District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4DGQ | 8 | 61 | 1998-04-26 | 2000-04-27 | Available |
| K4DGR | 9 | 55 | 2032-09-30 | — | Active (Vanity) |
| K4DGS | 9 | 53 | 2032-01-28 | — | Active (Vanity) |
| K4DGT | 8 | 51 | — | — | Available |
| K4DGU | 9 | 55 | — | — | Available |
| K4DGV | 8 | 57 | 2006-04-01 | 2008-04-02 | Available |
| K4DGW | 8 | 57 | 2029-06-22 | — | Active (Vanity) |
| K4DGX | 8 | 59 | 2027-06-06 | — | Active (Vanity) |
| K4DGY | 8 | 61 | 2008-03-23 | 2010-03-24 | Available |
| K4DGZ | 8 | 59 | — | — | Available |
| K4DHA | 9 | 51 | 2029-06-09 | — | Active (Vanity) |
| K4DHB | 9 | 55 | 2033-10-24 | — | Active (Vanity) |
| K4DHC | 9 | 57 | 2029-08-06 | — | Active (Vanity) |
| K4DHD | 9 | 53 | 2033-08-22 | — | Active (Vanity) |
| K4DHE | 9 | 47 | 2013-12-13 | 2015-12-14 | Available |
| K4DHF | 9 | 55 | 2031-07-31 | — | Active (Vanity) |
| K4DHG | 8 | 55 | 2030-06-02 | — | Active (Vanity) |
| K4DHH | 9 | 53 | 2017-12-28 | 2019-12-29 | Available |
| K4DHI | 10 | 49 | — | — | Available |
| K4DHJ | 10 | 59 | 2035-06-14 | — | Active (Vanity) |
| K4DHK | 9 | 55 | 2034-11-19 | — | Active |
| K4DHL | 9 | 55 | 2029-09-30 | — | Active (Vanity) |
| K4DHM | 8 | 53 | 2035-06-03 | — | Active (Vanity) |
| K4DHN | 10 | 51 | 2014-10-27 | 2016-10-28 | Available |
| K4DHO | 9 | 57 | 2025-10-27 | — | Active (Vanity) |
| K4DHP | 9 | 57 | 2032-02-15 | — | Active (Vanity) |
| K4DHQ | 9 | 59 | 2027-10-31 | — | Active (Vanity) |
| K4DHR | 10 | 53 | 2031-01-12 | — | Active (Vanity) |
| K4DHS | 10 | 51 | 2034-03-06 | — | Active (Vanity) |
| K4DHT | 9 | 49 | 2028-11-06 | — | Active (Vanity) |
| K4DHU | 10 | 53 | 2005-06-28 | 2007-06-29 | Available |
| K4DHV | 9 | 55 | 2016-06-13 | 2018-06-14 | Available |
| K4DHW | 9 | 55 | 2014-07-16 | 2016-07-17 | Available |
| K4DHX | 9 | 57 | 2028-02-28 | — | Active |
| K4DHY | 9 | 59 | 2015-12-04 | 2017-12-05 | Available |
| K4DHZ | 9 | 57 | 2022-02-04 | 2024-02-05 | Available |
| K4DIA | 10 | 47 | 2029-08-20 | — | Active (Vanity) |
| K4DIB | 10 | 51 | 2009-07-09 | 2011-07-10 | Available |
| K4DIC | 10 | 53 | 2035-01-09 | — | Active |
| K4DID | 10 | 49 | 2030-07-18 | — | Active (Vanity) |
| K4DIE | 10 | 43 | — | — | Available |
| K4DIF | 10 | 51 | 2007-10-24 | 2009-10-25 | Available |
| K4DIG | 9 | 51 | 2032-03-08 | — | Active (Vanity) |
| K4DIH | 10 | 49 | — | — | Available |
| K4DII | 11 | 45 | 2026-09-13 | — | Active |
| K4DIJ | 11 | 55 | — | — | Available |
| K4DIK | 10 | 51 | 2004-11-21 | 2006-11-22 | Available |
| K4DIL | 10 | 51 | 2034-05-21 | — | Active (Vanity) |
| K4DIM | 9 | 49 | — | — | Available |
| K4DIN | 11 | 47 | 2028-08-22 | — | Active (Vanity) |
| K4DIO | 10 | 53 | — | — | Available |
| K4DIP | 10 | 53 | 2031-04-27 | — | Active (Vanity) |
| K4DIQ | 10 | 55 | — | — | Available |
| K4DIR | 11 | 49 | 2005-02-02 | 2007-02-03 | Available |
| K4DIS | 11 | 47 | 2028-09-23 | — | Active (Vanity) |
| K4DIT | 10 | 45 | 2028-10-05 | — | Active (Vanity) |
| K4DIU | 11 | 49 | 2016-12-18 | 2018-12-19 | Available |
| K4DIV | 10 | 51 | 2028-06-29 | — | Active (Vanity) |
| K4DIW | 10 | 51 | 2037-01-10 | — | Active |
| K4DIX | 10 | 53 | 2028-04-15 | — | Active (Vanity) |
| K4DIY | 10 | 55 | 2030-06-01 | — | Active (Vanity) |
| K4DIZ | 10 | 53 | 2031-02-17 | — | Active (Vanity) |
| K4DJA | 10 | 57 | 2028-05-04 | — | Active (Vanity) |
| K4DJB | 10 | 61 | 2024-12-12 | — | Active |
| K4DJC | 10 | 63 | 2035-08-22 | — | Active (Vanity) |
| K4DJD | 10 | 59 | 2030-07-14 | — | Active (Vanity) |
| K4DJE | 10 | 53 | 2031-06-09 | — | Active (Vanity) |
| K4DJF | 10 | 61 | 2027-03-06 | — | Active (Vanity) |
| K4DJG | 9 | 61 | 2036-12-10 | — | Active |
| K4DJH | 10 | 59 | 2035-08-30 | — | Active (Vanity) |
| K4DJI | 11 | 55 | — | — | Available |
| K4DJJ | 11 | 65 | 2025-12-23 | 2027-12-24 | Canceled (grace period) |
| K4DJK | 10 | 61 | — | — | Available |
| K4DJL | 10 | 61 | 2033-12-02 | — | Active (Vanity) |
| K4DJM | 9 | 59 | 2030-06-06 | — | Active (Vanity) |
| K4DJN | 11 | 57 | 2029-10-29 | — | Active (Vanity) |
| K4DJO | 10 | 63 | 2026-08-29 | — | Active (Vanity) |
| K4DJP | 10 | 63 | 2036-10-27 | — | Active (Vanity) |
| K4DJQ | 10 | 65 | 2026-12-06 | — | Active (Vanity) |
| K4DJR | 11 | 59 | 2029-05-27 | — | Active (Vanity) |
| K4DJS | 11 | 57 | 2030-03-24 | — | Active (Vanity) |
| K4DJT | 10 | 55 | 2035-04-19 | — | Active (Vanity) |
| K4DJU | 11 | 59 | 2027-04-17 | — | Active |
| K4DJV | 10 | 61 | 2031-06-04 | — | Active (Vanity) |
| K4DJW | 10 | 61 | 2033-07-15 | — | Active (Vanity) |
| K4DJX | 10 | 63 | 2025-07-16 | — | Active (Vanity) |
| K4DJY | 10 | 65 | 2024-04-13 | 2026-04-14 | Available |
| K4DJZ | 10 | 63 | 2036-06-24 | — | Active (Vanity) |
| K4DKA | 9 | 53 | 2030-12-01 | — | Active (Vanity) |
| K4DKB | 9 | 57 | 2021-01-03 | 2023-01-04 | Available |
| K4DKC | 9 | 59 | 2029-07-06 | — | Active (Vanity) |
| K4DKD | 9 | 55 | 2036-03-07 | — | Active (Vanity) |
| K4DKE | 9 | 49 | 2031-08-02 | — | Active (Vanity) |
| K4DKF | 9 | 57 | 2034-12-06 | — | Active (Vanity) |
| K4DKG | 8 | 57 | 2035-09-02 | — | Active (Vanity) |
| K4DKH | 9 | 55 | 2008-04-13 | 2010-04-14 | Available |
| K4DKI | 10 | 51 | 2031-04-27 | — | Active (Vanity) |
| K4DKJ | 10 | 61 | 2013-02-23 | 2015-02-24 | Available |
| K4DKK | 9 | 57 | 2035-11-03 | — | Active (Vanity) |
| K4DKL | 9 | 57 | — | — | Available |