The Bryn Mawr Trust Company, Brookhaven Branch Basic Info Reviews Routing Numbers Map & Direction Name: The Bryn Mawr Trust Company, Brookhaven Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3218 Edgmont Avenue Brookhaven, Pennsylvania 19015 Delaware County View other branches Phone: 610-876-6293 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer031101059YN031908485YY031976200YN231371964YN From: To: