District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4HKI | 10 | 51 | — | — | Available |
| K4HKJ | 10 | 61 | — | — | Available |
| K4HKK | 9 | 57 | 2026-06-07 | — | Active (Vanity) |
| K4HKL | 9 | 57 | 2027-04-18 | — | Active (Vanity) |
| K4HKM | 8 | 55 | — | — | Available |
| K4HKN | 10 | 53 | — | — | Available |
| K4HKO | 9 | 59 | 2014-07-15 | 2016-07-16 | Available |
| K4HKP | 9 | 59 | — | — | Available |
| K4HKQ | 9 | 61 | 2011-09-07 | 2013-09-08 | Available |
| K4HKR | 10 | 55 | 2035-06-17 | — | Active (Vanity) |
| K4HKS | 10 | 53 | 2020-10-20 | 2022-10-21 | Available |
| K4HKT | 9 | 51 | 2036-05-05 | — | Active (Vanity) |
| K4HKU | 10 | 55 | — | — | Available |
| K4HKV | 9 | 57 | — | — | Available |
| K4HKW | 9 | 57 | 2015-04-03 | 2017-04-04 | Available |
| K4HKX | 9 | 59 | 2036-07-21 | — | Active |
| K4HKY | 9 | 61 | 2026-04-16 | — | Active (Vanity) |
| K4HKZ | 9 | 59 | 2027-01-09 | — | Active |
| K4HLA | 9 | 53 | — | — | Available |
| K4HLB | 9 | 57 | 2036-01-06 | — | Active |
| K4HLC | 9 | 59 | 2017-08-31 | 2019-09-01 | Available |
| K4HLD | 9 | 55 | 2016-05-18 | 2018-05-19 | Available |
| K4HLE | 9 | 49 | 2031-03-04 | — | Active (Vanity) |
| K4HLF | 9 | 57 | 2034-02-27 | — | Active (Vanity) |
| K4HLG | 8 | 57 | 2025-06-19 | — | Active |
| K4HLH | 9 | 55 | 2035-03-22 | — | Active (Vanity) |
| K4HLI | 10 | 51 | 2003-09-28 | 2005-09-29 | Available |
| K4HLJ | 10 | 61 | — | — | Available |
| K4HLK | 9 | 57 | 2022-04-12 | 2024-04-13 | Available |
| K4HLL | 9 | 57 | — | — | Available |
| K4HLM | 8 | 55 | 2034-12-22 | — | Active |
| K4HLN | 10 | 53 | 2030-12-29 | — | Active (Vanity) |
| K4HLO | 9 | 59 | 2035-12-09 | — | Active (Vanity) |
| K4HLP | 9 | 59 | 2007-08-31 | 2009-09-01 | Available |
| K4HLQ | 9 | 61 | 2007-08-28 | 2009-08-29 | Available |
| K4HLR | 10 | 55 | 2019-04-14 | 2021-04-15 | Available |
| K4HLS | 10 | 53 | 2035-09-20 | — | Active (Vanity) |
| K4HLT | 9 | 51 | 2036-11-08 | — | Active (Vanity) |
| K4HLU | 10 | 55 | — | — | Available |
| K4HLV | 9 | 57 | — | — | Available |
| K4HLW | 9 | 57 | 2033-08-03 | — | Active (Vanity) |
| K4HLX | 9 | 59 | 2027-01-31 | — | Active (Vanity) |
| K4HLY | 9 | 61 | 2034-11-22 | — | Active |
| K4HLZ | 9 | 59 | — | — | Available |
| K4HMA | 8 | 51 | 2007-07-23 | 2009-07-24 | Available |
| K4HMB | 8 | 55 | 2036-12-09 | — | Active |
| K4HMC | 8 | 57 | 2032-03-08 | — | Active (Vanity) |
| K4HMD | 8 | 53 | 2028-08-12 | — | Active (Vanity) |
| K4HME | 8 | 47 | 2033-02-04 | — | Active (Vanity) |
| K4HMF | 8 | 55 | 2028-04-03 | — | Active (Vanity) |
| K4HMG | 7 | 55 | — | — | Available |
| K4HMH | 8 | 53 | — | — | Available |
| K4HMI | 9 | 49 | 2000-10-09 | 2002-10-10 | Available |
| K4HMJ | 9 | 59 | 2028-10-02 | — | Active (Vanity) |
| K4HMK | 8 | 55 | 2035-06-14 | — | Active (Vanity) |
| K4HML | 8 | 55 | 2015-09-01 | 2017-09-02 | Available |
| K4HMM | 7 | 53 | 2028-08-14 | — | Active (Vanity) |
| K4HMN | 9 | 51 | — | — | Available |
| K4HMO | 8 | 57 | 2034-07-29 | — | Active |
| K4HMP | 8 | 57 | 2034-03-12 | — | Active (Vanity) |
| K4HMQ | 8 | 59 | 1999-08-01 | 2001-08-02 | Available |
| K4HMR | 9 | 53 | 2026-05-06 | — | Active (Vanity) |
| K4HMS | 9 | 51 | 2034-02-09 | — | Active (Vanity) |
| K4HMT | 8 | 49 | — | — | Available |
| K4HMU | 9 | 53 | 2007-03-19 | 2009-03-20 | Available |
| K4HMV | 8 | 55 | 2007-03-12 | 2009-03-13 | Available |
| K4HMW | 8 | 55 | 2031-01-21 | — | Active (Vanity) |
| K4HMX | 8 | 57 | 2029-03-09 | — | Active (Vanity) |
| K4HMY | 8 | 59 | 2028-02-03 | — | Active |
| K4HMZ | 8 | 57 | 2028-01-22 | — | Active (Vanity) |
| K4HNA | 10 | 49 | — | — | Available |
| K4HNB | 10 | 53 | 2033-02-11 | — | Active (Vanity) |
| K4HNC | 10 | 55 | 2028-07-22 | — | Active (Vanity) |
| K4HND | 10 | 51 | — | — | Available |
| K4HNE | 10 | 45 | 2030-10-23 | — | Active (Vanity) |
| K4HNF | 10 | 53 | — | — | Available |
| K4HNG | 9 | 53 | 1997-10-13 | 1999-10-14 | Available |
| K4HNH | 10 | 51 | 2032-08-09 | — | Active (Vanity) |
| K4HNI | 11 | 47 | 2034-06-15 | — | Active (Vanity) |
| K4HNJ | 11 | 57 | 2035-01-24 | — | Active |
| K4HNK | 10 | 53 | 2007-03-21 | 2009-03-22 | Available |
| K4HNL | 10 | 53 | 2034-04-23 | — | Active (Vanity) |
| K4HNM | 9 | 51 | 2015-03-13 | 2017-03-14 | Available |
| K4HNN | 11 | 49 | 2016-01-23 | 2018-01-24 | Available |
| K4HNO | 10 | 55 | 2018-01-17 | 2020-01-18 | Available |
| K4HNP | 10 | 55 | — | — | Available |
| K4HNQ | 10 | 57 | 2016-02-15 | 2018-02-16 | Available |
| K4HNR | 11 | 51 | 2029-12-17 | — | Active (Vanity) |
| K4HNS | 11 | 49 | — | — | Available |
| K4HNT | 10 | 47 | 2036-01-10 | — | Active (Vanity) |
| K4HNU | 11 | 51 | — | — | Available |
| K4HNV | 10 | 53 | — | — | Available |
| K4HNW | 10 | 53 | 2025-01-25 | — | Active |
| K4HNX | 10 | 55 | — | — | Available |
| K4HNY | 10 | 57 | 2036-01-31 | — | Active (Vanity) |
| K4HNZ | 10 | 55 | — | — | Available |
| K4HOA | 9 | 55 | 2035-03-14 | — | Active (Vanity) |
| K4HOB | 9 | 59 | 2032-04-19 | — | Active (Vanity) |
| K4HOC | 9 | 61 | 2035-02-07 | — | Active |
| K4HOD | 9 | 57 | 2026-11-26 | — | Active (Vanity) |