is it possible to programmatically check the service provider for a cell number? [closed]

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is there a database or API available where i can enter a cell phone number and it will spit out whoever the providor is like tmobile or verizon?

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Based on this:

http://blog.programmableweb.com/2010/04/20/free-phone-number-lookup-service-gets-you-location-and-carrier/

I'd say the answer is yes. The availability of an API to do so, however is questionable.

Edit:

Link to API is in the page.

http://help.cloudvox.com/faqs/digits/digits-phone-number-location-lookup-api

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Yes, such services do exist. I don't know of any free ones (because of the nature of the problem, I don't think free ones can exist). For example, mBlox has a service you can hook into.

Edit wow, there are free ones, thanks to Chapso :)