Older phones without SIM cards have a similar number, called an electronic serial number (ESN) or
mobile equipment identifier (MEID), baked into the device itself.
This sort of information would be IP address,
mobile identification number, electronic serial number, phone number,
equipment identifiers and others.
(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.