Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC3. Sorted by availability date — soonest first.
Showing 801– 850 of 1,265
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC3CBP | PA | 2028-03-04in 535d | 2024-03-05 | Taylor, Brian G | Expired |
| KC3CBR | PA | 2028-03-04in 535d | 2024-03-05 | Mosqueda, Daniel G | Expired |
| KC3CBS | PA | 2028-03-04in 535d | 2024-03-05 | McGary, Lois J | Expired |
| KC3CBT | PA | 2028-03-04in 535d | 2024-03-05 | Young, Clinton H | Expired |
| KC3CBU | PA | 2028-03-04in 535d | 2024-03-05 | Vukmer, Nicholas B | Expired |
| KC3CBV | PA | 2028-03-04in 535d | 2024-03-05 | Randal, Ellen M | Expired |
| KC3CBW | PA | 2028-03-04in 535d | 2024-03-05 | Hough, Kimberly | Expired |
| KC3CCA | DE | 2028-03-04in 535d | 2024-03-05 | Potocki, Jason C | Expired |
| KC3CCC | MD | 2028-03-04in 535d | 2024-03-05 | Winebrenner Jr, William C | Expired |
| KC3CCI | MD | 2028-03-04in 535d | 2024-03-05 | DIETS, BRENDEN R | Expired |
| KC3CCM | MD | 2028-03-04in 535d | 2024-03-05 | REN, DAVID E | Expired |
| KC3CCP | MD | 2028-03-04in 535d | 2024-03-05 | COLVIN, ERIC S | Expired |
| KC3CCR | MD | 2028-03-04in 535d | 2024-03-05 | PATENAUDE, BLYTHE J | Expired |
| KC3CCS | MD | 2028-03-04in 535d | 2024-03-05 | WOOD, NICHOLAS E | Expired |
| KC3CCT | PA | 2028-03-04in 535d | 2024-03-05 | DuFour, Louis | Expired |
| KC3CCU | PA | 2028-03-04in 535d | 2024-03-05 | Rhine Jr, Kenneth R | Expired |
| KC3CCX | PA | 2028-03-04in 535d | 2024-03-05 | Brophy, Chris A | Expired |
| KC3CCY | MD | 2028-03-04in 535d | 2024-03-05 | Hoeckel, Shane A | Expired |
| KC3CCZ | MD | 2028-03-04in 535d | 2024-03-05 | Wedderburn Jr, Cosburn H | Expired |
| KC3CDC | PA | 2028-03-04in 535d | 2024-03-05 | COX, SCOTT H | Expired |
| KC3CDH | PA | 2028-03-04in 535d | 2024-03-05 | Gu, Yizhu | Expired |
| KC3CDQ | PA | 2028-03-04in 535d | 2024-03-05 | Gilhooley, Michael G | Expired |
| KC3CDS | PA | 2028-03-04in 535d | 2024-03-05 | Sedlmeyer, Thomas S | Expired |
| KC3CDT | PA | 2028-03-04in 535d | 2024-03-05 | Nagle Jr, Gary L | Expired |
| KC3CEA | PA | 2028-03-04in 535d | 2024-03-05 | Moucheron, Shawn R | Expired |
| KC3CEC | MD | 2028-03-04in 535d | 2024-03-05 | KLINE, TOM C | Expired |
| KC3CED | MD | 2028-03-04in 535d | 2024-03-05 | ALLNUTT, JASON B | Expired |
| KC3CEG | PA | 2028-03-04in 535d | 2024-03-05 | Erb, George A | Expired |
| KC3CEJ | MD | 2028-03-04in 535d | 2024-03-05 | Bowie, Clifton E | Expired |
| KC3CEM | PA | 2028-03-04in 535d | 2024-03-05 | Eisner, Natalie R | Expired |
| KC3CEN | PA | 2028-03-04in 535d | 2024-03-05 | Furuya, Takashi | Expired |
| KC3CEO | PA | 2028-03-04in 535d | 2024-03-05 | Cao, Da | Expired |
| KC3CER | PA | 2028-03-04in 535d | 2024-03-05 | Xing, Steven H | Expired |
| KC3CES | PA | 2028-03-04in 535d | 2024-03-05 | Guo, Yixuan | Expired |
| KC3CEV | PA | 2028-03-04in 535d | 2024-03-05 | Santoro II, Patrick J | Expired |
| KC3DSY | PA | 2028-03-04in 535d | 2024-03-05 | BRUMBAUGH, STEVEN C | Expired |
| KC3LOU | PA | 2028-03-04in 535d | 2024-03-05 | Scerbo, Louis N | Expired |
| KC3TE | MD | 2028-03-04in 535d | 2024-03-05 | BARRY, THOMAS C | Expired |
| KC3UH | MD | 2028-03-04in 535d | 2024-03-05 | BARRY, JAMES F | Expired |
| KC3CFA | CA | 2028-03-05in 536d | 2024-03-06 | Novinski III, Joseph S | Expired |
| KC3CFB | MD | 2028-03-05in 536d | 2024-03-06 | Brown, James M | Expired |
| KC3ZST | DC | 2028-03-05in 536d | 2026-03-06 | Mughogho, Mwabi | Cancelled |
| KC3CFG | PA | 2028-03-06in 537d | 2024-03-07 | Ellis, Lori O | Expired |
| KC3CFK | PA | 2028-03-06in 537d | 2024-03-07 | Swanson, Christopher T | Expired |
| KC3CFL | PA | 2028-03-06in 537d | 2024-03-07 | Swanson, Marie A | Expired |
| KC3CFM | PA | 2028-03-06in 537d | 2024-03-07 | SMITH, TYLER J | Expired |
| KC3CFO | PA | 2028-03-09in 540d | 2024-03-10 | Bergey, Steven J | Expired |
| KC3CFP | PA | 2028-03-09in 540d | 2024-03-10 | Pratt Jr, Harold R | Expired |
| KC3CFR | MD | 2028-03-10in 541d | 2024-03-11 | Calhoun, Donald L | Expired |
| KC3CFS | MD | 2028-03-10in 541d | 2024-03-11 | McLendon, Michael S | Expired |