Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KC3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC3. Sorted by availability date — soonest first.
Showing 1,101– 1,150 of 1,265
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3CZO | MD | 2028-06-09in 632d | 2024-06-10 | Takano, Glenn K | Expired |
| KC3CZQ | MD | 2028-06-09in 632d | 2024-06-10 | Parsons, Justin | Expired |
| KC3CZR | MD | 2028-06-09in 632d | 2024-06-10 | Miloshevsky Jr, Joseph H | Expired |
| KC3CZS | MD | 2028-06-09in 632d | 2024-06-10 | McGinnis, Michael T | Expired |
| KC3CZV | PA | 2028-06-09in 632d | 2024-06-10 | CROWE, CURTIS W | Expired |
| KC3CZW | MD | 2028-06-09in 632d | 2024-06-10 | RADOWSKI, MICHAEL D | Expired |
| KC3CZZ | PA | 2028-06-11in 634d | 2024-06-12 | Sydnes, Abigail E | Expired |
| KC3DAC | PA | 2028-06-11in 634d | 2024-06-12 | Evans, Bryan W | Expired |
| KC3DAE | PA | 2028-06-11in 634d | 2024-06-12 | Ferraro, Frank P | Expired |
| KC3DAF | PA | 2028-06-11in 634d | 2024-06-12 | Moore, Robert C | Expired |
| KC3DAJ | DE | 2028-06-12in 635d | 2024-06-13 | Gebbia, Paul J | Expired |
| KC3DAK | DE | 2028-06-12in 635d | 2024-06-13 | Kenton, Heidi L | Expired |
| KC3DAL | MD | 2028-06-12in 635d | 2024-06-13 | Sherwood, Thomas S | Expired |
| KC3DAP | MD | 2028-06-15in 638d | 2024-06-16 | Pondo II, Kenneth J | Expired |
| KC3DAR | MD | 2028-06-15in 638d | 2024-06-16 | Seidel, Frederick T | Expired |
| KC3ZVQ | PA | 2028-06-15in 638d | 2026-06-16 | Molly And Friends ARC | Cancelled |
| KC3DAU | PA | 2028-06-16in 639d | 2024-06-17 | Ehrenhardt, Joseph R | Expired |
| KC3DAW | PA | 2028-06-16in 639d | 2024-06-17 | Kusner, Stephen J | Expired |
| KC3DAX | DE | 2028-06-16in 639d | 2024-06-17 | Gesualdi, Jonathan L | Expired |
| KC3DAY | DE | 2028-06-16in 639d | 2024-06-17 | Lodge, Trey D | Expired |
| KC3DBA | PA | 2028-06-17in 640d | 2024-06-18 | Sechrist, Lynn D | Expired |
| KC3DBC | PA | 2028-06-17in 640d | 2024-06-18 | Baker, Brian R | Expired |
| KC3DBE | PA | 2028-06-17in 640d | 2024-06-18 | Crawford, Vickie J | Expired |
| KC3DBH | PA | 2028-06-17in 640d | 2024-06-18 | Boyer, John L | Expired |
| KC3DBI | PA | 2028-06-18in 641d | 2024-06-19 | Hickin, Matthew | Expired |
| KC3DBJ | PA | 2028-06-18in 641d | 2024-06-19 | Hickin, Jeffrey A | Expired |
| KC3DBL | NJ | 2028-06-18in 641d | 2024-06-19 | Farkas, Paul J | Expired |
| KC3DBM | PA | 2028-06-18in 641d | 2024-06-19 | Fowler, Corey G | Expired |
| KC3DBQ | PA | 2028-06-19in 642d | 2024-06-20 | Fisher, Patrick J | Expired |
| KC3PDR | PA | 2028-06-19in 642d | 2024-06-20 | Rameas, Peter D | Expired |
| KC3NR | MD | 2028-06-21in 644d | 2024-06-22 | HARTGE, JOHN L | Expired |
| KC3DBT | MD | 2028-06-22in 645d | 2024-06-23 | Yu, Joshua | Expired |
| KC3DBU | MD | 2028-06-22in 645d | 2024-06-23 | Johnson, Holly L | Expired |
| KC3DBY | MD | 2028-06-22in 645d | 2024-06-23 | McCree, Todd D | Expired |
| KC3DBZ | MD | 2028-06-22in 645d | 2024-06-23 | Racine, Nicole S | Expired |
| KC3DCA | MD | 2028-06-22in 645d | 2024-06-23 | McGuffey, Megan B | Expired |
| KC3DCB | MD | 2028-06-22in 645d | 2024-06-23 | Brown, Barclay | Expired |
| KC3DCF | MD | 2028-06-23in 646d | 2024-06-24 | Fesenko, Victor | Expired |
| KC3DCJ | MD | 2028-06-24in 647d | 2024-06-25 | Hall III, Irving B | Expired |
| KC3DCK | MD | 2028-06-24in 647d | 2024-06-25 | Edgar IV, Robert J | Expired |
| KC3DCN | MD | 2028-06-24in 647d | 2024-06-25 | Miner, Michael L | Expired |
| KC3DCP | MD | 2028-06-24in 647d | 2024-06-25 | Phillips Jr, Glenn J | Expired |
| KC3DCS | MD | 2028-06-24in 647d | 2024-06-25 | Segora, Oriel A | Expired |
| KC3DCV | MD | 2028-06-24in 647d | 2024-06-25 | Fryer, Caleb N | Expired |
| KC3DCW | MD | 2028-06-24in 647d | 2024-06-25 | Mills, Judah D | Expired |
| KC3DCX | PA | 2028-06-24in 647d | 2024-06-25 | SMITH, CALEB | Expired |
| KC3DCY | PA | 2028-06-24in 647d | 2024-06-25 | VAN VLEET, CALVIN J | Expired |
| KC3DCZ | PA | 2028-06-24in 647d | 2024-06-25 | Keen, Kyle | Expired |
| KC3DDC | MD | 2028-06-25in 648d | 2024-06-26 | Warren, Robert L | Expired |
| KC3DDH | PA | 2028-06-25in 648d | 2024-06-26 | Lopez, Jason G | Expired |