Las Vegas soon prospered as a stop on the Santa Fe Trail. During the Mexican-American War in 1846, Stephen W. Kearny delivered an address at the Plaza of Las Vegas claiming New Mexico for the United States. In 1877 Las Vegas College, the precursor to Regis University, was founded in Las Vegas by a group of exiled Italian Jesuits.
Zip Code 80540 is located in the state of Colorado in the Denver metro area. Zip code 80540 is primarily located in Boulder County. Portions of 80540 are also located in Larimer County. The official US Postal Service name for 80540 is LYONS, Colorado. Portions of zip code 80540 are contained within or border the city limits of Allenspark, CO, Lyons, CO, . Zip code 80540 is within area code 720, area code 303 and area code 970.
ZIP Plus 4 Merrill - US Streets Zip Codes. 1  N Chapin RD. 2  S Chapin RD. 3  E Church ST. 4  W Church ST. 5  Clark ST. 6  Cornwell RD. 7  NE County Line RD. 8  Crawford DR.