Area Code 206
was assigned to the entire state of Washington in 1947 by NANP (North
American Numbering Plan). The Code 206 serves the State without going
through any change until 1957 when it was split into area code 509.
After that in 1995, area code 206
was had another split to form area code 360. In 1997, Area Code 206
split off again into two area codes - area code 425(For East and
Northern Areas) and 253 (Southern and Tacoma Area).
Standard Time Zone followed by the 206 area code is Pacific Time Zone. The Code 206 is surrounded by other area codes as:
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