NEXTIER BANK, Nextier Bank, National Association Basic Info Reviews Routing Numbers Map & Direction Name: NEXTIER BANK, Nextier Bank, National Association Main Office: Yes Service: Full Service Brick and Mortar Office Location: 222 Market Street Kittanning, Pennsylvania 16201 Armstrong County View other branches Phone: 724-543-1125 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer043307508YN043307524YN043311497YY243073616YN From: To: