Extraco Banks, Killeen Branch Basic Info Reviews Routing Numbers Map & Direction Name: Extraco Banks, Killeen Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1002 W. Central Texas Expwy. Killeen, Texas 76541 Bell County View other branches Phone: 254-526-7511 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111900581YY111905968YN111909524YN111911826YN111915576YN111916287YN111916410YN111916627YN From: To: