The number 206 is an integer that follows 205 and precedes 207. It is an even number, meaning it is divisible by 2 without leaving a remainder. In mathematics, 206 can be factored into 2 and 103, indicating that it is a composite number. In the context of geography, 206 is also the area code for the city of Seattle in the state of Washington. This area code covers the central part of the city and some surrounding areas, making it an essential part of local telecommunications.