District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4UUX | 11 | 57 | — | — | Available |
| W4UUY | 11 | 59 | — | — | Available |
| W4UUZ | 11 | 57 | — | — | Available |
| W4UVA | 10 | 53 | 2035-01-04 | — | Active |
| W4UVB | 10 | 57 | — | — | Available |
| W4UVC | 10 | 59 | 2026-08-19 | — | Active |
| W4UVD | 10 | 55 | — | — | Available |
| W4UVE | 10 | 49 | — | — | Available |
| W4UVF | 10 | 57 | — | — | Available |
| W4UVG | 9 | 57 | — | — | Available |
| W4UVH | 10 | 55 | 2032-04-09 | — | Active (Vanity) |
| W4UVI | 11 | 51 | 2017-02-13 | 2019-02-14 | Available |
| W4UVJ | 11 | 61 | — | — | Available |
| W4UVK | 10 | 57 | — | — | Available |
| W4UVL | 10 | 57 | — | — | Available |
| W4UVM | 9 | 55 | 2015-03-15 | 2017-03-16 | Available |
| W4UVN | 11 | 53 | — | — | Available |
| W4UVO | 10 | 59 | 2018-07-06 | 2020-07-07 | Available |
| W4UVP | 10 | 59 | 2005-03-21 | 2007-03-22 | Available |
| W4UVQ | 10 | 61 | 2026-06-24 | — | Active (Vanity) |
| W4UVR | 11 | 55 | 2020-08-28 | 2022-08-29 | Available |
| W4UVS | 11 | 53 | 2030-05-12 | — | Active (Vanity) |
| W4UVT | 10 | 51 | 2035-03-24 | — | Active (Vanity) |
| W4UVU | 11 | 55 | 2028-05-20 | — | Active |
| W4UVV | 10 | 57 | 2024-11-21 | — | Active |
| W4UVW | 10 | 57 | — | — | Available |
| W4UVX | 10 | 59 | — | — | Available |
| W4UVY | 10 | 61 | — | — | Available |
| W4UVZ | 10 | 59 | — | — | Available |
| W4UWA | 10 | 53 | 2026-07-12 | — | Active (Vanity) |
| W4UWB | 10 | 57 | 2010-12-27 | 2012-12-28 | Available |
| W4UWC | 10 | 59 | 2035-10-17 | — | Active (Vanity) |
| W4UWD | 10 | 55 | 2025-04-22 | — | Active |
| W4UWE | 10 | 49 | 2034-12-10 | — | Active (Vanity) |
| W4UWF | 10 | 57 | 2032-12-10 | — | Active (Vanity) |
| W4UWG | 9 | 57 | 2022-03-24 | 2024-03-25 | Available |
| W4UWH | 10 | 55 | 2027-10-14 | — | Active |
| W4UWI | 11 | 51 | 2036-05-29 | — | Active (Vanity) |
| W4UWJ | 11 | 61 | — | — | Available |
| W4UWK | 10 | 57 | 2031-07-09 | — | Active (Vanity) |
| W4UWL | 10 | 57 | 2016-01-22 | 2018-01-23 | Available |
| W4UWM | 9 | 55 | 2019-01-20 | 2021-01-21 | Available |
| W4UWN | 11 | 53 | — | — | Available |
| W4UWO | 10 | 59 | 2032-01-05 | — | Active (Vanity) |
| W4UWP | 10 | 59 | — | — | Available |
| W4UWQ | 10 | 61 | — | — | Available |
| W4UWR | 11 | 55 | — | — | Available |
| W4UWS | 11 | 53 | 2029-10-22 | — | Active |
| W4UWT | 10 | 51 | — | — | Available |
| W4UWU | 11 | 55 | 2024-10-05 | 2026-10-06 | Available |
| W4UWV | 10 | 57 | — | — | Available |
| W4UWW | 10 | 57 | — | — | Available |
| W4UWX | 10 | 59 | — | — | Available |
| W4UWY | 10 | 61 | 2026-06-19 | — | Active |
| W4UWZ | 10 | 59 | — | — | Available |
| W4UXA | 10 | 55 | — | — | Available |
| W4UXB | 10 | 59 | 2036-09-01 | — | Active (Vanity) |
| W4UXC | 10 | 61 | — | — | Available |
| W4UXD | 10 | 57 | 2031-09-17 | — | Active |
| W4UXE | 10 | 51 | 2013-12-07 | 2015-12-08 | Available |
| W4UXF | 10 | 59 | — | — | Available |
| W4UXG | 9 | 59 | 2003-05-25 | 2005-05-26 | Available |
| W4UXH | 10 | 57 | — | — | Available |
| W4UXI | 11 | 53 | 2010-02-06 | 2012-02-07 | Available |
| W4UXJ | 11 | 63 | 2036-04-26 | — | Active |
| W4UXK | 10 | 59 | — | — | Available |
| W4UXL | 10 | 59 | — | — | Available |
| W4UXM | 9 | 57 | 2026-05-02 | — | Active |
| W4UXN | 11 | 55 | — | — | Available |
| W4UXO | 10 | 61 | — | — | Available |
| W4UXP | 10 | 61 | 2004-09-06 | 2006-09-07 | Available |
| W4UXQ | 10 | 63 | — | — | Available |
| W4UXR | 11 | 57 | — | — | Available |
| W4UXS | 11 | 55 | 2014-11-21 | 2016-11-22 | Available |
| W4UXT | 10 | 53 | 2036-01-31 | — | Active |
| W4UXU | 11 | 57 | — | — | Available |
| W4UXV | 10 | 59 | — | — | Available |
| W4UXW | 10 | 59 | 2004-10-19 | 2006-10-20 | Available |
| W4UXX | 10 | 61 | 2030-07-07 | — | Active (Vanity) |
| W4UXY | 10 | 63 | — | — | Available |
| W4UXZ | 10 | 61 | — | — | Available |
| W4UYA | 10 | 57 | — | — | Available |
| W4UYB | 10 | 61 | — | — | Available |
| W4UYC | 10 | 63 | 2027-12-27 | — | Active (Vanity) |
| W4UYD | 10 | 59 | — | — | Available |
| W4UYE | 10 | 53 | 2030-11-03 | — | Active (Vanity) |
| W4UYF | 10 | 61 | — | — | Available |
| W4UYG | 9 | 61 | 2004-05-24 | 2006-05-25 | Available |
| W4UYH | 10 | 59 | — | — | Available |
| W4UYI | 11 | 55 | 2004-03-15 | 2006-03-16 | Available |
| W4UYJ | 11 | 65 | 2005-08-21 | 2007-08-22 | Available |
| W4UYK | 10 | 61 | — | — | Available |
| W4UYL | 10 | 61 | — | — | Available |
| W4UYM | 9 | 59 | — | — | Available |
| W4UYN | 11 | 57 | — | — | Available |
| W4UYO | 10 | 63 | — | — | Available |
| W4UYP | 10 | 63 | — | — | Available |
| W4UYQ | 10 | 65 | — | — | Available |
| W4UYR | 11 | 59 | — | — | Available |
| W4UYS | 11 | 57 | — | — | Available |