ANC Anchorage
BRW Barrow
FAI Fairbanks
JNU Juneau
KTN Ketchikan
ADQ Kodiak
MCG McGrath
OME Nome
VWS Valdez
YAK Yakutat

ANB Anniston
BHM Birmingham
DHN Dothan
HSV Huntsville
MOB Mobile
MGM Montgomery
MSL Muscle Shoals
TCL Tuscaloosa

ELD El Dorado
FYV Fayetteville
FSM Fort Smith
HRO Harrison
HOT Hot Springs
JBR Jonesboro
LIT Little Rock
PBF Pine Bluff
TXK Texarkana

DUG Douglas
FLG Flagstaff
GCN Grand Canyon
PHX Phoenix
PRC Prescott
SOW Show Low
TUS Tucson
INW Winslow
NYL Yuma

BFL Bakersfield
BIH Bishop
BLU Blue Canyon
BLH Blythe
CEC Crescent City
DAG Daggett
ACV Eureka/Arcata
FAT Fresno
IPL Imperial
TVL Lake Tahoe
LAX Los Angeles
MMH Mammoth Lakes
MYV Marysville
MHS Mount Shasta
EED Needles
PMD Palmdale
PRB Paso Robles
RDD Redding
SAC Sacramento
SNS Salinas
SAN San Diego
SFO San Francisco
SJC San Jose
SBA Santa Barbara
SMX Santa Maria
STS Santa Rosa
SCK Stockton
TRM Thermal
UKI Ukiah
VIS Visalia
YOS Yosemite Park

AKO Akron
ALS Alamosa
ASE Aspen
COS Colorado Springs
CEZ Cortez
DEN Denver
DRO Durango
EGE Eagle
FCL Fort Collins
GJT Grand Junction
GUC Gunnison
LHX La Junta
LXV Leadville
LIC Limon
MTJ Montrose
PUB Pueblo
TAD Trinidad

BDR Bridgeport
GON Groton
BDL Hartford

DCA Washington

DOV Dover
ILG Wilmington

AQQ Apalachicola
CEW Crestview
DAB Daytona Beach
FMY Fort Myers
GNV Gainesville
JAX Jacksonville
EYW Key West
LAL Lakeland
MLB Melbourne
MIA Miami
APF Naples
MCO Orlando
PFN Panama City
PNS Pensacola
SRQ Sarasota
TLH Tallahassee
TPA Tampa
TIX Titusville
VRB Vero Beach
PBI West Palm Beach

ABY Albany
AMG Alma
AHN Athens
ATL Atlanta
AGS Augusta
SSI Brunswick
CSG Columbus
MCN Macon
SAV Savannah
VLD Valdosta

ITO Hilo
HNL Honolulu
OGG Kahului
LIH Lihue

BRL Burlington
CID Cedar Rapids
DSM Des Moines
DBQ Dubuque
EST Estherville
FOD Fort Dodge
MCW Mason City
OTM Ottumwa
SUX Sioux City
3SE Spencer
ALO Waterloo

BOI Boise
COE Coeur D'alene
IDA Idaho Falls
LWS Lewiston
MLD Malad City
PIH Pocatello
SUN Sun Valley
TWF Twin Falls

BMI Bloomington
MDH Carbondale
CMI Champaign
ORD Chicago
DEC Decatur
MLI Moline
PIA Peoria
UIN Quincy
RFD Rockford
SPI Springfield

BMG Bloomington
EVV Evansville
FWA Fort Wayne
GYY Gary
IND Indianapolis
LAF Lafayette
MIE Muncie
GUS Peru
SBN South Bend
HUF Terre Haute

CNU Chanute
CNK Concordia
DDC Dodge City
EMP Emporia
GCK Garden City
GLD Goodland
HYS Hays
HLC Hill City
HUT Hutchinson
MHK Manhattan
OJC Olathe
RSL Russell
SLN Salina
TOP Topeka
ICT Wichita

BWG Bowling Green
FTK Fort Knox
HOP Hopkinsville
JKL Jackson
LEX Lexington
LOZ London
SDF Louisville
PAH Paducah

ESF Alexandria
BTR Baton Rouge
POE Fort Polk
HUM Houma
LFT Lafayette
LCH Lake Charles
MLU Monroe
PTN Morgan City
MSY New Orleans
SHV Shreveport

BOS Boston
HYA Hyannis
MVY Marthas Vinyard
ACK Nantucket
CEF Springfield
ORH Worcester

BWI Baltimore
HGR Hagerstown
SBY Salisbury

AUG Augusta
BGR Bangor
BHB Bar Harbor
NHZ Brunswick
CAR Caribou
HUL Houlton
PWM Portland

APN Alpena
BTL Battle Creek
BEH Benton Harbor
DTW Detroit
ESC Escanaba
FNT Flint
GRR Grand Rapids
CMX Houghton
HTL Houghton Lake
IMT Iron Mountain
IWD Ironwood
JXN Jackson
AZO Kalamazoo
CIU Kinross
LAN Lansing
MBL Manistee
MQT Marquette
MNM Menominee
MKG Muskegon
PLN Pellston
MBS Saginaw
Y62 Sault Ste Marie
MTC Selfridge
TVC Traverse City

AXN Alexandria
BJI Bemidji
BRD Brainerd
DTL Detroit Lakes
DLH Duluth
ELO Ely
FRM Fairmont
FFM Fergus Falls
HIB Hibbing
INL Int'l Falls
MKT Mankato
MSP Minneapolis
RWF Redwood Falls
RST Rochester
STC St. Cloud
TVF Thief River Falls
OTG Worthington

CGI Cape Girardeau
COU Columbia
TBN Fort Leonard Woods
JLN Joplin
MCI Kansas City
IRK Kirksville
SZL Knob Noster
SGF Springfield
STJ St. Joseph
STL St. Louis

GLH Greenville
GWO Greenwood
GPT Gulfport
JAN Jackson
MCB McComb
MEI Meridian
HEZ Natchez
PIB Pine Belt Region
TUP Tupelo

BIL Billings
BZN Bozeman
BTM Butte
CTB Cut Bank
GGW Glasgow
GTF Great Falls
HVR Havre
HLN Helena
FCA Kalispell
LWT Lewiston
LVM Livingston
MLS Miles City
MSO Missoula
WEY West Yellowstone

AVL Asheville
HAT Cape Hatteras
CLT Charlotte
FAY Fayetteville
GSO Greensboro
HKY Hickory
ISO Kinston
EWN New Bern
NCA New River
RDU Raleigh-Durham
RWI Rocky Mount
ILM Wilmington

BIS Bismarck
DVL Devils Lake
DIK Dickinson
FAR Fargo
GFK Grand Forks
JMS Jamestown
MOT Minot
ISN Williston

ANW Ainsworth
AIA Alliance
BBW Broken Bow
CDR Chadron
OLU Columbus
FNB Falls City
GRI Grand Island
HSI Hastings
EAR Kearney
LNK Lincoln
OFK Norfolk
LBF North Platte
OMA Omaha
ODX Ord
BFF Scottsbluff
VTN Valentine

CON Concord
LCI Laconia
LEB Lebanon
MHT Manchester
MWN Mount Washington
PSM Portsmouth

ACY Atlantic City
EWR Newark
TTN Trenton

ABQ Albuquerque
CNM Carlsbad
DMN Deming
FMN Farmington
GUP Gallup
HOB Hobbs
LVS Las Vegas
ROW Roswell
SAF Santa Fe
TCS Truth or Consequences
2C2 White Sands

EKO Elko
ELY Ely
LAS Las Vegas
LOL Lovelock
DRA Mercury
RNO Reno
TPH Tonopah
WMC Winnemucca

ALB Albany
BGM Binghamton
BUF Buffalo
ELM Elmira
GFL Glens Falls
ISP Islip
ITH Ithaca
JHW Jamestown
MSS Massena
MSV Monticello
JFK New York
IAG Niagara Falls
PBG Plattsburgh
POU Poughkeepsie
ROC Rochester
SYR Syracuse
UCA Utica
ART Watertown
FOK Westhampton

CAK Akron
CVG Cincinnati
CLE Cleveland
CMH Columbus
DAY Dayton
FDY Findlay
MFD Mansfield
TOL Toledo
YNG Youngstown
ZZV Zanesville

LTS Altus
END Enid
GAG Gage
HBR Hobart
MLC Mcalester
OKC Oklahoma City
PNC Ponca City
TUL Tulsa

AST Astoria
BKE Baker
CVO Corvallis
EUG Eugene
LMT Klamath Falls
MFR Medford
OTH North Bend
PDT Pendleton
PDX Portland
RDM Redmond
RBG Roseburg
SLE Salem
SXT Sexton Summit
DLS The Dalles

ABE Allentown
AOO Altoona
BFD Bradford
DUJ Dubois
ERI Erie
FKL Franklin
CXY Harrisburg
JST Johnstown
LNS Lancaster
LBE Latrobe
PHL Philadelphia
PIT Pittsburgh
RDG Reading
UNV State College
AVP Wilkes Barre
IPT Williamsport

SJU San Juan

BID Block Island
PVD Providence

AND Anderson
NBC Beaufort
CHS Charleston
CAE Columbia
FLO Florence
GSP Greenville
MYR Myrtle Beach
SSC Sumter

ABR Aberdeen
BKX Brookings
HON Huron
MHE Mitchell
PIR Pierre
RAP Rapid City
FSD Sioux Falls
ATY Watertown

TRI Bristol
CHA Chattanooga
CSV Crossville
DYR Dyersburg
MKL Jackson
TYS Knoxville
MEM Memphis
BNA Nashville

ABI Abilene
ALI Alice
AMA Amarillo
AUS Austin
BPT Beaumont
BRO Brownsville
CDS Childress
CLL College Station
CRP Corpus Christi
COT Cotulla
DHT Dalhart
DFW Dallas-Ft. Worth
ELP El Paso
GLS Galveston
HDO Hondo
IAH Houston
LRD Laredo
GGG Longview
LBB Lubbock
LFK Lufkin
MRF Marfa
MFE Mcallen
MAF Midland
MWL Mineral Wells
PSX Palacios
SJT San Angelo
SAT San Antonio
TPL Temple
TYR Tyler
VCT Victoria
ACT Waco
SPS Wichita Falls
INK Wink
  

CDC Cedar City
DPG Dugway Proving
OGD Ogden
PVU Provo
SLC Salt Lake City
VEL Vernal
ENV Wendover

CHO Charlottesville
DAN Danville
LYH Lynchburg
ORF Norfolk
RIC Richmond
ROA Roanoke

BTV Burlington
MPV Montpelier

BLI Bellingham
PWT Bremerton
EPH Ephrata
PAE Everett
HMS Hanford
HQM Hoquiam
OLM Olympia
PSC Pasco
CLM Port Angeles
PUW Pullman
UIL Quillayute
SEA Seattle-Tacoma
GEG Spokane
SMP Stampede Pass
TDO Toledo
ALW Walla Walla
EAT Wenatchee
NUW Whidbey Island
YKM Yakima

VOK Camp Douglas
EAU Eau Claire
GRB Green Bay
LSE La Crosse
LNR Lone Rock
MSN Madison
MKE Milwaukee
CWA Mosinee
OSH Oshkosh
RHI Rhinelander
RIE Rice Lake

BKW Beckley
BLF Bluefield
CRW Charleston
CKB Clarksburg
EKN Elkins
HTS Huntington
LWB Lewisburg
MRB Martinsburg
MGW Morgantown
PKB Parkersburg
HLG Wheeling

CPR Casper
CYS Cheyenne
COD Cody
JAC Jackson
LND Lander
LAR Laramie
RWL Rawlins
RKS Rock Springs
SHR Sheridan
WRL Worland