Sterling Federal Bank, F.S.B., 821 First Ave Branch Basic Info Reviews Routing Numbers Map & Direction Name: Sterling Federal Bank, F.S.B., 821 First Ave Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 821 First Avenue Rock Falls, Illinois 61071 Whiteside County View other branches Phone: 815-626-0614 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer271173494YY271972679YN From: To: