District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4KCR | 11 | 55 | — | — | Available |
| N4KCS | 11 | 53 | 2017-10-16 | 2019-10-17 | Available |
| N4KCT | 10 | 51 | 2031-01-29 | — | Active (Vanity) |
| N4KCU | 11 | 55 | 2033-09-30 | — | Active |
| N4KCV | 10 | 57 | — | — | Available |
| N4KCW | 10 | 57 | 2033-12-31 | — | Active (Vanity) |
| N4KCX | 10 | 59 | 2035-12-09 | — | Active (Vanity) |
| N4KCY | 10 | 61 | 2024-05-24 | 2026-05-25 | Available |
| N4KCZ | 10 | 59 | — | — | Available |
| N4KDA | 10 | 49 | 2027-03-20 | — | Active (Vanity) |
| N4KDB | 10 | 53 | 2027-11-24 | — | Active (Vanity) |
| N4KDC | 10 | 55 | 2028-12-28 | — | Active |
| N4KDD | 10 | 51 | 2034-09-08 | — | Active |
| N4KDE | 10 | 45 | 2027-09-15 | — | Active |
| N4KDF | 10 | 53 | 2035-02-28 | — | Active |
| N4KDG | 9 | 53 | 2035-10-14 | — | Active |
| N4KDH | 10 | 51 | 2028-12-18 | — | Active (Vanity) |
| N4KDI | 11 | 47 | — | — | Available |
| N4KDJ | 11 | 57 | 2033-06-06 | — | Active (Vanity) |
| N4KDK | 10 | 53 | 2034-11-22 | — | Active (Vanity) |
| N4KDL | 10 | 53 | 1999-01-08 | 2001-01-09 | Available |
| N4KDM | 9 | 51 | 2029-02-02 | — | Active (Vanity) |
| N4KDN | 11 | 49 | — | — | Available |
| N4KDO | 10 | 55 | 2014-08-06 | 2016-08-07 | Available |
| N4KDP | 10 | 55 | 2028-01-03 | — | Active (Vanity) |
| N4KDQ | 10 | 57 | — | — | Available |
| N4KDR | 11 | 51 | 2023-09-04 | 2025-09-05 | Available |
| N4KDS | 11 | 49 | 2031-12-28 | — | Active (Vanity) |
| N4KDT | 10 | 47 | 2034-09-04 | — | Active (Vanity) |
| N4KDU | 11 | 51 | 2021-07-13 | 2023-07-14 | Available |
| N4KDV | 10 | 53 | 2004-07-14 | 2006-07-15 | Available |
| N4KDW | 10 | 53 | 2036-07-19 | — | Active (Vanity) |
| N4KDX | 10 | 55 | 2023-03-31 | 2025-04-01 | Available |
| N4KDY | 10 | 57 | 2010-01-30 | 2012-01-31 | Available |
| N4KDZ | 10 | 55 | 2014-03-22 | 2016-03-23 | Available |
| N4KEA | 10 | 43 | 2032-10-13 | — | Active |
| N4KEB | 10 | 47 | 2034-05-24 | — | Active |
| N4KEC | 10 | 49 | 2032-03-04 | — | Active (Vanity) |
| N4KED | 10 | 45 | 2033-09-19 | — | Active (Vanity) |
| N4KEE | 10 | 39 | 2029-07-14 | — | Active (Vanity) |
| N4KEF | 10 | 47 | 2004-03-08 | 2006-03-09 | Available |
| N4KEG | 9 | 47 | 2034-03-01 | — | Active |
| N4KEH | 10 | 45 | — | — | Available |
| N4KEI | 11 | 41 | 2030-08-10 | — | Active (Vanity) |
| N4KEJ | 11 | 51 | 2034-07-14 | — | Active |
| N4KEK | 10 | 47 | 2034-06-04 | — | Active (Vanity) |
| N4KEL | 10 | 47 | 2036-03-13 | — | Active (Vanity) |
| N4KEM | 9 | 45 | 2030-08-14 | — | Active |
| N4KEN | 11 | 43 | 2027-05-15 | — | Active (Vanity) |
| N4KEO | 10 | 49 | — | — | Available |
| N4KEP | 10 | 49 | 2032-06-16 | — | Active |
| N4KEQ | 10 | 51 | 2022-03-24 | 2024-03-25 | Available |
| N4KER | 11 | 45 | 2034-02-22 | — | Active |
| N4KES | 11 | 43 | 2034-03-26 | — | Active (Vanity) |
| N4KET | 10 | 41 | 2024-08-15 | 2026-08-16 | Available |
| N4KEU | 11 | 45 | — | — | Available |
| N4KEV | 10 | 47 | 2028-10-05 | — | Active (Vanity) |
| N4KEW | 10 | 47 | 2014-07-14 | 2016-07-15 | Available |
| N4KEX | 10 | 49 | — | — | Available |
| N4KEY | 10 | 51 | 2029-02-20 | — | Active (Vanity) |
| N4KEZ | 10 | 49 | 2019-07-30 | 2021-07-31 | Available |
| N4KFA | 10 | 51 | 2016-02-17 | 2018-02-18 | Available |
| N4KFB | 10 | 55 | 2020-11-17 | 2022-11-18 | Available |
| N4KFC | 10 | 57 | 2027-07-07 | — | Active (Vanity) |
| N4KFD | 10 | 53 | 2027-07-17 | — | Active (Vanity) |
| N4KFE | 10 | 47 | 2032-04-22 | — | Active (Vanity) |
| N4KFF | 10 | 55 | 2017-11-11 | 2019-11-12 | Available |
| N4KFG | 9 | 55 | 2018-04-24 | 2020-04-25 | Available |
| N4KFH | 10 | 53 | 2004-03-01 | 2006-03-02 | Available |
| N4KFI | 11 | 49 | 2022-12-29 | 2024-12-30 | Available |
| N4KFJ | 11 | 59 | 2024-07-28 | 2026-07-29 | Available |
| N4KFK | 10 | 55 | 2024-09-01 | 2026-09-02 | Available |
| N4KFL | 10 | 55 | 2024-09-07 | 2026-09-08 | Available |
| N4KFM | 9 | 53 | 2012-05-12 | 2014-05-13 | Available |
| N4KFN | 11 | 51 | 2035-06-09 | — | Active |
| N4KFO | 10 | 57 | 2029-08-05 | — | Active |
| N4KFP | 10 | 57 | 2035-01-26 | — | Active |
| N4KFQ | 10 | 59 | 2032-07-20 | — | Active (Vanity) |
| N4KFR | 11 | 53 | — | — | Available |
| N4KFS | 11 | 51 | 2009-03-10 | 2011-03-11 | Available |
| N4KFT | 10 | 49 | 2031-09-11 | — | Active (Vanity) |
| N4KFU | 11 | 53 | 2014-12-08 | 2016-12-09 | Available |
| N4KFV | 10 | 55 | 2024-04-26 | 2026-04-27 | Available |
| N4KFW | 10 | 55 | 2024-04-26 | 2026-04-27 | Available |
| N4KFX | 10 | 57 | 2017-08-10 | 2019-08-11 | Available |
| N4KFY | 10 | 59 | 2002-02-04 | 2004-02-05 | Available |
| N4KFZ | 10 | 57 | — | — | Available |
| N4KGA | 9 | 51 | — | — | Available |
| N4KGB | 9 | 55 | 2035-01-11 | — | Active (Vanity) |
| N4KGC | 9 | 57 | 2026-02-09 | — | Active (Vanity) |
| N4KGD | 9 | 53 | — | — | Available |
| N4KGE | 9 | 47 | 2016-06-16 | 2018-06-17 | Available |
| N4KGF | 9 | 55 | 2034-06-16 | — | Active |
| N4KGG | 8 | 55 | 2014-07-09 | 2016-07-10 | Available |
| N4KGH | 9 | 53 | 2024-03-25 | 2026-03-26 | Available |
| N4KGI | 10 | 49 | 2024-06-16 | 2026-06-17 | Available |
| N4KGJ | 10 | 59 | 2024-06-17 | 2026-06-18 | Available |
| N4KGK | 9 | 55 | 2009-08-18 | 2011-08-19 | Available |
| N4KGL | 9 | 55 | 2028-08-22 | — | Active (Vanity) |
| N4KGM | 8 | 53 | 2024-12-22 | — | Active |