District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4MMF | 8 | 51 | 2032-07-12 | — | Active |
| N4MMG | 7 | 51 | 2030-07-01 | — | Active (Vanity) |
| N4MMH | 8 | 49 | — | — | Available |
| N4MMI | 9 | 45 | 2031-04-22 | — | Active (Vanity) |
| N4MMJ | 9 | 55 | 2024-05-14 | 2026-05-15 | Available |
| N4MMK | 8 | 51 | — | — | Available |
| N4MML | 8 | 51 | 2017-04-17 | 2019-04-18 | Available |
| N4MMM | 7 | 49 | 2025-06-19 | — | Active |
| N4MMN | 9 | 47 | — | — | Available |
| N4MMO | 8 | 53 | 2027-05-15 | — | Active |
| N4MMP | 8 | 53 | 2024-09-06 | 2026-09-07 | Available |
| N4MMQ | 8 | 55 | 2024-03-05 | 2026-03-06 | Available |
| N4MMR | 9 | 49 | 2029-09-24 | — | Active (Vanity) |
| N4MMS | 9 | 47 | 2026-03-05 | — | Active |
| N4MMT | 8 | 45 | 2021-06-07 | 2023-06-08 | Available |
| N4MMU | 9 | 49 | 2036-03-01 | — | Active |
| N4MMV | 8 | 51 | 2005-09-26 | 2007-09-27 | Available |
| N4MMW | 8 | 51 | 2035-10-13 | — | Active |
| N4MMX | 8 | 53 | 2030-12-08 | — | Active (Vanity) |
| N4MMY | 8 | 55 | — | — | Available |
| N4MMZ | 8 | 53 | 2018-04-01 | 2020-04-02 | Available |
| N4MNA | 10 | 45 | 2021-04-02 | 2023-04-03 | Available |
| N4MNB | 10 | 49 | 2005-04-18 | 2007-04-19 | Available |
| N4MNC | 10 | 51 | 2030-02-19 | — | Active (Vanity) |
| N4MND | 10 | 47 | 2020-02-06 | 2022-02-07 | Available |
| N4MNE | 10 | 41 | 2035-07-18 | — | Active |
| N4MNF | 10 | 49 | — | — | Available |
| N4MNG | 9 | 49 | 2036-01-18 | — | Active |
| N4MNH | 10 | 47 | 2035-06-06 | — | Active |
| N4MNI | 11 | 43 | — | — | Available |
| N4MNJ | 11 | 53 | — | — | Available |
| N4MNK | 10 | 49 | 2033-03-13 | — | Active (Vanity) |
| N4MNL | 10 | 49 | — | — | Available |
| N4MNM | 9 | 47 | 2023-03-02 | 2025-03-03 | Available |
| N4MNN | 11 | 45 | 2029-01-20 | — | Active |
| N4MNO | 10 | 51 | 2027-06-30 | — | Active (Vanity) |
| N4MNP | 10 | 51 | 2035-07-05 | — | Active |
| N4MNQ | 10 | 53 | — | — | Available |
| N4MNR | 11 | 47 | 2010-07-03 | 2012-07-04 | Available |
| N4MNS | 11 | 45 | 2027-05-15 | — | Active (Vanity) |
| N4MNT | 10 | 43 | — | — | Available |
| N4MNU | 11 | 47 | 1997-11-10 | 1999-11-11 | Available |
| N4MNV | 10 | 49 | — | — | Available |
| N4MNW | 10 | 49 | 2029-06-28 | — | Active (Vanity) |
| N4MNX | 10 | 51 | — | — | Available |
| N4MNY | 10 | 53 | 2030-01-29 | — | Active (Vanity) |
| N4MNZ | 10 | 51 | 2015-06-12 | 2017-06-13 | Available |
| N4MOA | 9 | 51 | 2035-07-01 | — | Active |
| N4MOB | 9 | 55 | 2033-06-01 | — | Active |
| N4MOC | 9 | 57 | 2022-09-15 | 2024-09-16 | Available |
| N4MOD | 9 | 53 | 2036-07-07 | — | Active (Vanity) |
| N4MOE | 9 | 47 | 2029-04-21 | — | Active (Vanity) |
| N4MOF | 9 | 55 | 2005-04-12 | 2007-04-13 | Available |
| N4MOG | 8 | 55 | 2034-03-01 | — | Active |
| N4MOH | 9 | 53 | — | — | Available |
| N4MOI | 10 | 49 | 2005-05-16 | 2007-05-17 | Available |
| N4MOJ | 10 | 59 | 2015-11-17 | 2017-11-18 | Available |
| N4MOK | 9 | 55 | 2010-03-20 | 2012-03-21 | Available |
| N4MOL | 9 | 55 | 2015-03-24 | 2017-03-25 | Available |
| N4MOM | 8 | 53 | 2030-10-02 | — | Active (Vanity) |
| N4MON | 10 | 51 | — | — | Available |
| N4MOO | 9 | 57 | 2028-09-14 | — | Active (Vanity) |
| N4MOP | 9 | 57 | 2018-11-14 | 2020-11-15 | Available |
| N4MOQ | 9 | 59 | 2022-08-21 | 2024-08-22 | Available |
| N4MOR | 10 | 53 | 2036-08-28 | — | Active (Vanity) |
| N4MOS | 10 | 51 | 2035-02-20 | — | Active (Vanity) |
| N4MOT | 9 | 49 | 2027-02-12 | — | Active (Vanity) |
| N4MOU | 10 | 53 | 2035-10-11 | — | Active |
| N4MOV | 9 | 55 | 2033-08-03 | — | Active |
| N4MOW | 9 | 55 | 2025-05-31 | — | Active |
| N4MOX | 9 | 57 | 2030-10-30 | — | Active (Vanity) |
| N4MOY | 9 | 59 | — | — | Available |
| N4MOZ | 9 | 57 | — | — | Available |
| N4MPA | 9 | 51 | 2036-05-25 | — | Active |
| N4MPB | 9 | 55 | 2012-04-26 | 2014-04-27 | Available |
| N4MPC | 9 | 57 | 2036-10-08 | — | Active |
| N4MPD | 9 | 53 | 2020-08-28 | 2022-08-29 | Available |
| N4MPE | 9 | 47 | — | — | Available |
| N4MPF | 9 | 55 | 2005-08-24 | 2007-08-25 | Available |
| N4MPG | 8 | 55 | 2005-05-25 | 2007-05-26 | Available |
| N4MPH | 9 | 53 | 2028-02-06 | — | Active (Vanity) |
| N4MPI | 10 | 49 | 2018-09-23 | 2020-09-24 | Available |
| N4MPJ | 10 | 59 | 2017-12-19 | 2019-12-20 | Available |
| N4MPK | 9 | 55 | 2023-03-23 | 2025-03-24 | Available |
| N4MPL | 9 | 55 | 2026-06-10 | — | Active |
| N4MPM | 8 | 53 | 2027-02-06 | — | Active |
| N4MPN | 10 | 51 | 2012-01-28 | 2014-01-29 | Available |
| N4MPO | 9 | 57 | 2027-01-07 | — | Active (Vanity) |
| N4MPP | 9 | 57 | 2032-12-16 | — | Active (Vanity) |
| N4MPQ | 9 | 59 | 2008-04-14 | 2010-04-15 | Available |
| N4MPR | 10 | 53 | 2026-08-22 | — | Active |
| N4MPS | 10 | 51 | 2035-03-13 | — | Active |
| N4MPT | 9 | 49 | 2015-05-01 | 2017-05-02 | Available |
| N4MPU | 10 | 53 | 2025-10-07 | — | Active |
| N4MPV | 9 | 55 | 2036-11-26 | — | Active |
| N4MPW | 9 | 55 | — | — | Available |
| N4MPX | 9 | 57 | 2013-06-15 | 2015-06-16 | Available |
| N4MPY | 9 | 59 | 2000-02-08 | 2002-02-09 | Available |
| N4MPZ | 9 | 57 | 2007-03-24 | 2009-03-25 | Available |
| N4MQA | 9 | 53 | — | — | Available |