http://www.opencarry.org/state-info-n-s/new-mexico/
http://www.handgunlaw.us/states/newmexico.pdf
Places Off-Limits Even With a Permit/License
In New Mexico, licensees can only carry one concealed handgun at any time. It is legal to carry more than one firearm. However, only one firearm may be concealed on your person at a time. This restriction does not apply to firearms carried in your vehicles, on or off your person.
You may NOT carry a handgun, openly or concealed, in:
- Schools...except in vehicle if older than 19 (30-7-2.1 NMSA 1978, fourth degree felony)
- University Premises...except in vehicle if older than 19 (30-7-2.4 NMSA 1978 petty misdemeanor)
- Preschools (29-19-8 NMSA 1978)
- Courts (29-19-11 NMSA 1978, without the consent of the presiding judge) Court means: any Federal, State, County, Municipal, or Tribal Court;
- Tribal Land (29-19-10, NMSA, unless authorized by the governing body of the tribe or pueblo)
- Public buses (30-7-13 NMSA 1978, misdemeanor)
- Airport security zones
- Federal Properties...Military Bases, Courthouse, etc.
- National Parks and National Wildlife Management Areas are OK if you have a NM Permit/License to Carry or a Permit/License valid in New Mexico.
- On private property where the owner has posted signs indicating that you may not carry or if the owner tells you that you cannot