First Commonwealth Bank, Delmont Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Commonwealth Bank, Delmont Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 38 Greensburg Street Delmont, Pennsylvania 15626 Westmoreland County View other branches Phone: 724-468-4101 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer043303887YN043306826YY044011453YN From: To: