[ Dry: ] It means there's no one in my phone book.

[ Besides Sam and a couple of others. Bucky's wildly undersocialized, and even when he has regular talks with neighbors, he doesn't spend quality time with them. If Bucky had a whole contact list full of people, he'd still only send texts like that to Zemo. (No sense in ruining his already tenuous reputation by scandalizing a civilian) ]

Which is pretty sad for me, but lucky for you. I happen to be very charming and handsome.