Location based serviceLocation Labs, a company that helps developers implement location-based services in mobile applications, announced today that  its cloud-based Universal Location Service (ULS) platform can now locate over 250 million phones.

The milestone comes after Location Labs was granted access to Verizon’s network — giving it location connectivity to all four major US carriers.

The company offers three major services: Geofencing (available for iPhone, Android, and BlackBerry) runs in the background to let applications know when users have entered a specific location; the aforementioned Universal Location Services; and privacy management, which lets users know exactly how their data is shared.

Over 2,000 developers have signed up for Location Lab’s ULS across verticals like “mobile marketing, couponing, fraud prevention, compliance, and logistics tracking.” ULS gives developers an easy and scalable way to access location data. It can also detect both smartphones and less sophisticated cellphones.

The company recently announced a partnership with Citygrid Media that granted it access to data on over 15 million local businesses. Location Labs was originally called WaveMarket, but it changed its name in June.

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Location Labs is based in San Francisco, Calif., and has raised $26 million from Draper Fisher Jurvetson, BlueRun Ventures, Qualcomm Ventures and Intel Capital.

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