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 451– 500 of 851
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KB3JHW | PA | 2027-04-17in 214d | 2023-04-18 | Brandt, Michele E | Expired |
| KB3IGM | PA | 2027-04-18in 215d | 2023-04-19 | Naudain, Mark E | Expired |
| KB3ARW | OH | 2027-04-19in 216d | 2023-04-20 | CURTIS, WILLIAM H | Expired |
| KB3JNP | MD | 2027-04-20in 217d | 2023-04-21 | Lyons, Roger L | Expired |
| KB3JNT | MD | 2027-04-20in 217d | 2023-04-21 | Doore, Stephen F | Expired |
| KB3JNX | PA | 2027-04-21in 218d | 2023-04-22 | Puharic, Thomas W | Expired |
| KB3JNY | PA | 2027-04-21in 218d | 2023-04-22 | Puharic, Daniel J | Expired |
| KB3JOI | PA | 2027-04-21in 218d | 2023-04-22 | Herskowitz, William E | Expired |
| KB3JOL | PA | 2027-04-21in 218d | 2023-04-22 | Lang, Jerome A | Expired |
| KB3JON | PA | 2027-04-21in 218d | 2023-04-22 | QUIGLEY, CINDY L | Expired |
| KB3JOE | PA | 2027-04-22in 219d | 2023-04-23 | Carnahan, Ronald S | Expired |
| KB3NCD | PA | 2027-04-22in 219d | 2025-04-22 | Bobro, David F | Cancelled |
| KB3IFA | PA | 2027-04-23in 220d | 2023-04-24 | Bowser, Brian C | Expired |
| KB3JOU | PA | 2027-04-24in 221d | 2023-04-25 | SCHUSTER, CARL J | Expired |
| KB3JOV | MD | 2027-04-24in 221d | 2023-04-25 | Leger, Stephen R | Expired |
| KB3GYX | MD | 2027-04-25in 222d | 2023-04-26 | Isaacson, Thomas M | Expired |
| KB3HOU | PA | 2027-04-25in 222d | 2023-04-26 | Merkle, William E | Expired |
| KB3ALG | PA | 2027-04-26in 223d | 2023-04-27 | SCHAEFFER, T RICHARD | Expired |
| KB3ASD | MD | 2027-04-26in 223d | 2023-04-27 | MAYES, DANIEL E | Expired |
| KB3JOY | PA | 2027-04-27in 224d | 2023-04-28 | Sivec III, John | Expired |
| KB3JPI | PA | 2027-04-28in 225d | 2023-04-29 | Bibawy, Peter B | Expired |
| KB3JPL | DE | 2027-04-29in 226d | 2023-04-30 | Horvath, Gloria J | Expired |
| KB3JPN | PA | 2027-04-29in 226d | 2023-04-30 | BOWER, Sarina M | Expired |
| KB3JPU | PA | 2027-04-29in 226d | 2023-04-30 | Sedorchuk, Christopher R | Expired |
| KB3JPV | PA | 2027-04-29in 226d | 2023-04-30 | Sedorchuk, Joan L | Expired |
| KB3JPX | PA | 2027-04-29in 226d | 2023-04-30 | Shimp, Gene | Expired |
| KB3JGV | DE | 2027-05-03in 230d | 2023-05-04 | Clark, Terrance M | Expired |
| KB3JNC | VA | 2027-05-06in 233d | 2023-05-07 | Miller III, Gerald C | Expired |
| KB3JNS | MD | 2027-05-07in 234d | 2023-05-08 | Doore, Christine E | Expired |
| KB3JQS | VA | 2027-05-07in 234d | 2023-05-08 | Westberg, Kevin L | Expired |
| KB3JQW | PA | 2027-05-07in 234d | 2023-05-08 | LYDIC, JEFFREY W | Expired |
| KB3JRE | MD | 2027-05-07in 234d | 2023-05-08 | Estep Sr, Steuart D | Expired |
| KB3JRF | MD | 2027-05-07in 234d | 2023-05-08 | Taylor, Charles E | Expired |
| KB3JRN | TX | 2027-05-07in 234d | 2023-05-08 | Nkhoma, David G | Expired |
| KB3JRR | MD | 2027-05-11in 238d | 2023-05-12 | Puffett, Cory J | Expired |
| KB3JRS | MD | 2027-05-11in 238d | 2023-05-12 | Puffett, Louisa L | Expired |
| KB3JRW | MD | 2027-05-12in 239d | 2023-05-13 | Robison, James R | Expired |
| KB3JSG | PA | 2027-05-12in 239d | 2023-05-13 | Tateosian, Louis H | Expired |
| KB3JSI | MA | 2027-05-12in 239d | 2023-05-13 | Budinger, Cheryl-Lynn J | Expired |
| KB3JSK | PA | 2027-05-12in 239d | 2023-05-13 | Almoney, Glenn E | Expired |
| KB3JSP | PA | 2027-05-12in 239d | 2023-05-13 | Hayes, James J | Expired |
| KB3PPX | WA | 2027-05-13in 240d | 2025-05-13 | Finucane, Cameron P | Cancelled |
| KB3JSU | CA | 2027-05-14in 241d | 2023-05-15 | Peddie, Matthew T | Expired |
| KB3JSD | PA | 2027-05-16in 243d | 2023-05-17 | Uzamere, Pius A | Expired |
| KB3ABE | PA | 2027-05-17in 244d | 2023-05-18 | PELAK, MARK | Expired |
| KB3AIG | MD | 2027-05-17in 244d | 2023-05-18 | DAVIDSON, GILBERT L | Expired |
| KB3JTE | MD | 2027-05-18in 245d | 2023-05-19 | BAIN, ROBERT W | Expired |
| KB3JTG | PA | 2027-05-18in 245d | 2023-05-19 | BARR, THEODORE R | Expired |
| KB3JTU | PA | 2027-05-20in 247d | 2023-05-21 | Bouille, Michael J | Expired |
| KB3JTY | PA | 2027-05-21in 248d | 2023-05-22 | DENSMORE, ROBERT D | Expired |