Routing Number

Suffolk Federal and other financial institutions use Routing and Transit numbers to identify particular bank accounts. They usually precede the account number found on the lower left side of your checks and are generally needed for checking purposes, direct deposit, online bill pay and wire transfers.

Suffolk Federal’s Routing and Transit Number: 221481181

Questions? Please call us any time at 631.924.8000 or visit one of our seven convenient branch locations throughout Suffolk County, Long Island, NY.