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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KR4-prefix vanity callsigns coming available

Vanity slots whose callsigns start with KR4. Sorted by availability date — soonest first.

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Showing 201– 250 of 1,543

CallsignStateAvailableLast heldLast holderReleased by
KR4CRLFL2027-04-19in 217d2025-04-19Allen, Douglas WCancelled
KR4CSXGA2027-04-19in 217d2025-04-19CLELAND, RYAN ACancelled
KR4CTBFL2027-04-19in 217d2025-04-19Simpson, William HCancelled
KR4CUQSC2027-04-19in 217d2025-04-19Chapin AUX LeagueCancelled
KR4CMWNC2027-04-22in 220d2025-04-22Turinsky, Paul JCancelled
KR4COQFL2027-04-22in 220d2025-04-22Monday, NeilCancelled
KR4CVCTN2027-04-22in 220d2025-04-22Johnson, AprilCancelled
KR4CVDGA2027-04-22in 220d2025-04-22SUROWIEC, JOHN PCancelled
KR4CVLAL2027-04-22in 220d2025-04-22Newman, SusanCancelled
KR4AEDTN2027-04-25in 223d2025-04-25Baxter II, Jeffrey ECancelled
KR4BSCVA2027-04-26in 224d2025-04-26Friedman, Jacob MCancelled
KR4CUDTN2027-04-26in 224d2025-04-26Hammer, BradenCancelled
KR4CWFFL2027-04-26in 224d2025-04-26TRASK, MATTHEW HCancelled
KR4CWHSC2027-04-26in 224d2025-04-26Coffia, Kenneth PCancelled
KR4CXHFL2027-04-26in 224d2025-04-26Wampler Jr, Calvin HCancelled
KR4CXKNC2027-04-26in 224d2025-04-26Acevedo, Felipe ACancelled
KR4CYDVA2027-04-26in 224d2025-04-26Parsons, Donald ECancelled
KR4CZCTN2027-04-26in 224d2025-04-26Gray, Billy JCancelled
KR4DAIFL2027-04-26in 224d2025-04-26Cruz Rod, Rolando JCancelled
KR4DALNC2027-04-26in 224d2025-04-26FICKEN Jr, LARRY LCancelled
KR4CIWFL2027-04-28in 226d2025-04-28Atyeo, JeremyCancelled
KR4CQGTN2027-04-29in 227d2025-04-29Lambert, NicholasCancelled
KR4CTTFL2027-04-29in 227d2025-04-29Pearce, William LCancelled
KR4CWVGA2027-04-29in 227d2025-04-29Walker, JamesCancelled
KR4CYTNC2027-04-29in 227d2025-04-29Makemson, HarlenCancelled
KR4CZUSC2027-04-29in 227d2025-04-29Arsenault, David MCancelled
KR4DASGA2027-04-29in 227d2025-04-29Marshall, Dana LCancelled
KR4BPQFL2027-04-30in 228d2025-04-30Rodgers Jr, John RCancelled
KR4CPDGA2027-05-02in 230d2025-05-02Seargeant, Jeff GCancelled
KR4DDJVA2027-05-02in 230d2025-05-02OSWALD, ROBERT KCancelled
KR4DDPGA2027-05-02in 230d2025-05-02NESERALLA, BRENNANCancelled
KR4DCQFL2027-05-03in 231d2025-05-03American Legion Post 54 ARCCancelled
KR4DFLNC2027-05-03in 231d2025-05-03Hatfield, EricCancelled
KR4DHXFL2027-05-05in 233d2025-05-05Payne, Arlen JCancelled
KR4DKDGA2027-05-05in 233d2025-05-05Morris Jr, David WCancelled
KR4AXKGA2027-05-06in 234d2025-05-06West, Stephen PCancelled
KR4DEIGA2027-05-06in 234d2025-05-06BitByBitHamsCancelled
KR4DFOFL2027-05-06in 234d2025-05-06Rogers, Michael ECancelled
KR4DFRGA2027-05-06in 234d2025-05-06Martin, BrannonCancelled
KR4DGCAL2027-05-06in 234d2025-05-06Munday, Robert WCancelled
KR4DGZTN2027-05-06in 234d2025-05-06Perkins, John CCancelled
KR4DHVFL2027-05-06in 234d2025-05-06Hummel, Jean MCancelled
KR4DHYNC2027-05-06in 234d2025-05-06Brown, Eric CCancelled
KR4DIDVA2027-05-06in 234d2025-05-06Mel Mabry Amateur Radio ClubCancelled
KR4DKTGA2027-05-06in 234d2025-05-06BOWIE SR, JAMES SCancelled
KR4BGBFL2027-05-07in 235d2025-05-07Vinton, RyanCancelled
KR4BLNGA2027-05-08in 236d2025-05-08Shirley, Michael LCancelled
KR4BRINC2027-05-09in 237d2025-05-09Ayers, Charles PCancelled
KR4DEFAL2027-05-09in 237d2025-05-09PEARMAN, FRANK BCancelled
KR4DFHTN2027-05-09in 237d2025-05-09Jennings, Ronald MCancelled