First Bank, Lawrence Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Bank, Lawrence Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 590 Lawrence Square Blvd. South Lawrenceville, New Jersey 08648 Mercer County View other branches Phone: 609-587-3111 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer021214163YN031207924YN031207966YN From: To: