Area code 206
Area code 206 is an area code for Washington. It was one of the initial area codes created in 1947. It used to cover the entire state, but after it was split by 509 in 1957, 360 (one of the first area codes to not have a 0 or 1 as the middle digit) in 1995, 253 and 425 in 1997, it now covers the Seattle suburbs of the state.