FirstBank Southwest, Firstbank Southwest Basic Info Reviews Routing Numbers Map & Direction Name: FirstBank Southwest, Firstbank Southwest Main Office: Yes Service: Full Service Brick and Mortar Office Location: 2401 South Georgia Amarillo, Texas 79120 Potter County View other branches Phone: 806-355-9661 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111302095YY111308057YY111322910YN From: To:
