You're kidding, right? New corded phones are easily available at almost any large retail chain, or go on the Internet and search for them.
We haven’t found them at Walmarts in our area for a few years, and we don’t go to any other retail stores much. Amazon sells them, but they’re light-weight cheap crap. We prefer the old substantial ones.
13 bucks: https://www.amazon.com/gp/product/B00005MITU/ref=ox_sc_saved_title_10?smid=ATVPDKIKX0DER&psc=1