District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4ZRV | 10 | 59 | 2007-09-11 | 2009-09-12 | Available |
| W4ZRW | 10 | 59 | — | — | Available |
| W4ZRX | 10 | 61 | 2025-01-28 | 2027-01-29 | Canceled (grace period) |
| W4ZRY | 10 | 63 | — | — | Available |
| W4ZRZ | 10 | 61 | 2028-01-09 | — | Active |
| W4ZSA | 10 | 53 | — | — | Available |
| W4ZSB | 10 | 57 | 2030-09-01 | — | Active (Vanity) |
| W4ZSC | 10 | 59 | 2036-09-11 | — | Active |
| W4ZSD | 10 | 55 | 2006-11-18 | 2008-11-19 | Available |
| W4ZSE | 10 | 49 | — | — | Available |
| W4ZSF | 10 | 57 | 2018-09-23 | 2020-09-24 | Available |
| W4ZSG | 9 | 57 | — | — | Available |
| W4ZSH | 10 | 55 | — | — | Available |
| W4ZSI | 11 | 51 | 2023-07-27 | 2025-07-28 | Available |
| W4ZSJ | 11 | 61 | 2025-06-08 | — | Active |
| W4ZSK | 10 | 57 | 1999-01-24 | 2001-01-25 | Available |
| W4ZSL | 10 | 57 | — | — | Available |
| W4ZSM | 9 | 55 | 2025-06-18 | — | Active |
| W4ZSN | 11 | 53 | 2030-09-01 | — | Active (Vanity) |
| W4ZSO | 10 | 59 | — | — | Available |
| W4ZSP | 10 | 59 | — | — | Available |
| W4ZSQ | 10 | 61 | 2010-10-14 | 2012-10-15 | Available |
| W4ZSR | 11 | 55 | — | — | Available |
| W4ZSS | 11 | 53 | — | — | Available |
| W4ZST | 10 | 51 | 2036-10-31 | — | Active (Vanity) |
| W4ZSU | 11 | 55 | 2000-10-23 | 2002-10-24 | Available |
| W4ZSV | 10 | 57 | 1998-01-19 | 2000-01-20 | Available |
| W4ZSW | 10 | 57 | — | — | Available |
| W4ZSX | 10 | 59 | 2014-12-02 | 2016-12-03 | Available |
| W4ZSY | 10 | 61 | — | — | Available |
| W4ZSZ | 10 | 59 | 2031-11-23 | — | Active (Vanity) |
| W4ZTA | 9 | 51 | 2032-06-07 | — | Active (Vanity) |
| W4ZTB | 9 | 55 | — | — | Available |
| W4ZTC | 9 | 57 | 2031-04-13 | — | Active (Vanity) |
| W4ZTD | 9 | 53 | — | — | Available |
| W4ZTE | 9 | 47 | — | — | Available |
| W4ZTF | 9 | 55 | 2026-11-15 | — | Active (Vanity) |
| W4ZTG | 8 | 55 | 1998-07-12 | 2000-07-13 | Available |
| W4ZTH | 9 | 53 | 2036-02-06 | — | Active (Vanity) |
| W4ZTI | 10 | 49 | 2034-04-09 | — | Active (Vanity) |
| W4ZTJ | 10 | 59 | 2024-03-08 | 2026-03-09 | Available |
| W4ZTK | 9 | 55 | — | — | Available |
| W4ZTL | 9 | 55 | 2033-03-25 | — | Active (Vanity) |
| W4ZTM | 8 | 53 | — | — | Available |
| W4ZTN | 10 | 51 | — | — | Available |
| W4ZTO | 9 | 57 | 2026-04-08 | — | Active (Vanity) |
| W4ZTP | 9 | 57 | — | — | Available |
| W4ZTQ | 9 | 59 | — | — | Available |
| W4ZTR | 10 | 53 | — | — | Available |
| W4ZTS | 10 | 51 | — | — | Available |
| W4ZTT | 9 | 49 | 2026-06-14 | — | Active (Vanity) |
| W4ZTU | 10 | 53 | — | — | Available |
| W4ZTV | 9 | 55 | 2027-08-14 | — | Active |
| W4ZTW | 9 | 55 | 2008-04-23 | 2010-04-24 | Available |
| W4ZTX | 9 | 57 | 2035-12-30 | — | Active (Vanity) |
| W4ZTY | 9 | 59 | — | — | Available |
| W4ZTZ | 9 | 57 | — | — | Available |
| W4ZUA | 10 | 55 | — | — | Available |
| W4ZUB | 10 | 59 | — | — | Available |
| W4ZUC | 10 | 61 | 2006-06-25 | 2008-06-26 | Available |
| W4ZUD | 10 | 57 | — | — | Available |
| W4ZUE | 10 | 51 | 2034-03-01 | — | Active |
| W4ZUF | 10 | 59 | 2024-03-18 | 2026-03-19 | Available |
| W4ZUG | 9 | 59 | 2029-07-22 | — | Active (Vanity) |
| W4ZUH | 10 | 57 | 2030-05-29 | — | Active (Vanity) |
| W4ZUI | 11 | 53 | — | — | Available |
| W4ZUJ | 11 | 63 | 2031-08-31 | — | Active (Vanity) |
| W4ZUK | 10 | 59 | 2029-12-22 | — | Active (Vanity) |
| W4ZUL | 10 | 59 | 2015-03-24 | 2017-03-25 | Available |
| W4ZUM | 9 | 57 | 2010-09-19 | 2012-09-20 | Available |
| W4ZUN | 11 | 55 | — | — | Available |
| W4ZUO | 10 | 61 | 2027-04-15 | — | Active |
| W4ZUP | 10 | 61 | 2030-03-17 | — | Active (Vanity) |
| W4ZUQ | 10 | 63 | — | — | Available |
| W4ZUR | 11 | 57 | — | — | Available |
| W4ZUS | 11 | 55 | 2034-05-31 | — | Active (Vanity) |
| W4ZUT | 10 | 53 | 1998-03-22 | 2000-03-23 | Available |
| W4ZUU | 11 | 57 | — | — | Available |
| W4ZUV | 10 | 59 | 2006-07-17 | 2008-07-18 | Available |
| W4ZUW | 10 | 59 | — | — | Available |
| W4ZUX | 10 | 61 | — | — | Available |
| W4ZUY | 10 | 63 | — | — | Available |
| W4ZUZ | 10 | 61 | — | — | Available |
| W4ZVA | 9 | 57 | — | — | Available |
| W4ZVB | 9 | 61 | 1999-09-05 | 2001-09-06 | Available |
| W4ZVC | 9 | 63 | — | — | Available |
| W4ZVD | 9 | 59 | — | — | Available |
| W4ZVE | 9 | 53 | — | — | Available |
| W4ZVF | 9 | 61 | — | — | Available |
| W4ZVG | 8 | 61 | — | — | Available |
| W4ZVH | 9 | 59 | — | — | Available |
| W4ZVI | 10 | 55 | — | — | Available |
| W4ZVJ | 10 | 65 | — | — | Available |
| W4ZVK | 9 | 61 | 2014-09-09 | 2016-09-10 | Available |
| W4ZVL | 9 | 61 | 2018-03-12 | 2020-03-13 | Available |
| W4ZVM | 8 | 59 | — | — | Available |
| W4ZVN | 10 | 57 | — | — | Available |
| W4ZVO | 9 | 63 | 2008-06-05 | 2010-06-06 | Available |
| W4ZVP | 9 | 63 | — | — | Available |
| W4ZVQ | 9 | 65 | — | — | Available |