Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KB3. Sorted by availability date — soonest first.
Showing 551– 600 of 851
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KB3HKH | FL | 2027-07-05in 293d | 2023-07-06 | LEES, RICHARD | Expired |
| KB3KAI | MD | 2027-07-07in 295d | 2023-07-08 | Stansbury, David | Expired |
| KB3AXD | PA | 2027-07-12in 300d | 2023-07-13 | BEAUREGARD, SANDRA K | Expired |
| KB3ACW | PA | 2027-07-13in 301d | 2023-07-14 | ANTONINI, ARMANDO M | Expired |
| KB3KAU | PA | 2027-07-13in 301d | 2023-07-14 | Messinger, Rodney B | Expired |
| KB3KAX | MD | 2027-07-14in 302d | 2023-07-15 | Schaefer, Stephen J | Expired |
| KB3KBH | PA | 2027-07-16in 304d | 2023-07-17 | Kern, Craig F | Expired |
| KB3AQK | PA | 2027-07-19in 307d | 2023-07-20 | GRIGLAK, JEROME L | Expired |
| KB3HWI | PA | 2027-07-19in 307d | 2023-07-20 | Danley, John T | Expired |
| KB3IVG | PA | 2027-07-19in 307d | 2023-07-20 | Gehman Jr, Paul R | Expired |
| KB3OX | MD | 2027-07-19in 307d | 2023-07-20 | Maczis, Lee W | Expired |
| KB3KBL | PA | 2027-07-21in 309d | 2023-07-22 | SARVER, LAURINDA A | Expired |
| KB3IZW | TX | 2027-07-22in 310d | 2023-07-23 | MARTINEZ, EDMUND | Expired |
| KB3JKH | MD | 2027-07-22in 310d | 2025-07-22 | Carlo, John A | Cancelled |
| KB3KBT | FL | 2027-07-22in 310d | 2023-07-23 | PORTER, DAVID A | Expired |
| KB3NH | NH | 2027-07-25in 313d | 2023-07-26 | Buchanan, Kevin B | Expired |
| KB3AAG | PA | 2027-07-26in 314d | 2023-07-27 | VAN CLEVE, FRANK E | Expired |
| KB3ALL | PA | 2027-07-26in 314d | 2023-07-27 | Chastain, Doreen E | Expired |
| KB3AXO | PA | 2027-07-26in 314d | 2023-07-27 | PRINCE, CLETA | Expired |
| KB3KBY | MD | 2027-07-27in 315d | 2023-07-28 | Freund, John G | Expired |
| KB3KCC | MD | 2027-07-27in 315d | 2023-07-28 | Connor, Joe H | Expired |
| KB3KCE | MD | 2027-07-27in 315d | 2023-07-28 | ROSIAK, THOMAS T | Expired |
| KB3KCY | PA | 2027-08-05in 324d | 2023-08-06 | Clark Mr., Dennis M | Expired |
| KB3KDA | PA | 2027-08-05in 324d | 2023-08-06 | Adametz, Michael J | Expired |
| KB3KDF | PA | 2027-08-05in 324d | 2023-08-06 | Cairns, Cathy A | Expired |
| KB3KDH | MO | 2027-08-05in 324d | 2023-08-06 | Johnson, David E A | Expired |
| KB3PD | CT | 2027-08-05in 324d | 2023-08-06 | Phillips, James R | Expired |
| KB3AXW | NJ | 2027-08-09in 328d | 2023-08-10 | DOHERTY, DEVIN A | Expired |
| KB3JDL | PA | 2027-08-12in 331d | 2025-08-12 | Packard, Craig A | Cancelled |
| KB3ARC | NM | 2027-08-16in 335d | 2023-08-17 | MARTIN, JOHN F | Expired |
| KB3EME | PA | 2027-08-19in 338d | 2025-08-19 | Irvin, Scott W | Cancelled |
| KB3KCP | PA | 2027-08-21in 340d | 2023-08-22 | Hall, Chris E | Expired |
| KB3KEM | PA | 2027-08-21in 340d | 2023-08-22 | YOCHIM SR, JOHN C | Expired |
| KB3KEN | PA | 2027-08-21in 340d | 2023-08-22 | Shores, Ebbie V | Expired |
| KB3KEO | PA | 2027-08-21in 340d | 2023-08-22 | CLINE, PHILIP B | Expired |
| KB3AUU | PA | 2027-08-23in 342d | 2023-08-24 | NORTHEIMER, PATRICE S | Expired |
| KB3JVE | PA | 2027-08-26in 345d | 2023-08-27 | Kiss, Joseph A | Expired |
| KB3JIR | CA | 2027-08-27in 346d | 2023-08-28 | Widdowson, Andrew P | Expired |
| KB3KET | PA | 2027-09-01in 351d | 2023-09-02 | Slanitz, James G | Expired |
| KB3JLI | MD | 2027-09-05in 355d | 2023-09-06 | Gautereaux, Richard E | Expired |
| KB3AYI | MD | 2027-09-06in 356d | 2023-09-07 | ROBERTS, KEVIN N | Expired |
| KB3KFA | MD | 2027-09-07in 357d | 2023-09-08 | KELLY, RICHARD L | Expired |
| KB3KFB | MD | 2027-09-07in 357d | 2023-09-08 | Estep, Charlotte L | Expired |
| KB3ASA | PA | 2027-09-08in 358d | 2023-09-09 | ALBANOWSKI, ALBERT G | Expired |
| KB3APP | PA | 2027-09-09in 359d | 2023-09-10 | ZIONKOWSKI, JAMES P | Expired |
| KB3INL | AZ | 2027-09-09in 359d | 2023-09-10 | Kilanski, Paul J | Expired |
| KB3JHG | MD | 2027-09-10in 360d | 2023-09-11 | Elliott, Neal E | Expired |
| KB3AWA | PA | 2027-09-13in 363d | 2023-09-14 | MOORE JR, RUSSELL H | Expired |
| KB3KFW | PA | 2027-09-18in 368d | 2023-09-19 | Truax, Stephen R | Expired |
| KB3AUS | MD | 2027-09-20in 370d | 2023-09-21 | SELBY, JANICE I | Expired |