The area code 505 is located in Albuquerque, New Mexico.
Area code 505 serves central and northwestern New Mexico, centered on Albuquerque, the state’s largest city. It was established in 1947 as one of the original North American Numbering Plan codes and covered the entire state until a split created area code 575 in 2007. Today, 505 covers the Albuquerque metro, the state capital of Santa Fe, and key communities in the northern and Four Corners parts of the state. The region follows the Mountain Time Zone and stretches along the Rio Grande with the Sandia Mountains to the east.
Major cities in area code 505:
Notable places and attractions within 505:
Area code 505 ties together government, education, technology, and tourism in northern New Mexico, from Santa Fe’s arts and history to Albuquerque’s Old Town and university district. Travelers know the corridor for Route 66, while outdoor lovers head for the Sandia foothills and high desert trails nearby. Events like the Albuquerque International Balloon Fiesta bring national attention to the region every fall. Locals often use “the 505” as a regional nickname in business and culture.
Year established: 1947; statewide until split creating 575 in 2007. — North American Numbering Plan Administration (NANPA)
For calling, phone numbers in area code 505 use the standard North American format: 505 + seven digits within the U.S., or +1 505 from abroad. The code has no overlay; areas outside the 505 region in New Mexico use 575. Local time observes MST and MDT during daylight saving. Seeing a 505 number usually signals a connection to Albuquerque, Santa Fe, or nearby northern New Mexico communities.