Webfind out the routing number for m & t bank in buffalo, ny for ach payments. Learn how to use wise for cheaper and faster international transfers. Full branch info | routing number | swift code. Web031100173 is a routing number used for m & t bank in ny. Learn more about this routing number. Webfind out how to locate your m&t bank routing number, which is 031302955 for pennsylvania and delaware accounts. Learn how to use it for direct deposit, mobile app, check and more. Web221370108 is the current…