District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4HGM | 7 | 55 | 2004-03-29 | 2006-03-30 | Available |
| K4HGN | 9 | 53 | 2027-01-23 | — | Active |
| K4HGO | 8 | 59 | — | — | Available |
| K4HGP | 8 | 59 | 2034-07-19 | — | Active (Vanity) |
| K4HGQ | 8 | 61 | — | — | Available |
| K4HGR | 9 | 55 | — | — | Available |
| K4HGS | 9 | 53 | 2016-12-16 | 2018-12-17 | Available |
| K4HGT | 8 | 51 | 2036-03-21 | — | Active (Vanity) |
| K4HGU | 9 | 55 | — | — | Available |
| K4HGV | 8 | 57 | 2025-06-05 | — | Active |
| K4HGW | 8 | 57 | 2036-07-24 | — | Active (Vanity) |
| K4HGX | 8 | 59 | 2029-02-03 | — | Active |
| K4HGY | 8 | 61 | 2003-08-31 | 2005-09-01 | Available |
| K4HGZ | 8 | 59 | 2029-09-21 | — | Active (Vanity) |
| K4HHA | 9 | 51 | 2030-04-07 | — | Active (Vanity) |
| K4HHB | 9 | 55 | — | — | Available |
| K4HHC | 9 | 57 | — | — | Available |
| K4HHD | 9 | 53 | — | — | Available |
| K4HHE | 9 | 47 | 1997-09-15 | 1999-09-16 | Available |
| K4HHF | 9 | 55 | 2034-07-26 | — | Active (Vanity) |
| K4HHG | 8 | 55 | — | — | Available |
| K4HHH | 9 | 53 | 2024-12-04 | — | Active (Vanity) |
| K4HHI | 10 | 49 | 2025-11-09 | — | Active |
| K4HHJ | 10 | 59 | 1999-02-14 | 2001-02-15 | Available |
| K4HHK | 9 | 55 | 2000-01-16 | 2002-01-17 | Available |
| K4HHL | 9 | 55 | — | — | Available |
| K4HHM | 8 | 53 | 2014-07-15 | 2016-07-16 | Available |
| K4HHN | 10 | 51 | 2027-01-09 | — | Active |
| K4HHO | 9 | 57 | 2016-04-26 | 2018-04-27 | Available |
| K4HHP | 9 | 57 | — | — | Available |
| K4HHQ | 9 | 59 | — | — | Available |
| K4HHR | 10 | 53 | 2005-10-12 | 2007-10-13 | Available |
| K4HHS | 10 | 51 | — | — | Available |
| K4HHT | 9 | 49 | — | — | Available |
| K4HHU | 10 | 53 | — | — | Available |
| K4HHV | 9 | 55 | — | — | Available |
| K4HHW | 9 | 55 | 2026-08-25 | 2028-08-26 | Canceled (grace period) |
| K4HHX | 9 | 57 | 2033-09-07 | — | Active |
| K4HHY | 9 | 59 | — | — | Available |
| K4HHZ | 9 | 57 | — | — | Available |
| K4HIA | 10 | 47 | 2030-07-10 | — | Active (Vanity) |
| K4HIB | 10 | 51 | 2012-07-21 | 2014-07-22 | Available |
| K4HIC | 10 | 53 | — | — | Available |
| K4HID | 10 | 49 | 2027-12-08 | — | Active (Vanity) |
| K4HIE | 10 | 43 | 2032-06-22 | — | Active (Vanity) |
| K4HIF | 10 | 51 | — | — | Available |
| K4HIG | 9 | 51 | 2017-04-05 | 2019-04-06 | Available |
| K4HIH | 10 | 49 | 2027-02-07 | — | Active (Vanity) |
| K4HII | 11 | 45 | 2026-01-06 | — | Active (Vanity) |
| K4HIJ | 11 | 55 | — | — | Available |
| K4HIK | 10 | 51 | 2027-09-13 | — | Active |
| K4HIL | 10 | 51 | 2028-05-11 | — | Active (Vanity) |
| K4HIM | 9 | 49 | 2029-04-08 | — | Active (Vanity) |
| K4HIN | 11 | 47 | 2029-10-02 | — | Active (Vanity) |
| K4HIO | 10 | 53 | — | — | Available |
| K4HIP | 10 | 53 | 2007-02-12 | 2009-02-13 | Available |
| K4HIQ | 10 | 55 | — | — | Available |
| K4HIR | 11 | 49 | 2027-03-20 | — | Active |
| K4HIS | 11 | 47 | 2033-12-27 | — | Active (Vanity) |
| K4HIT | 10 | 45 | 2029-12-13 | — | Active (Vanity) |
| K4HIU | 11 | 49 | 2014-05-24 | 2016-05-25 | Available |
| K4HIV | 10 | 51 | 2034-11-08 | — | Active (Vanity) |
| K4HIW | 10 | 51 | — | — | Available |
| K4HIX | 10 | 53 | 2023-02-16 | 2025-02-17 | Available |
| K4HIY | 10 | 55 | 1999-05-30 | 2001-05-31 | Available |
| K4HIZ | 10 | 53 | 2031-09-23 | — | Active |
| K4HJA | 10 | 57 | — | — | Available |
| K4HJB | 10 | 61 | 2036-03-29 | — | Active (Vanity) |
| K4HJC | 10 | 63 | — | — | Available |
| K4HJD | 10 | 59 | — | — | Available |
| K4HJE | 10 | 53 | 2007-04-02 | 2009-04-03 | Available |
| K4HJF | 10 | 61 | 2029-04-25 | — | Active |
| K4HJG | 9 | 61 | 2018-06-09 | 2020-06-10 | Available |
| K4HJH | 10 | 59 | 2030-08-01 | — | Active (Vanity) |
| K4HJI | 11 | 55 | — | — | Available |
| K4HJJ | 11 | 65 | 2028-02-26 | — | Active |
| K4HJK | 10 | 61 | 2028-02-03 | — | Active (Vanity) |
| K4HJL | 10 | 61 | 2029-01-13 | — | Active (Vanity) |
| K4HJM | 9 | 59 | 2006-03-26 | 2008-03-27 | Available |
| K4HJN | 11 | 57 | 2029-05-05 | — | Active |
| K4HJO | 10 | 63 | — | — | Available |
| K4HJP | 10 | 63 | 2018-12-01 | 2020-12-02 | Available |
| K4HJQ | 10 | 65 | 2007-03-27 | 2009-03-28 | Available |
| K4HJR | 11 | 59 | 2006-12-19 | 2008-12-20 | Available |
| K4HJS | 11 | 57 | 2024-10-21 | 2026-10-22 | Available |
| K4HJT | 10 | 55 | — | — | Available |
| K4HJU | 11 | 59 | 2035-12-28 | — | Active |
| K4HJV | 10 | 61 | 1999-02-26 | 2001-02-27 | Available |
| K4HJW | 10 | 61 | — | — | Available |
| K4HJX | 10 | 63 | 2003-06-01 | 2005-06-02 | Available |
| K4HJY | 10 | 65 | 2032-01-27 | — | Active (Vanity) |
| K4HJZ | 10 | 63 | 2036-01-10 | — | Active (Vanity) |
| K4HKA | 9 | 53 | 2030-08-04 | — | Active (Vanity) |
| K4HKB | 9 | 57 | — | — | Available |
| K4HKC | 9 | 59 | 2007-10-21 | 2009-10-22 | Available |
| K4HKD | 9 | 55 | — | — | Available |
| K4HKE | 9 | 49 | — | — | Pending Application |
| K4HKF | 9 | 57 | — | — | Available |
| K4HKG | 8 | 57 | — | — | Available |
| K4HKH | 9 | 55 | — | — | Available |