TrustCo Bank, Mamaroneck Branch Basic Info Reviews Routing Numbers Map & Direction Name: TrustCo Bank, Mamaroneck Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 180-190 E Boston Post Rd Mamaroneck, New York 10543 Westchester County View other branches Phone: 914-777-3023 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer021300912YY063192450YY221371424YN221371534YY From: To: