Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KB3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KB3. Sorted by availability date — soonest first.
Showing 651– 700 of 854
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KB3KHN | MD | 2028-03-04in 536d | 2024-03-05 | Potter, Daniel L | Expired |
| KB3KHR | PA | 2028-03-04in 536d | 2024-03-05 | Kort, Lawrence B | Expired |
| KB3KHX | MD | 2028-03-04in 536d | 2024-03-05 | WILLIAMS, TERRY H | Expired |
| KB3KIE | PA | 2028-03-04in 536d | 2024-03-05 | SPERDUTO, JASON M | Expired |
| KB3KIM | PA | 2028-03-04in 536d | 2024-03-05 | Sheaffer Jr, Bruce R | Expired |
| KB3KIP | FL | 2028-03-04in 536d | 2024-03-05 | LONG, PETER AC | Expired |
| KB3KIT | MD | 2028-03-04in 536d | 2024-03-05 | Quill, John E | Expired |
| KB3KJK | PA | 2028-03-04in 536d | 2024-03-05 | WENYON, KENNETH A | Expired |
| KB3KJM | PA | 2028-03-04in 536d | 2024-03-05 | Irving, John L | Expired |
| KB3KJV | MD | 2028-03-04in 536d | 2024-03-05 | Thompson, Boyd | Expired |
| KB3KJW | MD | 2028-03-04in 536d | 2024-03-05 | Valenti, Leonard P | Expired |
| KB3KJX | MD | 2028-03-04in 536d | 2024-03-05 | Mrohs, Bernard R | Expired |
| KB3KKA | MD | 2028-03-04in 536d | 2024-03-05 | Fiotes, Chris P | Expired |
| KB3KKJ | MD | 2028-03-04in 536d | 2024-03-05 | Beckett, Edmund L | Expired |
| KB3KKM | VA | 2028-03-04in 536d | 2024-03-05 | Park, Melissa A | Expired |
| KB3KKN | PA | 2028-03-04in 536d | 2024-03-05 | Maitz, Brian M | Expired |
| KB3KKQ | WV | 2028-03-04in 536d | 2024-03-05 | Borandi, Bernard A | Expired |
| KB3KKU | MD | 2028-03-04in 536d | 2024-03-05 | Reed, Sean B | Expired |
| KB3KKW | PA | 2028-03-04in 536d | 2024-03-05 | Ganong, Carissa N | Expired |
| KB3KKZ | PA | 2028-03-04in 536d | 2024-03-05 | THE CHRISTMAS CITY AMATEUR RADIO CLUB | Expired |
| KB3KLD | MD | 2028-03-04in 536d | 2024-03-05 | Murphy, Kenneth G | Expired |
| KB3KLF | PA | 2028-03-04in 536d | 2024-03-05 | Forsythe, Sean R | Expired |
| KB3KLN | PA | 2028-03-04in 536d | 2024-03-05 | Weston, Charles F | Expired |
| KB3KLP | PA | 2028-03-04in 536d | 2024-03-05 | Heasley, Kevin R | Expired |
| KB3KLU | CO | 2028-03-04in 536d | 2024-03-05 | KALMANOVITZ, Stacey M | Expired |
| KB3KMB | PA | 2028-03-04in 536d | 2024-03-05 | Dougherty Jr, James P | Expired |
| KB3KMR | PA | 2028-03-04in 536d | 2024-03-05 | Mennitto, Kristi R | Expired |
| KB3KMX | GA | 2028-03-04in 536d | 2024-03-05 | Parada, Eric D | Expired |
| KB3KMY | PA | 2028-03-04in 536d | 2024-03-05 | Prestine, Fredric S | Expired |
| KB3KNQ | PA | 2028-03-04in 536d | 2024-03-05 | Gardner, Scott W | Expired |
| KB3KNW | FL | 2028-03-04in 536d | 2024-03-05 | Kelly, Albert J | Expired |
| KB3KOD | PA | 2028-03-04in 536d | 2024-03-05 | FENNER JR, CHARLES A | Expired |
| KB3KOG | PA | 2028-03-04in 536d | 2024-03-05 | Sprinkle, Jerry L | Expired |
| KB3KOJ | NJ | 2028-03-04in 536d | 2024-03-05 | Moser, William D | Expired |
| KB3KOO | PA | 2028-03-04in 536d | 2024-03-05 | Swartley, Donna I | Expired |
| KB3KOV | PA | 2028-03-04in 536d | 2024-03-05 | KEYWOOD, PAUL D | Expired |
| KB3KPE | PA | 2028-03-04in 536d | 2024-03-05 | Rathinavelu, Madiajagane | Expired |
| KB3KPI | MD | 2028-03-04in 536d | 2024-03-05 | Poloney, Patrick | Expired |
| KB3KQI | PA | 2028-03-04in 536d | 2024-03-05 | Parker, James J | Expired |
| KB3KQR | VA | 2028-03-04in 536d | 2024-03-05 | Brayshaw, Lester M | Expired |
| KB3KQT | PA | 2028-03-04in 536d | 2024-03-05 | Connolly, Leo M | Expired |
| KB3KQW | MD | 2028-03-04in 536d | 2024-03-05 | Brenner, John H | Expired |
| KB3KQY | PA | 2028-03-04in 536d | 2024-03-05 | VanDerWal, Scott M | Expired |
| KB3KQZ | MD | 2028-03-04in 536d | 2024-03-05 | Weinschel, Shirley K | Expired |
| KB3KRA | PA | 2028-03-04in 536d | 2024-03-05 | Parsons Jr, Floyd B | Expired |
| KB3KRH | ME | 2028-03-04in 536d | 2024-03-05 | Inman, Jon E | Expired |
| KB3KRN | PA | 2028-03-04in 536d | 2024-03-05 | Wynkoop, Thomas E | Expired |
| KB3KRO | PA | 2028-03-04in 536d | 2024-03-05 | Swartz, Albert W | Expired |
| KB3KRQ | MD | 2028-03-04in 536d | 2024-03-05 | Byrne, Barry J | Expired |
| KB3KRR | MD | 2028-03-04in 536d | 2024-03-05 | D'Alessio, Mathew | Expired |