There is no home delivery of mail in Mountainair.
221 West Broadway, Mountainair
open Mon to Fri 8 am-12 noon & 12:30 pm-4:30 pm, Sat- 9 am -12 noon
To get a box, go to the post office with 2 forms of picture ID, such as a passport and driver’s license. You can also set up a box and make payments online at https://poboxes.usps.com/poboxonline/search/landingPage.do