Westin Building

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The Westin Building Exchange is a major telecommunications hub in downtown Seattle. Built in 1981 as the Westin Building, it originally housed the corporate offices of Westin Hotels. Today it hosts the Seattle Internet Exchange (SIX) and the Pacific Wave Exchange. The building has two Meet-me Rooms on the 19th floor where telecom carriers and internet providers interconnect. Carriers place their network equipment in racks around the building and connect to the meet-me rooms via fiber, linking to other networks inside the building without relying on traditional phone company interconnections. Heat from the data centers is piped to Amazon’s Doppler building to heat it and nearby Amazon facilities. Backup boilers exist but are rarely used. In 2020 Digital Realty bought a majority stake and now manages the building. The tower is about 409 feet tall, has 34 floors and around 386,103 square feet of space, and is located at 2001 Sixth Avenue in Seattle.