District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4THI | 11 | 41 | 2001-08-06 | 2003-08-07 | Available |
| N4THJ | 11 | 51 | — | — | Available |
| N4THK | 10 | 47 | 2018-04-01 | 2020-04-02 | Available |
| N4THL | 10 | 47 | 2010-09-29 | 2012-09-30 | Available |
| N4THM | 9 | 45 | 2032-11-30 | — | Active (Vanity) |
| N4THN | 11 | 43 | 2030-08-28 | — | Active |
| N4THO | 10 | 49 | — | — | Available |
| N4THP | 10 | 49 | 2008-06-25 | 2010-06-26 | Available |
| N4THQ | 10 | 51 | — | — | Available |
| N4THR | 11 | 45 | 2002-04-16 | 2004-04-17 | Available |
| N4THS | 11 | 43 | 2031-11-05 | — | Active (Vanity) |
| N4THT | 10 | 41 | 2034-04-04 | — | Active |
| N4THU | 11 | 45 | 1999-02-10 | 2001-02-11 | Available |
| N4THV | 10 | 47 | 2000-02-06 | 2002-02-07 | Available |
| N4THW | 10 | 47 | 2028-09-03 | — | Active |
| N4THX | 10 | 49 | 2028-09-03 | — | Active |
| N4THY | 10 | 51 | 2005-03-22 | 2007-03-23 | Available |
| N4THZ | 10 | 49 | 2008-05-07 | 2010-05-08 | Available |
| N4TIA | 11 | 39 | 2020-01-28 | 2022-01-29 | Available |
| N4TIB | 11 | 43 | 2008-07-15 | 2010-07-16 | Available |
| N4TIC | 11 | 45 | 2027-09-22 | — | Active |
| N4TID | 11 | 41 | 2034-12-06 | — | Active (Vanity) |
| N4TIE | 11 | 35 | 2034-11-13 | — | Active (Vanity) |
| N4TIF | 11 | 43 | 2018-04-20 | 2020-04-21 | Available |
| N4TIG | 10 | 43 | 2028-03-16 | — | Active |
| N4TIH | 11 | 41 | 1998-07-12 | 2000-07-13 | Available |
| N4TII | 12 | 37 | 2034-05-31 | — | Active |
| N4TIJ | 12 | 47 | — | — | Available |
| N4TIK | 11 | 43 | 2032-01-28 | — | Active |
| N4TIL | 11 | 43 | 1998-07-12 | 2000-07-13 | Available |
| N4TIM | 10 | 41 | 2032-09-16 | — | Active (Vanity) |
| N4TIN | 12 | 39 | 2028-06-08 | — | Active |
| N4TIO | 11 | 45 | 2016-10-14 | 2018-10-15 | Available |
| N4TIP | 11 | 45 | 2027-12-14 | — | Active (Vanity) |
| N4TIQ | 11 | 47 | 2021-04-24 | 2023-04-25 | Available |
| N4TIR | 12 | 41 | 2020-12-11 | 2022-12-12 | Available |
| N4TIS | 12 | 39 | 2018-03-23 | 2020-03-24 | Available |
| N4TIT | 11 | 37 | 2033-07-20 | — | Active (Vanity) |
| N4TIU | 12 | 41 | 2033-07-27 | — | Active |
| N4TIV | 11 | 43 | 2029-05-05 | — | Active (Vanity) |
| N4TIW | 11 | 43 | 2031-03-01 | — | Active |
| N4TIX | 11 | 45 | 2012-11-19 | 2014-11-20 | Available |
| N4TIY | 11 | 47 | 2023-05-11 | 2025-05-12 | Available |
| N4TIZ | 11 | 45 | 2033-05-28 | — | Active (Vanity) |
| N4TJA | 11 | 49 | 2019-04-29 | 2021-04-30 | Available |
| N4TJB | 11 | 53 | 2029-12-20 | — | Active (Vanity) |
| N4TJC | 11 | 55 | 2032-04-05 | — | Active (Vanity) |
| N4TJD | 11 | 51 | 2031-12-24 | — | Active (Vanity) |
| N4TJE | 11 | 45 | 2018-11-02 | 2020-11-03 | Available |
| N4TJF | 11 | 53 | 2014-03-29 | 2016-03-30 | Available |
| N4TJG | 10 | 53 | 1998-07-19 | 2000-07-20 | Available |
| N4TJH | 11 | 51 | 2024-09-03 | 2026-09-04 | Available |
| N4TJI | 12 | 47 | 2028-11-18 | — | Active |
| N4TJJ | 12 | 57 | 2014-08-29 | 2016-08-30 | Available |
| N4TJK | 11 | 53 | — | — | Available |
| N4TJL | 11 | 53 | 2031-05-14 | — | Active (Vanity) |
| N4TJM | 10 | 51 | 2032-05-21 | — | Active (Vanity) |
| N4TJN | 12 | 49 | 2031-04-06 | — | Active (Vanity) |
| N4TJO | 11 | 55 | 2028-04-03 | — | Active |
| N4TJP | 11 | 55 | 2008-05-11 | 2010-05-12 | Available |
| N4TJQ | 11 | 57 | 2030-04-24 | — | Active |
| N4TJR | 12 | 51 | 2022-06-30 | 2024-07-01 | Available |
| N4TJS | 12 | 49 | 2028-11-06 | — | Active |
| N4TJT | 11 | 47 | 2029-02-20 | — | Active (Vanity) |
| N4TJU | 12 | 51 | — | — | Available |
| N4TJV | 11 | 53 | 2028-03-05 | — | Active |
| N4TJW | 11 | 53 | 2029-04-01 | — | Active |
| N4TJX | 11 | 55 | 2018-05-01 | 2020-05-02 | Available |
| N4TJY | 11 | 57 | 2009-02-01 | 2011-02-02 | Available |
| N4TJZ | 11 | 55 | 2009-12-15 | 2011-12-16 | Available |
| N4TKA | 10 | 45 | 2028-05-18 | — | Active |
| N4TKB | 10 | 49 | 2035-02-22 | — | Active (Vanity) |
| N4TKC | 10 | 51 | 2027-07-22 | — | Active |
| N4TKD | 10 | 47 | 2034-12-20 | — | Active (Vanity) |
| N4TKE | 10 | 41 | — | — | Available |
| N4TKF | 10 | 49 | 2031-03-05 | — | Active |
| N4TKG | 9 | 49 | 2031-06-02 | — | Active (Vanity) |
| N4TKH | 10 | 47 | 2035-01-14 | — | Active (Vanity) |
| N4TKI | 11 | 43 | 2030-04-21 | — | Active (Vanity) |
| N4TKJ | 11 | 53 | 2008-02-09 | 2010-02-10 | Available |
| N4TKK | 10 | 49 | 2028-10-11 | — | Active |
| N4TKL | 10 | 49 | 2032-02-08 | — | Active |
| N4TKM | 9 | 47 | 2028-06-08 | — | Active |
| N4TKN | 11 | 45 | 2018-08-25 | 2020-08-26 | Available |
| N4TKO | 10 | 51 | 2030-03-10 | — | Active |
| N4TKP | 10 | 51 | 2035-04-18 | — | Active (Vanity) |
| N4TKQ | 10 | 53 | 1998-06-16 | 2000-06-17 | Available |
| N4TKR | 11 | 47 | 2033-02-05 | — | Active (Vanity) |
| N4TKS | 11 | 45 | 2031-07-08 | — | Active (Vanity) |
| N4TKT | 10 | 43 | 2031-10-19 | — | Active (Vanity) |
| N4TKU | 11 | 47 | 2008-08-19 | 2010-08-20 | Available |
| N4TKV | 10 | 49 | 2008-05-26 | 2010-05-27 | Available |
| N4TKW | 10 | 49 | 2028-04-10 | — | Active |
| N4TKX | 10 | 51 | 2028-07-21 | — | Active |
| N4TKY | 10 | 53 | — | — | Available |
| N4TKZ | 10 | 51 | 2002-03-07 | 2004-03-08 | Available |
| N4TLA | 10 | 45 | 2010-07-24 | 2012-07-25 | Available |
| N4TLB | 10 | 49 | 2033-05-09 | — | Active (Vanity) |
| N4TLC | 10 | 51 | 2031-05-18 | — | Active (Vanity) |
| N4TLD | 10 | 47 | 2013-10-19 | 2015-10-20 | Available |