Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KC3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC3. Sorted by availability date — soonest first.
Showing 1– 50 of 1,264
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3ZRU | MD | 2026-09-09 now | 2024-09-09 | Cragg, Andrew | Terminated |
| KC3ZNR | PA | 2026-09-10in 1d | 2024-09-10 | Miner, Micah J | Cancelled |
| KC3ZQJ | PA | 2026-09-10in 1d | 2024-09-10 | Tracy, Donald P | Cancelled |
| KC3MJH | MD | 2026-09-13in 4d | 2024-09-13 | Hahn, Mark J | Cancelled |
| KC3WYD | PA | 2026-09-13in 4d | 2024-09-13 | Lambert IV, Michael T | Cancelled |
| KC3ZPN | MD | 2026-09-13in 4d | 2024-09-13 | Frederiksen, Jack E | Cancelled |
| KC3UTQ | PA | 2026-09-17in 8d | 2024-09-17 | Stevens II, Scudder G | Cancelled |
| KC3WTR | PA | 2026-09-17in 8d | 2024-09-17 | Matos, Jayson J | Cancelled |
| KC3ZLS | PA | 2026-09-17in 8d | 2024-09-17 | Brightbill, Robert K | Cancelled |
| KC3ZQS | pa | 2026-09-17in 8d | 2024-09-17 | Bianco, Carmen D | Cancelled |
| KC3WJV | DE | 2026-09-21in 12d | 2024-09-21 | GREY JR, ROBERT C | Cancelled |
| KC3ZMT | PA | 2026-09-21in 12d | 2024-09-21 | Hoffman, Sean | Cancelled |
| KC3ZNW | PA | 2026-09-21in 12d | 2024-09-21 | Israel, Michael A | Cancelled |
| KC3ZPV | PA | 2026-09-21in 12d | 2024-09-21 | Chandler, Lawrence W | Cancelled |
| KC3ZRF | PA | 2026-09-24in 15d | 2024-09-24 | WECHSLER II, BENJAMIN B | Cancelled |
| KC3ZRN | PA | 2026-09-24in 15d | 2024-09-24 | Kwiatkowski, Mitch | Cancelled |
| KC3ZRX | PA | 2026-09-24in 15d | 2024-09-24 | Riley, Jared | Cancelled |
| KC3ZKW | PA | 2026-10-01in 22d | 2024-10-01 | MACNAUGHTON, CHRISTOPHER J | Cancelled |
| KC3GPB | PA | 2026-10-04in 25d | 2024-10-04 | Molly And Friends ARC | Cancelled |
| KC3ZTD | PA | 2026-10-04in 25d | 2024-10-04 | Lahr, Christopher E | Cancelled |
| KC3ZTP | MD | 2026-10-08in 29d | 2024-10-08 | CARPENTER, BRETT J | Cancelled |
| KC3ZTR | MD | 2026-10-08in 29d | 2024-10-08 | Strother, Antoinette K | Cancelled |
| KC3ZUA | PA | 2026-10-08in 29d | 2024-10-08 | Street, Brad C | Cancelled |
| KC3KGE | PA | 2026-10-09in 30d | 2024-10-09 | Palmer, Robert B | Cancelled |
| KC3KCR | PA | 2026-10-11in 32d | 2024-10-11 | Helfrich, Nicholas T | Cancelled |
| KC3ZSZ | DE | 2026-10-11in 32d | 2024-10-11 | BUCHTA, CHARLES H | Cancelled |
| KC3ZUO | MD | 2026-10-11in 32d | 2024-10-11 | CITRO, FRANCIS J | Cancelled |
| KC3LC | MD | 2026-10-12in 33d | 2022-10-13 | LANZER, FRANCIS P | Expired |
| KC3ZVH | PA | 2026-10-12in 33d | 2024-10-12 | Vincent, Scott | Cancelled |
| KC3ZRW | PA | 2026-10-16in 37d | 2024-10-16 | High, Zachary E | Cancelled |
| KC3ZSV | PA | 2026-10-16in 37d | 2024-10-16 | Negley III, John L | Cancelled |
| KC3ZRJ | PA | 2026-10-18in 39d | 2024-10-18 | Petty, Sean R | Cancelled |
| KC3CXR | PA | 2026-10-22in 43d | 2024-10-22 | Rheam, Kurt M | Cancelled |
| KC3YCY | PA | 2026-10-22in 43d | 2024-10-22 | Parker, Tim | Cancelled |
| KC3ZSQ | MD | 2026-10-22in 43d | 2024-10-22 | CENTRAL MARYLAND DX CLUB | Cancelled |
| KC3ZWI | PA | 2026-10-22in 43d | 2024-10-22 | Koshinski, John J | Cancelled |
| KC3ZWJ | PA | 2026-10-22in 43d | 2024-10-22 | Gallagher, Patrick W | Cancelled |
| KC3ZTI | PA | 2026-10-25in 46d | 2024-10-25 | Perkiomen School Radio Club | Cancelled |
| KC3ZVB | MD | 2026-10-25in 46d | 2024-10-25 | Kupinsky, Stuart H | Cancelled |
| KC3ZSW | PA | 2026-10-29in 50d | 2024-10-29 | Fry, Charles D | Cancelled |
| KC3WUM | MD | 2026-11-02in 54d | 2024-11-02 | Jennings, Ryan S | Cancelled |
| KC3ZEW | PA | 2026-11-02in 54d | 2024-11-02 | Cseh, Joseph R | Cancelled |
| KC3ZXW | MD | 2026-11-05in 57d | 2024-11-05 | Lombardi, Patricia K | Cancelled |
| KC3ZYU | PA | 2026-11-05in 57d | 2024-11-05 | Spreha, Jon | Cancelled |
| KC3ZSM | DE | 2026-11-08in 60d | 2024-11-08 | SHEEN, YOUNGLUCK | Cancelled |
| KC3ZWB | PA | 2026-11-08in 60d | 2024-11-08 | Jennings, Ryan D | Cancelled |
| KC3ZXS | PA | 2026-11-09in 61d | 2024-11-09 | Boda, Emily | Cancelled |
| KC3VGC | PA | 2026-11-12in 64d | 2024-11-12 | MATCUK, ROBERT | Cancelled |
| KC3ZWL | MD | 2026-11-12in 64d | 2024-11-12 | Buynak, Jason P | Cancelled |
| KC3OQY | MD | 2026-11-13in 65d | 2024-11-13 | SUGAR, PHILIP M | Cancelled |