1st Source Bank, Laporte West Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Laporte West Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2044 W. St. Rd. 2 La Porte, Indiana 46350 La Porte County View other branches Phone: 219-324-9111 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To: