Investar Bank, Port Allen Branch Basic Info Reviews Routing Numbers Map & Direction Name: Investar Bank, Port Allen Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3761 La Highway 1 South Port Allen, Louisiana 70767 West Baton Rouge County View other branches Phone: 225-448-5906 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065405365YN065405459YY065405527YN From: To:
