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Host of startups offering ‘disposable phone numbers’

FALLS CHURCH, Va.—A handful of startups are targeting wireless subscribers who may be reluctant to divulge their phone numbers.

Tossable Digits Inc., which launched service earlier this year, provides a 10-digit phone number and five-digit extension that subscribers can use for up to 30 days. Calls to the number are forwarded to a subscriber’s mobile, home or office phone for $5 a month.

The offering, which also allows users to block calls during certain times, is available in 16 U.S. cities including New York, Los Angeles, Chicago and San Francisco.

Separately, Jangl, a Pleasanton, Calif.-based startup, emerged from stealth mode two weeks ago with a similar service. The company’s offering allows users to access “disposable numbers” that can be used for both incoming and outgoing calls. The service, which is in testing, includes a screening feature that prompts callers to introduce themselves in a few words; subscribers can opt not to take the call after hearing the introduction.

Finally, U.K.-based Safe-Talk provides a temporary number to users who send a text message to a short code. The number can be used for seven days, and the service can be extended with another text message. Each message costs $1.75.

“Most of us have people in our social networking profiles that we don’t either know as well, or don’t know beyond being connected in that network,” Jangl co-founder Michael Cerda posted on the company’s Web site. “So oftentimes we have a way to IM or e-mail through those networks. …. We’re a way to port those communications to our phones, where we spend even more time than on PCs.”

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