Aberdeen (ABR)
Abilene (ABI)
Adak Island (ADK)
Akhiok (AKK)
Akron/Canton (CAK)
Akutan (KQA)
Alakanuk (AUK)
Alamosa (ALS)
Albany (ALB)
Albany (ABY)
Albuquerque (ABQ)
Alexandria (AEX)
Allakaket (AET)
Allentown (ABE)
Alliance (AIA)
Alpena (APN)
Altoona (AOO)
Amarillo (AMA)
Ambler (ABL)
Anaktuvuk Pass (AKP)
Anchorage (ANC)
Angoon (AGN)
Aniak (ANI)
Appleton (ATW)
Arcata/Eureka (ACV)
Arctic Village (ARC)
Asheville/Hendersonville (AVL)
Aspen (ASE)
Atka (AKB)
Atlanta (ATL)
Atlantic City (ACY)
Atmautluak (ATT)
Atqasuk (ATK)
Augusta (AGS)
Augusta (AUG)
Austin (AUS)
Bakersfield (BFL)
Baltimore (BWI)
Bangor (BGR)
Bar Harbor (BHB)
Barrow (BRW)
Barter Island (BTI)
Baton Rouge (BTR)
Beaumont/Port Arthur (BPT)
Beaver (WBQ)
Beckley (BKW)
Belleville (BLV)
Bellingham (BLI)
Bemidji (BJI)
Bethel (BET)
Bettles (BTT)
Billings (BIL)
Binghamton (BGM)
Birch Creek (KBC)
Birmingham (BHM)
Bishop (BIH)
Bismarck (BIS)
Bloomington/Normal (BMI)
Boca Raton (BCT)
Boise (BOI)
Boston Logan (BOS)
Boulder City, Las Vegas (BLD)
Bozeman (BZN)
Bradford (BFD)
Brainerd (BRD)
Brevig Mission (KTS)
Bristol/Johnson/Kingsport (TRI)
Brownsville (BRO)
Brunswick (BQK)
Buckland (BKC)
Buffalo (BUF)
Burbank (BUR)
Burlington (BTV)
Burlington (BRL)
Butte (BTM)
C.B. Wheeler Downtown, Kansas City (MKC)
Camp San Luis Obispo (CSL)
Cape Girardeau (CGI)
Cape Lisburne (LUR)
Carlsbad (CNM)
Casper (CPR)
CBX Station, San Diego (TJX)
Cedar City (CDC)
Cedar Rapids (CID)
Central (CEM)
Chadron (CDR)
Chalkyitsik (CIK)
Champaign/Urbana (CMI)
Charleston (CRW)
Charleston (CHS)
Charlotte (CLT)
Charlottesville (CHO)
Chattanooga (CHA)
Chefornak (CYF)
Chenega (NCN)
Chevak (VAK)
Cheyenne (CYS)
Chicago O'Hare (ORD)
Chicago/Rockford (RFD)
Chicken (CKX)
Chignik (KCG)
Chignik Lagoon (KCL)
Chignik Lake (KCQ)
Chisana (CZN)
Cincinnati (CVG)
Circle (IRC)
Clarks Point (CLP)
Clarksburg (CKB)
Cleveland (CLE)
Clovis (CVN)
Cody (COD)
Coffman Cove (KCC)
Cold Bay (CDB)
College Station (CLL)
Colorado Springs (COS)
Columbia (CAE)
Columbia (COU)
Columbus (CSG)
Columbus (GTR)
Concord (CCR)
Concord (USA)
Cordova (CDV)
Corpus Christi (CRP)
Cortez (CEZ)
Craig (CGA)
Crescent City (CEC)
Dallas Fort Worth (DFW)
Dayton (DAY)
Daytona Beach (DAB)
Decatur (DEC)
Deering (DRG)
Delta Junction (DJN)
Denver (DEN)
Des Moines (DSM)
Destin Executive, Destin/Fort Walton Beach (DSI)
Destin/Fort Walton Beach (VPS)
Detroit (DTW)
Devils Lake (DVL)
Dickinson (DIK)
Dillingham (DLG)
Dodge City (DDC)
Dothan (DHN)
DuBois (DUJ)
Dulles, Washington (IAD)
Duluth (DLH)
Durango (DRO)
Dutch Harbor (DUT)
Eagle (EAA)
Eastsound (ESD)
Eau Claire (EAU)
Edna Bay (EDA)
Eek (EEK)
Ekwok (KEK)
El Dorado (ELD)
El Paso (ELP)
Elfin Cove (ELV)
Elim (ELI)
Elko (EKO)
Elmira/Corning (ELM)
Emmonak (EMK)
Erie (ERI)
Escanaba (ESC)
Eugene (EUG)
Evansville (EVV)
Everett (PAE)
Fairbanks (FAI)
False Pass (KFP)
Fargo (FAR)
Fayetteville (FAY)
Fayetteville/Springdale (XNA)
Flagstaff Pulliam, Grand Canyon (FLG)
Flint (FNT)
Florence (FLO)
Fort Dodge (FOD)
Fort Lauderdale (FLL)
Fort Leonard Wood (TBN)
Fort Myers (RSW)
Fort Smith (FSM)
Fort Wayne (FWA)
Fort Worth (AFW)
Fort Yukon (FYU)
Fresno (FAT)
Friday Harbor (FRD)
Gainesville (GNV)
Galena (GAL)
Gallup (GUP)
Gambell (GAM)
Garden City (GCK)
George Bush, Houston (IAH)
Gillette (GCC)
Glasgow (GGW)
Glendive (GDV)
Golovin (GLV)
Goodnews Bay (GNU)
Grand Canyon Park (GCN)
Grand Canyon West (GCW)
Grand Forks (GFK)
Grand Island (GRI)
Grand Junction (GJT)
Grand Rapids (GRR)
Great Falls (GTF)
Green Bay (GRB)
Greensboro/High Point (GSO)
Greenville (PGV)
Greenville (GLH)
Greenville/Spartanburg (GSP)
Gulfport/Biloxi (GPT)
Gunnison (GUC)
Gustavus (GST)
Hagerstown (HGR)
Hailey/Sun Valley (SUN)
Haines (HNS)
Hana (HNM)
Hancock (CMX)
Harlingen (HRL)
Harrisburg (MDT)
Harrison (HRO)
Hartford (BDL)
Hattiesburg/Laurel (PIB)
Havre (HVR)
Hawthorne (HHR)
Hayden (HDN)
Hays (HYS)
Healy Lake (HKB)
Helena (HLN)
Hibbing/Chisholm (HIB)
Hilo (ITO)
Hilton Head Island (HHH)
Hobbs (HOB)
Hollis (HYL)
Homer (HOM)
Honolulu (HNL)
Hoolehua (MKK)
Hoonah (HNH)
Hooper Bay (HPB)
Hot Springs (HOT)
Houston Hobby (HOU)
Hughes (HUS)
Huntington (HTS)
Huntsville (HSV)
Huslia (HSL)
Hyannis (HYA)
Hydaburg (HYG)
Hyder (WHD)
Idaho Falls (IDA)
Iliamna (ILI)
Imperial/El Centro (IPL)
Indianapolis (IND)
International Falls (INL)
Iron Mountain/Kingsfield (IMT)
Ironwood (IWD)
Islip (ISP)
Ithaca (ITH)
Jackson (JAN)
Jackson (JAC)
Jackson (MKL)
Jacksonville (JAX)
Jacksonville (OAJ)
Jacksonville Naval Air Station (Towers Field) (NIP)
Jamestown (JMS)
John Glenn Columbus (CMH)
Johnstown (JST)
Jonesboro (JBR)
Joplin (JLN)
Juneau (JNU)
Kahului (OGG)
Kake (KAE)
Kalamazoo/Battle Creek (AZO)
Kalaupapa (LUP)
Kalispell (FCA)
Kaltag (KAL)
Kamuela (MUE)
Kansas City (MCI)
Kapalua (JHM)
Karluk (KYK)
Kasaan (KXA)
Kasigluk (KUK)
Kearney (EAR)
Kenai (ENA)
Ketchikan (KTN)
Key West (EYW)
Kiana (IAN)
Killeen/Fort Hood (GRK)
King County, Seattle (BFI)
King Cove (KVC)
King Salmon (AKN)
Kipnuk (KPN)
Kirksville (IRK)
Kivalina (KVL)
Klawock (KLW)
Knoxville (TYS)
Kobuk (OBU)
Kodiak (ADQ)
Kokhanok (KNK)
Koliganek (KGK)
Kona (KOA)
Kongiganak (KKH)
Kotlik (KOT)
Kotzebue (OTZ)
Koyuk (KKA)
Koyukuk (KYU)
Kwigillingok (KWK)
La Crosse (LSE)
Lafayette (LAF)
Lafayette (LFT)
Lake Charles (LCH)
Lake Minchumina (LMA)
Lake Union Sea Plane Base, Seattle (LKE)
Lakeland (LAL)
Lanai City (LNY)
Lancaster (LNS)
Lansing (LAN)
Laramie (LAR)
Laredo (LRD)
Larsen Bay (KLN)
Las Cruces (LRU)
Las Vegas Harry Reid (LAS)
Latrobe (LBE)
Lawton/Fort Sill (LAW)
Lebanon (LEB)
Levelock (KLL)
Lewisburg (LWB)
Lewiston (LWS)
Lexington (LEX)
Liberal (LBL)
Lihue (LIH)
Lincoln (LNK)
Little Rock (LIT)
Long Beach (LGB)
Longview (GGG)
Los Angeles (LAX)
Louisville (SDF)
Love Field, Dallas (DAL)
Lubbock (LBB)
Lynchburg (LYH)
Macon (MCN)
Madison (MSN)
Mammoth Lakes (MMH)
Manchester (MHT)
Manhattan (MHK)
Manistee (MBL)
Manley Hot Springs (MLY)
Manokotak (KMO)
Marion (MWA)
Marquette (MQT)
Marshall (MLL)
Martha's Vineyard (MVY)
Mason City (MCW)
Massena (MSS)
McAllen/Mission (MFE)
McClellan-Palomar, San Diego (CLD)
McCook (MCK)
Medford (MFR)
Mekoryuk (MYU)
Melbourne (MLB)
Memphis (MEM)
Merced (MCE)
Meridian (MEI)
Metlakatla (MTM)
Miami (MIA)
Miami-Opa Locka Executive (OPF)
Midland (MAF)
Midway, Chicago (MDW)
Milwaukee (MKE)
Minneapolis/Saint Paul (MSP)
Minot (MOT)
Minto (MNT)
Missoula (MSO)
Moab (CNY)
Mobile Downtown (BFM)
Mobile Regional (MOB)
Moline (MLI)
Monroe (MLU)
Monterey/Carmel (MRY)
Montgomery (MGM)
Montrose (MTJ)
Morgantown (MGW)
Morristown (MMU)
Mountain Village (MOU)
Muscle Shoals/Florence (MSL)
Muskegon (MKG)
Myrtle Beach (MYR)
Nantucket (ACK)
Napakiak (WNA)
Napaskiak (PKA)
Naples (APF)
Nashville (BNA)
Naukiti Bay (NKI)
Nelson Lagoon (NLG)
New Bedford/Fall River (EWB)
New Bern (EWN)
New Haven (HVN)
New Orleans (MSY)
New Stuyahok (KNW)
New York John F. Kennedy (JFK)
New York LaGuardia (LGA)
Newark Liberty, New York (EWR)
Newport News/Williamsburg (PHF)
Newtok (WWT)
Niagara Falls (IAG)
Nightmute (NME)
Nikolski (IKO)
Noatak (WTK)
Nome (OME)
Nondalton (NNL)
Noorvik (ORV)
Norfolk (ORF)
North Bend (OTH)
North Platte (LBF)
Northway (ORT)
Nuiqsut (NUI)
Nulato (NUL)
Nunam Iqua (SXP)
Nunapitchuk (NUP)
Oakland (OAK)
Ogden (OGD)
Ogdensburg (OGS)
Oklahoma City (OKC)
Old Harbor (OLH)
Omaha (OMA)
Ontario, Los Angeles (ONT)
Orlando (MCO)
Orlando Sanford (SFB)
Ouzinkie (KOZ)
Owensboro (OWB)
Paducah (PAH)
Page (PGA)
Palm Springs (PSP)
Panama City (ECP)
Parkersburg (PKB)
Pasco (PSC)
Pedro Bay (PDB)
Pelican (PEC)
Pellston (PLN)
Pendleton (PDT)
Pensacola (PNS)
Peoria (PIA)
Perryville (KPV)
Petersburg (PSG)
Philadelphia (PHL)
Phoenix Sky Harbor (PHX)
Phoenix-Mesa Gateway (AZA)
Pierre (PIR)
Pilot Point (PIP)
Pilot Station (PQS)
Pittsburgh (PIT)
Platinum (PTU)
Plattsburgh (PBG)
Pocatello (PIH)
Point Baker (KPB)
Point Hope (PHO)
Point Lay (PIZ)
Pontiac (PTK)
Port Alsworth (PTA)
Port Heiden (PTH)
Port Lions (ORI)
Port Moller (PML)
Port Protection (PPV)
Portland (PDX)
Portland (PWM)
Portsmouth Pease, Boston (PSM)
Prescott (PRC)
Presque Isle (PQI)
Providence (PVD)
Provincetown (PVC)
Provo (PVU)
Prudhoe Bay/Deadhorse (SCC)
Pueblo (PUB)
Pullman WA/Moscow ID (PUW)
Punta Gorda (PGD)
Quincy (UIN)
Quinhagak (KWN)
Raleigh/Durham (RDU)
Rampart (RMP)
Rapid City (RAP)
Red Dog (RDB)
Redding (RDD)
Redmond/Bend (RDM)
Reno (RNO)
Rhinelander (RHI)
Richmond (RIC)
Rickenbacker, Columbus (LCK)
Rifle (RIL)
Riverside (RIV)
Riverton (RIW)
Roanoke (ROA)
Rochester (ROC)
Rochester (RST)
Rock Springs (RKS)
Rockland (RKD)
Rocky Mountain Metropolitan, Denver (BJC)
Ronald Reagan Washington (DCA)
Roswell (ROW)
Ruby (RBY)
Rutland (RUT)
Sacramento (SMF)
Saginaw/Midland/Bay City (MBS)
Saint Cloud (STC)
Saint George (SGU)
Saint George Island (STG)
Saint Louis (STL)
Saint Mary's (KSM)
Saint Michael (SMK)
Saint Paul Island (SNP)
Saint Pete-Clearwater, Tampa (PIE)
Salem (SLE)
Salina (SLN)
Salisbury/Ocean City (SBY)
Salt Lake City (SLC)
San Angelo (SJT)
San Antonio (SAT)
San Bernardino (SBD)
San Carlos (SQL)
San Diego (SAN)
San Francisco (SFO)
San Jose (SJC)
San Luis Obispo (SBP)
Sand Point (SDP)
Santa Ana (SNA)
Santa Barbara (SBA)
Santa Fe (SAF)
Santa Maria (SMX)
Santa Rosa (STS)
Saranac Lake (SLK)
Sarasota/Bradenton (SRQ)
Sault Sainte Marie (CIU)
Savannah (SAV)
Savoonga (SVA)
Scammon Bay (SCM)
Scottsbluff (BFF)
Scottsdale, Phoenix (SCF)
Seattle-Tacoma (SEA)
Selawik (WLK)
Shaktoolik (SKK)
Sheridan (SHR)
Shishmaref (SHH)
Show Low (SOW)
Shreveport (SHV)
Shungnak (SHG)
Sidney (SDY)
Silver City (SVC)
Sioux City (SUX)
Sioux Falls (FSD)
Sitka (SIT)
Skagway (SGY)
South Bend (SBN)
South Naknek (WSN)
Spokane (GEG)
Springfield (SPI)
Springfield (SGF)
State College (SCE)
Staunton/Waynesboro (SHD)
Stebbins (WBB)
Stevens Village (SVS)
Stewart, New York (SWF)
Stillwater (SWO)
Stockton Metropolitan, Sacramento (SCK)
Syracuse (SYR)
Tallahassee (TLH)
Tampa (TPA)
Tanana (TAL)
Taos (TSM)
Tatitlek (TEK)
Teller (TLA)
Telluride (TEX)
Tenakee Springs (TKE)
Teterboro (TEB)
Texarkana (TXK)
Thief River Falls (TVF)
Thorne Bay (KTB)
Tin City (TNC)
Togiak (TOG)
Tok (TKJ)
Toksook Bay (OOK)
Toledo (TOL)
Topeka (FOE)
Traverse City (TVC)
Trenton-Mercer, Philadelphia (TTN)
Truckee (TKF)
Tucson (TUS)
Tulsa (TUL)
Tuntutuliak (WTL)
Tununak (TNK)
Tupelo (TUP)
Twin Falls (TWF)
Twin Hills (TWA)
Tyler (TYR)
Ugashik Bay, Pilot Point (UGB)
Unalakleet (UNK)
Vail/Eagle (EGE)
Valdez (VDZ)
Valdosta (VLD)
Van Nuys, Los Angeles (VNY)
Venetie (VEE)
Vernal (VEL)
Vero Beach (VRB)
Victoria (VCT)
Waco (ACT)
Wainwright (AIN)
Wales (WAA)
Walla Walla (ALW)
Waterloo (ALO)
Watertown (ATY)
Watertown (ART)
Wausau (CWA)
Wenatchee (EAT)
West Palm Beach (PBI)
West Yellowstone (WYS)
Whale Pass (WWP)
White Mountain (WMO)
White Plains (HPN)
Wichita (ICT)
Wichita Falls (SPS)
Wilkes-Barre/Scranton (AVP)
Williamsport (IPT)
Williston (XWA)
Wilmington (ILG)
Wilmington (ILM)
Wolf Point (OLF)
Worcester (ORH)
Wrangell (WRG)
Yakima (YKM)
Yakutat (YAK)
Yuma (YUM)