Area codes 202 and 771 are area codes for Washington, D.C.. Area code 202 was one of the first area codes created. It was created by AT&T in October 1947. It covers the entire Washington D.C. province. It was overlaid by 771 on November 9, 2021.
Area codes 202 and 771 are area codes for Washington, D.C.. Area code 202 was one of the first area codes created. It was created by AT&T in October 1947. It covers the entire Washington D.C. province. It was overlaid by 771 on November 9, 2021.