Washington Federal, Sammamish Basic Info Reviews Routing Numbers Map & Direction Name: Washington Federal, Sammamish Main Office: No Service: Full Service Brick and Mortar Office Location: 336 228th Ave. N. E. Sammamish, Washington 98074 King County View other branches Phone: 425-391-5097 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer122106073YN307072427YN312270450YN324170085YY325070980YY325170631YN From: To:
