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 501– 550 of 1,238
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC1AMH | MA | 2028-03-04in 536d | 2024-03-05 | NATAOCHI, SHINYA | Expired |
| KC1AMS | ME | 2028-03-04in 536d | 2024-03-05 | Hollister, James B | Expired |
| KC1AMU | NH | 2028-03-04in 536d | 2024-03-05 | Nugent, James G | Expired |
| KC1AMX | RI | 2028-03-04in 536d | 2024-03-05 | Lew, David G | Expired |
| KC1AND | MA | 2028-03-04in 536d | 2024-03-05 | Gingras, Michael C | Expired |
| KC1ANF | RI | 2028-03-04in 536d | 2024-03-05 | Jurczyk, Gayle K | Expired |
| KC1ANH | MA | 2028-03-04in 536d | 2024-03-05 | Preciado Jr, Samuel M | Expired |
| KC1ANL | CT | 2028-03-04in 536d | 2024-03-05 | Rozanski, Dennis E | Expired |
| KC1ANP | MA | 2028-03-04in 536d | 2024-03-05 | Gregory, Jonah P | Expired |
| KC1ANQ | MA | 2028-03-04in 536d | 2024-03-05 | Turman, John M | Expired |
| KC1ANR | MA | 2028-03-04in 536d | 2024-03-05 | McElligott, John J | Expired |
| KC1ANT | CT | 2028-03-04in 536d | 2024-03-05 | GREENMAN, SAAM B | Expired |
| KC1ANV | CT | 2028-03-04in 536d | 2024-03-05 | LaRue, Craig D | Expired |
| KC1AOC | CT | 2028-03-04in 536d | 2024-03-05 | Brown, Peter B | Expired |
| KC1AOI | NH | 2028-03-04in 536d | 2024-03-05 | Desrochers, Randy K | Expired |
| KC1AOM | ME | 2028-03-04in 536d | 2024-03-05 | Luttrell Jr, Howard D | Expired |
| KC1AON | ME | 2028-03-04in 536d | 2024-03-05 | Tebbs, Annette J | Expired |
| KC1AOO | ME | 2028-03-04in 536d | 2024-03-05 | Conners, James A | Expired |
| KC1AOP | ME | 2028-03-04in 536d | 2024-03-05 | Broad, Gary F | Expired |
| KC1AOR | ME | 2028-03-04in 536d | 2024-03-05 | Bryant III, Roy S | Expired |
| KC1AOS | OR | 2028-03-04in 536d | 2024-03-05 | Jacobson, Mary B | Expired |
| KC1AOU | NH | 2028-03-04in 536d | 2024-03-05 | Koponski, Greg | Expired |
| KC1AOX | MA | 2028-03-04in 536d | 2024-03-05 | FARRIN, STEVEN | Expired |
| KC1APA | CT | 2028-03-04in 536d | 2024-03-05 | Hanisch, Stephan | Expired |
| KC1APD | ME | 2028-03-04in 536d | 2024-03-05 | Bridges, Chris S | Expired |
| KC1APF | VT | 2028-03-04in 536d | 2024-03-05 | Coulombe, George A | Expired |
| KC1APH | NH | 2028-03-04in 536d | 2024-03-05 | Rose, Albert | Expired |
| KC1API | NH | 2028-03-04in 536d | 2024-03-05 | Webb, Thomas E | Expired |
| KC1APJ | NH | 2028-03-04in 536d | 2024-03-05 | Steele, Thomas R | Expired |
| KC1APO | VT | 2028-03-04in 536d | 2024-03-05 | BERGMAN REUTER, BETTE L | Expired |
| KC1APT | MA | 2028-03-04in 536d | 2024-03-05 | Yanofsky, Daniel S | Expired |
| KC1APW | MA | 2028-03-04in 536d | 2024-03-05 | Povenmire, Ross M | Expired |
| KC1APY | MA | 2028-03-04in 536d | 2024-03-05 | Oliva, Edgar E | Expired |
| KC1APZ | MA | 2028-03-04in 536d | 2024-03-05 | Kiley, Robert | Expired |
| KC1AQA | MA | 2028-03-04in 536d | 2024-03-05 | Jonsson, Jan R | Expired |
| KC1AQB | MA | 2028-03-04in 536d | 2024-03-05 | Hayes, Pat W | Expired |
| KC1AQC | MA | 2028-03-04in 536d | 2024-03-05 | Fragodt, Gabriel H | Expired |
| KC1AQD | NH | 2028-03-04in 536d | 2024-03-05 | Earle, David M | Expired |
| KC1AQE | NH | 2028-03-04in 536d | 2024-03-05 | Earle, Theresa M | Expired |
| KC1AQF | MA | 2028-03-04in 536d | 2024-03-05 | Blatus, Angela T | Expired |
| KC1AQG | MA | 2028-03-04in 536d | 2024-03-05 | Yee, Steven | Expired |
| KC1AQU | CT | 2028-03-04in 536d | 2024-03-05 | Scull II, Russell L | Expired |
| KC1AQV | CT | 2028-03-04in 536d | 2024-03-05 | Schuna, Cindy F | Expired |
| KC1AQX | CT | 2028-03-04in 536d | 2024-03-05 | Metzler, Michelle M | Expired |
| KC1AQY | CT | 2028-03-04in 536d | 2024-03-05 | Leszczynski, Marcin | Expired |
| KC1AQZ | CT | 2028-03-04in 536d | 2024-03-05 | Knott Jr, John K | Expired |
| KC1ARB | CT | 2028-03-04in 536d | 2024-03-05 | Giraldo, Leighanna | Expired |
| KC1ARC | CT | 2028-03-04in 536d | 2024-03-05 | Gleason, Charles H | Expired |
| KC1ARD | CT | 2028-03-04in 536d | 2024-03-05 | Forzano, Frank A | Expired |
| KC1ARG | CT | 2028-03-04in 536d | 2024-03-05 | Cooper, Debra J | Expired |