Cornerstone Bank, Edgar Branch Basic Info Reviews Routing Numbers Map & Direction Name: Cornerstone Bank, Edgar Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 307 North C Street Edgar, Nebraska 68935 Clay County View other branches Phone: 402-224-3205 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer104103421YN104104750YY104113709YN104900349YY104907960YN304987298YN From: To: