District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4KGN | 10 | 51 | 2005-02-10 | 2007-02-11 | Available |
| N4KGO | 9 | 57 | 2023-06-22 | 2025-06-23 | Available |
| N4KGP | 9 | 57 | — | — | Available |
| N4KGQ | 9 | 59 | 2018-08-21 | 2020-08-22 | Available |
| N4KGR | 10 | 53 | 2028-04-07 | — | Active |
| N4KGS | 10 | 51 | 2004-05-24 | 2006-05-25 | Available |
| N4KGT | 9 | 49 | 2034-03-22 | — | Active |
| N4KGU | 10 | 53 | — | — | Available |
| N4KGV | 9 | 55 | 2036-08-16 | — | Active |
| N4KGW | 9 | 55 | 2024-05-31 | 2026-06-01 | Available |
| N4KGX | 9 | 57 | — | — | Available |
| N4KGY | 9 | 59 | 2034-08-23 | — | Active |
| N4KGZ | 9 | 57 | — | — | Available |
| N4KHA | 10 | 49 | 2014-07-15 | 2016-07-16 | Available |
| N4KHB | 10 | 53 | 2031-03-15 | — | Active (Vanity) |
| N4KHC | 10 | 55 | 2004-07-13 | 2006-07-14 | Available |
| N4KHD | 10 | 51 | 2024-09-06 | 2026-09-07 | Available |
| N4KHE | 10 | 45 | — | — | Available |
| N4KHF | 10 | 53 | 2031-03-27 | — | Active (Vanity) |
| N4KHG | 9 | 53 | 2014-05-31 | 2016-06-01 | Available |
| N4KHH | 10 | 51 | — | — | Available |
| N4KHI | 11 | 47 | 2036-02-12 | — | Active |
| N4KHJ | 11 | 57 | — | — | Available |
| N4KHK | 10 | 53 | — | — | Available |
| N4KHL | 10 | 53 | — | — | Available |
| N4KHM | 9 | 51 | — | — | Available |
| N4KHN | 11 | 49 | 2014-02-22 | 2016-02-23 | Available |
| N4KHO | 10 | 55 | 2034-07-08 | — | Active |
| N4KHP | 10 | 55 | — | — | Available |
| N4KHQ | 10 | 57 | 2031-07-04 | — | Active |
| N4KHR | 11 | 51 | 2008-04-22 | 2010-04-23 | Available |
| N4KHS | 11 | 49 | 2011-10-08 | 2013-10-09 | Available |
| N4KHT | 10 | 47 | 2001-07-30 | 2003-07-31 | Available |
| N4KHU | 11 | 51 | 2023-07-06 | 2025-07-07 | Available |
| N4KHV | 10 | 53 | — | — | Available |
| N4KHW | 10 | 53 | — | — | Available |
| N4KHX | 10 | 55 | 2017-02-24 | 2019-02-25 | Available |
| N4KHY | 10 | 57 | — | — | Available |
| N4KHZ | 10 | 55 | 2036-01-10 | — | Active |
| N4KIA | 11 | 45 | 2035-02-21 | — | Active (Vanity) |
| N4KIB | 11 | 49 | 2030-12-30 | — | Active |
| N4KIC | 11 | 51 | 2004-07-09 | 2006-07-10 | Available |
| N4KID | 11 | 47 | 2029-09-05 | — | Active |
| N4KIE | 11 | 41 | 2035-01-28 | — | Active |
| N4KIF | 11 | 49 | 2008-10-23 | 2010-10-24 | Available |
| N4KIG | 10 | 49 | 2030-02-06 | — | Active |
| N4KIH | 11 | 47 | — | — | Available |
| N4KII | 12 | 43 | 2026-10-07 | — | Active |
| N4KIJ | 12 | 53 | 2034-07-01 | — | Active |
| N4KIK | 11 | 49 | — | — | Available |
| N4KIL | 11 | 49 | 2005-11-28 | 2007-11-29 | Available |
| N4KIM | 10 | 47 | 2028-07-11 | — | Active |
| N4KIN | 12 | 45 | 2036-01-29 | — | Active (Vanity) |
| N4KIO | 11 | 51 | — | — | Available |
| N4KIP | 11 | 51 | 2021-01-23 | 2023-01-24 | Available |
| N4KIQ | 11 | 53 | — | — | Available |
| N4KIR | 12 | 47 | 2004-03-22 | 2006-03-23 | Available |
| N4KIS | 12 | 45 | 2026-05-03 | — | Active (Vanity) |
| N4KIT | 11 | 43 | 2030-12-08 | — | Active (Vanity) |
| N4KIU | 12 | 47 | 2004-07-13 | 2006-07-14 | Available |
| N4KIV | 11 | 49 | 2017-11-11 | 2019-11-12 | Available |
| N4KIW | 11 | 49 | 2024-12-23 | — | Active |
| N4KIX | 11 | 51 | 2034-12-21 | — | Active |
| N4KIY | 11 | 53 | 2023-01-19 | 2025-01-20 | Available |
| N4KIZ | 11 | 51 | 2036-11-22 | — | Active (Vanity) |
| N4KJA | 11 | 55 | 2034-07-14 | — | Active |
| N4KJB | 11 | 59 | 2032-07-06 | — | Active (Vanity) |
| N4KJC | 11 | 61 | 2033-04-04 | — | Active (Vanity) |
| N4KJD | 11 | 57 | 2014-07-27 | 2016-07-28 | Available |
| N4KJE | 11 | 51 | 2028-04-11 | — | Active |
| N4KJF | 11 | 59 | 2029-06-25 | — | Active |
| N4KJG | 10 | 59 | 2021-10-10 | 2023-10-11 | Available |
| N4KJH | 11 | 57 | 2029-08-21 | — | Active |
| N4KJI | 12 | 53 | 2004-07-13 | 2006-07-14 | Available |
| N4KJJ | 12 | 63 | 2024-05-24 | 2026-05-25 | Available |
| N4KJK | 11 | 59 | 2030-02-20 | — | Active (Vanity) |
| N4KJL | 11 | 59 | 2018-12-30 | 2020-12-31 | Available |
| N4KJM | 10 | 57 | 2026-06-20 | — | Active |
| N4KJN | 12 | 55 | 2027-04-03 | — | Active (Vanity) |
| N4KJO | 11 | 61 | — | — | Available |
| N4KJP | 11 | 61 | 2024-10-10 | 2026-10-11 | Available |
| N4KJQ | 11 | 63 | 2004-11-29 | 2006-11-30 | Available |
| N4KJR | 12 | 57 | 2034-06-04 | — | Active |
| N4KJS | 12 | 55 | 2024-07-08 | 2026-07-09 | Available |
| N4KJT | 11 | 53 | 2030-09-19 | — | Active (Vanity) |
| N4KJU | 12 | 57 | 2033-04-13 | — | Active |
| N4KJV | 11 | 59 | 2034-10-11 | — | Active (Vanity) |
| N4KJW | 11 | 59 | 2035-02-09 | — | Active |
| N4KJX | 11 | 61 | 2005-05-26 | 2007-05-27 | Available |
| N4KJY | 11 | 63 | — | — | Available |
| N4KJZ | 11 | 61 | — | — | Available |
| N4KKA | 10 | 51 | 2004-06-16 | 2006-06-17 | Available |
| N4KKB | 10 | 55 | 2030-04-03 | — | Active (Vanity) |
| N4KKC | 10 | 57 | 2032-09-07 | — | Active |
| N4KKD | 10 | 53 | 2036-05-16 | — | Active |
| N4KKE | 10 | 47 | — | — | Available |
| N4KKF | 10 | 55 | — | — | Available |
| N4KKG | 9 | 55 | — | — | Available |
| N4KKH | 10 | 53 | 2026-08-18 | — | Active |
| N4KKI | 11 | 49 | 2027-08-22 | — | Active (Vanity) |