Amboy Bank, Sayreville Branch Basic Info Reviews Routing Numbers Map & Direction Name: Amboy Bank, Sayreville Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 412 Washington Road Sayreville, New Jersey 08872 Middlesex County View other branches Phone: 732-238-2811 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer021204416YY021206278YN From: To: