District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4ZMW | 9 | 55 | 2036-10-20 | — | Active (Vanity) |
| N4ZMX | 9 | 57 | 2000-06-12 | 2002-06-13 | Available |
| N4ZMY | 9 | 59 | 2011-05-15 | 2013-05-16 | Available |
| N4ZMZ | 9 | 57 | 2030-06-12 | — | Active |
| N4ZNA | 11 | 49 | 2031-04-09 | — | Active |
| N4ZNB | 11 | 53 | 2021-08-31 | 2023-09-01 | Available |
| N4ZNC | 11 | 55 | 2020-06-12 | 2022-06-13 | Available |
| N4ZND | 11 | 51 | 2000-06-19 | 2002-06-20 | Available |
| N4ZNE | 11 | 45 | 2020-07-29 | 2022-07-30 | Available |
| N4ZNF | 11 | 53 | 2000-06-19 | 2002-06-20 | Available |
| N4ZNG | 10 | 53 | — | — | Available |
| N4ZNH | 11 | 51 | 2030-08-14 | — | Active |
| N4ZNI | 12 | 47 | 2020-06-19 | 2022-06-20 | Available |
| N4ZNJ | 12 | 57 | 2012-02-18 | 2014-02-19 | Available |
| N4ZNK | 11 | 53 | 2020-06-19 | 2022-06-20 | Available |
| N4ZNL | 11 | 53 | 2000-06-19 | 2002-06-20 | Available |
| N4ZNM | 10 | 51 | — | — | Available |
| N4ZNN | 12 | 49 | 2030-06-26 | — | Active |
| N4ZNO | 11 | 55 | 2001-07-03 | 2003-07-04 | Available |
| N4ZNP | 11 | 55 | 2000-06-26 | 2002-06-27 | Available |
| N4ZNQ | 11 | 57 | 2011-10-29 | 2013-10-30 | Available |
| N4ZNR | 12 | 51 | 2000-06-26 | 2002-06-27 | Available |
| N4ZNS | 12 | 49 | 2011-05-08 | 2013-05-09 | Available |
| N4ZNT | 11 | 47 | 2008-10-10 | 2010-10-11 | Available |
| N4ZNU | 12 | 51 | 2012-05-22 | 2014-05-23 | Available |
| N4ZNV | 11 | 53 | 2015-09-29 | 2017-09-30 | Available |
| N4ZNW | 11 | 53 | — | — | Available |
| N4ZNX | 11 | 55 | — | — | Available |
| N4ZNY | 11 | 57 | 2020-12-24 | 2022-12-25 | Available |
| N4ZNZ | 11 | 55 | — | — | Available |
| N4ZOA | 10 | 55 | 2033-03-04 | — | Active (Vanity) |
| N4ZOB | 10 | 59 | 2010-10-23 | 2012-10-24 | Available |
| N4ZOC | 10 | 61 | 2011-07-07 | 2013-07-08 | Available |
| N4ZOD | 10 | 57 | 2030-06-26 | — | Active |
| N4ZOE | 10 | 51 | 2032-10-12 | — | Active |
| N4ZOF | 10 | 59 | 2033-02-23 | — | Active |
| N4ZOG | 9 | 59 | 2012-07-28 | 2014-07-29 | Available |
| N4ZOH | 10 | 57 | 2003-12-21 | 2005-12-22 | Available |
| N4ZOI | 11 | 53 | 2030-06-26 | — | Active |
| N4ZOJ | 11 | 63 | — | — | Available |
| N4ZOK | 10 | 59 | 2010-06-26 | 2012-06-27 | Available |
| N4ZOL | 10 | 59 | 2033-12-27 | — | Active (Vanity) |
| N4ZOM | 9 | 57 | 2010-06-26 | 2012-06-27 | Available |
| N4ZON | 11 | 55 | 2030-06-26 | — | Active |
| N4ZOO | 10 | 61 | 2034-03-05 | — | Active (Vanity) |
| N4ZOP | 10 | 61 | 2030-07-09 | — | Active |
| N4ZOQ | 10 | 63 | 2033-03-09 | — | Active |
| N4ZOR | 11 | 57 | 2020-06-26 | 2022-06-27 | Available |
| N4ZOS | 11 | 55 | 2000-06-26 | 2002-06-27 | Available |
| N4ZOT | 10 | 53 | 2012-12-15 | 2014-12-16 | Available |
| N4ZOU | 11 | 57 | 2022-03-31 | 2024-04-01 | Available |
| N4ZOV | 10 | 59 | 2020-06-26 | 2022-06-27 | Available |
| N4ZOW | 10 | 59 | 2020-06-26 | 2022-06-27 | Available |
| N4ZOX | 10 | 61 | 2031-04-30 | — | Active (Vanity) |
| N4ZOY | 10 | 63 | 2010-06-26 | 2012-06-27 | Available |
| N4ZOZ | 10 | 61 | 2030-06-26 | — | Active |
| N4ZPA | 10 | 55 | 2022-02-28 | 2024-02-29 | Available |
| N4ZPB | 10 | 59 | 2032-03-17 | — | Active |
| N4ZPC | 10 | 61 | — | — | Available |
| N4ZPD | 10 | 57 | 2031-07-30 | — | Active |
| N4ZPE | 10 | 51 | 2000-06-26 | 2002-06-27 | Available |
| N4ZPF | 10 | 59 | 2010-06-26 | 2012-06-27 | Available |
| N4ZPG | 9 | 59 | 2030-06-26 | — | Active |
| N4ZPH | 10 | 57 | 2025-12-16 | 2027-12-17 | Canceled (grace period) |
| N4ZPI | 11 | 53 | — | — | Available |
| N4ZPJ | 11 | 63 | — | — | Available |
| N4ZPK | 10 | 59 | 2028-03-20 | — | Active (Vanity) |
| N4ZPL | 10 | 59 | 2031-03-30 | — | Active |
| N4ZPM | 9 | 57 | — | — | Available |
| N4ZPN | 11 | 55 | 2001-09-28 | 2003-09-29 | Available |
| N4ZPO | 10 | 61 | 2022-02-11 | 2024-02-12 | Available |
| N4ZPP | 10 | 61 | 2010-07-03 | 2012-07-04 | Available |
| N4ZPQ | 10 | 63 | 2030-09-04 | — | Active |
| N4ZPR | 11 | 57 | 2010-07-03 | 2012-07-04 | Available |
| N4ZPS | 11 | 55 | 2030-07-03 | — | Active |
| N4ZPT | 10 | 53 | 2013-01-08 | 2015-01-09 | Available |
| N4ZPU | 11 | 57 | — | — | Available |
| N4ZPV | 10 | 59 | 2010-07-03 | 2012-07-04 | Available |
| N4ZPW | 10 | 59 | 2030-07-14 | — | Active |
| N4ZPX | 10 | 61 | 2010-07-03 | 2012-07-04 | Available |
| N4ZPY | 10 | 63 | 2024-11-26 | 2026-11-27 | Canceled (grace period) |
| N4ZPZ | 10 | 61 | 2027-06-16 | — | Active (Vanity) |
| N4ZQA | 10 | 57 | 2030-07-03 | — | Active |
| N4ZQB | 10 | 61 | 2034-03-12 | — | Active (Vanity) |
| N4ZQC | 10 | 63 | — | — | Available |
| N4ZQD | 10 | 59 | 2010-07-03 | 2012-07-04 | Available |
| N4ZQE | 10 | 53 | 2030-07-29 | — | Active |
| N4ZQF | 10 | 61 | 2030-07-21 | — | Active (Vanity) |
| N4ZQG | 9 | 61 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQH | 10 | 59 | 2012-08-04 | 2014-08-05 | Available |
| N4ZQI | 11 | 55 | 2000-02-01 | 2002-02-02 | Available |
| N4ZQJ | 11 | 65 | 2012-06-30 | 2014-07-01 | Available |
| N4ZQK | 10 | 61 | 2008-06-11 | 2010-06-12 | Available |
| N4ZQL | 10 | 61 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQM | 9 | 59 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQN | 11 | 57 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQO | 10 | 63 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQP | 10 | 63 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQQ | 10 | 65 | 2020-07-03 | 2022-07-04 | Available |
| N4ZQR | 11 | 59 | 2020-07-03 | 2022-07-04 | Available |