NexBank, SSB, Mckinney Branch Basic Info Reviews Routing Numbers Map & Direction Name: NexBank, SSB, Mckinney Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2515 Mckinney Avenue, Suite 1700 Dallas, Texas 75201 Dallas County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer231275882YY311973208YY From: To: