Where Are We Located?

The Mason County PUD No. 3 fiber optic network is available in many areas of the county. Click on the links below to view maps of the backbone system in the county, and the areas where PUD 3 has distribution networks to serve businesses and residents.

• Mason County
• Shelton
• Belfair
• Allyn
• Other rural locations (click on coverage maps)

Mason County PUD No. 3 is a publicly owned utility that serves nearly 32,000 customers. Its service area covers 567 square miles, most of which is in Mason County. Electric service is also provided to small areas of south Kitsap and east Grays Harbor Counties.

Mason County is comprised of a total land mass of 961 square miles. The county ranks 29th in size among Washington counties.

Mason County is located in western Washington at the southwest end of Puget Sound. It is bordered to the north by Jefferson County, to the west and southwest by Grays Harbor County, and to the southeast by Thurston County. The county’s eastern boundary - shared with Kitsap, Pierce and Thurston counties - is primarily delineated by the rugged contours of Hood Canal and Case Inlet.