Are credit union member “shares” much like bank money deposits? Like banks, credit unions accept bank deposits, which are referred to as credit union member shares. Shares are insured by the National Credit Union Association (NCUA) and can deposit anytime you wish with confidence. Contact Us To join a credit union today or for inquiries, contact the Brownsville credit union branch of Valley Federal Credit Union at (956) 546-3108 or the Harlingen branch at (956) 425-5668.