| Napa County (APC) | Napa | CA | Trona to Napa County |
| Apple Valley (APV) | Apple Valley | CA | Trona to Apple Valley |
| Austin (ASQ) | Austin | NV | Trona to Austin |
| Auburn Municipal (AUN) | Auburn | CA | Trona to Auburn Municipal |
| Catalina (AVX) | Avalon | CA | Trona to Catalina |
| Phoenix-Mesa Gateway (AZA) | Phoenix | AZ | Trona to Phoenix-Mesa Gateway |
| Battle Mountain (BAM) | Battle Mountain | NV | Trona to Battle Mountain |
| Bryce Canyon (BCE) | Bryce Canyon | UT | Trona to Bryce Canyon |
| Bullfrog Basin (BFG) | Bullfrog | UT | Trona to Bullfrog Basin |
| Meadows Field (BFL) | Bakersfield | CA | Trona to Meadows Field |
| Bagdad (BGT) | Bagdad | AZ | Trona to Bagdad |
| Bishop Regional (BIH) | Bishop | CA | Trona to Bishop Regional |
| Boulder City Municipal (BLD) | Boulder City | NV | Trona to Boulder City Municipal |
| Blythe (BLH) | Blythe | CA | Trona to Blythe |
| Blue Canyon - Nyack (BLU) | Nevada City | CA | Trona to Blue Canyon - Nyack |
| Banning Municipal (BNG) | Banning | CA | Trona to Banning Municipal |
| Beatty (BTY) | Beatty | NV | Trona to Beatty |
| Hollywood Burbank (BUR) | Burbank | CA | Trona to Hollywood Burbank |
| Brawley Municipal (BWC) | Brawley | CA | Trona to Brawley Municipal |
| Buckeye Municipal (BXK) | Buckeye | AZ | Trona to Buckeye Municipal |
| Borrego Valley (BXS) | Borrego Springs | CA | Trona to Borrego Valley |
| Cable (CCB) | Upland | CA | Trona to Cable |
| Buchanan Field (CCR) | Concord | CA | Trona to Buchanan Field |
| Cedar City Regional (CDC) | Cedar City | UT | Trona to Cedar City Regional |
| Casa Grande Municipal (CGZ) | Casa Grande | AZ | Trona to Casa Grande Municipal |
| Chico Municipal (CIC) | Chico | CA | Trona to Chico Municipal |
| Carlsbad/McClellan-Palomar (CLD) | Carlsbad | CA | Trona to Carlsbad/McClellan-Palomar |
| New Coalinga Municipal (CLG) | Coalinga | CA | Trona to New Coalinga Municipal |
| Cliff Hatfield Memorial (CLR) | Calipatria | CA | Trona to Cliff Hatfield Memorial |
| Chino (CNO) | Chino | CA | Trona to Chino |
| Columbia (COA) | Columbia | CA | Trona to Columbia |
| Compton/Woodley (CPM) | Compton | CA | Trona to Compton/Woodley |
| Carson City (CSN) | Carson City | NV | Trona to Carson City |
| Cottonwood (CTW) | Cottonwood | AZ | Trona to Cottonwood |
| Calexico International (CXL) | Calexico | CA | Trona to Calexico International |
| Barstow-Daggett (DAG) | Daggett | CA | Trona to Barstow-Daggett |
| Delta Municipal (DTA) | Delta | UT | Trona to Delta Municipal |
| Phoenix Deer Valley (DVT) | Phoenix | AZ | Trona to Phoenix Deer Valley |
| Needles (EED) | Needles | CA | Trona to Needles |
| Elko Regional/Harris Field (EKO) | Elko | NV | Trona to Elko Regional/Harris Field |
| Ely/Yelland Field (ELY) | Ely | NV | Trona to Ely/Yelland Field |
| San Gabriel Valley (EMT) | El Monte | CA | Trona to San Gabriel Valley |
| Wendover (ENV) | Wendover | UT | Trona to Wendover |
| Eureka (EUE) | Eureka | NV | Trona to Eureka |
| Yerington Municipal (EYR) | Yerington | NV | Trona to Yerington Municipal |
| Fresno Yosemite International (FAT) | Fresno | CA | Trona to Fresno Yosemite International |
| Fresno Chandler Executive (FCH) | Fresno | CA | Trona to Fresno Chandler Executive |
| Fillmore Municipal (FIL) | Fillmore | UT | Trona to Fillmore Municipal |
| Flagstaff Pulliam (FLG) | Flagstaff | AZ | Trona to Flagstaff Pulliam |
| Fallon Municipal (FLX) | Fallon | NV | Trona to Fallon Municipal |
| Fullerton Municipal (FUL) | Fullerton | CA | Trona to Fullerton Municipal |
| Grand Canyon National Park (GCN) | Grand Canyon | AZ | Trona to Grand Canyon National Park |
| Gansner Field (GNF) | Quincy | CA | Trona to Gansner Field |
| Phoenix Goodyear (GYR) | Goodyear | AZ | Trona to Phoenix Goodyear |
| Half Moon Bay (HAF) | Half Moon Bay | CA | Trona to Half Moon Bay |
| Hawthorne Municipal/Jack Northrop Field (HHR) | Hawthorne | CA | Trona to Hawthorne Municipal/Jack Northrop Field |
| Lake Havasu City (HII) | Lake Havasu City | AZ | Trona to Lake Havasu City |
| Hollister Municipal (HLI) | Hollister | CA | Trona to Hollister Municipal |
| Hemet-Ryan (HMT) | Hemet | CA | Trona to Hemet-Ryan |
| Henderson Executive (HSH) | Las Vegas | NV | Trona to Henderson Executive |
| Hawthorne Industrial (HTH) | Hawthorne | NV | Trona to Hawthorne Industrial |
| Hayward Executive (HWD) | Hayward | CA | Trona to Hayward Executive |
| Laughlin/Bullhead International (IFP) | Bullhead City | AZ | Trona to Laughlin/Bullhead International |
| Kingman (IGM) | Kingman | AZ | Trona to Kingman |
| Winslow-Lindbergh Regional (INW) | Winslow | AZ | Trona to Winslow-Lindbergh Regional |
| Imperial County (IPL) | Imperial | CA | Trona to Imperial County |
| Mesa Del Rey (KIC) | King City | CA | Trona to Mesa Del Rey |
| Kanab Municipal (KNB) | Kanab | UT | Trona to Kanab Municipal |
| Las Vegas/McCarran International (LAS) | Las Vegas | NV | Trona to Las Vegas/McCarran International |
| Los Angeles International (LAX) | Los Angeles | CA | Trona to Los Angeles International |
| Long Beach/Daugherty Field (LGB) | Long Beach | CA | Trona to Long Beach/Daugherty Field |
| Derby Field (LOL) | Lovelock | NV | Trona to Derby Field |
| Lompoc (LPC) | Lompoc | CA | Trona to Lompoc |
| Los Banos Municipal (LSN) | Los Banos | CA | Trona to Los Banos Municipal |
| Livermore Municipal (LVK) | Livermore | CA | Trona to Livermore Municipal |
| Wells Municipal/Harriet Field (LWL) | Wells | NV | Trona to Wells Municipal/Harriet Field |
| Madera Municipal (MAE) | Madera | CA | Trona to Madera Municipal |
| Mc Clellan (MCC) | Sacramento | CA | Trona to Mc Clellan |
| Merced Regional/ Macready Field (MCE) | Merced | CA | Trona to Merced Regional/ Macready Field |
| Castle (MER) | Merced | CA | Trona to Castle |
| Minden-Tahoe (MEV) | Minden | NV | Trona to Minden-Tahoe |
| Mesquite (MFH) | Mesquite | NV | Trona to Mesquite |
| Sacramento Mather (MHR) | Sacramento | CA | Trona to Sacramento Mather |
| Mojave Air And Space Port (MHV) | Mojave | CA | Trona to Mojave Air And Space Port |
| Shafter-Minter Field (MIT) | Shafter | CA | Trona to Shafter-Minter Field |
| Milford Municipal/Ben And Judy Briscoe Field (MLF) | Milford | UT | Trona to Milford Municipal/Ben And Judy Briscoe Field |
| Mammoth Yosemite (MMH) | Mammoth Lakes | CA | Trona to Mammoth Yosemite |
| Modesto City-County/Harry Sham Field (MOD) | Modesto | CA | Trona to Modesto City-County/Harry Sham Field |
| Monterey Regional (MRY) | Monterey | CA | Trona to Monterey Regional |
| Falcon Field (MSC) | Mesa | AZ | Trona to Falcon Field |
| Kayenta (MVM) | Kayenta | AZ | Trona to Kayenta |
| Montgomery-Gibbs Executive (MYF) | San Diego | CA | Trona to Montgomery-Gibbs Executive |
| Marble Canyon (MYH) | Marble Canyon | AZ | Trona to Marble Canyon |
| Yuba County (MYV) | Marysville | CA | Trona to Yuba County |
| Gnoss Field (NOT) | Novato | CA | Trona to Gnoss Field |
| Nephi Munivipal (NPH) | Nephi | UT | Trona to Nephi Munivipal |
| Manti-Ephraim (NTJ) | Manti | UT | Trona to Manti-Ephraim |
| Nervino (NVN) | Beckwourth | CA | Trona to Nervino |
| Metropolitan Oakland International (OAK) | Oakland | CA | Trona to Metropolitan Oakland International |
| Marina Municipal (OAR) | Marina | CA | Trona to Marina Municipal |
| Oceanside Municipal Airport (OCN) | Oceanside | CA | Trona to Oceanside Municipal Airport |
| Oakdale (ODC) | Oakdale | CA | Trona to Oakdale |
| Ontario International (ONT) | Ontario | CA | Trona to Ontario International |
| Oroville Municipal (OVE) | Oroville | CA | Trona to Oroville Municipal |
| Oxnard (OXR) | Oxnard | CA | Trona to Oxnard |
| Palo Alto (PAO) | Palo Alto | CA | Trona to Palo Alto |
| Page Municipal (PGA) | Page | AZ | Trona to Page Municipal |
| Phoenix Sky Harbor International (PHX) | Phoenix | AZ | Trona to Phoenix Sky Harbor International |
| Payson Municipal (PJB) | Payson | AZ | Trona to Payson Municipal |
| Palmdale Regional/Usaf Plant 42 (PMD) | Palmdale | CA | Trona to Palmdale Regional/Usaf Plant 42 |
| Panguitch Municipal (PNU) | Panguitch | UT | Trona to Panguitch Municipal |
| Brackett Field (POC) | La Verne | CA | Trona to Brackett Field |
| Paso Robles Municipal (PRB) | Paso Robles | CA | Trona to Paso Robles Municipal |
| Ernest A. Love Field (PRC) | Prescott | AZ | Trona to Ernest A. Love Field |
| Palm Springs International (PSP) | Palm Springs | CA | Trona to Palm Springs International |
| Porterville Municipal (PTV) | Porterville | CA | Trona to Porterville Municipal |
| Placerville (PVF) | Placerville | CA | Trona to Placerville |
| Polacca (PXL) | Polacca | AZ | Trona to Polacca |
| Riverside Municipal (RAL) | Riverside | CA | Trona to Riverside Municipal |
| Big Bear City (RBF) | Big Bear City | CA | Trona to Big Bear City |
| French Valley (RBK) | Murrieta/Temecula | CA | Trona to French Valley |
| Red Bluff Municipal (RBL) | Red Bluff | CA | Trona to Red Bluff Municipal |
| Reid-Hillview of Santa Clara County (RHV) | San Jose | CA | Trona to Reid-Hillview of Santa Clara County |
| Richfield Municipal (RIF) | Richfield | UT | Trona to Richfield Municipal |
| Flabob (RIR) | Riverside/Rubidoux | CA | Trona to Flabob |
| March Arb (RIV) | Riverside | CA | Trona to March Arb |
| Mariposa-Yosemite (RMY) | Mariposa | CA | Trona to Mariposa-Yosemite |
| Reno/Tahoe International (RNO) | Reno | NV | Trona to Reno/Tahoe International |
| Sacramento Executive (SAC) | Sacramento | CA | Trona to Sacramento Executive |
| San Diego International/Lindbergh Field (SAN) | San Diego | CA | Trona to San Diego International/Lindbergh Field |
| Santa Barbara Municipal (SBA) | Santa Barbara | CA | Trona to Santa Barbara Municipal |
| San Bernardino International (SBD) | San Bernardino | CA | Trona to San Bernardino International |
| Salina-Gunnison (SBO) | Salina | UT | Trona to Salina-Gunnison |
| San Luis County Regional (SBP) | San Luis Obispo | CA | Trona to San Luis County Regional |
| Scottsdale (SCF) | Scottsdale | AZ | Trona to Scottsdale |
| Stockton Metropolitan (SCK) | Stockton | CA | Trona to Stockton Metropolitan |
| Brown Field Municipal (SDM) | San Diego | CA | Trona to Brown Field Municipal |
| Sedona (SDX) | Sedona | AZ | Trona to Sedona |
| Gillespie Field (SEE) | San Diego/El Cajon | CA | Trona to Gillespie Field |
| San Francisco International (SFO) | San Francisco | CA | Trona to San Francisco International |
| St George Regional (SGU) | St George | UT | Trona to St George Regional |
| Norman Y Mineta San Jose International (SJC) | San Jose | CA | Trona to Norman Y Mineta San Jose International |
| Stellar Airpark (SLJ) | Chandler | AZ | Trona to Stellar Airpark |
| Sacramento International (SMF) | Sacramento | CA | Trona to Sacramento International |
| Santa Monica Municipal (SMO) | Santa Monica | CA | Trona to Santa Monica Municipal |
| Capt G Allan Hancock Field/Santa Maria Public (SMX) | Santa Maria | CA | Trona to Capt G Allan Hancock Field/Santa Maria Public |
| John Wayne/Orange County (SNA) | Santa Ana | CA | Trona to John Wayne/Orange County |
| Salinas Municipal (SNS) | Salinas | CA | Trona to Salinas Municipal |
| Santa Ynez (SQA) | Santa Ynez | CA | Trona to Santa Ynez |
| San Carlos (SQL) | San Carlos | CA | Trona to San Carlos |
| Charles M Schulz - Sonoma County (STS) | Santa Rosa | CA | Trona to Charles M Schulz - Sonoma County |
| Susanville Municipal (SVE) | Susanville | CA | Trona to Susanville Municipal |
| Santa Paula Airport (SZP) | Santa Paula | CA | Trona to Santa Paula Airport |
| Tuba City (TBC) | Tuba City | AZ | Trona to Tuba City |
| Truckee-Tahoe (TKF) | Truckee | CA | Trona to Truckee-Tahoe |
| Tulare/Mefford Field (TLR) | Tulare | CA | Trona to Tulare/Mefford Field |
| Twentynine Palms (TNP) | Twentynine Palms | CA | Trona to Twentynine Palms |
| Zamperini Field (TOA) | Torrance | CA | Trona to Zamperini Field |
| Tonopah (TPH) | Tonopah | NV | Trona to Tonopah |
| Jacqueline Cochran Regional (TRM) | Palm Springs | CA | Trona to Jacqueline Cochran Regional |
| Tehachapi Municipal (TSP) | Tehachapi | CA | Trona to Tehachapi Municipal |
| Lake Tahoe (TVL) | South Lake Tahoe | CA | Trona to Lake Tahoe |
| Bermuda Dunes (UDD) | Palm Springs | CA | Trona to Bermuda Dunes |
| Ukiah Municipal (UKI) | Ukiah | CA | Trona to Ukiah Municipal |
| Southern California Logisitics (VCV) | Victorville | CA | Trona to Southern California Logisitics |
| North Las Vegas (VGT) | Las Vegas | NV | Trona to North Las Vegas |
| Visalia Municipal (VIS) | Visalia | CA | Trona to Visalia Municipal |
| Valle- Grand Canyon (VLE) | Grand Canyon | AZ | Trona to Valle- Grand Canyon |
| Van Nuys (VNY) | Van Nuys | CA | Trona to Van Nuys |
| Whiteman (WHP) | Los Angeles | CA | Trona to Whiteman |
| General Wm J Fox Airfield (WJF) | Lancaster | CA | Trona to General Wm J Fox Airfield |
| Willows-Glenn County (WLW) | Willows | CA | Trona to Willows-Glenn County |
| Winnemucca Municipal (WMC) | Winnemucca | NV | Trona to Winnemucca Municipal |
| Watsonville Municipal (WVI) | Watsonville | CA | Trona to Watsonville Municipal |
| Yuma Mcas /Yuma International (YUM) | Yuma | AZ | Trona to Yuma Mcas /Yuma International |
