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Comment by jonursenbach | Hacker News Reader

Wish they returned city, state, and ZIP information for domestic numbers like Telesign does. Telesign is outrageously expensive.

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Hey Jon - Rob from Twilio here.

Good feedback - appreciate you sharing. We do have geographic information with each webhook sharing city, state and zip - agree it would be useful to have this in the Lookup resources as well.

Any idea if/when that'd happen? ;)

Can't commit to anything yet - do appreciate the feedback though.

Thank Rob,

If you did add geographic info, what would it be base on? area code/NXX? How relevant would it be considering LNP?

It would be based on the number itself. Obviously with local number portability this is not super accurate, but we do have some customers that find the data useful nevertheless.

Are you guys going to implement it in the lookup, then?

I filed a support ticket the other day because I was curious, and this was the response I got:

``` Right now there are no plans to add this ability to this feature but I'm sure it's something we would look at as we go along. We really weren't sure this was a viable feature but enough people made noise so we developed it to help companies be more efficient when sending and calling the people they need to connect with. ```

Telesign also has the ability to return the billing name. Can you also provide that?

Are you able verify that the user's billing address is within a given area or return information related to that? nextdoor.com uses it to verify that you live where you say you do and I'd definitely pay to validate that information.

I don't think that'd be possible with [Local number portability](http://en.wikipedia.org/wiki/Local_number_portability). You can move your number anywhere, with a mobile number you can get a number anywhere, and with VoIP services, you don't even necessarily need to be in the US to get a US number. There's absolutely no way to verify the person actually lives where the number is supposed to be.

Yeah, I was pretty surprised that this wasn't there.

I tried a bunch of UK numbers for big cities (and my US mobile number) and none had city information.

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