District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4HVW | 9 | 57 | 2025-07-19 | — | Active |
| K4HVX | 9 | 59 | 2007-11-13 | 2009-11-14 | Available |
| K4HVY | 9 | 61 | 2030-07-28 | — | Active (Vanity) |
| K4HVZ | 9 | 59 | — | — | Available |
| K4HWA | 9 | 53 | 1998-03-15 | 2000-03-16 | Available |
| K4HWB | 9 | 57 | 2025-03-30 | — | Active |
| K4HWC | 9 | 59 | 2029-06-29 | — | Active (Vanity) |
| K4HWD | 9 | 55 | — | — | Available |
| K4HWE | 9 | 49 | — | — | Available |
| K4HWF | 9 | 57 | 2033-05-21 | — | Active (Vanity) |
| K4HWG | 8 | 57 | 2033-02-28 | — | Active (Vanity) |
| K4HWH | 9 | 55 | 2032-03-30 | — | Active (Vanity) |
| K4HWI | 10 | 51 | 2001-11-12 | 2003-11-13 | Available |
| K4HWJ | 10 | 61 | — | — | Available |
| K4HWK | 9 | 57 | 2031-11-05 | — | Active (Vanity) |
| K4HWL | 9 | 57 | 2027-05-25 | — | Active (Vanity) |
| K4HWM | 8 | 55 | — | — | Available |
| K4HWN | 10 | 53 | 2033-04-20 | — | Active |
| K4HWO | 9 | 59 | — | — | Available |
| K4HWP | 9 | 59 | 1999-08-29 | 2001-08-30 | Available |
| K4HWQ | 9 | 61 | 2027-05-05 | — | Active |
| K4HWR | 10 | 55 | — | — | Available |
| K4HWS | 10 | 53 | 2033-02-20 | — | Active (Vanity) |
| K4HWT | 9 | 51 | — | — | Available |
| K4HWU | 10 | 55 | — | — | Available |
| K4HWV | 9 | 57 | — | — | Available |
| K4HWW | 9 | 57 | — | — | Available |
| K4HWX | 9 | 59 | — | — | Available |
| K4HWY | 9 | 61 | 2022-07-09 | 2024-07-10 | Available |
| K4HWZ | 9 | 59 | — | — | Available |
| K4HXA | 9 | 55 | — | — | Available |
| K4HXB | 9 | 59 | 2015-12-01 | 2017-12-02 | Available |
| K4HXC | 9 | 61 | 2017-03-03 | 2019-03-04 | Available |
| K4HXD | 9 | 57 | 2028-11-09 | — | Active (Vanity) |
| K4HXE | 9 | 51 | 2025-11-28 | — | Active |
| K4HXF | 9 | 59 | — | — | Available |
| K4HXG | 8 | 59 | — | — | Available |
| K4HXH | 9 | 57 | — | — | Available |
| K4HXI | 10 | 53 | 2028-10-10 | — | Active (Vanity) |
| K4HXJ | 10 | 63 | 2006-11-27 | 2008-11-28 | Available |
| K4HXK | 9 | 59 | — | — | Available |
| K4HXL | 9 | 59 | — | — | Available |
| K4HXM | 8 | 57 | 2031-05-04 | — | Active (Vanity) |
| K4HXN | 10 | 55 | 2003-11-23 | 2005-11-24 | Available |
| K4HXO | 9 | 61 | 2024-03-05 | 2026-03-06 | Available |
| K4HXP | 9 | 61 | — | — | Available |
| K4HXQ | 9 | 63 | — | — | Available |
| K4HXR | 10 | 57 | 2004-09-12 | 2006-09-13 | Available |
| K4HXS | 10 | 55 | — | — | Available |
| K4HXT | 9 | 53 | — | — | Available |
| K4HXU | 10 | 57 | 2025-06-10 | 2027-06-11 | Canceled (grace period) |
| K4HXV | 9 | 59 | 2027-05-18 | — | Active (Vanity) |
| K4HXW | 9 | 59 | 2030-11-17 | — | Active (Vanity) |
| K4HXX | 9 | 61 | — | — | Available |
| K4HXY | 9 | 63 | 2023-07-25 | 2025-07-26 | Available |
| K4HXZ | 9 | 61 | 2018-06-24 | 2020-06-25 | Available |
| K4HYA | 9 | 57 | 2015-04-21 | 2017-04-22 | Available |
| K4HYB | 9 | 61 | 2031-04-30 | — | Active |
| K4HYC | 9 | 63 | — | — | Available |
| K4HYD | 9 | 59 | 2034-04-16 | — | Active (Vanity) |
| K4HYE | 9 | 53 | 2028-10-20 | — | Active (Vanity) |
| K4HYF | 9 | 61 | — | — | Available |
| K4HYG | 8 | 61 | 2017-03-20 | 2019-03-21 | Available |
| K4HYH | 9 | 59 | 1997-12-01 | 1999-12-02 | Available |
| K4HYI | 10 | 55 | 2036-08-08 | — | Active |
| K4HYJ | 10 | 65 | 2031-09-29 | — | Active (Vanity) |
| K4HYK | 9 | 61 | 2030-04-17 | — | Active (Vanity) |
| K4HYL | 9 | 61 | — | — | Available |
| K4HYM | 8 | 59 | — | — | Available |
| K4HYN | 10 | 57 | 1997-10-06 | 1999-10-07 | Available |
| K4HYO | 9 | 63 | 2005-12-11 | 2007-12-12 | Available |
| K4HYP | 9 | 63 | 2019-09-10 | 2021-09-11 | Available |
| K4HYQ | 9 | 65 | 2015-03-08 | 2017-03-09 | Available |
| K4HYR | 10 | 59 | — | — | Available |
| K4HYS | 10 | 57 | — | — | Available |
| K4HYT | 9 | 55 | 2034-05-07 | — | Active (Vanity) |
| K4HYU | 10 | 59 | 2034-05-10 | — | Active (Vanity) |
| K4HYV | 9 | 61 | 2031-10-30 | — | Active (Vanity) |
| K4HYW | 9 | 61 | — | — | Available |
| K4HYX | 9 | 63 | 2016-05-21 | 2018-05-22 | Available |
| K4HYY | 9 | 65 | 2009-05-26 | 2011-05-27 | Available |
| K4HYZ | 9 | 63 | 2016-02-25 | 2018-02-26 | Available |
| K4HZA | 9 | 55 | — | — | Available |
| K4HZB | 9 | 59 | — | — | Available |
| K4HZC | 9 | 61 | — | — | Available |
| K4HZD | 9 | 57 | 2030-12-15 | — | Active (Vanity) |
| K4HZE | 9 | 51 | 2027-03-12 | — | Active |
| K4HZF | 9 | 59 | 2028-02-25 | — | Active |
| K4HZG | 8 | 59 | — | — | Available |
| K4HZH | 9 | 57 | — | — | Available |
| K4HZI | 10 | 53 | — | — | Available |
| K4HZJ | 10 | 63 | 2027-01-09 | — | Active |
| K4HZK | 9 | 59 | 2006-04-02 | 2008-04-03 | Available |
| K4HZL | 9 | 59 | 1998-02-02 | 2000-02-03 | Available |
| K4HZM | 8 | 57 | 2016-06-18 | 2018-06-19 | Available |
| K4HZN | 10 | 55 | 2032-05-27 | — | Active (Vanity) |
| K4HZO | 9 | 61 | — | — | Available |
| K4HZP | 9 | 61 | 2018-01-26 | 2020-01-27 | Available |
| K4HZQ | 9 | 63 | 2028-10-21 | — | Active |
| K4HZR | 10 | 57 | 2026-09-09 | — | Active |