District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4MIJ | 11 | 51 | 2035-10-25 | — | Active |
| N4MIK | 10 | 47 | 2029-04-12 | — | Active (Vanity) |
| N4MIL | 10 | 47 | 2034-11-19 | — | Active (Vanity) |
| N4MIM | 9 | 45 | 2031-08-08 | — | Active |
| N4MIN | 11 | 43 | 2025-10-17 | — | Active (Vanity) |
| N4MIO | 10 | 49 | 2028-01-06 | — | Active |
| N4MIP | 10 | 49 | 1998-10-11 | 2000-10-12 | Available |
| N4MIQ | 10 | 51 | — | — | Available |
| N4MIR | 11 | 45 | 2028-03-19 | — | Active |
| N4MIS | 11 | 43 | 2024-05-03 | 2026-05-04 | Available |
| N4MIT | 10 | 41 | 2031-05-11 | — | Active (Vanity) |
| N4MIU | 11 | 45 | 2016-09-27 | 2018-09-28 | Available |
| N4MIV | 10 | 47 | 2028-08-29 | — | Active (Vanity) |
| N4MIW | 10 | 47 | — | — | Available |
| N4MIX | 10 | 49 | 2027-10-01 | — | Active |
| N4MIY | 10 | 51 | 2010-04-05 | 2012-04-06 | Available |
| N4MIZ | 10 | 49 | 2014-10-06 | 2016-10-07 | Available |
| N4MJA | 10 | 53 | — | — | Available |
| N4MJB | 10 | 57 | 2033-07-04 | — | Active (Vanity) |
| N4MJC | 10 | 59 | 2031-03-15 | — | Active (Vanity) |
| N4MJD | 10 | 55 | 2034-09-23 | — | Active (Vanity) |
| N4MJE | 10 | 49 | — | — | Available |
| N4MJF | 10 | 57 | 2028-05-05 | — | Active (Vanity) |
| N4MJG | 9 | 57 | 2029-08-21 | — | Active (Vanity) |
| N4MJH | 10 | 55 | 2027-02-14 | — | Active (Vanity) |
| N4MJI | 11 | 51 | — | — | Available |
| N4MJJ | 11 | 61 | 2029-03-11 | — | Active |
| N4MJK | 10 | 57 | 2027-11-20 | — | Active (Vanity) |
| N4MJL | 10 | 57 | 2031-04-24 | — | Active (Vanity) |
| N4MJM | 9 | 55 | 2029-11-27 | — | Active (Vanity) |
| N4MJN | 11 | 53 | 2027-05-02 | — | Active |
| N4MJO | 10 | 59 | 2035-01-24 | — | Active |
| N4MJP | 10 | 59 | 2020-03-30 | 2022-03-31 | Available |
| N4MJQ | 10 | 61 | — | — | Available |
| N4MJR | 11 | 55 | 2031-04-13 | — | Active (Vanity) |
| N4MJS | 11 | 53 | 2027-04-04 | — | Active (Vanity) |
| N4MJT | 10 | 51 | 2025-03-27 | — | Active |
| N4MJU | 11 | 55 | 2005-04-26 | 2007-04-27 | Available |
| N4MJV | 10 | 57 | 2024-12-30 | — | Active (Vanity) |
| N4MJW | 10 | 57 | 2032-12-06 | — | Active (Vanity) |
| N4MJX | 10 | 59 | — | — | Available |
| N4MJY | 10 | 61 | — | — | Available |
| N4MJZ | 10 | 59 | 2005-06-28 | 2007-06-29 | Available |
| N4MKA | 9 | 49 | 2033-05-14 | — | Active (Vanity) |
| N4MKB | 9 | 53 | 2025-11-08 | — | Active |
| N4MKC | 9 | 55 | 2002-11-05 | 2004-11-06 | Available |
| N4MKD | 9 | 51 | 2027-04-18 | — | Active |
| N4MKE | 9 | 45 | 2033-03-05 | — | Active (Vanity) |
| N4MKF | 9 | 53 | 2031-06-01 | — | Active |
| N4MKG | 8 | 53 | 2033-04-20 | — | Active |
| N4MKH | 9 | 51 | 2013-01-05 | 2015-01-06 | Available |
| N4MKI | 10 | 47 | 2031-12-03 | — | Active |
| N4MKJ | 10 | 57 | 2035-04-27 | — | Active |
| N4MKK | 9 | 53 | 2028-04-27 | — | Active (Vanity) |
| N4MKL | 9 | 53 | 2001-07-10 | 2003-07-11 | Available |
| N4MKM | 8 | 51 | 2032-02-15 | — | Active (Vanity) |
| N4MKN | 10 | 49 | 2015-08-01 | 2017-08-02 | Available |
| N4MKO | 9 | 55 | 2032-02-23 | — | Active (Vanity) |
| N4MKP | 9 | 55 | — | — | Available |
| N4MKQ | 9 | 57 | — | — | Available |
| N4MKR | 10 | 51 | 2036-04-28 | — | Active |
| N4MKS | 10 | 49 | 2034-03-04 | — | Active (Vanity) |
| N4MKT | 9 | 47 | 2034-05-31 | — | Active |
| N4MKU | 10 | 51 | 2010-04-03 | 2012-04-04 | Available |
| N4MKV | 9 | 53 | — | — | Available |
| N4MKW | 9 | 53 | 2025-02-21 | — | Active |
| N4MKX | 9 | 55 | 2022-07-21 | 2024-07-22 | Available |
| N4MKY | 9 | 57 | 2034-05-14 | — | Active (Vanity) |
| N4MKZ | 9 | 55 | 2033-11-30 | — | Active |
| N4MLA | 9 | 49 | 2023-01-23 | 2025-01-24 | Available |
| N4MLB | 9 | 53 | 2032-03-29 | — | Active (Vanity) |
| N4MLC | 9 | 55 | 2030-05-18 | — | Active (Vanity) |
| N4MLD | 9 | 51 | 2025-11-08 | — | Active |
| N4MLE | 9 | 45 | 2027-03-12 | — | Active |
| N4MLF | 9 | 53 | 2024-03-19 | 2026-03-20 | Available |
| N4MLG | 8 | 53 | 2033-01-06 | — | Active (Vanity) |
| N4MLH | 9 | 51 | 2034-12-31 | — | Active |
| N4MLI | 10 | 47 | 2024-08-17 | 2026-08-18 | Available |
| N4MLJ | 10 | 57 | 2025-03-07 | — | Active |
| N4MLK | 9 | 53 | 2005-07-31 | 2007-08-01 | Available |
| N4MLL | 9 | 53 | 2005-07-11 | 2007-07-12 | Available |
| N4MLM | 8 | 51 | 2008-06-24 | 2010-06-25 | Available |
| N4MLN | 10 | 49 | 2035-05-01 | — | Active |
| N4MLO | 9 | 55 | 2006-03-14 | 2008-03-15 | Available |
| N4MLP | 9 | 55 | 2034-04-11 | — | Active |
| N4MLQ | 9 | 57 | — | — | Available |
| N4MLR | 10 | 51 | 2022-04-24 | 2024-04-25 | Available |
| N4MLS | 10 | 49 | 2026-06-18 | — | Active |
| N4MLT | 9 | 47 | 2036-04-29 | — | Active (Vanity) |
| N4MLU | 10 | 51 | — | — | Available |
| N4MLV | 9 | 53 | — | — | Available |
| N4MLW | 9 | 53 | 2035-09-09 | — | Active (Vanity) |
| N4MLX | 9 | 55 | 2035-12-24 | — | Active (Vanity) |
| N4MLY | 9 | 57 | 2003-05-17 | 2005-05-18 | Available |
| N4MLZ | 9 | 55 | 2027-08-01 | — | Active |
| N4MMA | 8 | 47 | 2032-12-06 | — | Active (Vanity) |
| N4MMB | 8 | 51 | 2015-12-13 | 2017-12-14 | Available |
| N4MMC | 8 | 53 | 2029-02-20 | — | Active (Vanity) |
| N4MMD | 8 | 49 | 2031-02-18 | — | Active |
| N4MME | 8 | 43 | 2023-06-15 | 2025-06-16 | Available |