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 751– 800 of 1,265
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3BWY | PA | 2028-03-04in 535d | 2024-03-05 | Fooks, David W | Expired |
| KC3BWZ | PA | 2028-03-04in 535d | 2024-03-05 | Johnson, John M | Expired |
| KC3BXB | PA | 2028-03-04in 535d | 2024-03-05 | Hayes, Jonathan A | Expired |
| KC3BXE | PA | 2028-03-04in 535d | 2024-03-05 | Zibaila, Robert E | Expired |
| KC3BXK | MD | 2028-03-04in 535d | 2024-03-05 | Miles Jr, David W | Expired |
| KC3BXL | MD | 2028-03-04in 535d | 2024-03-05 | Naugle, Robert J | Expired |
| KC3BXP | MD | 2028-03-04in 535d | 2024-03-05 | Singleton, Benjamin M | Expired |
| KC3BXR | PA | 2028-03-04in 535d | 2024-03-05 | Collier, Chad A | Expired |
| KC3BXY | DE | 2028-03-04in 535d | 2024-03-05 | BRAVO, LOUIS F | Expired |
| KC3BXZ | PA | 2028-03-04in 535d | 2024-03-05 | Ayotte, Joe | Expired |
| KC3BYD | MD | 2028-03-04in 535d | 2024-03-05 | Rafter, Joseph W | Expired |
| KC3BYE | PA | 2028-03-04in 535d | 2024-03-05 | PHILIPSBURG AMATEUR RADIO ASSOC | Expired |
| KC3BYH | PA | 2028-03-04in 535d | 2024-03-05 | LiPuma, Justin | Expired |
| KC3BYM | PA | 2028-03-04in 535d | 2024-03-05 | Gross Jr, Gerald L | Expired |
| KC3BYQ | PA | 2028-03-04in 535d | 2024-03-05 | Norris, John R | Expired |
| KC3BZC | PA | 2028-03-04in 535d | 2024-03-05 | Kummer, Frederick C | Expired |
| KC3BZD | PA | 2028-03-04in 535d | 2024-03-05 | Alverio, Elizabeth | Expired |
| KC3BZF | PA | 2028-03-04in 535d | 2024-03-05 | Villalta, Victor M | Expired |
| KC3BZG | PA | 2028-03-04in 535d | 2024-03-05 | Green, Tristen C | Expired |
| KC3BZH | PA | 2028-03-04in 535d | 2024-03-05 | Lucas, Stephen | Expired |
| KC3BZI | PA | 2028-03-04in 535d | 2024-03-05 | Anderson, Bryant | Expired |
| KC3BZK | PA | 2028-03-04in 535d | 2024-03-05 | Villalta Jr, Victor M | Expired |
| KC3BZL | PA | 2028-03-04in 535d | 2024-03-05 | Martin, James L | Expired |
| KC3BZM | PA | 2028-03-04in 535d | 2024-03-05 | Lucas, Rebecca D | Expired |
| KC3BZP | MD | 2028-03-04in 535d | 2024-03-05 | PEARCE, ROBERT D | Expired |
| KC3BZR | MD | 2028-03-04in 535d | 2024-03-05 | GAUTHIER, RYAN J | Expired |
| KC3BZV | MD | 2028-03-04in 535d | 2024-03-05 | SARMIENTO, ROBERT A | Expired |
| KC3BZW | MD | 2028-03-04in 535d | 2024-03-05 | MONGER, STEPHANIE A | Expired |
| KC3BZX | PA | 2028-03-04in 535d | 2024-03-05 | Cantrell, Cody | Expired |
| KC3BZY | PA | 2028-03-04in 535d | 2024-03-05 | Montis, David P | Expired |
| KC3CAC | MD | 2028-03-04in 535d | 2024-03-05 | Murphy, Kevin | Expired |
| KC3CAG | MD | 2028-03-04in 535d | 2024-03-05 | Hardesty, Brent A | Expired |
| KC3CAI | MD | 2028-03-04in 535d | 2024-03-05 | BEAULIEU, GERARD T | Expired |
| KC3CAM | PA | 2028-03-04in 535d | 2024-03-05 | Geibel, Adam C | Expired |
| KC3CAO | PA | 2028-03-04in 535d | 2024-03-05 | FRY, DANIEL J | Expired |
| KC3CAP | MD | 2028-03-04in 535d | 2024-03-05 | Rhones, Michael A | Expired |
| KC3CAQ | PA | 2028-03-04in 535d | 2024-03-05 | CRESSWELL, ALAN | Expired |
| KC3CAU | PA | 2028-03-04in 535d | 2024-03-05 | Wojakowski, John S | Expired |
| KC3CAW | MD | 2028-03-04in 535d | 2024-03-05 | Jones, Garth S | Expired |
| KC3CAY | MD | 2028-03-04in 535d | 2024-03-05 | Prickett, Joyce C | Expired |
| KC3CAZ | MD | 2028-03-04in 535d | 2024-03-05 | Kimble, Jeffrey D | Expired |
| KC3CBA | MD | 2028-03-04in 535d | 2024-03-05 | Higgs, Susan E | Expired |
| KC3CBB | MD | 2028-03-04in 535d | 2024-03-05 | Di Fatta, Christopher J | Expired |
| KC3CBC | MD | 2028-03-04in 535d | 2024-03-05 | Fisher, Vastina | Expired |
| KC3CBE | PA | 2028-03-04in 535d | 2024-03-05 | DIESS, LARRY M | Expired |
| KC3CBF | PA | 2028-03-04in 535d | 2024-03-05 | AITKEN, RONALD Y | Expired |
| KC3CBG | PA | 2028-03-04in 535d | 2024-03-05 | BECKA, JEFF P | Expired |
| KC3CBH | PA | 2028-03-04in 535d | 2024-03-05 | JACOB-BECKA, ELIZABETH A | Expired |
| KC3CBJ | PA | 2028-03-04in 535d | 2024-03-05 | REO, SAMUEL J | Expired |
| KC3CBM | MD | 2028-03-04in 535d | 2024-03-05 | EGLAND, TERRANCE K | Expired |