FirstBank Southwest, Sleepy Hollow Branch Basic Info Reviews Routing Numbers Map & Direction Name: FirstBank Southwest, Sleepy Hollow Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 7420 Sw 45th Syreet Amarillo, Texas 79119 Randall County View other branches Phone: 806-354-7900 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111302095YY111308057YY111322910YN From: To: