Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC1-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC1. Sorted by availability date — soonest first.
Showing 401– 450 of 1,232
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC1ALU | CT | 2027-09-24in 374d | 2023-09-25 | Janacek, Spencer A | Expired |
| KC1AMB | NH | 2027-09-25in 375d | 2023-09-26 | Vaillancourt, Gervais H | Expired |
| KC1AMF | MA | 2027-09-26in 376d | 2023-09-27 | Berkshire Digital Group | Expired |
| KC1YAW | MA | 2027-09-26in 376d | 2025-09-26 | Gendron, Mason P | Cancelled |
| KC1YHB | CT | 2027-09-26in 376d | 2025-09-26 | Grover, Aaron J | Cancelled |
| KC1YHG | ME | 2027-09-27in 377d | 2025-09-27 | Ouellette, Kolbey | Cancelled |
| KC1AMG | MA | 2027-09-29in 379d | 2023-09-30 | Montalbano, Nicholas C | Expired |
| KC1YGO | ME | 2027-09-29in 379d | 2025-09-29 | Campbell, David P | Cancelled |
| KC1YGP | VT | 2027-09-30in 380d | 2025-09-30 | Aiello, Robert C | Cancelled |
| KC1MMG | MA | 2027-12-09in 450d | 2025-12-09 | Doucette, Christopher E | Cancelled |
| KC1PNI | ME | 2027-12-09in 450d | 2025-12-09 | Cassidy, Andrew | Cancelled |
| KC1SEZ | CT | 2027-12-09in 450d | 2025-12-09 | Danke, Owen R | Cancelled |
| KC1USO | NH | 2027-12-09in 450d | 2025-12-09 | Prange, James M | Cancelled |
| KC1VFN | CT | 2027-12-09in 450d | 2025-12-09 | NOTZ, MARCUS O | Cancelled |
| KC1VGV | ME | 2027-12-09in 450d | 2025-12-09 | Gonzalez, Luis J | Cancelled |
| KC1VTX | NH | 2027-12-09in 450d | 2025-12-09 | Winkel, William B | Cancelled |
| KC1WQZ | MA | 2027-12-09in 450d | 2025-12-09 | Thomson, Jason W | Cancelled |
| KC1YCI | MA | 2027-12-09in 450d | 2025-12-09 | Eckhouse, Daniel N | Cancelled |
| KC1YDR | MA | 2027-12-09in 450d | 2025-12-09 | Rubin, Daniel I | Cancelled |
| KC1YDS | NH | 2027-12-09in 450d | 2025-12-09 | Burns, Ethan | Cancelled |
| KC1YGN | MA | 2027-12-09in 450d | 2025-12-09 | Dolio, James | Cancelled |
| KC1YHU | MA | 2027-12-09in 450d | 2025-12-09 | Patel, Kartik P | Cancelled |
| KC1YIC | CT | 2027-12-09in 450d | 2025-12-09 | New Fairfield EOC ARC | Cancelled |
| KC1YIJ | VT | 2027-12-09in 450d | 2025-12-09 | Near, Joseph P | Cancelled |
| KC1YIT | MA | 2027-12-09in 450d | 2025-12-09 | Kuankid, Dichapol | Cancelled |
| KC1YJA | MA | 2027-12-09in 450d | 2025-12-09 | Lambert, Kathleen L | Cancelled |
| KC1YJI | MA | 2027-12-09in 450d | 2025-12-09 | Finch, Daniel | Cancelled |
| KC1YJN | CT | 2027-12-09in 450d | 2025-12-09 | Morse III, Ronald C | Cancelled |
| KC1YLM | MA | 2027-12-09in 450d | 2025-12-09 | Duthie, William | Cancelled |
| KC1YCC | MA | 2027-12-12in 453d | 2025-12-12 | Sherrard, Richard A | Cancelled |
| KC1YEN | CT | 2027-12-12in 453d | 2025-12-12 | CT POTA Activators Group | Cancelled |
| KC1YJR | MA | 2027-12-12in 453d | 2025-12-12 | Fearn, Richard | Cancelled |
| KC1YKU | MA | 2027-12-12in 453d | 2025-12-12 | Swampscott High School Amateur Radio Club | Cancelled |
| KC1YLD | MA | 2027-12-12in 453d | 2025-12-12 | Tang, Ash | Cancelled |
| KC1YLU | NH | 2027-12-12in 453d | 2025-12-12 | Linderman, Robert | Cancelled |
| KC1YMP | NH | 2027-12-12in 453d | 2025-12-12 | Cummings II, Douglas V | Cancelled |
| KC1YMW | NH | 2027-12-12in 453d | 2025-12-12 | Shugrue, George A | Cancelled |
| KC1YND | NH | 2027-12-12in 453d | 2025-12-12 | Goodwin, Paul W | Cancelled |
| KC1WOK | MA | 2027-12-13in 454d | 2025-12-13 | Bonapace, Joseph | Cancelled |
| KC1YNH | CT | 2027-12-13in 454d | 2025-12-13 | McKenna Jr, John J | Cancelled |
| KC1YNM | MA | 2027-12-13in 454d | 2025-12-13 | COX, MARTIN W | Cancelled |
| KC1YNP | VT | 2027-12-13in 454d | 2025-12-13 | Reed, Katherine A | Cancelled |
| KC1YET | MA | 2027-12-16in 457d | 2025-12-16 | Cyr, Adam | Cancelled |
| KC1YLX | VT | 2027-12-16in 457d | 2025-12-16 | Morgan, Dylan J | Cancelled |
| KC1YOE | MA | 2027-12-16in 457d | 2025-12-16 | NAWOICHIK, ADAM M | Cancelled |
| KC1YOI | NH | 2027-12-16in 457d | 2025-12-16 | Goldsmith, Michelle B | Cancelled |
| KC1YOY | NH | 2027-12-16in 457d | 2025-12-16 | Smolarz, Bryan A | Cancelled |
| KC1NAF | NH | 2027-12-19in 460d | 2025-12-19 | Vincent, Tiffany J | Cancelled |
| KC1SRR | VT | 2027-12-20in 461d | 2025-12-20 | Fielder, Shaun R | Cancelled |
| KC1SXR | CT | 2027-12-20in 461d | 2025-12-20 | Zimmerman, Scott M | Cancelled |