District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4HOE | 9 | 51 | 2028-06-06 | — | Active (Vanity) |
| K4HOF | 9 | 59 | — | — | Available |
| K4HOG | 8 | 59 | 2035-11-06 | — | Active (Vanity) |
| K4HOH | 9 | 57 | — | — | Available |
| K4HOI | 10 | 53 | 2007-07-29 | 2009-07-30 | Available |
| K4HOJ | 10 | 63 | — | — | Available |
| K4HOK | 9 | 59 | 2030-10-09 | — | Active (Vanity) |
| K4HOL | 9 | 59 | 2034-10-29 | — | Active (Vanity) |
| K4HOM | 8 | 57 | — | — | Available |
| K4HON | 10 | 55 | — | — | Available |
| K4HOO | 9 | 61 | — | — | Available |
| K4HOP | 9 | 61 | 2029-03-12 | — | Active (Vanity) |
| K4HOQ | 9 | 63 | — | — | Available |
| K4HOR | 10 | 57 | 2027-07-04 | — | Active (Vanity) |
| K4HOS | 10 | 55 | 2024-03-05 | 2026-03-06 | Available |
| K4HOT | 9 | 53 | 2029-03-19 | — | Active (Vanity) |
| K4HOU | 10 | 57 | — | — | Available |
| K4HOV | 9 | 59 | — | — | Available |
| K4HOW | 9 | 59 | 2031-04-27 | — | Active (Vanity) |
| K4HOX | 9 | 61 | — | — | Available |
| K4HOY | 9 | 63 | 2023-08-12 | 2025-08-13 | Available |
| K4HOZ | 9 | 61 | — | — | Available |
| K4HPA | 9 | 55 | — | — | Available |
| K4HPB | 9 | 59 | 2019-10-28 | 2021-10-29 | Available |
| K4HPC | 9 | 61 | 2029-08-09 | — | Active (Vanity) |
| K4HPD | 9 | 57 | 2036-10-07 | — | Active (Vanity) |
| K4HPE | 9 | 51 | — | — | Available |
| K4HPF | 9 | 59 | 2022-08-28 | 2024-08-29 | Available |
| K4HPG | 8 | 59 | — | — | Available |
| K4HPH | 9 | 57 | — | — | Available |
| K4HPI | 10 | 53 | — | — | Available |
| K4HPJ | 10 | 63 | 2013-05-13 | 2015-05-14 | Available |
| K4HPK | 9 | 59 | — | — | Available |
| K4HPL | 9 | 59 | — | — | Available |
| K4HPM | 8 | 57 | 2000-06-05 | 2002-06-06 | Available |
| K4HPN | 10 | 55 | 2028-09-22 | — | Active |
| K4HPO | 9 | 61 | — | — | Available |
| K4HPP | 9 | 61 | 2027-02-20 | — | Active |
| K4HPQ | 9 | 63 | — | — | Available |
| K4HPR | 10 | 57 | 2007-06-06 | 2009-06-07 | Available |
| K4HPS | 10 | 55 | 2033-12-10 | — | Active (Vanity) |
| K4HPT | 9 | 53 | 2032-11-20 | — | Active (Vanity) |
| K4HPU | 10 | 57 | 2001-04-24 | 2003-04-25 | Available |
| K4HPV | 9 | 59 | 2016-05-21 | 2018-05-22 | Available |
| K4HPW | 9 | 59 | 2016-07-05 | 2018-07-06 | Available |
| K4HPX | 9 | 61 | — | — | Available |
| K4HPY | 9 | 63 | 2029-08-06 | — | Active (Vanity) |
| K4HPZ | 9 | 61 | 2027-07-29 | — | Active |
| K4HQA | 9 | 57 | — | — | Available |
| K4HQB | 9 | 61 | — | — | Available |
| K4HQC | 9 | 63 | — | — | Available |
| K4HQD | 9 | 59 | — | — | Available |
| K4HQE | 9 | 53 | — | — | Available |
| K4HQF | 9 | 61 | 2005-06-27 | 2007-06-28 | Available |
| K4HQG | 8 | 61 | — | — | Available |
| K4HQH | 9 | 59 | — | — | Available |
| K4HQI | 10 | 55 | — | — | Available |
| K4HQJ | 10 | 65 | — | — | Available |
| K4HQK | 9 | 61 | 2033-12-28 | — | Active |
| K4HQL | 9 | 61 | — | — | Available |
| K4HQM | 8 | 59 | — | — | Available |
| K4HQN | 10 | 57 | 2026-02-23 | — | Active (Vanity) |
| K4HQO | 9 | 63 | — | — | Available |
| K4HQP | 9 | 63 | — | — | Available |
| K4HQQ | 9 | 65 | — | — | Available |
| K4HQR | 10 | 59 | 2009-01-25 | 2011-01-26 | Available |
| K4HQS | 10 | 57 | 2036-06-04 | — | Active (Vanity) |
| K4HQT | 9 | 55 | 2007-02-05 | 2009-02-06 | Available |
| K4HQU | 10 | 59 | — | — | Available |
| K4HQV | 9 | 61 | 2033-01-04 | — | Active (Vanity) |
| K4HQW | 9 | 61 | — | — | Available |
| K4HQX | 9 | 63 | — | — | Available |
| K4HQY | 9 | 65 | — | — | Available |
| K4HQZ | 9 | 63 | — | — | Available |
| K4HRA | 10 | 51 | 2024-05-24 | 2026-05-25 | Available |
| K4HRB | 10 | 55 | — | — | Available |
| K4HRC | 10 | 57 | 2025-09-29 | — | Active (Vanity) |
| K4HRD | 10 | 53 | — | — | Available |
| K4HRE | 10 | 47 | 2014-05-24 | 2016-05-25 | Available |
| K4HRF | 10 | 55 | — | — | Available |
| K4HRG | 9 | 55 | 2036-01-10 | — | Active (Vanity) |
| K4HRH | 10 | 53 | 2024-05-23 | 2026-05-24 | Available |
| K4HRI | 11 | 49 | — | — | Available |
| K4HRJ | 11 | 59 | 2016-12-03 | 2018-12-04 | Available |
| K4HRK | 10 | 55 | 2028-01-20 | — | Active (Vanity) |
| K4HRL | 10 | 55 | 2029-02-20 | — | Active (Vanity) |
| K4HRM | 9 | 53 | 2029-05-08 | — | Active (Vanity) |
| K4HRN | 11 | 51 | 2026-04-12 | — | Active |
| K4HRO | 10 | 57 | 2036-05-02 | — | Active (Vanity) |
| K4HRP | 10 | 57 | — | — | Available |
| K4HRQ | 10 | 59 | — | — | Available |
| K4HRR | 11 | 53 | 2032-06-10 | — | Active (Vanity) |
| K4HRS | 11 | 51 | 2033-04-15 | — | Active (Vanity) |
| K4HRT | 10 | 49 | 2031-11-29 | — | Active (Vanity) |
| K4HRU | 11 | 53 | — | — | Available |
| K4HRV | 10 | 55 | 2027-07-29 | — | Active (Vanity) |
| K4HRW | 10 | 55 | 2016-01-16 | 2018-01-17 | Available |
| K4HRX | 10 | 57 | 2023-01-12 | 2025-01-13 | Available |
| K4HRY | 10 | 59 | 2027-02-18 | — | Active |
| K4HRZ | 10 | 57 | — | — | Available |