Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC1-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC1. Sorted by availability date — soonest first.
Showing 601– 650 of 1,238
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC1AVP | NH | 2028-03-04in 535d | 2024-03-05 | KELDSEN, KYLE L | Expired |
| KC1AVU | MA | 2028-03-04in 535d | 2024-03-05 | MC DEVITT, JOHN M | Expired |
| KC1AVW | NH | 2028-03-04in 535d | 2024-03-05 | RINES, RICKY C | Expired |
| KC1AVY | MA | 2028-03-04in 535d | 2024-03-05 | ZAIAKOV, VESSELIN | Expired |
| KC1AVZ | FL | 2028-03-04in 535d | 2024-03-05 | Torgersen, David E | Expired |
| KC1AWA | FL | 2028-03-04in 535d | 2024-03-05 | Torgersen, Suzanne C | Expired |
| KC1AWB | MA | 2028-03-04in 535d | 2024-03-05 | Demrest Jr, William E | Expired |
| KC1AWC | RI | 2028-03-04in 535d | 2024-03-05 | Simonini, Rodney S | Expired |
| KC1AWE | ME | 2028-03-04in 535d | 2024-03-05 | Waldron, Gary W | Expired |
| KC1AWI | MA | 2028-03-04in 535d | 2024-03-05 | Orosz, John G | Expired |
| KC1AWK | MA | 2028-03-04in 535d | 2024-03-05 | Zadie, Mark A | Expired |
| KC1AWL | MA | 2028-03-04in 535d | 2024-03-05 | Mejias, Gil | Expired |
| KC1AWU | FL | 2028-03-04in 535d | 2024-03-05 | Dyer Jr, Darrell J | Expired |
| KC1AXA | ME | 2028-03-04in 535d | 2024-03-05 | Barratt, Timothy J | Expired |
| KC1AXD | CT | 2028-03-04in 535d | 2024-03-05 | Gatlin, Serena R | Expired |
| KC1AXE | CT | 2028-03-04in 535d | 2024-03-05 | Jodoin, Robert J | Expired |
| KC1AXF | CT | 2028-03-04in 535d | 2024-03-05 | Adams, Sarah E | Expired |
| KC1AXM | CT | 2028-03-04in 535d | 2024-03-05 | Massaro, David J | Expired |
| KC1AXU | ME | 2028-03-04in 535d | 2024-03-05 | Watkins, Joseph J | Expired |
| KC1AYA | ME | 2028-03-04in 535d | 2024-03-05 | Tracy, Steven P | Expired |
| KC1AYJ | CT | 2028-03-04in 535d | 2024-03-05 | HART, LAWRENCE B | Expired |
| KC1AYR | MA | 2028-03-04in 535d | 2024-03-05 | Mueller, Matthew S | Expired |
| KC1AYS | MA | 2028-03-04in 535d | 2024-03-05 | Wang, Douglas K | Expired |
| KC1AYU | MA | 2028-03-04in 535d | 2024-03-05 | ONEAL, VAUGHN P | Expired |
| KC1AYW | MA | 2028-03-04in 535d | 2024-03-05 | CATULLO, ALEXANDER M | Expired |
| KC1AYZ | CT | 2028-03-04in 535d | 2024-03-05 | Mahoney, Patricia A | Expired |
| KC1AZA | VT | 2028-03-04in 535d | 2024-03-05 | Brusetti, Carolyn D | Expired |
| KC1AZE | ME | 2028-03-04in 535d | 2024-03-05 | Prior, Michael B | Expired |
| KC1AZF | ME | 2028-03-04in 535d | 2024-03-05 | Putnam, Kendall C | Expired |
| KC1AZH | MA | 2028-03-04in 535d | 2024-03-05 | Korkiatthaweechai, Teerawat | Expired |
| KC1AZI | MA | 2028-03-04in 535d | 2024-03-05 | Chalormkai, Pichitchai | Expired |
| KC1AZK | VT | 2028-03-04in 535d | 2024-03-05 | Freedner, Tobias T | Expired |
| KC1AZP | MA | 2028-03-04in 535d | 2024-03-05 | Fitch, Jason R | Expired |
| KC1AZT | CT | 2028-03-04in 535d | 2024-03-05 | Piper, Philip M | Expired |
| KC1AZU | MA | 2028-03-04in 535d | 2024-03-05 | Barbacki, Kyle E | Expired |
| KC1AZV | NH | 2028-03-04in 535d | 2024-03-05 | De Paiva, Lori J | Expired |
| KC1BAF | MA | 2028-03-04in 535d | 2024-03-05 | MacDonald, Richard | Expired |
| KC1BAI | MA | 2028-03-04in 535d | 2024-03-05 | Royston Jr, Dean | Expired |
| KC1BAJ | MA | 2028-03-04in 535d | 2024-03-05 | Solano, Edwin D | Expired |
| KC1BAL | MA | 2028-03-04in 535d | 2024-03-05 | Xu, Jian Y | Expired |
| KC1BAM | MA | 2028-03-04in 535d | 2024-03-05 | Layman, Jared R | Expired |
| KC1BAO | RI | 2028-03-04in 535d | 2024-03-05 | Rocha, Joseph | Expired |
| KC1BAS | NY | 2028-03-04in 535d | 2024-03-05 | GORMAN, JONATHAN | Expired |
| KC1BAU | CT | 2028-03-04in 535d | 2024-03-05 | FONDULAS, TED | Expired |
| KC1BAW | MA | 2028-03-04in 535d | 2024-03-05 | Gately, John P | Expired |
| KC1BAX | NH | 2028-03-04in 535d | 2024-03-05 | Cusato, Joseph R | Expired |
| KC1BBB | NH | 2028-03-04in 535d | 2024-03-05 | Burnim, Todd A | Expired |
| KC1BBD | VT | 2028-03-04in 535d | 2024-03-05 | FINUCANE, ROBERT B | Expired |
| KC1BBF | MA | 2028-03-04in 535d | 2024-03-05 | Martin, Robert F | Expired |
| KC1BBJ | ME | 2028-03-04in 535d | 2024-03-05 | Neri, Ernest P | Expired |