First Commonwealth Bank, Allegheny Township Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Commonwealth Bank, Allegheny Township Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1147 South Leechburg Hill Leechburg, Pennsylvania 15656 Westmoreland County View other branches Phone: 724-842-0951 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer043303887YN043306826YY044011453YN From: To: