KBR HERITAGE FEDERAL CREDIT UNION ROUTING ABA NUMBER. The last reported ABA Number for Kbr Heritage Federal Credit Union is 313084001. According to our bank database, this bank location is a main office and servicing FRB number is 313084001. There are several Kbr Heritage Federal Credit Union routing numbers reported in our bank database. Please call (713) 753-3022 to verify routing number for your bank wire transfer, reorder Kbr Heritage Federal Credit Union checks or setting up direct deposit.