Seaway Bank and Trust Company, First Suburban National Bank Branch Basic Info Reviews Routing Numbers Map & Direction Name: Seaway Bank and Trust Company, First Suburban National Bank Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 150 South 5th Avenue Maywood, Illinois 60153 Cook County View other branches Phone: 708-450-4100 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071001216YY071921707YN075017853YN From: To: