District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4DTH | 10 | 45 | 2033-01-24 | — | Active (Vanity) |
| N4DTI | 11 | 41 | — | — | Available |
| N4DTJ | 11 | 51 | 2014-02-27 | 2016-02-28 | Available |
| N4DTK | 10 | 47 | 2034-12-23 | — | Active |
| N4DTL | 10 | 47 | 2011-06-14 | 2013-06-15 | Available |
| N4DTM | 9 | 45 | 2025-06-28 | — | Active |
| N4DTN | 11 | 43 | 2014-03-25 | 2016-03-26 | Available |
| N4DTO | 10 | 49 | 2023-07-14 | 2025-07-15 | Available |
| N4DTP | 10 | 49 | — | — | Available |
| N4DTQ | 10 | 51 | — | — | Available |
| N4DTR | 11 | 45 | 2030-08-26 | — | Active (Vanity) |
| N4DTS | 11 | 43 | 2027-08-16 | — | Active |
| N4DTT | 10 | 41 | — | — | Available |
| N4DTU | 11 | 45 | 2015-03-03 | 2017-03-04 | Available |
| N4DTV | 10 | 47 | 2030-08-27 | — | Active (Vanity) |
| N4DTW | 10 | 47 | — | — | Available |
| N4DTX | 10 | 49 | 2027-02-08 | — | Active (Vanity) |
| N4DTY | 10 | 51 | — | — | Available |
| N4DTZ | 10 | 49 | 2031-10-01 | — | Active |
| N4DUA | 11 | 47 | 2025-05-22 | — | Active |
| N4DUB | 11 | 51 | 2028-03-13 | — | Active (Vanity) |
| N4DUC | 11 | 53 | 2030-12-11 | — | Active (Vanity) |
| N4DUD | 11 | 49 | — | — | Available |
| N4DUE | 11 | 43 | 2023-09-14 | 2025-09-15 | Available |
| N4DUF | 11 | 51 | 2031-05-04 | — | Active (Vanity) |
| N4DUG | 10 | 51 | 2030-05-16 | — | Active (Vanity) |
| N4DUH | 11 | 49 | 2032-06-22 | — | Active (Vanity) |
| N4DUI | 12 | 45 | 2004-03-23 | 2006-03-24 | Available |
| N4DUJ | 12 | 55 | — | — | Available |
| N4DUK | 11 | 51 | 2025-11-28 | — | Active |
| N4DUL | 11 | 51 | 2025-12-20 | — | Active |
| N4DUM | 10 | 49 | — | — | Available |
| N4DUN | 12 | 47 | 2020-11-06 | 2022-11-07 | Available |
| N4DUO | 11 | 53 | 2026-01-12 | — | Active |
| N4DUP | 11 | 53 | — | — | Available |
| N4DUQ | 11 | 55 | 2025-08-18 | — | Active (Vanity) |
| N4DUR | 12 | 49 | 2036-07-21 | — | Active (Vanity) |
| N4DUS | 12 | 47 | 2004-01-04 | 2006-01-05 | Available |
| N4DUT | 11 | 45 | 2025-12-07 | — | Active |
| N4DUU | 12 | 49 | 2003-11-02 | 2005-11-03 | Available |
| N4DUV | 11 | 51 | 2003-04-06 | 2005-04-07 | Available |
| N4DUW | 11 | 51 | 2008-01-26 | 2010-01-27 | Available |
| N4DUX | 11 | 53 | 2035-01-25 | — | Active (Vanity) |
| N4DUY | 11 | 55 | 2006-04-15 | 2008-04-16 | Available |
| N4DUZ | 11 | 53 | 1997-12-08 | 1999-12-09 | Available |
| N4DVA | 10 | 49 | 2022-08-27 | 2024-08-28 | Available |
| N4DVB | 10 | 53 | 2031-06-22 | — | Active (Vanity) |
| N4DVC | 10 | 55 | 2026-10-14 | — | Active (Vanity) |
| N4DVD | 10 | 51 | 2027-04-17 | — | Active (Vanity) |
| N4DVE | 10 | 45 | 2023-06-22 | 2025-06-23 | Available |
| N4DVF | 10 | 53 | 2002-07-14 | 2004-07-15 | Available |
| N4DVG | 9 | 53 | 2030-01-30 | — | Active |
| N4DVH | 10 | 51 | 2032-08-09 | — | Active (Vanity) |
| N4DVI | 11 | 47 | — | — | Available |
| N4DVJ | 11 | 57 | 2025-07-25 | — | Active |
| N4DVK | 10 | 53 | — | — | Available |
| N4DVL | 10 | 53 | — | — | Available |
| N4DVM | 9 | 51 | 2033-02-14 | — | Active (Vanity) |
| N4DVN | 11 | 49 | — | — | Available |
| N4DVO | 10 | 55 | — | — | Available |
| N4DVP | 10 | 55 | — | — | Available |
| N4DVQ | 10 | 57 | — | — | Available |
| N4DVR | 11 | 51 | 2024-07-31 | 2026-08-01 | Available |
| N4DVS | 11 | 49 | 2006-02-12 | 2008-02-13 | Available |
| N4DVT | 10 | 47 | 2002-04-03 | 2004-04-04 | Available |
| N4DVU | 11 | 51 | — | — | Available |
| N4DVV | 10 | 53 | — | — | Available |
| N4DVW | 10 | 53 | 2029-08-29 | — | Active (Vanity) |
| N4DVX | 10 | 55 | 2017-10-07 | 2019-10-08 | Available |
| N4DVY | 10 | 57 | — | — | Available |
| N4DVZ | 10 | 55 | — | — | Available |
| N4DWA | 10 | 49 | 2035-06-10 | — | Active (Vanity) |
| N4DWB | 10 | 53 | 2020-07-20 | 2022-07-21 | Available |
| N4DWC | 10 | 55 | 2035-07-15 | — | Active |
| N4DWD | 10 | 51 | 2028-07-31 | — | Active (Vanity) |
| N4DWE | 10 | 45 | 2026-07-03 | — | Active |
| N4DWF | 10 | 53 | 2018-12-23 | 2020-12-24 | Available |
| N4DWG | 9 | 53 | 2034-08-16 | — | Active (Vanity) |
| N4DWH | 10 | 51 | 2031-05-25 | — | Active (Vanity) |
| N4DWI | 11 | 47 | 1999-07-18 | 2001-07-19 | Available |
| N4DWJ | 11 | 57 | 2036-05-09 | — | Active (Vanity) |
| N4DWK | 10 | 53 | 2031-10-10 | — | Active (Vanity) |
| N4DWL | 10 | 53 | 2036-07-15 | — | Active (Vanity) |
| N4DWM | 9 | 51 | 2031-02-23 | — | Active (Vanity) |
| N4DWN | 11 | 49 | 2027-08-08 | — | Active |
| N4DWO | 10 | 55 | 2025-09-14 | — | Active |
| N4DWP | 10 | 55 | 2033-09-12 | — | Active (Vanity) |
| N4DWQ | 10 | 57 | 2035-06-19 | — | Active |
| N4DWR | 11 | 51 | 2029-02-26 | — | Active (Vanity) |
| N4DWS | 11 | 49 | 2031-07-21 | — | Active (Vanity) |
| N4DWT | 10 | 47 | 2032-07-23 | — | Active |
| N4DWU | 11 | 51 | 2025-06-06 | — | Active |
| N4DWV | 10 | 53 | — | — | Available |
| N4DWW | 10 | 53 | 2032-12-04 | — | Active (Vanity) |
| N4DWX | 10 | 55 | 2027-02-11 | — | Active (Vanity) |
| N4DWY | 10 | 57 | 2035-08-12 | — | Active (Vanity) |
| N4DWZ | 10 | 55 | — | — | Available |
| N4DXA | 10 | 51 | 2036-06-30 | — | Active (Vanity) |
| N4DXB | 10 | 55 | 2025-02-15 | — | Active (Vanity) |
| N4DXC | 10 | 57 | 2023-02-10 | 2025-02-11 | Available |