Aragon is an unincorporated community on the Tularosa River in Catron County, New Mexico. It is on the site of former Fort Tularosa (1872 - 1874), which was built to protect the Indian Agency from the Ojo Caliente Band of Apaches. The town was named after the old Spanish family that lives in the area. It has a post office which was established in 1906; its ZIP Code is 87820. The latitude is 33.88 N, longitude 108.54 W. The population of Aragon is 78. Catron County is a county located in the state of New Mexico. ... Mr. ... Latitude, usually denoted symbolically by the Greek letter phi, , gives the location of a place on Earth north or south of the equator. ... Longitude, sometimes denoted by the Greek letter λ (lambda),[1][2] describes the location of a place on Earth east or west of a north-south line called the Prime Meridian. ...