The First National Bank In Trinidad, The First National Bank in Trinidad is a small community bank with branches throughout southern Colorado. The bank also has locations in northern New Mexico, as well. The bank allows customers to establish individualized retirement plans, and conduct banking transactions online and over the phone. The First National Bank in Trinidad provides overdraft protection and 24-hour drive-through automated teller machines. First National Bank in Trinidad publishes a quarterly newsletter called First News. First News readers view articles on area events, businesses and personalities. Headquartered in Trinidad, Colo., the bank has locations in Walsenburg and Huerfano County, Colo., and Raton, N.M.