Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC3. Sorted by availability date — soonest first.
Showing 601– 650 of 1,265
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3BJP | MD | 2028-03-04in 536d | 2024-03-05 | Gokoyev, Daniel | Expired |
| KC3BJQ | MD | 2028-03-04in 536d | 2024-03-05 | Sharp, Philip K | Expired |
| KC3BJU | PA | 2028-03-04in 536d | 2024-03-05 | Prosdocimo, Stephanie L | Expired |
| KC3BJV | PA | 2028-03-04in 536d | 2024-03-05 | Brocious, Mary D | Expired |
| KC3BJY | PA | 2028-03-04in 536d | 2024-03-05 | Wagner, Edward S | Expired |
| KC3BKC | PA | 2028-03-04in 536d | 2024-03-05 | LA BONTE, PHILIP A | Expired |
| KC3BKE | MD | 2028-03-04in 536d | 2024-03-05 | SINGLETON, DARRYL G | Expired |
| KC3BKL | PA | 2028-03-04in 536d | 2024-03-05 | REISS, JOHN J | Expired |
| KC3BKM | PA | 2028-03-04in 536d | 2024-03-05 | SCHWEITZER, RONALD A | Expired |
| KC3BKP | PA | 2028-03-04in 536d | 2024-03-05 | Blado, Theodore G | Expired |
| KC3BKS | MD | 2028-03-04in 536d | 2024-03-05 | BURANICZ, JOHN | Expired |
| KC3BKW | PA | 2028-03-04in 536d | 2024-03-05 | Chronister, Jackie E | Expired |
| KC3BKX | PA | 2028-03-04in 536d | 2024-03-05 | Grove, Jeffrey C | Expired |
| KC3BLA | PA | 2028-03-04in 536d | 2024-03-05 | Bauer, William R | Expired |
| KC3BLD | PA | 2028-03-04in 536d | 2024-03-05 | Osmak, Aleksandr V | Expired |
| KC3BLE | PA | 2028-03-04in 536d | 2024-03-05 | Bass, Kenneth R | Expired |
| KC3BLN | PA | 2028-03-04in 536d | 2024-03-05 | Rothwell, Peter P | Expired |
| KC3BLO | PA | 2028-03-04in 536d | 2024-03-05 | DESAJ, KUNJ | Expired |
| KC3BLP | PA | 2028-03-04in 536d | 2024-03-05 | LI, KAIMING | Expired |
| KC3BLQ | PA | 2028-03-04in 536d | 2024-03-05 | GENSIMORO, NATHAN D | Expired |
| KC3BLR | PA | 2028-03-04in 536d | 2024-03-05 | HITE, RACHEL C | Expired |
| KC3BLS | PA | 2028-03-04in 536d | 2024-03-05 | MORGAN, JACOB P | Expired |
| KC3BLT | MD | 2028-03-04in 536d | 2024-03-05 | GARDNER, MORGAN A | Expired |
| KC3BLU | PA | 2028-03-04in 536d | 2024-03-05 | HAMMEL, MATTHEW S | Expired |
| KC3BLW | PA | 2028-03-04in 536d | 2024-03-05 | HOPKINS, ANDREW | Expired |
| KC3BLX | TX | 2028-03-04in 536d | 2024-03-05 | ZUNDRITSCH, PETER O | Expired |
| KC3BMB | PA | 2028-03-04in 536d | 2024-03-05 | PHILIPSBURG AMATEUR RADIO ASSN | Expired |
| KC3BMD | PA | 2028-03-04in 536d | 2024-03-05 | Procacci, John | Expired |
| KC3BMF | PA | 2028-03-04in 536d | 2024-03-05 | Smith, Ian A | Expired |
| KC3BMG | PA | 2028-03-04in 536d | 2024-03-05 | Pierce, John W | Expired |
| KC3BML | MD | 2028-03-04in 536d | 2024-03-05 | Walker, Matthew J | Expired |
| KC3BMO | MD | 2028-03-04in 536d | 2024-03-05 | Ho, Ruth H | Expired |
| KC3BMP | MD | 2028-03-04in 536d | 2024-03-05 | Frankford, Mark T | Expired |
| KC3BMR | MD | 2028-03-04in 536d | 2024-03-05 | Francis, Robert H | Expired |
| KC3BMS | MD | 2028-03-04in 536d | 2024-03-05 | Jablonski, Edward | Expired |
| KC3BMV | MD | 2028-03-04in 536d | 2024-03-05 | Belnavis, Karen | Expired |
| KC3BMX | PA | 2028-03-04in 536d | 2024-03-05 | Wilson, Adam S | Expired |
| KC3BNC | DE | 2028-03-04in 536d | 2024-03-05 | PETRILLO JR, ARMAND | Expired |
| KC3BND | DE | 2028-03-04in 536d | 2024-03-05 | KIRBY, SEAN | Expired |
| KC3BNE | DE | 2028-03-04in 536d | 2024-03-05 | GOUCRT, DEBORAH | Expired |
| KC3BNI | PA | 2028-03-04in 536d | 2024-03-05 | Kingan, Steven M | Expired |
| KC3BNK | PA | 2028-03-04in 536d | 2024-03-05 | Yim, Justin K | Expired |
| KC3BNL | PA | 2028-03-04in 536d | 2024-03-05 | Deng, Martin M | Expired |
| KC3BNM | PA | 2028-03-04in 536d | 2024-03-05 | Koh, Joon Yi | Expired |
| KC3BNO | DE | 2028-03-04in 536d | 2024-03-05 | Lindbergh, Peter M | Expired |
| KC3BNR | PA | 2028-03-04in 536d | 2024-03-05 | Clemmer, Eric M | Expired |
| KC3BNS | PA | 2028-03-04in 536d | 2024-03-05 | Bolorin, Alex | Expired |
| KC3BNT | PA | 2028-03-04in 536d | 2024-03-05 | Concolino, William J | Expired |
| KC3BNY | PA | 2028-03-04in 536d | 2024-03-05 | Neefe, Melodie L | Expired |
| KC3BOD | MD | 2028-03-04in 536d | 2024-03-05 | QUINN, JOHN E | Expired |