They can include information in the letter they can't include on a phone call, as the mail service is performing the authentication.
My health insurer won't talk to me on the phone without me confirming identity, even if they called me, but they'll happily mail the info.
Never call the number off the letter, though.
They can include information in the letter they can't include on a phone call, as the mail service is performing the authentication.
My health insurer won't talk to me on the phone without me confirming identity, even if they called me, but they'll happily mail the info.
Never call the number off the letter, though.