District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4ZFE | 10 | 49 | 2000-05-29 | 2002-05-30 | Available |
| N4ZFF | 10 | 57 | 2024-03-22 | 2026-03-23 | Available |
| N4ZFG | 9 | 57 | 2030-05-29 | — | Active |
| N4ZFH | 10 | 55 | 2030-05-29 | — | Active |
| N4ZFI | 11 | 51 | 2012-06-09 | 2014-06-10 | Available |
| N4ZFJ | 11 | 61 | 2030-06-27 | — | Active |
| N4ZFK | 10 | 57 | 2032-08-17 | — | Active (Vanity) |
| N4ZFL | 10 | 57 | 2029-06-14 | — | Active |
| N4ZFM | 9 | 55 | 2034-07-06 | — | Active (Vanity) |
| N4ZFN | 11 | 53 | 2030-05-29 | — | Active |
| N4ZFO | 10 | 59 | 2032-05-17 | — | Active |
| N4ZFP | 10 | 59 | — | — | Available |
| N4ZFQ | 10 | 61 | 2030-06-08 | — | Active |
| N4ZFR | 11 | 55 | 2033-06-08 | — | Active |
| N4ZFS | 11 | 53 | 2000-05-29 | 2002-05-30 | Available |
| N4ZFT | 10 | 51 | 2003-09-05 | 2005-09-06 | Available |
| N4ZFU | 11 | 55 | 2003-04-05 | 2005-04-06 | Available |
| N4ZFV | 10 | 57 | 2020-05-29 | 2022-05-30 | Available |
| N4ZFW | 10 | 57 | 2034-02-19 | — | Active (Vanity) |
| N4ZFX | 10 | 59 | 2020-05-29 | 2022-05-30 | Available |
| N4ZFY | 10 | 61 | 2000-05-29 | 2002-05-30 | Available |
| N4ZFZ | 10 | 59 | 2030-05-29 | — | Active |
| N4ZGA | 9 | 53 | — | — | Available |
| N4ZGB | 9 | 57 | 2003-06-29 | 2005-06-30 | Available |
| N4ZGC | 9 | 59 | 2030-06-06 | — | Active |
| N4ZGD | 9 | 55 | 2011-02-26 | 2013-02-27 | Available |
| N4ZGE | 9 | 49 | 2010-05-29 | 2012-05-30 | Available |
| N4ZGF | 9 | 57 | 2029-08-05 | — | Active |
| N4ZGG | 8 | 57 | 2034-01-17 | — | Active (Vanity) |
| N4ZGH | 9 | 55 | 2031-05-14 | — | Active |
| N4ZGI | 10 | 51 | 2030-10-21 | — | Active |
| N4ZGJ | 10 | 61 | 2020-10-09 | 2022-10-10 | Available |
| N4ZGK | 9 | 57 | 2002-05-10 | 2004-05-11 | Available |
| N4ZGL | 9 | 57 | 2027-10-31 | — | Active (Vanity) |
| N4ZGM | 8 | 55 | 2010-05-29 | 2012-05-30 | Available |
| N4ZGN | 10 | 53 | 2010-05-29 | 2012-05-30 | Available |
| N4ZGO | 9 | 59 | 2022-12-04 | 2024-12-05 | Available |
| N4ZGP | 9 | 59 | — | — | Available |
| N4ZGQ | 9 | 61 | 2000-06-05 | 2002-06-06 | Available |
| N4ZGR | 10 | 55 | 2000-06-05 | 2002-06-06 | Available |
| N4ZGS | 10 | 53 | 2000-06-05 | 2002-06-06 | Available |
| N4ZGT | 9 | 51 | 2031-08-26 | — | Active |
| N4ZGU | 10 | 55 | 2010-06-05 | 2012-06-06 | Available |
| N4ZGV | 9 | 57 | 2000-07-17 | 2002-07-18 | Available |
| N4ZGW | 9 | 57 | 2010-06-05 | 2012-06-06 | Available |
| N4ZGX | 9 | 59 | 2007-11-10 | 2009-11-11 | Available |
| N4ZGY | 9 | 61 | — | — | Available |
| N4ZGZ | 9 | 59 | 2021-05-15 | 2023-05-16 | Available |
| N4ZHA | 10 | 51 | 2035-05-23 | — | Active (Vanity) |
| N4ZHB | 10 | 55 | 2003-11-09 | 2005-11-10 | Available |
| N4ZHC | 10 | 57 | 2028-10-17 | — | Active (Vanity) |
| N4ZHD | 10 | 53 | — | — | Available |
| N4ZHE | 10 | 47 | 2000-06-05 | 2002-06-06 | Available |
| N4ZHF | 10 | 55 | 2010-06-05 | 2012-06-06 | Available |
| N4ZHG | 9 | 55 | 2030-06-09 | — | Active |
| N4ZHH | 10 | 53 | 2012-05-22 | 2014-05-23 | Available |
| N4ZHI | 11 | 49 | 2000-06-05 | 2002-06-06 | Available |
| N4ZHJ | 11 | 59 | 2030-06-12 | — | Active |
| N4ZHK | 10 | 55 | 2013-07-27 | 2015-07-28 | Available |
| N4ZHL | 10 | 55 | — | — | Available |
| N4ZHM | 9 | 53 | 2030-06-24 | — | Active |
| N4ZHN | 11 | 51 | 2033-06-11 | — | Active |
| N4ZHO | 10 | 57 | 2019-05-27 | 2021-05-28 | Available |
| N4ZHP | 10 | 57 | 2029-05-20 | — | Active |
| N4ZHQ | 10 | 59 | 2000-06-05 | 2002-06-06 | Available |
| N4ZHR | 11 | 53 | 2000-06-05 | 2002-06-06 | Available |
| N4ZHS | 11 | 51 | — | — | Available |
| N4ZHT | 10 | 49 | 2010-06-05 | 2012-06-06 | Available |
| N4ZHU | 11 | 53 | 2000-06-05 | 2002-06-06 | Available |
| N4ZHV | 10 | 55 | 1999-11-20 | 2001-11-21 | Available |
| N4ZHW | 10 | 55 | 2030-06-05 | — | Active |
| N4ZHX | 10 | 57 | 2004-01-04 | 2006-01-05 | Available |
| N4ZHY | 10 | 59 | 2020-06-28 | 2022-06-29 | Available |
| N4ZHZ | 10 | 57 | 2023-02-25 | 2025-02-26 | Available |
| N4ZIA | 11 | 47 | 2030-06-05 | — | Active |
| N4ZIB | 11 | 51 | 2013-08-10 | 2015-08-11 | Available |
| N4ZIC | 11 | 53 | 2012-03-07 | 2014-03-08 | Available |
| N4ZID | 11 | 49 | 2000-06-05 | 2002-06-06 | Available |
| N4ZIE | 11 | 43 | 2018-08-10 | 2020-08-11 | Available |
| N4ZIF | 11 | 51 | 2034-02-01 | — | Active |
| N4ZIG | 10 | 51 | 2034-03-12 | — | Active (Vanity) |
| N4ZIH | 11 | 49 | — | — | Available |
| N4ZII | 12 | 45 | 2021-07-10 | 2023-07-11 | Available |
| N4ZIJ | 12 | 55 | 2030-06-06 | — | Active |
| N4ZIK | 11 | 51 | — | — | Available |
| N4ZIL | 11 | 51 | 2010-06-05 | 2012-06-06 | Available |
| N4ZIM | 10 | 49 | 2030-06-05 | — | Active |
| N4ZIN | 12 | 47 | 2031-12-24 | — | Active |
| N4ZIO | 11 | 53 | 2000-06-05 | 2002-06-06 | Available |
| N4ZIP | 11 | 53 | 2032-11-04 | — | Active (Vanity) |
| N4ZIQ | 11 | 55 | 2032-05-19 | — | Active |
| N4ZIR | 12 | 49 | 2030-07-06 | — | Active |
| N4ZIS | 12 | 47 | 2030-06-05 | — | Active |
| N4ZIT | 11 | 45 | 2023-06-08 | 2025-06-09 | Available |
| N4ZIU | 12 | 49 | 2000-06-05 | 2002-06-06 | Available |
| N4ZIV | 11 | 51 | 2026-06-10 | — | Active (Vanity) |
| N4ZIW | 11 | 51 | 2030-06-29 | — | Active |
| N4ZIX | 11 | 53 | 2010-06-05 | 2012-06-06 | Available |
| N4ZIY | 11 | 55 | 2030-07-19 | — | Active |
| N4ZIZ | 11 | 53 | 2000-06-05 | 2002-06-06 | Available |