Colorado
| Site | Code |
|---|
| RIFLE (AWRS) | K1V1 |
| AIR FORCE ACADEMY | KAFF |
| AKRON/WASHINGTON CO | KAKO |
| ALAMOSA MUNI(AWOS) | KALS |
| DENVER/CENTENNIAL | KAPA |
| ASPEN/SARDY FIELD | KASE |
| BROOMFIELD/JEFFCO | KBJC |
| BUCKLEY ANGB/DENVER | KBKF |
| CRAIG-MOFFAT(AMOS)& | KCAG |
| CORTEZ/MONTEZUMA CO | KCEZ |
| COLORADO SPRINGS | KCOS |
| DENVER INTNL ARPT | KDEN |
| DURANGO/LA PLATA CO | KDRO |
| MEEKER | KEEO |
| EAGLE CO. REGIONAL | KEGE |
| FORT CARSON/BUTTS | KFCS |
| FORT COLLINS (AWOS) | KFNL |
| GRAND JUNCTION | KGJT |
| GUNNISON CO. (AWOS) | KGUC |
| GREELEY/WELD (AWOS) | KGXY |
| HAYDEN/YAMPA (AWOS) | KHDN |
| BURLINGTON | KITR |
| LAMAR MUNICIPAL | KLAA |
| LA JUNTA MUNICIPAL | KLHX |
| LIMON MUNICIPAL | KLIC |
| LEADVILLE/LAKE CO.& | KLXV |
| MONTROSE CO. ARPT | KMTJ |
| PUEBLO MEMORIAL(AW) | KPUB |
| RIFLE/GARFIELD RGNL | KRIL |
| STEAMBOAT SPRINGS | KSBS |
| TRINIDAD/ANIMAS CO. | KTAD |
| TELLURIDE REGIONAL | KTEX |