This branch is closed. Please visit our new location at 44747 Brimfield Drive Ashburn, Va. 20147. Signal Financial FCU has been helping families and businesses in the DC area build a better financial future since 1947. We offer many of the same products and services available at banks, but we’re owned and governed by our members for mutual benefit. Profits are used to improve rates, products, and service—making Signal membership a different kind of banking experience.