District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4DAB | 10 | 49 | 2029-06-19 | — | Active (Vanity) |
| N4DAC | 10 | 51 | 2036-09-02 | — | Active (Vanity) |
| N4DAD | 10 | 47 | 2033-11-02 | — | Active |
| N4DAE | 10 | 41 | — | — | Available |
| N4DAF | 10 | 49 | 2031-02-05 | — | Active |
| N4DAG | 9 | 49 | 2023-04-20 | 2025-04-21 | Available |
| N4DAH | 10 | 47 | 2032-10-19 | — | Active (Vanity) |
| N4DAI | 11 | 43 | 2028-05-28 | — | Active (Vanity) |
| N4DAJ | 11 | 53 | 2028-11-12 | — | Active (Vanity) |
| N4DAK | 10 | 49 | 2029-07-18 | — | Active (Vanity) |
| N4DAL | 10 | 49 | 2027-11-09 | — | Active (Vanity) |
| N4DAM | 9 | 47 | 2033-11-19 | — | Active (Vanity) |
| N4DAN | 11 | 45 | 2028-01-07 | — | Active (Vanity) |
| N4DAO | 10 | 51 | 2030-07-07 | — | Active (Vanity) |
| N4DAP | 10 | 51 | 2027-04-04 | — | Active |
| N4DAQ | 10 | 53 | — | — | Available |
| N4DAR | 11 | 47 | 2031-01-09 | — | Active (Vanity) |
| N4DAS | 11 | 45 | 2036-02-10 | — | Active (Vanity) |
| N4DAT | 10 | 43 | 2027-03-12 | — | Active (Vanity) |
| N4DAU | 11 | 47 | 2025-10-27 | — | Active (Vanity) |
| N4DAV | 10 | 49 | 2030-12-23 | — | Active (Vanity) |
| N4DAW | 10 | 49 | 2028-01-07 | — | Active (Vanity) |
| N4DAX | 10 | 51 | 2028-07-22 | — | Active |
| N4DAY | 10 | 53 | 2031-01-03 | — | Active (Vanity) |
| N4DAZ | 10 | 51 | 1999-05-26 | 2001-05-27 | Available |
| N4DBA | 10 | 49 | 2028-01-26 | — | Active |
| N4DBB | 10 | 53 | 2009-04-02 | 2011-04-03 | Available |
| N4DBC | 10 | 55 | 2036-05-09 | — | Active (Vanity) |
| N4DBD | 10 | 51 | 2031-10-30 | — | Active (Vanity) |
| N4DBE | 10 | 45 | 2034-06-15 | — | Active (Vanity) |
| N4DBF | 10 | 53 | 2027-06-21 | — | Active |
| N4DBG | 9 | 53 | 2034-07-20 | — | Active (Vanity) |
| N4DBH | 10 | 51 | 2029-08-13 | — | Active (Vanity) |
| N4DBI | 11 | 47 | 2027-04-21 | — | Active (Vanity) |
| N4DBJ | 11 | 57 | 2035-10-17 | — | Active (Vanity) |
| N4DBK | 10 | 53 | 2027-07-25 | — | Active (Vanity) |
| N4DBL | 10 | 53 | 2035-07-26 | — | Active (Vanity) |
| N4DBM | 9 | 51 | 2036-11-25 | — | Active (Vanity) |
| N4DBN | 11 | 49 | — | — | Available |
| N4DBO | 10 | 55 | 2026-10-26 | — | Active |
| N4DBP | 10 | 55 | 2013-03-23 | 2015-03-24 | Available |
| N4DBQ | 10 | 57 | — | — | Available |
| N4DBR | 11 | 51 | 2027-07-03 | — | Active (Vanity) |
| N4DBS | 11 | 49 | 2028-03-06 | — | Active (Vanity) |
| N4DBT | 10 | 47 | 2035-03-20 | — | Active |
| N4DBU | 11 | 51 | — | — | Available |
| N4DBV | 10 | 53 | 2035-03-07 | — | Active (Vanity) |
| N4DBW | 10 | 53 | — | — | Available |
| N4DBX | 10 | 55 | 2036-06-13 | — | Active (Vanity) |
| N4DBY | 10 | 57 | 2034-03-26 | — | Active (Vanity) |
| N4DBZ | 10 | 55 | — | — | Available |
| N4DCA | 10 | 51 | 2021-02-27 | 2023-02-28 | Available |
| N4DCB | 10 | 55 | 2035-05-03 | — | Active (Vanity) |
| N4DCC | 10 | 57 | 2025-08-21 | — | Active |
| N4DCD | 10 | 53 | 2018-03-03 | 2020-03-04 | Available |
| N4DCE | 10 | 47 | — | — | Available |
| N4DCF | 10 | 55 | 2034-03-19 | — | Active (Vanity) |
| N4DCG | 9 | 55 | 2035-01-14 | — | Active (Vanity) |
| N4DCH | 10 | 53 | 2028-02-16 | — | Active (Vanity) |
| N4DCI | 11 | 49 | 2031-11-09 | — | Active (Vanity) |
| N4DCJ | 11 | 59 | 2021-02-19 | 2023-02-20 | Available |
| N4DCK | 10 | 55 | 2028-06-09 | — | Active (Vanity) |
| N4DCL | 10 | 55 | 2028-06-29 | — | Active (Vanity) |
| N4DCM | 9 | 53 | 2025-01-31 | — | Active |
| N4DCN | 11 | 51 | 2035-08-18 | — | Active |
| N4DCO | 10 | 57 | — | — | Available |
| N4DCP | 10 | 57 | 2036-03-14 | — | Active (Vanity) |
| N4DCQ | 10 | 59 | 2006-08-28 | 2008-08-29 | Available |
| N4DCR | 11 | 53 | 2033-07-18 | — | Active (Vanity) |
| N4DCS | 11 | 51 | 2026-12-06 | — | Active (Vanity) |
| N4DCT | 10 | 49 | 2035-11-19 | — | Active (Vanity) |
| N4DCU | 11 | 53 | 2031-11-12 | — | Active |
| N4DCV | 10 | 55 | — | — | Available |
| N4DCW | 10 | 55 | 2036-09-20 | — | Active (Vanity) |
| N4DCX | 10 | 57 | 2033-07-28 | — | Active (Vanity) |
| N4DCY | 10 | 59 | 2037-01-31 | — | Active |
| N4DCZ | 10 | 57 | 2019-01-19 | 2021-01-20 | Available |
| N4DDA | 10 | 47 | 2028-04-03 | — | Active (Vanity) |
| N4DDB | 10 | 51 | — | — | Available |
| N4DDC | 10 | 53 | 2036-05-05 | — | Active (Vanity) |
| N4DDD | 10 | 49 | 2030-02-13 | — | Active (Vanity) |
| N4DDE | 10 | 43 | — | — | Available |
| N4DDF | 10 | 51 | 2010-08-24 | 2012-08-25 | Available |
| N4DDG | 9 | 51 | 2034-03-12 | — | Active (Vanity) |
| N4DDH | 10 | 49 | 2030-01-25 | — | Active (Vanity) |
| N4DDI | 11 | 45 | — | — | Available |
| N4DDJ | 11 | 55 | 2026-09-06 | — | Active (Vanity) |
| N4DDK | 10 | 51 | 2018-12-17 | 2020-12-18 | Available |
| N4DDL | 10 | 51 | 2034-04-12 | — | Active |
| N4DDM | 9 | 49 | 2030-12-11 | — | Active (Vanity) |
| N4DDN | 11 | 47 | 2026-07-22 | — | Active |
| N4DDO | 10 | 53 | 2036-11-04 | — | Active |
| N4DDP | 10 | 53 | 2019-06-11 | 2021-06-12 | Available |
| N4DDQ | 10 | 55 | 2035-03-07 | — | Active |
| N4DDR | 11 | 49 | 2030-02-25 | — | Active (Vanity) |
| N4DDS | 11 | 47 | 2033-06-25 | — | Active (Vanity) |
| N4DDT | 10 | 45 | 2035-03-18 | — | Active (Vanity) |
| N4DDU | 11 | 49 | — | — | Available |
| N4DDV | 10 | 51 | 2018-04-25 | 2020-04-26 | Available |
| N4DDW | 10 | 51 | 2026-01-31 | — | Active |