District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4MSU | 10 | 51 | 2036-11-04 | — | Active (Vanity) |
| K4MSV | 9 | 53 | — | — | Available |
| K4MSW | 9 | 53 | 2029-02-10 | — | Active (Vanity) |
| K4MSX | 9 | 55 | 2036-06-20 | — | Active (Vanity) |
| K4MSY | 9 | 57 | — | — | Available |
| K4MSZ | 9 | 55 | — | — | Available |
| K4MTA | 8 | 47 | 2033-06-22 | — | Active (Vanity) |
| K4MTB | 8 | 51 | 2036-02-17 | — | Active (Vanity) |
| K4MTC | 8 | 53 | 2028-09-26 | — | Active (Vanity) |
| K4MTD | 8 | 49 | — | — | Available |
| K4MTE | 8 | 43 | 2019-04-17 | 2021-04-18 | Available |
| K4MTF | 8 | 51 | 2036-02-20 | — | Active (Vanity) |
| K4MTG | 7 | 51 | 2028-08-17 | — | Active |
| K4MTH | 8 | 49 | 2032-07-26 | — | Active (Vanity) |
| K4MTI | 9 | 45 | 2021-02-23 | 2023-02-24 | Available |
| K4MTJ | 9 | 55 | 2028-09-09 | — | Active (Vanity) |
| K4MTK | 8 | 51 | 2028-03-18 | — | Active (Vanity) |
| K4MTL | 8 | 51 | 2020-04-11 | 2022-04-12 | Available |
| K4MTM | 7 | 49 | 2026-04-01 | — | Active (Vanity) |
| K4MTN | 9 | 47 | 2034-12-31 | — | Active (Vanity) |
| K4MTO | 8 | 53 | 2030-09-29 | — | Active (Vanity) |
| K4MTP | 8 | 53 | 2028-06-20 | — | Active (Vanity) |
| K4MTQ | 8 | 55 | — | — | Available |
| K4MTR | 9 | 49 | 2036-07-02 | — | Active (Vanity) |
| K4MTS | 9 | 47 | 2029-10-19 | — | Active (Vanity) |
| K4MTT | 8 | 45 | 2035-12-09 | — | Active (Vanity) |
| K4MTU | 9 | 49 | 2035-06-17 | — | Active (Vanity) |
| K4MTV | 8 | 51 | 2029-05-01 | — | Active (Vanity) |
| K4MTW | 8 | 51 | 2034-02-01 | — | Active (Vanity) |
| K4MTX | 8 | 53 | 2028-09-26 | — | Active (Vanity) |
| K4MTY | 8 | 55 | 2021-06-29 | 2023-06-30 | Available |
| K4MTZ | 8 | 53 | 2034-11-15 | — | Active (Vanity) |
| K4MUA | 9 | 51 | — | — | Available |
| K4MUB | 9 | 55 | — | — | Available |
| K4MUC | 9 | 57 | — | — | Available |
| K4MUD | 9 | 53 | 2035-09-09 | — | Active (Vanity) |
| K4MUE | 9 | 47 | 2017-01-31 | 2019-02-01 | Available |
| K4MUF | 9 | 55 | 2024-10-03 | 2026-10-04 | Available |
| K4MUG | 8 | 55 | 2036-11-03 | — | Active (Vanity) |
| K4MUH | 9 | 53 | — | — | Available |
| K4MUI | 10 | 49 | — | — | Available |
| K4MUJ | 10 | 59 | — | — | Available |
| K4MUK | 9 | 55 | 2006-12-15 | 2008-12-16 | Available |
| K4MUL | 9 | 55 | 2034-01-04 | — | Active |
| K4MUM | 8 | 53 | 2028-05-16 | — | Active (Vanity) |
| K4MUN | 10 | 51 | 2028-02-17 | — | Active (Vanity) |
| K4MUO | 9 | 57 | 2019-02-03 | 2021-02-04 | Available |
| K4MUP | 9 | 57 | 2027-11-21 | — | Active |
| K4MUQ | 9 | 59 | — | — | Available |
| K4MUR | 10 | 53 | — | — | Available |
| K4MUS | 10 | 51 | 2027-12-27 | — | Active (Vanity) |
| K4MUT | 9 | 49 | 2028-04-06 | — | Active |
| K4MUU | 10 | 53 | — | — | Available |
| K4MUV | 9 | 55 | — | — | Available |
| K4MUW | 9 | 55 | 2031-07-17 | — | Active (Vanity) |
| K4MUX | 9 | 57 | — | — | Available |
| K4MUY | 9 | 59 | — | — | Available |
| K4MUZ | 9 | 57 | — | — | Available |
| K4MVA | 8 | 53 | 2035-02-23 | — | Active (Vanity) |
| K4MVB | 8 | 57 | 1999-10-04 | 2001-10-05 | Available |
| K4MVC | 8 | 59 | 2018-03-12 | 2020-03-13 | Available |
| K4MVD | 8 | 55 | 2028-04-30 | — | Active |
| K4MVE | 8 | 49 | — | — | Available |
| K4MVF | 8 | 57 | — | — | Available |
| K4MVG | 7 | 57 | 2029-02-26 | — | Active (Vanity) |
| K4MVH | 8 | 55 | 2014-09-11 | 2016-09-12 | Available |
| K4MVI | 9 | 51 | — | — | Available |
| K4MVJ | 9 | 61 | 2028-07-11 | — | Active (Vanity) |
| K4MVK | 8 | 57 | — | — | Available |
| K4MVL | 8 | 57 | 2028-04-10 | — | Active |
| K4MVM | 7 | 55 | 2028-07-28 | — | Active (Vanity) |
| K4MVN | 9 | 53 | — | — | Available |
| K4MVO | 8 | 59 | 2029-06-27 | — | Active (Vanity) |
| K4MVP | 8 | 59 | 2030-09-09 | — | Active (Vanity) |
| K4MVQ | 8 | 61 | — | — | Available |
| K4MVR | 9 | 55 | 2036-05-17 | — | Active (Vanity) |
| K4MVS | 9 | 53 | 2035-10-18 | — | Active |
| K4MVT | 8 | 51 | 2004-09-14 | 2006-09-15 | Available |
| K4MVU | 9 | 55 | — | — | Available |
| K4MVV | 8 | 57 | 2032-01-27 | — | Active |
| K4MVW | 8 | 57 | 2036-01-23 | — | Active |
| K4MVX | 8 | 59 | — | — | Available |
| K4MVY | 8 | 61 | — | — | Available |
| K4MVZ | 8 | 59 | — | — | Available |
| K4MWA | 8 | 53 | 2027-05-08 | — | Active (Vanity) |
| K4MWB | 8 | 57 | 2034-08-06 | — | Active |
| K4MWC | 8 | 59 | 2028-09-18 | — | Active (Vanity) |
| K4MWD | 8 | 55 | 2027-03-13 | — | Active (Vanity) |
| K4MWE | 8 | 49 | 2015-02-07 | 2017-02-08 | Available |
| K4MWF | 8 | 57 | 2027-08-09 | — | Active |
| K4MWG | 7 | 57 | 2036-04-05 | — | Active (Vanity) |
| K4MWH | 8 | 55 | 2033-11-21 | — | Active (Vanity) |
| K4MWI | 9 | 51 | 2033-03-03 | — | Active (Vanity) |
| K4MWJ | 9 | 61 | 2033-12-23 | — | Active (Vanity) |
| K4MWK | 8 | 57 | 2028-02-17 | — | Active (Vanity) |
| K4MWL | 8 | 57 | 2021-09-25 | 2023-09-26 | Available |
| K4MWM | 7 | 55 | 2034-12-30 | — | Active (Vanity) |
| K4MWN | 9 | 53 | 2031-08-28 | — | Active (Vanity) |
| K4MWO | 8 | 59 | — | — | Available |
| K4MWP | 8 | 59 | 2027-03-03 | — | Active |