bills accounting has provided me.
Is there a way I can find out who the provider is for any given local access number? I recall doing something similar for long distance once, but don't know if there is a reverse number lookup that will give me the carrier.
thanks in advance
This should help....
Probably not.
The Local Calling Guide is the best free source of this kind of info that I know:
R's, John
telcodata.us will decode NPA/NXX but won't help you if they've ported from an ILEC to a LEC or LEC to an ILEC or to a mobile operator.
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Cheers
very impressive... Can anyone confirm that it reports LNP numbers correctly?
Wow! That's a good one, thanks for the link! Certainly works for me.
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It doesn't. I looked up my ported number and it reported the switch where it used to live, not the one where I ported it to.
It does not. I just tried a ported number, and while it provides info about porting eligibility, it did not point to the correct serving carrier (instead, it pointed to the originaly LEC serving taht number, before porting).
Same thing happened to me when I did my number.
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