Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KR4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KR4. Sorted by availability date — soonest first.
Showing 851– 900 of 1,561
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KR4IYO | FL | 2028-02-03in 505d | 2026-02-03 | Henshaw, Larry M | Cancelled |
| KR4IYP | SC | 2028-02-03in 505d | 2026-02-03 | McCoy, Caleb W | Cancelled |
| KR4IYW | NC | 2028-02-03in 505d | 2026-02-03 | Harnett County AUXCOMM Amateur Radio Club | Cancelled |
| KR4DQE | KY | 2028-02-07in 509d | 2026-02-07 | Banks, Wyatt K | Cancelled |
| KR4GLG | FL | 2028-02-07in 509d | 2026-02-07 | Trombly, Mark | Cancelled |
| KR4GQX | NC | 2028-02-07in 509d | 2026-02-07 | Whitley, Jason P | Cancelled |
| KR4IRO | TN | 2028-02-07in 509d | 2026-02-07 | Cross, Joshua | Cancelled |
| KR4ISO | TN | 2028-02-07in 509d | 2026-02-07 | Knudsen, Jonathan A | Cancelled |
| KR4IUP | AL | 2028-02-10in 512d | 2026-02-10 | White, Jarrod J | Cancelled |
| KR4IVR | GA | 2028-02-10in 512d | 2026-02-10 | Mack, Andrew B | Cancelled |
| KR4IWO | NC | 2028-02-10in 512d | 2026-02-10 | Burns, Paul E | Cancelled |
| KR4JBC | AL | 2028-02-10in 512d | 2026-02-10 | Whisenhunt, Ryan | Cancelled |
| KR4JCU | FL | 2028-02-10in 512d | 2026-02-10 | MOBILE WORKED ALL STATES CLUB | Cancelled |
| KR4HEP | AL | 2028-02-12in 514d | 2026-02-12 | Vaughn, Tucker D | Cancelled |
| KR4JLL | FL | 2028-02-12in 514d | 2026-02-12 | Von Werder, Cole | Cancelled |
| KR4FNE | KY | 2028-02-13in 515d | 2026-02-13 | Supe, Ronald L | Cancelled |
| KR4HWX | FL | 2028-02-13in 515d | 2026-02-13 | Bernagozzi III, Armand E | Cancelled |
| KR4INQ | KY | 2028-02-13in 515d | 2026-02-13 | Grimes, Gregery A | Cancelled |
| KR4EXU | AL | 2028-02-14in 516d | 2026-02-14 | Lancaster, Andrew | Cancelled |
| KR4IUO | TN | 2028-02-14in 516d | 2026-02-14 | Cross, Joseph | Cancelled |
| KR4ICV | AL | 2028-02-18in 520d | 2026-02-18 | Hassell, Scott W | Cancelled |
| KR4IUS | FL | 2028-02-18in 520d | 2026-02-18 | Basler, George | Cancelled |
| KR4JCI | KY | 2028-02-18in 520d | 2026-02-18 | Rierden, Timothy S | Cancelled |
| KR4JFM | TN | 2028-02-18in 520d | 2026-02-18 | Young, Conner D | Cancelled |
| KR4JGN | SC | 2028-02-18in 520d | 2026-02-18 | Stevens Sr, Nolasco R | Cancelled |
| KR4JGQ | VA | 2028-02-18in 520d | 2026-02-18 | Orr, Robert J | Cancelled |
| KR4JGU | GA | 2028-02-18in 520d | 2026-02-18 | IRWIN AMATEUR RADIO CLUB | Cancelled |
| KR4ACD | NC | 2028-02-20in 522d | 2026-02-20 | Neale, Frederick J | Cancelled |
| KR4FNZ | NC | 2028-02-20in 522d | 2026-02-20 | Hartung, Luke B | Cancelled |
| KR4IIT | TN | 2028-02-20in 522d | 2026-02-20 | Larsen, Scott H | Cancelled |
| KR4JGC | VA | 2028-02-20in 522d | 2026-02-20 | DeHaven, Thad R | Cancelled |
| KR4JHP | NC | 2028-02-20in 522d | 2026-02-20 | Hay, Connie | Cancelled |
| KR4JHU | VA | 2028-02-20in 522d | 2026-02-20 | Stein, Thomas | Cancelled |
| KR4JIE | NC | 2028-02-21in 523d | 2026-02-21 | Hare, Patricia A | Cancelled |
| KR4JJC | VA | 2028-02-21in 523d | 2026-02-21 | Mattos, Robert L | Cancelled |
| KR4FPW | NC | 2028-02-23in 525d | 2026-02-23 | Carmichael II, Malcolm S | Cancelled |
| KR4GZV | FL | 2028-02-23in 525d | 2026-02-23 | Genao, Victor R | Cancelled |
| KR4BNH | ME | 2028-02-24in 526d | 2026-02-24 | Portwine, Richard G | Cancelled |
| KR4CGN | GA | 2028-02-24in 526d | 2026-02-24 | Maxwell III, James F | Cancelled |
| KR4CPZ | TN | 2028-02-24in 526d | 2026-02-24 | Kulkarni, Rajesh | Cancelled |
| KR4EDK | AL | 2028-02-24in 526d | 2026-02-24 | Kreps, Andrew S | Cancelled |
| KR4HPN | VA | 2028-02-24in 526d | 2026-02-24 | Cox, Christopher | Cancelled |
| KR4HUX | NC | 2028-02-24in 526d | 2026-02-24 | Barta, Chris E | Cancelled |
| KR4IEI | NC | 2028-02-24in 526d | 2026-02-24 | Waln, Benjamin A | Cancelled |
| KR4IZV | AL | 2028-02-24in 526d | 2026-02-24 | Thomas, David B | Cancelled |
| KR4JAA | GA | 2028-02-24in 526d | 2026-02-24 | Boros Jr, Terrence L | Cancelled |
| KR4JDL | GA | 2028-02-24in 526d | 2026-02-24 | Trevino, Anthony C | Cancelled |
| KR4JGR | VA | 2028-02-24in 526d | 2026-02-24 | Kellihan, Bret | Cancelled |
| KR4JHX | GA | 2028-02-24in 526d | 2026-02-24 | Hersker, Steven | Cancelled |
| KR4JIM | VA | 2028-02-24in 526d | 2026-02-24 | Lassman, Aaron C | Cancelled |