District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4UFN | 11 | 53 | — | — | Available |
| W4UFO | 10 | 59 | 2027-10-15 | — | Active (Vanity) |
| W4UFP | 10 | 59 | 2029-05-18 | — | Active |
| W4UFQ | 10 | 61 | 2005-03-03 | 2007-03-04 | Available |
| W4UFR | 11 | 55 | 2003-02-23 | 2005-02-24 | Available |
| W4UFS | 11 | 53 | 2021-05-21 | 2023-05-22 | Available |
| W4UFT | 10 | 51 | 2024-10-19 | 2026-10-20 | Available |
| W4UFU | 11 | 55 | — | — | Available |
| W4UFV | 10 | 57 | — | — | Available |
| W4UFW | 10 | 57 | — | — | Available |
| W4UFX | 10 | 59 | — | — | Available |
| W4UFY | 10 | 61 | 2024-07-14 | 2026-07-15 | Available |
| W4UFZ | 10 | 59 | — | — | Available |
| W4UGA | 9 | 53 | 2029-10-01 | — | Active (Vanity) |
| W4UGB | 9 | 57 | — | — | Available |
| W4UGC | 9 | 59 | 2036-04-07 | — | Active (Vanity) |
| W4UGD | 9 | 55 | 1999-07-29 | 2001-07-30 | Available |
| W4UGE | 9 | 49 | — | — | Available |
| W4UGF | 9 | 57 | — | — | Available |
| W4UGG | 8 | 57 | — | — | Available |
| W4UGH | 9 | 55 | 2031-03-12 | — | Active (Vanity) |
| W4UGI | 10 | 51 | — | — | Available |
| W4UGJ | 10 | 61 | — | — | Available |
| W4UGK | 9 | 57 | 2017-02-20 | 2019-02-21 | Available |
| W4UGL | 9 | 57 | 2026-06-24 | — | Active (Vanity) |
| W4UGM | 8 | 55 | 2035-01-28 | — | Active (Vanity) |
| W4UGN | 10 | 53 | — | — | Available |
| W4UGO | 9 | 59 | 2031-01-29 | — | Active (Vanity) |
| W4UGP | 9 | 59 | — | — | Available |
| W4UGQ | 9 | 61 | 2031-10-30 | — | Active (Vanity) |
| W4UGR | 10 | 55 | — | — | Available |
| W4UGS | 10 | 53 | 2036-09-09 | — | Active (Vanity) |
| W4UGT | 9 | 51 | — | — | Available |
| W4UGU | 10 | 55 | — | — | Available |
| W4UGV | 9 | 57 | 2026-12-30 | — | Active |
| W4UGW | 9 | 57 | — | — | Available |
| W4UGX | 9 | 59 | 2002-09-01 | 2004-09-02 | Available |
| W4UGY | 9 | 61 | 2028-03-20 | — | Active (Vanity) |
| W4UGZ | 9 | 59 | — | — | Available |
| W4UHA | 10 | 51 | — | — | Available |
| W4UHB | 10 | 55 | 2011-02-23 | 2013-02-24 | Available |
| W4UHC | 10 | 57 | — | — | Available |
| W4UHD | 10 | 53 | — | — | Available |
| W4UHE | 10 | 47 | 2020-10-31 | 2022-11-01 | Available |
| W4UHF | 10 | 55 | 2027-06-11 | — | Active (Vanity) |
| W4UHG | 9 | 55 | 2028-09-22 | — | Active |
| W4UHH | 10 | 53 | — | — | Available |
| W4UHI | 11 | 49 | — | — | Available |
| W4UHJ | 11 | 59 | — | — | Available |
| W4UHK | 10 | 55 | — | — | Available |
| W4UHL | 10 | 55 | 2030-12-21 | — | Active (Vanity) |
| W4UHM | 9 | 53 | — | — | Available |
| W4UHN | 11 | 51 | — | — | Available |
| W4UHO | 10 | 57 | — | — | Available |
| W4UHP | 10 | 57 | 2006-11-18 | 2008-11-19 | Available |
| W4UHQ | 10 | 59 | — | — | Available |
| W4UHR | 11 | 53 | 2023-01-12 | 2025-01-13 | Available |
| W4UHS | 11 | 51 | 2036-01-19 | — | Active (Vanity) |
| W4UHT | 10 | 49 | — | — | Available |
| W4UHU | 11 | 53 | — | — | Available |
| W4UHV | 10 | 55 | — | — | Available |
| W4UHW | 10 | 55 | 2005-12-15 | 2007-12-16 | Available |
| W4UHX | 10 | 57 | — | — | Available |
| W4UHY | 10 | 59 | 2008-12-30 | 2010-12-31 | Available |
| W4UHZ | 10 | 57 | — | — | Available |
| W4UIA | 11 | 47 | — | — | Available |
| W4UIB | 11 | 51 | — | — | Available |
| W4UIC | 11 | 53 | — | — | Available |
| W4UID | 11 | 49 | 2004-11-15 | 2006-11-16 | Available |
| W4UIE | 11 | 43 | 2032-03-15 | — | Active (Vanity) |
| W4UIF | 11 | 51 | — | — | Available |
| W4UIG | 10 | 51 | — | — | Available |
| W4UIH | 11 | 49 | — | — | Available |
| W4UII | 12 | 45 | 2033-08-02 | — | Active (Vanity) |
| W4UIJ | 12 | 55 | 2023-04-06 | 2025-04-07 | Available |
| W4UIK | 11 | 51 | 2006-02-28 | 2008-02-29 | Available |
| W4UIL | 11 | 51 | 2006-10-18 | 2008-10-19 | Available |
| W4UIM | 10 | 49 | 2006-01-24 | 2008-01-25 | Available |
| W4UIN | 12 | 47 | — | — | Available |
| W4UIO | 11 | 53 | 2001-01-29 | 2003-01-30 | Available |
| W4UIP | 11 | 53 | — | — | Available |
| W4UIQ | 11 | 55 | 2006-06-27 | 2008-06-28 | Available |
| W4UIR | 12 | 49 | 1998-03-01 | 2000-03-02 | Available |
| W4UIS | 12 | 47 | 2006-06-19 | 2008-06-20 | Available |
| W4UIT | 11 | 45 | 2027-05-19 | — | Active |
| W4UIU | 12 | 49 | — | — | Available |
| W4UIV | 11 | 51 | 2017-02-12 | 2019-02-13 | Available |
| W4UIW | 11 | 51 | 2007-06-09 | 2009-06-10 | Available |
| W4UIX | 11 | 53 | — | — | Available |
| W4UIY | 11 | 55 | — | — | Available |
| W4UIZ | 11 | 53 | 2004-11-21 | 2006-11-22 | Available |
| W4UJA | 11 | 57 | — | — | Available |
| W4UJB | 11 | 61 | — | — | Available |
| W4UJC | 11 | 63 | — | — | Available |
| W4UJD | 11 | 59 | 2008-06-25 | 2010-06-26 | Available |
| W4UJE | 11 | 53 | — | — | Available |
| W4UJF | 11 | 61 | — | — | Available |
| W4UJG | 10 | 61 | — | — | Available |
| W4UJH | 11 | 59 | — | — | Available |
| W4UJI | 12 | 55 | — | — | Available |