Allegiance Bank - North Loop Home / Allegiance Bank - North Loop Share: BANKSPLATINUM PARTNER MEMBER Allegiance Bank - North Loop Visit Website 1405 North Loop West Houston, TX 77008 (281) 517-8790 (713) 871-9964 (fax) Visit Our Website LinkedIn Facebook Hours: Lobby Hours 9:00 a.m. - 5:00 p.m. Mon - Fri Drive In Hours 7:30 a.m. - 6:00 p.m. Mon - Fri About Map About Allegiance Bank takes pride in bringing the best and brightest bankers together with a mission to serve the financial needs of growing small to medium-sized businesses in the Houston region. What's Nearby? Distance: 5 10 15 20 25 50 mi.