Complex sentence: Area code 575 is an area code in the state of New Mexico, intended to serve the remainder of the state outside of the Albuquerque, Santa Fe, Farmington, and Gallup metropolitan and micropolitan areas, which remain in area code 505.
Split into simpler sentences: Area code 575 is an area code in the state of New Mexico. It serves the remainder of the state outside of the Albuquerque, Santa Fe, Farmington, and Gallup metropolitan and micropolitan areas, which remain in area code 505.