Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KS4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KS4. Sorted by availability date — soonest first.
Showing 1– 50 of 63
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KS4FNA | OH | 2026-11-23in 75d | 2024-11-23 | Shafeek, Safna | Cancelled |
| KS4DS | FL | 2027-01-02in 115d | 2023-01-03 | JENNISON, ALAN B | Expired |
| KS4AS | GA | 2027-01-04in 117d | 2023-01-05 | BURMEISTER, JAMES B | Expired |
| KS4QU | FL | 2027-01-18in 131d | 2023-01-19 | GARCIA, PETER | Expired |
| KS4DO | VA | 2027-03-04in 176d | 2023-03-05 | FATICO, FRANK A | Expired |
| KS4HV | SC | 2027-03-15in 187d | 2023-03-16 | DEESE, PAUL D | Expired |
| KS4LR | NC | 2027-03-22in 194d | 2023-03-23 | DEVER, CARL R | Expired |
| KS4RQ | AL | 2027-03-29in 201d | 2023-03-30 | AARON, LARRY E | Expired |
| KS4TX | GA | 2027-04-22in 225d | 2023-04-23 | PESCE, ANTHONY L | Expired |
| KS4WX | GA | 2027-05-17in 250d | 2023-05-18 | JENKINS JR, HERNDON H | Expired |
| KS4IB | NC | 2027-05-20in 253d | 2023-05-21 | ANDERSON, LARRY C | Expired |
| KS4BS | TN | 2027-05-31in 264d | 2023-06-01 | MC NEAL, B KENNETH | Expired |
| KS4KG | NC | 2027-05-31in 264d | 2023-06-01 | CALL, EDWIN C | Expired |
| KS4SU | AL | 2027-05-31in 264d | 2023-06-01 | SMITHSON MR, MORRIS K | Expired |
| KS4LB | OH | 2027-06-18in 282d | 2023-06-19 | OLDHAM, ROBERT W | Expired |
| KS4GVS | NM | 2027-06-28in 292d | 2023-06-29 | Sauer, Steven K | Expired |
| KS4WH | NC | 2027-08-09in 334d | 2023-08-10 | POIDOMANI, LYNDA R | Expired |
| KS4ZY | GA | 2027-08-13in 338d | 2023-08-14 | LAMIE, EUGENE F | Expired |
| KS4JY | GA | 2027-08-16in 341d | 2023-08-17 | JONES, IRA L | Expired |
| KS4TR | KY | 2027-08-29in 354d | 2025-08-29 | Anderson Co Contest Group | Cancelled |
| KS4FJ | FL | 2027-08-30in 355d | 2023-08-31 | FOSTER, DANIEL S | Expired |
| KS4SI | TN | 2027-09-06in 362d | 2023-09-07 | LAMBDIN, JERRY | Expired |
| KS4PT | FL | 2027-09-09in 365d | 2023-09-10 | Schweikert Jr, John F | Expired |
| KS4QA | GA | 2027-09-13in 369d | 2023-09-14 | CASE JR, MALCOLM B | Expired |
| KS4UY | NM | 2027-09-16in 372d | 2023-09-17 | DILLON, DAVID A | Expired |
| KS4HO | FL | 2027-09-20in 376d | 2023-09-21 | LESTER, MARY B | Expired |
| KS4JQ | GA | 2027-09-20in 376d | 2023-09-21 | Hayden, Robert | Expired |
| KS4CC | GA | 2028-03-04in 542d | 2024-03-05 | HUNT, DAVID W | Expired |
| KS4DC | VA | 2028-03-04in 542d | 2024-03-05 | AMBURGEY, JUDY A | Expired |
| KS4DE | NC | 2028-03-04in 542d | 2024-03-05 | MC COY, JAMES W | Expired |
| KS4FI | FL | 2028-03-04in 542d | 2024-03-05 | Keedy, Mervin L | Expired |
| KS4FT | AL | 2028-03-04in 542d | 2024-03-05 | O Linger, Roger D | Expired |
| KS4IS | CA | 2028-03-04in 542d | 2024-03-05 | KUNKEE, ELIZABETH T | Expired |
| KS4JC | FL | 2028-03-04in 542d | 2024-03-05 | MOREHOUSE, ROBERT S | Expired |
| KS4LN | FL | 2028-03-04in 542d | 2024-03-05 | NEWMAN III, JESSE W | Expired |
| KS4OX | NC | 2028-03-04in 542d | 2024-03-05 | MAYA SCOTT, ELENA G | Expired |
| KS4RU | SC | 2028-03-04in 542d | 2024-03-05 | EUBANKS, BILLY | Expired |
| KS4WI | TX | 2028-03-04in 542d | 2024-03-05 | BEST, PETER | Expired |
| KS4WV | NC | 2028-03-04in 542d | 2024-03-05 | Creswell, Sarah D | Expired |
| KS4YD | NC | 2028-03-04in 542d | 2024-03-05 | HEDRICK, MARVIN D | Expired |
| KS4JB | VA | 2028-03-14in 552d | 2024-03-15 | Miller, David B | Expired |
| KS4DK | CA | 2028-03-26in 564d | 2024-03-27 | LANKFORD II, JOSEPH J | Expired |
| KS4BC | FL | 2028-03-28in 566d | 2024-03-29 | West, Norman E | Expired |
| KS4PS | FL | 2028-03-28in 566d | 2024-03-29 | MUNIZ, ROGELIO | Expired |
| KS4QB | VA | 2028-03-28in 566d | 2024-03-29 | MARTIN, C JOHN | Expired |
| KS4CB | NC | 2028-04-04in 573d | 2024-04-05 | Grady, Charles R | Expired |
| KS4RO | GA | 2028-04-11in 580d | 2024-04-12 | PRYSOCK, LINDA F | Expired |
| KS4ED | NC | 2028-04-18in 587d | 2024-04-19 | DINGMAN, ALAN R | Expired |
| KS4QN | GA | 2028-05-02in 601d | 2024-05-03 | BAGGETT, FRANKLIN M | Expired |
| KS4AC | AL | 2028-05-23in 622d | 2024-05-24 | Thibodaux, Paul T | Expired |