Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KM4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KM4. Sorted by availability date — soonest first.
Showing 351– 400 of 1,311
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KM4AYH | AL | 2028-05-04in 597d | 2024-05-05 | Jones, David M | Expired |
| KM4AYJ | AL | 2028-05-04in 597d | 2024-05-05 | Martin, John | Expired |
| KM4AYO | SC | 2028-05-04in 597d | 2024-05-05 | HARDEN, ANGELA S | Expired |
| KM4AYS | FL | 2028-05-04in 597d | 2024-05-05 | Klotz, Edward T | Expired |
| KM4AYT | FL | 2028-05-04in 597d | 2024-05-05 | Alonso, Rodolfo | Expired |
| KM4AYU | AL | 2028-05-04in 597d | 2024-05-05 | Young Hams Of Central Alabama Amateur Radio Club | Expired |
| KM4AYX | NC | 2028-05-05in 598d | 2024-05-06 | HUNSBERGER, KARL W | Expired |
| KM4AYY | NC | 2028-05-05in 598d | 2024-05-06 | Tavilla, Paul J | Expired |
| KM4AYZ | NC | 2028-05-05in 598d | 2024-05-06 | Knight, Oscar D | Expired |
| KM4AZA | NC | 2028-05-05in 598d | 2024-05-06 | Wallace, Jeremy C | Expired |
| KM4AZB | NC | 2028-05-05in 598d | 2024-05-06 | Pertalion, Augustus J | Expired |
| KM4AZE | VA | 2028-05-05in 598d | 2024-05-06 | Fennell, Emily C | Expired |
| KM4AZG | VA | 2028-05-05in 598d | 2024-05-06 | McCartney, Angelo R | Expired |
| KM4AZH | VA | 2028-05-05in 598d | 2024-05-06 | Kurtiak, Timothy J | Expired |
| KM4AZI | VA | 2028-05-05in 598d | 2024-05-06 | Michael IV, Louis | Expired |
| KM4AZJ | VA | 2028-05-05in 598d | 2024-05-06 | Irvine, Jane L | Expired |
| KM4AZK | VA | 2028-05-05in 598d | 2024-05-06 | Monroe, Zachary W | Expired |
| KM4AZL | VA | 2028-05-05in 598d | 2024-05-06 | Langenbach, Chase A | Expired |
| KM4AZM | VA | 2028-05-05in 598d | 2024-05-06 | Catlett, John S | Expired |
| KM4AZO | SC | 2028-05-05in 598d | 2024-05-06 | Ucciferri, Carina R | Expired |
| KM4AZP | VA | 2028-05-05in 598d | 2024-05-06 | Brann, Ryan E | Expired |
| KM4AZQ | VA | 2028-05-05in 598d | 2024-05-06 | Wylie, Kenneth | Expired |
| KM4AZR | VA | 2028-05-05in 598d | 2024-05-06 | Miller, Nicholas A | Expired |
| KM4AZS | VA | 2028-05-05in 598d | 2024-05-06 | Stickle, Christopher C | Expired |
| KM4AZT | VA | 2028-05-05in 598d | 2024-05-06 | Riddle, Jason S | Expired |
| KM4AZV | VA | 2028-05-05in 598d | 2024-05-06 | Sclater, Michael W | Expired |
| KM4AZZ | FL | 2028-05-05in 598d | 2024-05-06 | Hanville, Jackie | Expired |
| KM4BAA | FL | 2028-05-05in 598d | 2024-05-06 | Hanville, Matthew S | Expired |
| KM4BAB | TN | 2028-05-05in 598d | 2024-05-06 | Brown, Henry M | Expired |
| KM4BAC | TN | 2028-05-05in 598d | 2024-05-06 | GOLDEN, UYLESS W | Expired |
| KM4BAE | TN | 2028-05-05in 598d | 2024-05-06 | Kenney, Erik B | Expired |
| KM4BAK | FL | 2028-05-05in 598d | 2024-05-06 | HERMANNS SR, MARK S | Expired |
| KM4BAN | FL | 2028-05-06in 599d | 2024-05-07 | Fulton, Ernest A | Expired |
| KM4BAP | FL | 2028-05-06in 599d | 2024-05-07 | GOODALE, GLENN A | Expired |
| KM4BAQ | FL | 2028-05-06in 599d | 2024-05-07 | OWENS, IAN R | Expired |
| KM4BAV | FL | 2028-05-07in 600d | 2024-05-08 | Hosmer, James B | Expired |
| KM4BAW | FL | 2028-05-07in 600d | 2024-05-08 | Vogel, Travis | Expired |
| KM4BAY | FL | 2028-05-07in 600d | 2024-05-08 | Brady, Adam J | Expired |
| KM4BAZ | FL | 2028-05-07in 600d | 2024-05-08 | West, Jeff C | Expired |
| KM4BBB | VA | 2028-05-07in 600d | 2024-05-08 | Beckman, Peter C | Expired |
| KM4BBE | GA | 2028-05-07in 600d | 2024-05-08 | HEISE, DAVID B | Expired |
| KM4BBG | FL | 2028-05-07in 600d | 2024-05-08 | WOODWARD, RICHARD D | Expired |
| KM4BBH | FL | 2028-05-07in 600d | 2024-05-08 | ALLEN, CHARLES K | Expired |
| KM4BBI | FL | 2028-05-07in 600d | 2024-05-08 | HAYES JR, DONALD L | Expired |
| KM4BBJ | FL | 2028-05-07in 600d | 2024-05-08 | BRAXTON, DAVID A | Expired |
| KM4BBK | FL | 2028-05-07in 600d | 2024-05-08 | TUCKER, THOMAS H | Expired |
| KM4BBL | FL | 2028-05-07in 600d | 2024-05-08 | MC AULIFFE, KATHRYN L | Expired |
| KM4BBM | FL | 2028-05-07in 600d | 2024-05-08 | GRANT, KEVIN M | Expired |
| KM4BBQ | FL | 2028-05-07in 600d | 2024-05-08 | TYSON, CARLOS L | Expired |
| KM4BBR | FL | 2028-05-07in 600d | 2024-05-08 | THOMAS, KIMANI K | Expired |