Trinidad, CO is currently utilizing one area code which is area code 719. Area Code 719 was created from a split of area code 303 in 1988.
In addition to Trinidad, CO area code 719 serves southeastern Colorado including the larger cities and communities of Canyon City, Colorado Springs, Fountain, Lamar, La Junta, Monument, Pueblo, Security-Widfield and Trinidad in addition to many smaller communities within the service area.
Trinidad, CO is located in Las Animas County and observes the Mountain Time Zone. View our Times by Area Code tool.