District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4KOF | 10 | 57 | — | — | Available |
| N4KOG | 9 | 57 | 2004-07-15 | 2006-07-16 | Available |
| N4KOH | 10 | 55 | — | — | Available |
| N4KOI | 11 | 51 | 2001-04-03 | 2003-04-04 | Available |
| N4KOJ | 11 | 61 | — | — | Available |
| N4KOK | 10 | 57 | 2018-09-16 | 2020-09-17 | Available |
| N4KOL | 10 | 57 | 2004-11-08 | 2006-11-09 | Available |
| N4KOM | 9 | 55 | 2004-07-15 | 2006-07-16 | Available |
| N4KON | 11 | 53 | 2026-07-06 | — | Active (Vanity) |
| N4KOO | 10 | 59 | — | — | Available |
| N4KOP | 10 | 59 | 2018-11-24 | 2020-11-25 | Available |
| N4KOQ | 10 | 61 | 2011-10-01 | 2013-10-02 | Available |
| N4KOR | 11 | 55 | 2029-10-05 | — | Active (Vanity) |
| N4KOS | 11 | 53 | — | — | Available |
| N4KOT | 10 | 51 | — | — | Available |
| N4KOU | 11 | 55 | 2014-11-08 | 2016-11-09 | Available |
| N4KOV | 10 | 57 | — | — | Available |
| N4KOW | 10 | 57 | 2024-12-17 | — | Active |
| N4KOX | 10 | 59 | 2026-02-21 | — | Active |
| N4KOY | 10 | 61 | — | — | Available |
| N4KOZ | 10 | 59 | 2025-09-01 | — | Active |
| N4KPA | 10 | 53 | 2034-07-28 | — | Active |
| N4KPB | 10 | 57 | 2016-01-10 | 2018-01-11 | Available |
| N4KPC | 10 | 59 | 2036-10-23 | — | Active (Vanity) |
| N4KPD | 10 | 55 | 2017-02-22 | 2019-02-23 | Available |
| N4KPE | 10 | 49 | 2008-06-18 | 2010-06-19 | Available |
| N4KPF | 10 | 57 | — | — | Available |
| N4KPG | 9 | 57 | 2035-06-20 | — | Active |
| N4KPH | 10 | 55 | 2034-12-28 | — | Active (Vanity) |
| N4KPI | 11 | 51 | 2034-07-15 | — | Active |
| N4KPJ | 11 | 61 | 2032-10-28 | — | Active |
| N4KPK | 10 | 57 | — | — | Available |
| N4KPL | 10 | 57 | 2004-07-22 | 2006-07-23 | Available |
| N4KPM | 9 | 55 | 2036-06-23 | — | Active (Vanity) |
| N4KPN | 11 | 53 | 2014-07-14 | 2016-07-15 | Available |
| N4KPO | 10 | 59 | 2024-03-29 | 2026-03-30 | Available |
| N4KPP | 10 | 59 | 2026-10-08 | — | Active (Vanity) |
| N4KPQ | 10 | 61 | — | — | Available |
| N4KPR | 11 | 55 | 2030-07-17 | — | Active |
| N4KPS | 11 | 53 | 2036-04-03 | — | Active (Vanity) |
| N4KPT | 10 | 51 | 2034-06-15 | — | Active (Vanity) |
| N4KPU | 11 | 55 | 2004-07-14 | 2006-07-15 | Available |
| N4KPV | 10 | 57 | 2014-05-10 | 2016-05-11 | Available |
| N4KPW | 10 | 57 | 2007-07-30 | 2009-07-31 | Available |
| N4KPX | 10 | 59 | 2028-11-23 | — | Active |
| N4KPY | 10 | 61 | — | — | Available |
| N4KPZ | 10 | 59 | — | — | Available |
| N4KQA | 10 | 55 | — | — | Available |
| N4KQB | 10 | 59 | — | — | Available |
| N4KQC | 10 | 61 | 1999-09-12 | 2001-09-13 | Available |
| N4KQD | 10 | 57 | — | — | Available |
| N4KQE | 10 | 51 | — | — | Available |
| N4KQF | 10 | 59 | — | — | Available |
| N4KQG | 9 | 59 | 2000-04-17 | 2002-04-18 | Available |
| N4KQH | 10 | 57 | 2016-09-29 | 2018-09-30 | Available |
| N4KQI | 11 | 53 | 2024-08-23 | 2026-08-24 | Available |
| N4KQJ | 11 | 63 | 2014-10-06 | 2016-10-07 | Available |
| N4KQK | 10 | 59 | 2020-08-21 | 2022-08-22 | Available |
| N4KQL | 10 | 59 | — | — | Available |
| N4KQM | 9 | 57 | 2000-07-03 | 2002-07-04 | Available |
| N4KQN | 11 | 55 | 2004-07-14 | 2006-07-15 | Available |
| N4KQO | 10 | 61 | — | — | Available |
| N4KQP | 10 | 61 | 2034-02-22 | — | Active |
| N4KQQ | 10 | 63 | — | — | Available |
| N4KQR | 11 | 57 | 2036-03-27 | — | Active |
| N4KQS | 11 | 55 | 2006-02-09 | 2008-02-10 | Available |
| N4KQT | 10 | 53 | — | — | Available |
| N4KQU | 11 | 57 | 1999-02-03 | 2001-02-04 | Available |
| N4KQV | 10 | 59 | — | — | Available |
| N4KQW | 10 | 59 | 2024-03-05 | 2026-03-06 | Available |
| N4KQX | 10 | 61 | 2020-08-28 | 2022-08-29 | Available |
| N4KQY | 10 | 63 | 2034-12-23 | — | Active |
| N4KQZ | 10 | 61 | 2029-02-03 | — | Active |
| N4KRA | 11 | 49 | 2019-01-23 | 2021-01-24 | Available |
| N4KRB | 11 | 53 | 2034-09-28 | — | Active |
| N4KRC | 11 | 55 | 2026-08-30 | — | Active |
| N4KRD | 11 | 51 | 2004-08-06 | 2006-08-07 | Available |
| N4KRE | 11 | 45 | — | — | Available |
| N4KRF | 11 | 53 | — | — | Available |
| N4KRG | 10 | 53 | 2037-01-14 | — | Active (Vanity) |
| N4KRH | 11 | 51 | 2032-09-27 | — | Active (Vanity) |
| N4KRI | 12 | 47 | 2024-07-27 | 2026-07-28 | Available |
| N4KRJ | 12 | 57 | 2028-05-28 | — | Active (Vanity) |
| N4KRK | 11 | 53 | 2024-04-13 | 2026-04-14 | Available |
| N4KRL | 11 | 53 | 2014-08-19 | 2016-08-20 | Available |
| N4KRM | 10 | 51 | 2025-01-20 | — | Active |
| N4KRN | 12 | 49 | 2034-09-01 | — | Active |
| N4KRO | 11 | 55 | 2035-04-14 | — | Active (Vanity) |
| N4KRP | 11 | 55 | 2030-11-17 | — | Active (Vanity) |
| N4KRQ | 11 | 57 | 1998-12-06 | 2000-12-07 | Available |
| N4KRR | 12 | 51 | 2003-03-16 | 2005-03-17 | Available |
| N4KRS | 12 | 49 | 2034-10-03 | — | Active (Vanity) |
| N4KRT | 11 | 47 | 2034-09-10 | — | Active (Vanity) |
| N4KRU | 12 | 51 | 2021-03-19 | 2023-03-20 | Available |
| N4KRV | 11 | 53 | 2035-03-15 | — | Active |
| N4KRW | 11 | 53 | 2035-02-03 | — | Active |
| N4KRX | 11 | 55 | 2024-07-09 | 2026-07-10 | Available |
| N4KRY | 11 | 57 | 1999-10-03 | 2001-10-04 | Available |
| N4KRZ | 11 | 55 | — | — | Available |
| N4KSA | 11 | 47 | 2026-05-17 | — | Active (Vanity) |