Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC3. Sorted by availability date — soonest first.
Showing 501– 550 of 1,258
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3BDM | PA | 2027-08-21in 340d | 2023-08-22 | Horn Sr, Charles J | Expired |
| KC3WTS | PA | 2027-08-22in 341d | 2025-08-22 | NOVAK, NEJC | Cancelled |
| KC3RHR | PA | 2027-08-24in 343d | 2025-08-24 | Petrulionis III, Joseph M | Cancelled |
| KC3BDT | DE | 2027-08-25in 344d | 2023-08-26 | Billings, Brent E | Expired |
| KC3BDU | DE | 2027-08-25in 344d | 2023-08-26 | Brown Sr, Scott A | Expired |
| KC3BDV | DE | 2027-08-25in 344d | 2023-08-26 | Dantinne, Clint A | Expired |
| KC3BDW | DE | 2027-08-25in 344d | 2023-08-26 | Fitzwater Sr, Byron F | Expired |
| KC3BDX | DE | 2027-08-25in 344d | 2023-08-26 | Foraker, Bobbi J | Expired |
| KC3BDY | DE | 2027-08-25in 344d | 2023-08-26 | Foraker, Jeffrey M | Expired |
| KC3BEA | DE | 2027-08-25in 344d | 2023-08-26 | Getty, Loretta A | Expired |
| KC3BEB | DE | 2027-08-25in 344d | 2023-08-26 | Ginn, Christopher J | Expired |
| KC3BEC | DE | 2027-08-25in 344d | 2023-08-26 | Golden, Nicholas J | Expired |
| KC3BED | DE | 2027-08-25in 344d | 2023-08-26 | Hampton II, Bruce W | Expired |
| KC3BEH | DE | 2027-08-25in 344d | 2023-08-26 | Schaeffer, James B | Expired |
| KC3BEK | DE | 2027-08-25in 344d | 2023-08-26 | Scott, Gregory E | Expired |
| KC3BEL | DE | 2027-08-25in 344d | 2023-08-26 | Sullivan, Larry D | Expired |
| KC3BEM | DE | 2027-08-25in 344d | 2023-08-26 | Frail, David A | Expired |
| KC3BEN | DE | 2027-08-25in 344d | 2023-08-26 | Rogers, Jeffrey W | Expired |
| KC3BEO | PA | 2027-08-26in 345d | 2023-08-27 | Hoeck, Eric T | Expired |
| KC3UCQ | MD | 2027-08-26in 345d | 2025-08-26 | Wallace, Brian | Cancelled |
| KC3BEQ | PA | 2027-08-27in 346d | 2023-08-28 | Vale, Adam | Expired |
| KC3BES | PA | 2027-08-27in 346d | 2023-08-28 | Haberstick, Jason P | Expired |
| KC3BEU | PA | 2027-08-27in 346d | 2023-08-28 | Bulwinkle II, George E | Expired |
| KC3BEZ | MD | 2027-08-27in 346d | 2023-08-28 | Friesen, Timothee J | Expired |
| KC3MWK | NC | 2027-08-29in 348d | 2025-08-29 | Heggan, Bruce A | Cancelled |
| KC3UKF | PA | 2027-08-29in 348d | 2025-08-29 | Birden, Drew | Cancelled |
| KC3VCB | MD | 2027-09-03in 353d | 2025-09-03 | Garrett, Robert M | Cancelled |
| KC3VFL | PA | 2027-09-03in 353d | 2025-09-03 | Cooley, Gar E | Cancelled |
| KC3BFD | MD | 2027-09-08in 358d | 2023-09-09 | CANTY, MAXINE | Expired |
| KC3BFG | NY | 2027-09-08in 358d | 2023-09-09 | Eldred, James C | Expired |
| KC3BFJ | PA | 2027-09-08in 358d | 2023-09-09 | Coutts, Robert A | Expired |
| KC3BFL | PA | 2027-09-10in 360d | 2023-09-11 | Brander, Ron | Expired |
| KC3BFN | PA | 2027-09-11in 361d | 2023-09-12 | Henry, James B | Expired |
| KC3BFP | PA | 2027-09-11in 361d | 2023-09-12 | Brand Sr, Martin S | Expired |
| KC3BFQ | PA | 2027-09-11in 361d | 2023-09-12 | Forkal, Darlene D | Expired |
| KC3BFR | PA | 2027-09-11in 361d | 2023-09-12 | Smith, Derek R | Expired |
| KC3BFV | PA | 2027-09-12in 362d | 2023-09-13 | Reynolds, Michael J | Expired |
| KC3ZCI | MD | 2027-09-12in 362d | 2025-09-12 | Bryce, Glenn M | Cancelled |
| KC3ZRH | MD | 2027-09-12in 362d | 2025-09-12 | Komenda, Jeffrey J | Cancelled |
| KC3BFX | MD | 2027-09-15in 365d | 2023-09-16 | Litwiller, Stephen D | Expired |
| KC3BGC | PA | 2027-09-15in 365d | 2023-09-16 | Gaudlip, Bradley J | Expired |
| KC3BGE | PA | 2027-09-15in 365d | 2023-09-16 | Walker, David T | Expired |
| KC3BGF | PA | 2027-09-15in 365d | 2023-09-16 | Spaid, Matthew R | Expired |
| KC3BGG | PA | 2027-09-15in 365d | 2023-09-16 | Molchany, Andrew S | Expired |
| KC3BGH | PA | 2027-09-15in 365d | 2023-09-16 | Molchany, Bradford A | Expired |
| KC3BGI | PA | 2027-09-15in 365d | 2023-09-16 | Springer, Ronald J | Expired |
| KC3BGM | PA | 2027-09-15in 365d | 2023-09-16 | Walters, Regis L | Expired |
| KC3BGO | PA | 2027-09-15in 365d | 2023-09-16 | Sakmar, Noah J | Expired |
| KC3BGP | PA | 2027-09-15in 365d | 2023-09-16 | Sakmar, Benjamin M | Expired |
| KC3BGS | PA | 2027-09-15in 365d | 2023-09-16 | McCoy, Riley J | Expired |