Firstrust Savings Bank, West Lancaster Branch Basic Info Reviews Routing Numbers Map & Direction Name: Firstrust Savings Bank, West Lancaster Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 725 West Lancaster Avenue Bryn Mawr, Pennsylvania 19010 Montgomery County View other branches Phone: 610-519-2265 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer031975984YN236073801YY From: To: