Area code 919 serves central North Carolina, including the Research Triangle cities of Raleigh, Durham, and Chapel Hill. Established in 1954 from a split with 704, it was overlaid by 984 in 2011. The region is known for its technology sector, major universities (UNC, Duke, and NC State), and rapid population growth. Ten-digit dialing is now required. Area code 919 is deeply connected to North Carolina’s emergence as a hub for education, innovation, and biotech. It remains one of the most prominent and prestigious area codes in the southeastern United States.