Wiktionary
phoneless
a. Without a telephone.
Usage examples of "phoneless".
Just as Kelsey, briskly interviewing Chia on the circumstances of her life, had devised the cover for her impending absence: ten days in the San Juans with Hester Chen, whose well-heeled luddite mother so thoroughly feared electromagnetic radiation that she lived phoneless, in a sod-roofed castle of driftwood, no electricity allowed whatever.
He didn’t feel up to formal dinner, and ordered simply a bowl of soup and wafers—which tasted better than they had yesterday, and he decided he felt up to a second bowl of it, in his televisionless, fellowless, phoneless exile.