- Tuscaloosa (TCL)
- Ukiah (UKI)
- Universal City (RND)
- Utopia Creek (UTO)
- Valdez (VDZ)
- Valdosta (VAD)
- Valentine (VTN)
- Valparaiso (VPZ)
- Virginia Beach (NTU)
- Visalia (VIS)
- Waimea (Kamuela) (MUE)
- Wainwright (AIN)
- Warner Robins (WRB)
- Wasilla (WWA)
- Wausau (AUW)
- Wendover (ENV)
- Westerly (WST)
- Westfield (BAF)
- Wheeling (HLG)
- Wichita (IAB)
- Wildwood (WWD)
- Wilmington (ILG)
- Wilmington (ILN)
- Wink (INK)
- Winnemucca (WMC)
- Winslow (INW)
- Winston Salem (INT)
- Woodward (WWR)
- Worland (WRL)
- Wrightstown (WRI)
- Yankton (YKN)
- Youngstown/Warren (YNG)
- Zanesville (ZZV)