District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4ZEB | 9 | 53 | 2035-05-05 | — | Active (Vanity) |
| K4ZEC | 9 | 55 | 2028-01-06 | — | Active (Vanity) |
| K4ZED | 9 | 51 | 2028-07-08 | — | Active |
| K4ZEE | 9 | 45 | 2030-11-20 | — | Active (Vanity) |
| K4ZEF | 9 | 53 | 2032-04-09 | — | Active (Vanity) |
| K4ZEG | 8 | 53 | — | — | Available |
| K4ZEH | 9 | 51 | — | — | Available |
| K4ZEI | 10 | 47 | — | — | Available |
| K4ZEJ | 10 | 57 | — | — | Available |
| K4ZEK | 9 | 53 | 2028-04-20 | — | Active |
| K4ZEL | 9 | 53 | 2008-11-04 | 2010-11-05 | Available |
| K4ZEM | 8 | 51 | — | — | Available |
| K4ZEN | 10 | 49 | 2036-07-23 | — | Active (Vanity) |
| K4ZEO | 9 | 55 | — | — | Available |
| K4ZEP | 9 | 55 | 2036-12-04 | — | Active (Vanity) |
| K4ZEQ | 9 | 57 | — | — | Available |
| K4ZER | 10 | 51 | — | — | Available |
| K4ZES | 10 | 49 | — | — | Available |
| K4ZET | 9 | 47 | 2020-09-04 | 2022-09-05 | Available |
| K4ZEU | 10 | 51 | — | — | Available |
| K4ZEV | 9 | 53 | 2027-07-25 | — | Active (Vanity) |
| K4ZEW | 9 | 53 | — | — | Available |
| K4ZEX | 9 | 55 | — | — | Available |
| K4ZEY | 9 | 57 | — | — | Available |
| K4ZEZ | 9 | 55 | — | — | Available |
| K4ZFA | 9 | 57 | 2029-06-11 | — | Active |
| K4ZFB | 9 | 61 | — | — | Available |
| K4ZFC | 9 | 63 | — | — | Available |
| K4ZFD | 9 | 59 | 2031-10-02 | — | Active (Vanity) |
| K4ZFE | 9 | 53 | — | — | Available |
| K4ZFF | 9 | 61 | — | — | Available |
| K4ZFG | 8 | 61 | 2016-09-09 | 2018-09-10 | Available |
| K4ZFH | 9 | 59 | — | — | Available |
| K4ZFI | 10 | 55 | — | — | Available |
| K4ZFJ | 10 | 65 | — | — | Available |
| K4ZFK | 9 | 61 | — | — | Available |
| K4ZFL | 9 | 61 | — | — | Available |
| K4ZFM | 8 | 59 | — | — | Available |
| K4ZFN | 10 | 57 | 2031-05-03 | — | Active (Vanity) |
| K4ZFO | 9 | 63 | — | — | Available |
| K4ZFP | 9 | 63 | 2004-09-10 | 2006-09-11 | Available |
| K4ZFQ | 9 | 65 | 2024-03-05 | 2026-03-06 | Available |
| K4ZFR | 10 | 59 | — | — | Available |
| K4ZFS | 10 | 57 | — | — | Available |
| K4ZFT | 9 | 55 | — | — | Available |
| K4ZFU | 10 | 59 | 2014-12-12 | 2016-12-13 | Available |
| K4ZFV | 9 | 61 | 2020-09-19 | 2022-09-20 | Available |
| K4ZFW | 9 | 61 | 2033-06-18 | — | Active (Vanity) |
| K4ZFX | 9 | 63 | 2032-10-13 | — | Active |
| K4ZFY | 9 | 65 | 2031-08-27 | — | Active |
| K4ZFZ | 9 | 63 | 2011-11-18 | 2013-11-19 | Available |
| K4ZGA | 8 | 57 | 2025-02-24 | — | Active |
| K4ZGB | 8 | 61 | 2027-04-29 | — | Active |
| K4ZGC | 8 | 63 | — | — | Available |
| K4ZGD | 8 | 59 | 2034-07-16 | — | Active (Vanity) |
| K4ZGE | 8 | 53 | 2028-01-15 | — | Active |
| K4ZGF | 8 | 61 | — | — | Available |
| K4ZGG | 7 | 61 | — | — | Available |
| K4ZGH | 8 | 59 | 2022-11-20 | 2024-11-21 | Available |
| K4ZGI | 9 | 55 | — | — | Available |
| K4ZGJ | 9 | 65 | — | — | Available |
| K4ZGK | 8 | 61 | — | — | Available |
| K4ZGL | 8 | 61 | — | — | Available |
| K4ZGM | 7 | 59 | — | — | Available |
| K4ZGN | 9 | 57 | 2004-05-24 | 2006-05-25 | Available |
| K4ZGO | 8 | 63 | — | — | Available |
| K4ZGP | 8 | 63 | — | — | Available |
| K4ZGQ | 8 | 65 | — | — | Available |
| K4ZGR | 9 | 59 | — | — | Available |
| K4ZGS | 9 | 57 | — | — | Available |
| K4ZGT | 8 | 55 | — | — | Available |
| K4ZGU | 9 | 59 | — | — | Available |
| K4ZGV | 8 | 61 | 2036-02-12 | — | Active |
| K4ZGW | 8 | 61 | — | — | Available |
| K4ZGX | 8 | 63 | — | — | Available |
| K4ZGY | 8 | 65 | — | — | Available |
| K4ZGZ | 8 | 63 | — | — | Available |
| K4ZHA | 9 | 55 | — | — | Available |
| K4ZHB | 9 | 59 | — | — | Available |
| K4ZHC | 9 | 61 | — | — | Available |
| K4ZHD | 9 | 57 | — | — | Available |
| K4ZHE | 9 | 51 | 2036-01-14 | — | Active |
| K4ZHF | 9 | 59 | — | — | Available |
| K4ZHG | 8 | 59 | — | — | Available |
| K4ZHH | 9 | 57 | — | — | Available |
| K4ZHI | 10 | 53 | — | — | Available |
| K4ZHJ | 10 | 63 | 2017-03-12 | 2019-03-13 | Available |
| K4ZHK | 9 | 59 | 2034-07-14 | — | Active |
| K4ZHL | 9 | 59 | — | — | Available |
| K4ZHM | 8 | 57 | 2031-09-03 | — | Active |
| K4ZHN | 10 | 55 | — | — | Available |
| K4ZHO | 9 | 61 | — | — | Available |
| K4ZHP | 9 | 61 | 2022-06-26 | 2024-06-27 | Available |
| K4ZHQ | 9 | 63 | — | — | Available |
| K4ZHR | 10 | 57 | — | — | Available |
| K4ZHS | 10 | 55 | — | — | Available |
| K4ZHT | 9 | 53 | 1999-08-29 | 2001-08-30 | Available |
| K4ZHU | 10 | 57 | — | — | Available |
| K4ZHV | 9 | 59 | — | — | Available |
| K4ZHW | 9 | 59 | 2031-06-04 | — | Active (Vanity) |