(1) Every telecommunications service provider shall provide a person designated under subsection (3), on his or her written request, with any
information in the service provider's possession or control respecting the name, address, telephone number and electronic mail address of any
subscriber to any of the service provider's telecommunications services and the Internet protocol address, mobile identification number, electronic serial number, local service provider identifier, international mobile equipment identity number, international mobile
subscriber identity number and
subscriber identity module card number that are
associated with the
subscriber's service and equipment.
Open Whisper Systems, a maker of a widely used encryption app called Signal, received a subpoena in the first half of the year for
subscriber information and other details
associated with two phone numbers that came up in a federal grand jury investigation in Virginia.