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

KO4-prefix vanity callsigns coming available

Vanity slots whose callsigns start with KO4. Sorted by availability date — soonest first.

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Showing 1– 50 of 181

CallsignStateAvailableLast heldLast holderReleased by
KO4UTLFL2026-09-13in 4d2024-09-13Connelly, Thomas TCancelled
KO4PTLKY2026-09-17in 8d2024-09-17Adams, SeanCancelled
KO4OSBVA2026-09-21in 12d2024-09-21Stacey, Frederick JCancelled
KO4TMCFL2026-09-21in 12d2024-09-21Kemmerlin, JesseCancelled
KO4YVJFL2026-09-24in 15d2024-09-24Elkins, Stanley RCancelled
KO4DHSTN2026-10-01in 22d2022-10-02Sanders, Donald HExpired
KO4FBMI2026-10-05in 26d2022-10-06WEIDLICH, MIMMIEExpired
KO4EVETN2026-10-08in 29d2024-10-08Barker, Edward PCancelled
KO4GZNC2026-10-12in 33d2022-10-13HARDING, CHARLES PExpired
KO4JQNC2026-10-12in 33d2022-10-13Porter, Michael CExpired
KO4DKFL2026-10-15in 36d2022-10-16HILLIARD, ROBERT DExpired
KO4TMSFL2026-10-16in 37d2024-10-16Landrum, Gerald ACancelled
KO4SITN2026-10-17in 38d2022-10-18MAYS, JOHN HExpired
KO4UYJFL2026-10-18in 39d2024-10-18Harrell, Caleb BCancelled
KO4ITENC2026-10-23in 44d2024-10-23POPLIN, DANIEL WCancelled
KO4NLJFL2026-10-25in 46d2024-10-25Johnson, Charles RCancelled
KO4GSWSC2026-11-05in 57d2024-11-05Ferster, Jason BCancelled
KO4UZWVA2026-11-05in 57d2024-11-05SEARS, ASHLEYCancelled
KO4BITTN2026-11-09in 61d2024-11-09BOHN, CASEY ACancelled
KO4HIGFL2026-11-22in 74d2024-11-22Matos, ArmandoCancelled
KO4DVCFL2026-11-30in 82d2024-11-30HERZBERG, JOHN CHARLESCancelled
KO4LCBTN2026-11-30in 82d2024-11-30Hammond, Tommy SCancelled
KO4PQZAL2026-12-03in 85d2024-12-03Hammond, James LCancelled
KO4RCTFL2026-12-03in 85d2024-12-03Wright, Sheldon DCancelled
KO4PGDSC2026-12-10in 92d2024-12-10GERMROTH III, HOWARD GCancelled
KO4BDNC2026-12-11in 93d2022-12-12GLEMBOCKI, THOMAS FExpired
KO4PLJFL2026-12-13in 95d2024-12-13Pugh, BenjaminCancelled
KO4VXDTN2026-12-13in 95d2024-12-13Rushton, Ethan TCancelled
KO4RUPSC2026-12-17in 99d2024-12-17Miller, JerimiCancelled
KO4UXFL2026-12-19in 101d2022-12-20GONZALEZ, JESUS BExpired
KO4NOUNC2026-12-24in 106d2024-12-24Childs, CarterCancelled
KO4JNFFL2026-12-31in 113d2024-12-31Hutchinson, GeraldCancelled
KO4FDMTN2027-01-07in 120d2025-01-07MILLER, FRANK DCancelled
KO4KAJTN2027-01-11in 124d2025-01-11Morris, Timothy SCancelled
KO4WXENC2027-01-11in 124d2025-01-11Parris, Brian JCancelled
KO4VOITN2027-01-14in 127d2025-01-14PICKETT, STEVEN MCancelled
KO4WUBFL2027-01-14in 127d2025-01-14Isak, OlevCancelled
KO4PGEGA2027-01-17in 130d2025-01-17Heyn, Donald RCancelled
KO4HZHKY2027-01-22in 135d2025-01-22Sinclair, John ACancelled
KO4PXLSC2027-01-24in 137d2025-01-24JAMES, ROBERT PCancelled
KO4PXNNC2027-01-24in 137d2025-01-24Henry, John RCancelled
KO4WTGGA2027-01-24in 137d2025-01-24Youmans, Stephen SCancelled
KO4WSLAL2027-01-25in 138d2025-01-25Kruszewski SR, Buck RCancelled
KO4KTLFL2027-01-28in 141d2025-01-28Milian, Charles JCancelled
KO4WZWVA2027-02-01in 145d2025-02-01NESTER, MARSHALL ACancelled
KO4WRANC2027-02-04in 148d2025-02-04Teague, JeffreyCancelled
KO4FKCTN2027-02-08in 152d2025-02-08BURCHFIELD, RUSSELL LCancelled
KO4DIFGA2027-02-14in 158d2025-02-14HEARD, JOSEPH DCancelled
KO4JEGVA2027-02-14in 158d2025-02-14Andrzejewski, ChrisCancelled
KO4WXVKY2027-02-14in 158d2025-02-14ELROD, CHARLES BCancelled