ZIP Codes Box

Mason County, Washington ZIP codes

9ZIP codes
9Cities and towns
66,064People in ZIP areas
253, 360, 564Area codes

Mason County is in Washington and the Pacific Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Mason County

ZIP codeCityTypePopulationMedian income
98524AllynStandard4,300$99,483
98528BelfairStandard11,940$91,058
98546GrapeviewStandard2,430$97,159
98548HoodsportStandard2,177$68,452
98555LilliwaupStandard324–
98560MatlockStandard114$72,596
98584SheltonStandard40,606$78,610
98588TahuyaStandard2,114$61,975
98592UnionStandard2,059$138,370

Cities and towns in Mason County

Area codes in Mason County

Questions

How many ZIP codes are in Mason County, WA?
Mason County has 9 ZIP codes.
What cities are in Mason County?
Mason County ZIP codes cover Allyn, Belfair, Grapeview, Hoodsport, Lilliwaup, Matlock, Shelton and Tahuya and 1 other places.
What area code is Mason County, WA?
Mason County uses area codes 253, 360 and 564.
What time zone is Mason County in?
Mason County is in Pacific Time.

Other Washington counties