Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KC3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC3. Sorted by availability date — soonest first.
Showing 1– 50 of 1,270
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3ZTI | PA | 2026-10-25in 1d | 2024-10-25 | Perkiomen School Radio Club | Cancelled |
| KC3ZVB | MD | 2026-10-25in 1d | 2024-10-25 | Kupinsky, Stuart H | Cancelled |
| KC3ZSW | PA | 2026-10-29in 5d | 2024-10-29 | Fry, Charles D | Cancelled |
| KC3WUM | MD | 2026-11-02in 9d | 2024-11-02 | Jennings, Ryan S | Cancelled |
| KC3ZEW | PA | 2026-11-02in 9d | 2024-11-02 | Cseh, Joseph R | Cancelled |
| KC3ZXW | MD | 2026-11-05in 12d | 2024-11-05 | Lombardi, Patricia K | Cancelled |
| KC3ZYU | PA | 2026-11-05in 12d | 2024-11-05 | Spreha, Jon | Cancelled |
| KC3ZSM | DE | 2026-11-08in 15d | 2024-11-08 | SHEEN, YOUNGLUCK | Cancelled |
| KC3ZWB | PA | 2026-11-08in 15d | 2024-11-08 | Jennings, Ryan D | Cancelled |
| KC3ZXS | PA | 2026-11-09in 16d | 2024-11-09 | Boda, Emily | Cancelled |
| KC3VGC | PA | 2026-11-12in 19d | 2024-11-12 | MATCUK, ROBERT | Cancelled |
| KC3ZWL | MD | 2026-11-12in 19d | 2024-11-12 | Buynak, Jason P | Cancelled |
| KC3OQY | MD | 2026-11-13in 20d | 2024-11-13 | SUGAR, PHILIP M | Cancelled |
| KC3QCH | PA | 2026-11-13in 20d | 2024-11-13 | Peles, Jeremy I | Cancelled |
| KC3ZVI | MD | 2026-11-13in 20d | 2024-11-13 | Bryant, Jeffrey A | Cancelled |
| KC3ZVJ | MD | 2026-11-13in 20d | 2024-11-13 | Bryant, Sonia R | Cancelled |
| KC3ZXV | MD | 2026-11-13in 20d | 2024-11-13 | Maryland Radio Outdoors | Cancelled |
| KC3ZZN | MD | 2026-11-13in 20d | 2024-11-13 | Roig-Compton, Aida E | Cancelled |
| KC3ZYW | DE | 2026-11-14in 21d | 2024-11-14 | STATON, ROBERT | Cancelled |
| KC3ZTY | PA | 2026-11-15in 22d | 2024-11-15 | Kleppinger, Andrew | Cancelled |
| KC3ZYJ | PA | 2026-11-16in 23d | 2024-11-16 | Fisher Jr, Larry A | Cancelled |
| KC3PEF | PA | 2026-11-19in 26d | 2024-11-19 | Kosherzenko, Timothy | Cancelled |
| KC3ZVS | PA | 2026-11-22in 29d | 2024-11-22 | Siefring, Mark | Cancelled |
| KC3ZVV | PA | 2026-11-22in 29d | 2024-11-22 | Hamrick, Jeremy A | Cancelled |
| KC3ZQG | PA | 2026-11-26in 33d | 2024-11-26 | Rudon, David B | Cancelled |
| KC3ZXN | MD | 2026-11-26in 33d | 2024-11-26 | Hupfer, Patricia L | Cancelled |
| KC3ZYH | PA | 2026-11-30in 37d | 2024-11-30 | Becker, Bettina | Cancelled |
| KC3WXI | PA | 2026-12-02in 39d | 2024-12-02 | Lodder, Ruth L | Cancelled |
| KC3OXN | PA | 2026-12-06in 43d | 2024-12-06 | Heath, James D | Cancelled |
| KC3WLF | PA | 2026-12-07in 44d | 2024-12-07 | Wolfe, Shawn R | Cancelled |
| KC3ZPW | MD | 2026-12-10in 47d | 2024-12-10 | White, Sloane K | Cancelled |
| KC3ZQO | PA | 2026-12-10in 47d | 2024-12-10 | Novick, Daniel | Cancelled |
| KC3WBI | PA | 2026-12-16in 53d | 2024-12-16 | Meister, Randy | Cancelled |
| KC3ZEE | MD | 2026-12-16in 53d | 2024-12-16 | Hickson Jr, David J | Cancelled |
| KC3ZSI | PA | 2026-12-16in 53d | 2024-12-16 | Gaul Jr, John P | Cancelled |
| KC3ZKU | PA | 2026-12-17in 54d | 2024-12-17 | Swanson Sr, Douglas C | Cancelled |
| KC3ZPI | PA | 2026-12-23in 60d | 2024-12-23 | MILLETICS, TIMOTHY J | Cancelled |
| KC3ZQI | PA | 2026-12-24in 61d | 2024-12-24 | Kraybill, James E | Cancelled |
| KC3CWE | PA | 2026-12-27in 64d | 2022-12-28 | Risbud, Suresh N | Expired |
| KC3TMM | PA | 2026-12-30in 67d | 2024-12-30 | Suders, Jesse | Cancelled |
| KC3ZZY | PA | 2026-12-31in 68d | 2024-12-31 | Lippert, Brady R | Cancelled |
| KC3YWP | PA | 2027-01-02in 70d | 2025-01-02 | Turano Jr, Joseph | Cancelled |
| KC3VQJ | PA | 2027-01-03in 71d | 2025-01-03 | Bumbarger, John | Cancelled |
| KC3TRM | PA | 2027-01-06in 74d | 2025-01-06 | BLEIMAN, MARK | Cancelled |
| KC3ZLZ | PA | 2027-01-07in 75d | 2025-01-07 | Hite, Stephen A | Cancelled |
| KC3QHY | PA | 2027-01-11in 79d | 2025-01-11 | Spearing, Thomas R | Cancelled |
| KC3QFU | CA | 2027-01-13in 81d | 2025-01-13 | Bartlett, Glendon J | Cancelled |
| KC3PEA | PA | 2027-01-27in 95d | 2025-01-27 | Barger Jr., David L | Cancelled |
| KC3RWP | MD | 2027-01-31in 99d | 2025-01-31 | CLAY, JAMES S | Cancelled |
| KC3EJA | PA | 2027-02-01in 100d | 2025-02-01 | Whalen, Dennis R | Cancelled |