Area code 606 serves eastern Kentucky, including cities such as Ashland, Pikeville, and Middlesboro. Created in 1954 as a split from 502, it covers a largely rural and mountainous area deeply connected to coal mining and Appalachian culture. Seven-digit dialing remains the norm. Area code 606 carries strong regional identity tied to the traditions, struggles, and close communities of Eastern Kentucky, reflecting resilience and pride in Appalachia’s unique heritage.