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 701– 750 of 854
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KB3KRU | DE | 2028-03-04in 536d | 2024-03-05 | Peters, Melanie | Expired |
| KB3KRZ | PA | 2028-03-04in 536d | 2024-03-05 | Buhrman, Norma S | Expired |
| KB3KSI | MD | 2028-03-04in 536d | 2024-03-05 | Hanko, Andrew B | Expired |
| KB3KSQ | MD | 2028-03-04in 536d | 2024-03-05 | Beynenson, Alek | Expired |
| KB3KST | PA | 2028-03-04in 536d | 2024-03-05 | Shaubach, Craig A | Expired |
| KB3KSU | PA | 2028-03-04in 536d | 2024-03-05 | Robinson, Richard D | Expired |
| KB3KSZ | MD | 2028-03-04in 536d | 2024-03-05 | Iler, Gerald W | Expired |
| KB3KTB | PA | 2028-03-04in 536d | 2024-03-05 | Knisely, Rita M | Expired |
| KB3KTC | PA | 2028-03-04in 536d | 2024-03-05 | Knisely, Dewayne E | Expired |
| KB3KTD | PA | 2028-03-04in 536d | 2024-03-05 | Lyons, William J | Expired |
| KB3KTE | PA | 2028-03-04in 536d | 2024-03-05 | Lyons, Carol A | Expired |
| KB3KTF | PA | 2028-03-04in 536d | 2024-03-05 | Lyons, Theodore E | Expired |
| KB3KTI | PA | 2028-03-04in 536d | 2024-03-05 | Turnbull, Emerson A | Expired |
| KB3KTL | PA | 2028-03-04in 536d | 2024-03-05 | Beck, David B | Expired |
| KB3KTM | PA | 2028-03-04in 536d | 2024-03-05 | NOLPH, CHESTER L | Expired |
| KB3KTN | PA | 2028-03-04in 536d | 2024-03-05 | Miller, Frederick W | Expired |
| KB3KTO | PA | 2028-03-04in 536d | 2024-03-05 | DARR, DELBERT E | Expired |
| KB3KTS | PA | 2028-03-04in 536d | 2024-03-05 | Yost, John M | Expired |
| KB3KTT | MD | 2028-03-04in 536d | 2024-03-05 | LaBarre, Erin D | Expired |
| KB3KTW | PA | 2028-03-04in 536d | 2024-03-05 | Goldberg, Marvin A | Expired |
| KB3KUB | PA | 2028-03-04in 536d | 2024-03-05 | SIMON, JULIUS A | Expired |
| KB3KUE | PA | 2028-03-04in 536d | 2024-03-05 | MYERS, LE ANN M | Expired |
| KB3KUF | PA | 2028-03-04in 536d | 2024-03-05 | McCandless, Drynda E | Expired |
| KB3KUI | DE | 2028-03-04in 536d | 2024-03-05 | DI ORIO JR, JOHN R | Expired |
| KB3LMS | PA | 2028-03-04in 536d | 2024-03-05 | Fox, Jason P | Expired |
| KB3PO | PA | 2028-03-04in 536d | 2024-03-05 | ROGERS, JOHN F | Expired |
| KB3PSC | MD | 2028-03-04in 536d | 2024-03-05 | ISOM JR, O NEAL | Expired |
| KB3RRZ | PA | 2028-03-04in 536d | 2024-03-05 | Martino Jr, Daniel A | Expired |
| KB3VL | PA | 2028-03-04in 536d | 2024-03-05 | WRIGHT JR, THOMAS J | Expired |
| KB3AMB | TX | 2028-03-08in 540d | 2024-03-09 | Black, John F | Expired |
| KB3KVB | WV | 2028-03-08in 540d | 2024-03-09 | Wagner, Sandra D | Expired |
| KB3ASP | VA | 2028-03-11in 543d | 2024-03-12 | SILBER, ROBERT M | Expired |
| KB3KSX | WV | 2028-03-11in 543d | 2024-03-12 | Ignacio, Brent S | Expired |
| KB3KWA | MD | 2028-03-11in 543d | 2024-03-12 | MARTIN, ANTHONY K | Expired |
| KB3JND | PA | 2028-03-13in 545d | 2024-03-14 | Wallace, Peter I | Expired |
| KB3JNE | PA | 2028-03-13in 545d | 2024-03-14 | Wallace, Andrew I | Expired |
| KB3KWG | MD | 2028-03-14in 546d | 2024-03-15 | Boyle, Joseph M | Expired |
| KB3KWQ | PA | 2028-03-15in 547d | 2024-03-16 | RECALDINI, BAPTIST J | Expired |
| KB3KWR | PA | 2028-03-15in 547d | 2024-03-16 | WOLFE, RANDELL A | Expired |
| KB3KXG | MD | 2028-03-18in 550d | 2024-03-19 | HORROCKS, BRENDA S | Expired |
| KB3KXH | MD | 2028-03-18in 550d | 2024-03-19 | Horrocks, Kenneth F | Expired |
| KB3KXS | PA | 2028-03-18in 550d | 2024-03-19 | Millward, Robert L | Expired |
| KB3YZO | PA | 2028-03-19in 551d | 2026-03-20 | Szymanik, Alexander | Cancelled |
| KB3KXW | MD | 2028-03-21in 553d | 2024-03-22 | Muldawer, Sean | Expired |
| KB3FWI | PA | 2028-03-23in 555d | 2026-03-24 | Potter, Gregory G | Cancelled |
| KB3TWD | MD | 2028-03-23in 555d | 2026-03-24 | Deane, Michael J | Cancelled |
| KB3KYK | OH | 2028-03-25in 557d | 2024-03-26 | Novak, Karola | Expired |
| KB3AZX | MD | 2028-03-28in 560d | 2024-03-29 | HARNED, ROBERT L | Expired |
| KB3BBF | NC | 2028-03-28in 560d | 2024-03-29 | TILTON, NANCY H | Expired |
| KB3KYN | OH | 2028-03-28in 560d | 2024-03-29 | Rossio, Alan L | Expired |