AA — THOMSON, GA

AA — FARGO, ND

AAA — LINCOLN, IL

AAT — ALTURAS, CA

AB — ABERDEEN, SD

AB — ABILENE, TX

ABG — BIG SANDY, TX

ABI — ABILENE, TX

ABQ — ALBUQUERQUE, NM

ABQ — ALBUQUERQUE, NM

ABR — ABERDEEN, SD

ACE — HOMER, AK

ACH — ANTON CHICO, NM

ACK — NANTUCKET, MA

ACO — AKRON, OH

ACT — WACO, TX

ACV — ARCATA/EUREKA, CA

ACY — ATLANTIC CITY, NJ

ADG — ADRIAN, MI

ADK — ADAK ISLAND, AK

ADM — ARDMORE, OK

ADW — CAMP SPRINGS, MD

AE — ALBUQUERQUE, NM

AEL — ALBERT LEA, MN

AEX — ALEXANDRIA, LA

AFE — KAKE, AK

AFK — NEBRASKA CITY, NE

AG — AUGUSTA, GA

AGC — PITTSBURGH, PA

AGJ — LAMPASAS, TX

AGZ — WAGNER, SD

AHC — HERLONG, CA

AHN — ATHENS, GA

AHQ — WAHOO, NE

AI — ANDERSON, IN

AI — ARDMORE, OK

AIA — ALLIANCE, NE

AIK — AIKEN, SC

AIR — BELLAIRE, OH

AJA — MT MACAJNA, GU

AK — AKRON, OH

AKN — KING SALMON, AK

AKO — AKRON, CO

AKQ — WAKEFIELD, VA

AKW — KLAWOCK, AK

AL — WALLA WALLA, WA

ALB — ALBANY, NY

ALB — ALBANY, NY

ALD — ALLENDALE, SC

ALI — ALICE, TX

ALJ — HINCHINBROOK, AK

ALO — WATERLOO, IA

ALP — ELMIRA, NY

ALS — ALAMOSA, CO

ALW — WALLA WALLA, WA

AM — AMARILLO, TX

AMF — AMBLER, AK

AMG — ALMA, GA

AML — HERNDON, VA

AN — ANNISTON, AL

ANC — ANCHORAGE, AK

ANI — ANIAK, AK

ANN — ANNETTE, AK

ANU — ST JOHNS, ANTIGUA AND BARBUDA

ANV — ANVIK, AK

ANW — AINSWORTH, NE

ANX — NAPOLEON, MO

ANY — ANTHONY, KS

AP — ALPENA, MI

AP — ACTIVE PASS, CANADA

APA — DENVER, CO

APE — APPLETON, OH

APN — ALPENA, MI

AQ — APPLETON, WI

AQE — GREENVILLE, NC

ARD — YARDLEY, PA

ARG — WALNUT RIDGE, AR

ARH — FORT HUACHUCA, AZ

ART — WATERTOWN, NY

ASP — OSCODA, MI

AST — ASTORIA, OR

AST — ASTORIA, OR

AT — DAYTON, OH

ATA — ATLANTA, TX

ATR — WATERLOO, DE

ATY — WATERTOWN, SD

AU — AUGUSTA, ME

AUB — KING SALMON, AK

AUG — AUGUSTA, ME

AUR — SULPHUR, LA

AVE — AVENAL, CA

AW — ARLINGTON, WA

AWK — WAKE ISLAND, QW

AXC — DECATUR, IL

AXN — ALEXANDRIA, MN

AY — WAYCROSS, GA

AYS — WAYCROSS, GA

AZ — KALAMAZOO, MI

AZE — HAZLEHURST, GA

AZN — ST JOSEPH, MO

AZO — KALAMAZOO, MI

AZQ — HAZARD, KY