District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4DLP | 10 | 55 | 2025-09-15 | — | Active |
| N4DLQ | 10 | 57 | — | — | Available |
| N4DLR | 11 | 51 | 2036-02-21 | — | Active |
| N4DLS | 11 | 49 | 2030-07-03 | — | Active (Vanity) |
| N4DLT | 10 | 47 | 2032-01-10 | — | Active (Vanity) |
| N4DLU | 11 | 51 | — | — | Available |
| N4DLV | 10 | 53 | 2000-09-02 | 2002-09-03 | Available |
| N4DLW | 10 | 53 | 2032-08-09 | — | Active (Vanity) |
| N4DLX | 10 | 55 | — | — | Available |
| N4DLY | 10 | 57 | — | — | Available |
| N4DLZ | 10 | 55 | — | — | Available |
| N4DMA | 9 | 47 | 2024-02-13 | 2026-02-14 | Available |
| N4DMB | 9 | 51 | 2030-02-26 | — | Active |
| N4DMC | 9 | 53 | 2032-02-04 | — | Active (Vanity) |
| N4DMD | 9 | 49 | 2036-02-10 | — | Active (Vanity) |
| N4DME | 9 | 43 | 2025-05-20 | — | Active (Vanity) |
| N4DMF | 9 | 51 | 2035-09-23 | — | Active (Vanity) |
| N4DMG | 8 | 51 | 2006-03-19 | 2008-03-20 | Available |
| N4DMH | 9 | 49 | 2022-01-14 | 2024-01-15 | Available |
| N4DMI | 10 | 45 | 2035-11-28 | — | Active |
| N4DMJ | 10 | 55 | 2036-08-26 | — | Active (Vanity) |
| N4DMK | 9 | 51 | 2013-02-25 | 2015-02-26 | Available |
| N4DML | 9 | 51 | 2020-08-04 | 2022-08-05 | Available |
| N4DMM | 8 | 49 | 2028-11-25 | — | Active (Vanity) |
| N4DMN | 10 | 47 | 1999-03-15 | 2001-03-16 | Available |
| N4DMO | 9 | 53 | 2025-02-27 | — | Active |
| N4DMP | 9 | 53 | — | — | Available |
| N4DMQ | 9 | 55 | — | — | Available |
| N4DMR | 10 | 49 | 2028-01-07 | — | Active (Vanity) |
| N4DMS | 10 | 47 | 2026-09-11 | — | Active |
| N4DMT | 9 | 45 | 2036-09-19 | — | Active (Vanity) |
| N4DMU | 10 | 49 | — | — | Available |
| N4DMV | 9 | 51 | 2032-06-24 | — | Active (Vanity) |
| N4DMW | 9 | 51 | 2035-01-21 | — | Active (Vanity) |
| N4DMX | 9 | 53 | 2034-01-18 | — | Active (Vanity) |
| N4DMY | 9 | 55 | — | — | Available |
| N4DMZ | 9 | 53 | 2036-11-06 | — | Active |
| N4DNA | 11 | 45 | 2031-08-31 | — | Active (Vanity) |
| N4DNB | 11 | 49 | 2026-02-12 | — | Active |
| N4DNC | 11 | 51 | 2030-03-18 | — | Active |
| N4DND | 11 | 47 | 2035-09-17 | — | Active |
| N4DNE | 11 | 41 | — | — | Available |
| N4DNF | 11 | 49 | — | — | Available |
| N4DNG | 10 | 49 | — | — | Available |
| N4DNH | 11 | 47 | 2036-03-14 | — | Active |
| N4DNI | 12 | 43 | 2004-10-18 | 2006-10-19 | Available |
| N4DNJ | 12 | 53 | 2004-07-14 | 2006-07-15 | Available |
| N4DNK | 11 | 49 | 2011-06-20 | 2013-06-21 | Available |
| N4DNL | 11 | 49 | — | — | Available |
| N4DNM | 10 | 47 | — | — | Available |
| N4DNN | 12 | 45 | — | — | Available |
| N4DNO | 11 | 51 | 2032-12-06 | — | Active (Vanity) |
| N4DNP | 11 | 51 | 2005-06-29 | 2007-06-30 | Available |
| N4DNQ | 11 | 53 | — | — | Available |
| N4DNR | 12 | 47 | 2036-11-14 | — | Active |
| N4DNS | 12 | 45 | — | — | Available |
| N4DNT | 11 | 43 | 2003-08-17 | 2005-08-18 | Available |
| N4DNU | 12 | 47 | — | — | Available |
| N4DNV | 11 | 49 | 2007-02-12 | 2009-02-13 | Available |
| N4DNW | 11 | 49 | 2035-06-27 | — | Active |
| N4DNX | 11 | 51 | 2027-07-15 | — | Active |
| N4DNY | 11 | 53 | — | — | Available |
| N4DNZ | 11 | 51 | — | — | Available |
| N4DOA | 10 | 51 | 2025-06-10 | 2027-06-11 | Canceled (grace period) |
| N4DOB | 10 | 55 | 2032-10-12 | — | Active (Vanity) |
| N4DOC | 10 | 57 | 2029-12-12 | — | Active |
| N4DOD | 10 | 53 | 2029-08-12 | — | Active |
| N4DOE | 10 | 47 | 2029-03-01 | — | Active |
| N4DOF | 10 | 55 | — | — | Available |
| N4DOG | 9 | 55 | 2029-12-17 | — | Active (Vanity) |
| N4DOH | 10 | 53 | 2021-09-08 | 2023-09-09 | Available |
| N4DOI | 11 | 49 | — | — | Available |
| N4DOJ | 11 | 59 | 2007-02-11 | 2009-02-12 | Available |
| N4DOK | 10 | 55 | 2025-11-02 | — | Active |
| N4DOL | 10 | 55 | — | — | Pending Application |
| N4DOM | 9 | 53 | 2028-06-30 | — | Active (Vanity) |
| N4DON | 11 | 51 | 2031-05-14 | — | Active |
| N4DOO | 10 | 57 | 2015-04-27 | 2017-04-28 | Available |
| N4DOP | 10 | 57 | 2036-08-21 | — | Active |
| N4DOQ | 10 | 59 | 2000-07-04 | 2002-07-05 | Available |
| N4DOR | 11 | 53 | 2030-11-17 | — | Active (Vanity) |
| N4DOS | 11 | 51 | 2032-03-27 | — | Active (Vanity) |
| N4DOT | 10 | 49 | 2034-01-23 | — | Active (Vanity) |
| N4DOU | 11 | 53 | 2034-05-17 | — | Active |
| N4DOV | 10 | 55 | 2031-05-07 | — | Active (Vanity) |
| N4DOW | 10 | 55 | 2034-12-27 | — | Active (Vanity) |
| N4DOX | 10 | 57 | 2029-02-08 | — | Active |
| N4DOY | 10 | 59 | — | — | Available |
| N4DOZ | 10 | 57 | — | — | Available |
| N4DPA | 10 | 51 | — | — | Available |
| N4DPB | 10 | 55 | 2035-01-11 | — | Active (Vanity) |
| N4DPC | 10 | 57 | — | — | Available |
| N4DPD | 10 | 53 | 2022-03-04 | 2024-03-05 | Available |
| N4DPE | 10 | 47 | — | — | Available |
| N4DPF | 10 | 55 | 2029-10-26 | — | Active (Vanity) |
| N4DPG | 9 | 55 | 2030-08-04 | — | Active (Vanity) |
| N4DPH | 10 | 53 | 2034-09-20 | — | Active (Vanity) |
| N4DPI | 11 | 49 | 2015-04-12 | 2017-04-13 | Available |
| N4DPJ | 11 | 59 | — | — | Available |
| N4DPK | 10 | 55 | 2032-07-23 | — | Active (Vanity) |