505 Area Code: Albuquerque, New Mexico

Northern and central New Mexico is served by the 505 area code, with Albuquerque as its primary city. Albuquerque sits along the Rio Grande in the high desert of central New Mexico, with the Sandia Mountains rising abruptly along the city's eastern edge to elevations above 10,000 feet. The local working economy reflects a substantial federal-research presence (Sandia National Laboratories, Kirtland Air Force Base, and adjacent contractors) alongside the University of New Mexico, healthcare, and a long-standing role as the regional commercial center for much of the state. The 505 footprint extends through Santa Fe (the state capital), Farmington, Gallup, and the surrounding cluster of northern New Mexico communities.

Records linked to 505 numbers in the directory often include Las Cruces, the state's other major city, which lies outside the 505 footprint to the south. The pattern reflects standard public-record dynamics, with phone numbers porting across New Mexico and addresses linked across multiple cities. The directory currently documents 553 distinct prefixes within 505 in detail, a working subset of the prefix population the code carries.

Albuquerque's home values come in below the US median, with median household income running below the national figure. The city's median age sits at the US figure, and population places Albuquerque as the largest city in New Mexico — substantial enough to anchor a regional economy organized around federal research, the university, healthcare, and a steady role as the commercial center for much of the state. The 505 footprint as a whole covers a substantial geographic stretch of the desert Southwest.