First Commonwealth Bank, New Alexandria Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Commonwealth Bank, New Alexandria Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 8291 State Rt. 22 New Alexandria, Pennsylvania 15670 Westmoreland County View other branches Phone: 724-668-2226 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer043303887YN043306826YY044011453YN From: To: