Farmers and Merchants Trust Company of Chambersburg, 1901 Ritner Highway Branch Basic Info Reviews Routing Numbers Map & Direction Name: Farmers and Merchants Trust Company of Chambersburg, 1901 Ritner Highway Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1901 Ritner Highway Carlisle, Pennsylvania 17013 Cumberland County View other branches Phone: 717-960-1400 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer031304306YY031310507YN031314707YN From: To: