What Data Does U.S. Mobile Companies Keep and For How Long?

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What Data Does U.S. Mobile Companies Keep and For How Long?

In 2010, the Department of Justice recorded by the Department of Justice in 2010:

Verizon: retains records of call details, text message details and cell towers used by phone for one year; retains record of text message content for three to five days.

T-Mobile: retains records of call details and text message details for two years on pre-paid phones and five years on post-paid phones; retains records on cell towers used by phone for one year or longer; does not retain text message content records.

AT&T: retains records of call details and text message details for five to seven years on post-paid phones; retains records on cell towers used by phone indefinitely as of July 2008; does not retain text message content records.

Sprint: retains records of call details, text message details and cell towers used by phone for 18 to 24 months, depending on the device used; does not retain text message content records.

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