BlackRidgeBANK, Alexandria Branch Basic Info Reviews Routing Numbers Map & Direction Name: BlackRidgeBANK, Alexandria Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3313 Highway 29 South Alexandria, Minnesota 56308 Douglas County View other branches Phone: 320-763-7700 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer091311119YN091914286YY From: To: