KNWA Views 2 meanings found KNWA is an informal slogan meaning “Know Now Walmart Always,” and it serves as the call sign for the TV 51/DT‑50 station in Fayetteville, Arkansas, as well as the AM 1600 station in Bellefonte. Miscellaneous Know Now Walmart Always Community TV-51, DT-50, Fayetteville, Arkansas; AM-1600, Bellefonte, A