How about a New Mexico Region?
Airports could include:
KALM Alamogordo-White Sands Regional Airport
KABQ Albuquerque International Sunport
KAEG Double Eagle II Airport
KAXX Angel Fire Airport
13Q Jewett Mesa Airport
KATS Artesia Municipal Airport
N19 Aztec Municipal Airport
E80 Alexander Municipal Airport
KCNM Cavern City Air Terminal
F37 Carrizozo Municipal Airport
KCAO Clayton Municipal Airpark
KCVN Clovis Municipal Airport
E89 Conchas Lake Airport
0E8 Crownpoint Airport
KDMN Deming Municipal Airport
24N Jicarilla Apache Nation Airport
1N1 Sandia Airpark Estates East Airport
E14 Ohkay Owingeh Airport
E92 Estancia Municipal Airport
KFMN Four Corners Regional Airport
KFSU Fort Sumner Municipal Airport
KGUP Gallup Municipal Airport
E94 Glenwood-Catron County Airport
KGNT Grants-Milan Municipal Airport
E05 Hatch Municipal Airport
KHOB Lea County Regional Airport
E26 Lea County (Jal) Airport
KLRU Las Cruces International Airport
KLVS Las Vegas Municipal Airport
E32 Lindrith Airpark
KLSB Lordsburg Municipal Airport
KLAM Los Alamos Airport
E98 Mid Valley Airpark
E06 Lea County-Zip Franklin Memorial Airport
N29 Magdalena Airport
0E0 Moriarty Airport
M10 Mountainair Municipal Airport
1V0 Navajo Lake Airport
KPRZ Portales Municipal Airport
N24 Questa Municipal Airport Nr 2
KRTN Raton Municipal Airport/Crews Field
T16 Reserve Airport
KROW Roswell International Air Center Airport
KSRA Sierra Blanca Regional Airport
KSAF Santa Fe Municipal Airport
KSXU Santa Rosa Route 66 Airport
5T6 Dona Ana County Airport at Santa Teresa
5V5 Shiprock Airstrip
KSVCGrant County Airport
94E Whiskey Creek Airport
KONM Socorro Municipal Airport
S42 Springer Municipal Airport
KSKX Taos Regional Airport
18T Tatum Airport
KTCS Truth or Consequences Municipal Airport
KTCC Tucumcari Municipal Airport
N17 Vaughn Municipal Airport
KZUN Black Rock Airport
Comment what you think and any airports I might have missed. :)