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 501– 550 of 851
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KB3AAX | PA | 2027-05-24in 251d | 2023-05-25 | WOOD, JAMES A | Expired |
| KB3ANO | PA | 2027-05-24in 251d | 2023-05-25 | BURSTEIN, DENISE R | Expired |
| KB3ATQ | NY | 2027-05-24in 251d | 2023-05-25 | REBAR, DONALD R | Expired |
| KB3ATS | PA | 2027-05-24in 251d | 2023-05-25 | HOLMEN, PHILIP C | Expired |
| KB3GN | MD | 2027-05-24in 251d | 2023-05-25 | Roberts Jr, George L | Expired |
| KB3JUD | PA | 2027-05-27in 254d | 2023-05-28 | Raymond, Jeffrey A | Expired |
| KB3AJH | PA | 2027-05-31in 258d | 2023-06-01 | BRIDGES, RICHARD S | Expired |
| KB3AJW | PA | 2027-05-31in 258d | 2023-06-01 | CONRAD, RHYSANN J | Expired |
| KB3AJX | PA | 2027-05-31in 258d | 2023-06-01 | CONRAD, KEITH | Expired |
| KB3AOT | MD | 2027-05-31in 258d | 2023-06-01 | WILLIAMS, JEAN E | Expired |
| KB3JUY | PA | 2027-06-03in 261d | 2023-06-04 | Leabman, Heather S | Expired |
| KB3JVA | PA | 2027-06-03in 261d | 2023-06-04 | Smith, Brady P | Expired |
| KB3JVB | MD | 2027-06-03in 261d | 2023-06-04 | King, Walter C | Expired |
| KB3MIX | TX | 2027-06-06in 264d | 2025-06-06 | Frye, Brent D | Cancelled |
| KB3ALQ | MD | 2027-06-07in 265d | 2023-06-08 | HEBERT JR, LEO E | Expired |
| KB3AOC | PA | 2027-06-07in 265d | 2023-06-08 | HANZ, JOSEPH L | Expired |
| KB3ARM | MD | 2027-06-07in 265d | 2023-06-08 | Steyer, Michael J | Expired |
| KB3AVH | PA | 2027-06-07in 265d | 2023-06-08 | FRAME, MARY E | Expired |
| KB3AVI | PA | 2027-06-07in 265d | 2023-06-08 | KISER, LINDA J | Expired |
| KB3AVQ | PA | 2027-06-07in 265d | 2023-06-08 | LONGSTREET, ROBERT W | Expired |
| KB3AR | OR | 2027-06-09in 267d | 2025-06-09 | Clackamas Fire District 1 CERT Communications Group | Cancelled |
| KB3JWD | PA | 2027-06-09in 267d | 2023-06-10 | Fleming, Susan E | Expired |
| KB3JWE | PA | 2027-06-09in 267d | 2023-06-10 | Fleming, Kevin J | Expired |
| KB3JWG | PA | 2027-06-09in 267d | 2023-06-10 | Taylor, Scott H | Expired |
| KB3JWM | MD | 2027-06-09in 267d | 2023-06-10 | Heyde, Jonathan D | Expired |
| KB3JWQ | PA | 2027-06-10in 268d | 2023-06-11 | Frank, Peter J | Expired |
| KB3JWS | PA | 2027-06-10in 268d | 2023-06-11 | Sowatskey, Peter D | Expired |
| KB3JWT | PA | 2027-06-10in 268d | 2023-06-11 | Devore, Emmett L | Expired |
| KB3TAN | ME | 2027-06-10in 268d | 2025-06-10 | Stultz, Matthew D | Cancelled |
| KB3ISM | CO | 2027-06-11in 269d | 2023-06-12 | Manning, James C | Expired |
| KB3HEJ | PA | 2027-06-13in 271d | 2023-06-14 | Fitzgerald, Diane L | Expired |
| KB3AVW | MD | 2027-06-14in 272d | 2023-06-15 | BUSH, FRANCIS E | Expired |
| KB3JXG | PA | 2027-06-15in 273d | 2023-06-16 | Farringer, James R | Expired |
| KB3JXS | PA | 2027-06-16in 274d | 2023-06-17 | Kucnick, Paul A | Expired |
| KB3JXX | PA | 2027-06-17in 275d | 2023-06-18 | Hepfer Sr, Charles I | Expired |
| KB3JYN | PA | 2027-06-19in 277d | 2023-06-20 | Borkoski, John R | Expired |
| KB3JOR | MD | 2027-06-21in 279d | 2023-06-22 | Fletcher Jr, Owen L | Expired |
| KB3JYR | MD | 2027-06-22in 280d | 2023-06-23 | Crook, Robert A | Expired |
| KB3JZF | PA | 2027-06-23in 281d | 2023-06-24 | Jaworski, Ernest L | Expired |
| KB3IYK | DE | 2027-06-25in 283d | 2023-06-26 | Reames, Jason R | Expired |
| KB3IYL | DE | 2027-06-25in 283d | 2023-06-26 | Teague, Jaclyn C | Expired |
| KB3JPW | PA | 2027-06-25in 283d | 2023-06-26 | Price, Matthew R | Expired |
| KB3JZR | VA | 2027-06-26in 284d | 2023-06-27 | Antsilevich, Eugene | Expired |
| KB3JZS | PA | 2027-06-26in 284d | 2023-06-27 | Kuzma, Joanne E | Expired |
| KB3ASE | PA | 2027-06-28in 286d | 2023-06-29 | WILLIAMS, JEAN | Expired |
| KB3JZX | PA | 2027-06-29in 287d | 2023-06-30 | Brockett, Warren E | Expired |
| KB3CEB | FL | 2027-07-01in 289d | 2025-07-01 | BEAR, JONATHAN | Cancelled |
| KB3JYK | MD | 2027-07-01in 289d | 2023-07-02 | Haley, Patrick M | Expired |
| KB3ALZ | PA | 2027-07-02in 290d | 2023-07-03 | EISENMANN SR., ALBERT E | Expired |
| KB3KAD | MD | 2027-07-02in 290d | 2023-07-03 | Larsen, Jacob D | Expired |