Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with K4. Sorted by availability date — soonest first.
Showing 51– 100 of 480
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| K4ASO | FL | 2026-12-21in 103d | 2022-12-22 | Smith Jr, Guy H | Expired |
| K4VLR | NC | 2026-12-21in 103d | 2022-12-22 | BROWN JR, CHARLES E | Expired |
| K4JQR | NC | 2026-12-28in 110d | 2022-12-29 | WILLIAMS, ROBERT W | Expired |
| K4LWH | VA | 2026-12-31in 113d | 2024-12-31 | HAWKINS, LARRY S | Cancelled |
| K4PGX | GA | 2027-01-02in 115d | 2023-01-03 | BEARDEN, ROBERT N | Expired |
| K4HRX | NC | 2027-01-11in 124d | 2023-01-12 | DEASON, PAUL E | Expired |
| K4JIR | SC | 2027-01-11in 124d | 2023-01-12 | WILDER, CELESTE W | Expired |
| K4PIA | SC | 2027-01-11in 124d | 2023-01-12 | WILDER, JAMES P | Expired |
| K4UOX | TN | 2027-01-11in 124d | 2023-01-12 | DICKEY, ELDIE L | Expired |
| K4YDV | FL | 2027-01-17in 130d | 2025-01-17 | FORD-HOPKINS, DANIEL F | Cancelled |
| K4FAS | FL | 2027-01-18in 131d | 2023-01-19 | DELANEY, JOHN E | Expired |
| K4ITX | MN | 2027-01-18in 131d | 2023-01-19 | HAGEN, THOMAS E | Expired |
| K4VAH | FL | 2027-01-18in 131d | 2023-01-19 | ENGLE, CLIFFORD L | Expired |
| K4TJY | TN | 2027-01-21in 134d | 2023-01-22 | RUSSELL JR, RONALD F | Expired |
| K4MGM | UT | 2027-01-22in 135d | 2025-01-22 | COLD, SHERMAN J | Cancelled |
| K4WTN | AL | 2027-01-23in 136d | 2023-01-24 | Radvillas, John C | Expired |
| K4VOM | TN | 2027-01-24in 137d | 2023-01-25 | Simms, James B | Expired |
| K4RSS | SC | 2027-01-25in 138d | 2025-01-25 | Stacey, Richard S | Cancelled |
| K4FLH | TN | 2027-01-28in 141d | 2025-01-28 | PRICE, WILLIAM M | Cancelled |
| K4JFS | TN | 2027-01-28in 141d | 2023-01-29 | SAYLOR JR, JOHNNY F | Expired |
| K4JJC | SC | 2027-01-28in 141d | 2023-01-29 | McCann, Barbara J | Expired |
| K4MZF | WA | 2027-02-03in 147d | 2025-02-03 | PEARCE, ROBERT E | Cancelled |
| K4WHW | AL | 2027-02-04in 148d | 2023-02-05 | HIXON, KENNETH D | Expired |
| K4AFU | FL | 2027-02-08in 152d | 2025-02-08 | Ulloa, Adrian F | Cancelled |
| K4DOU | SC | 2027-02-08in 152d | 2023-02-09 | HAYES SR, JOHN C | Expired |
| K4BQE | OH | 2027-02-10in 154d | 2023-02-11 | Wrenn, Tom | Expired |
| K4UAP | AL | 2027-02-11in 155d | 2025-02-11 | Hall, Halen L | Cancelled |
| K4CLD | GA | 2027-02-12in 156d | 2023-02-13 | DURPO JR, CHIP C | Expired |
| K4MMD | FL | 2027-02-13in 157d | 2023-02-14 | DURPO, MELANIE M | Expired |
| K4CLO | VA | 2027-02-14in 158d | 2023-02-15 | Olinger, Cheryl L | Expired |
| K4ECH | AZ | 2027-02-14in 158d | 2025-02-14 | Harkness, Eric C | Cancelled |
| K4ABT | VA | 2027-02-15in 159d | 2023-02-16 | ROGERS SR, GLYNN E | Expired |
| K4HIX | TX | 2027-02-15in 159d | 2023-02-16 | PEEL, DAVID L | Expired |
| K4MOL | TN | 2027-02-15in 159d | 2023-02-16 | FRANCIS, JOHN P | Expired |
| K4WOB | VA | 2027-02-15in 159d | 2023-02-16 | MULLINS, CARL V | Expired |
| K4GPD | FL | 2027-02-18in 162d | 2023-02-19 | BOLLIGER, JAMES A | Expired |
| K4ORB | NC | 2027-02-18in 162d | 2023-02-19 | Korb Sr, Robert D | Expired |
| K4TFW | NC | 2027-02-18in 162d | 2023-02-19 | WATTS, THOMAS F | Expired |
| K4TZR | TX | 2027-02-19in 163d | 2023-02-20 | Flori, Sheila R | Expired |
| K4SXX | NC | 2027-02-21in 165d | 2023-02-22 | FEATHERSTON, HOWARD S | Expired |
| K4DWG | AL | 2027-02-24in 168d | 2023-02-25 | SANDERS, JOHN F | Expired |
| K4LAY | FL | 2027-02-24in 168d | 2023-02-25 | SINGH, BOB H | Expired |
| K4FDX | GA | 2027-02-28in 172d | 2025-02-28 | BAILEY, GARY R | Cancelled |
| K4JLT | VA | 2027-02-28in 172d | 2025-02-28 | Thibodeau Sr, Joseph L | Cancelled |
| K4HFQ | AL | 2027-03-01in 173d | 2023-03-02 | LYEMANCE, HOMER D | Expired |
| K4CJG | GA | 2027-03-04in 176d | 2023-03-05 | Gould Jr, Curtis J | Expired |
| K4CIS | FL | 2027-03-07in 179d | 2023-03-08 | Arceneaux, John | Expired |
| K4URE | NC | 2027-03-08in 180d | 2023-03-09 | Uwharrie QRP Club | Expired |
| K4BGC | NC | 2027-03-10in 182d | 2023-03-11 | Conner Jr, Bobby G | Expired |
| K4KYK | NC | 2027-03-10in 182d | 2023-03-11 | KNIGHT, JAMES R | Expired |