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Rio Rancho, NM uses one area code which is area code 505. Area code 505 was the original area code assigned to the entire
state of New Mexico, including Rio Rancho, NM when it was implemented in 1947. In 2007 area code 505 was split to form area code 575. Rio Rancho, New Mexico remained in the 505 area code boundaries.
In addition to Rio Rancho, NM other large communities using area code 505 include Albuquerque, Espanola, Farmington, Gallup, Los Lunas, Santa Fe, and South Valley along with many smaller communities in
northwest New Mexico. Rio Rancho, New Mexico does not utilize any area code overlays. |
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