District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KD4TS | 10 | 47 | 2034-11-19 | — | Active (Vanity) |
| KD4TT | 9 | 45 | 2034-09-03 | — | Active |
| KD4TU | 10 | 49 | 2036-08-13 | — | Active |
| KD4TV | 9 | 51 | 2004-08-15 | 2006-08-16 | Available |
| KD4TW | 9 | 51 | 2034-01-30 | — | Active (Vanity) |
| KD4TX | 9 | 53 | 2024-04-12 | 2026-04-13 | Available |
| KD4TY | 9 | 55 | 2006-04-22 | 2008-04-23 | Available |
| KD4TZ | 9 | 53 | — | — | Available |
| KD4UA | 10 | 51 | — | — | Available |
| KD4UB | 10 | 55 | — | — | Available |
| KD4UC | 10 | 57 | 2016-04-04 | 2018-04-05 | Available |
| KD4UD | 10 | 53 | — | — | Available |
| KD4UE | 10 | 47 | — | — | Available |
| KD4UF | 10 | 55 | 2015-08-04 | 2017-08-05 | Available |
| KD4UG | 9 | 55 | — | — | Available |
| KD4UH | 10 | 53 | — | — | Available |
| KD4UI | 11 | 49 | — | — | Available |
| KD4UJ | 11 | 59 | — | — | Available |
| KD4UK | 10 | 55 | 2017-11-24 | 2019-11-25 | Available |
| KD4UL | 10 | 55 | 2012-12-22 | 2014-12-23 | Available |
| KD4UM | 9 | 53 | 2035-05-13 | — | Active |
| KD4UN | 11 | 51 | — | — | Available |
| KD4UO | 10 | 57 | 2027-05-29 | — | Active |
| KD4UP | 10 | 57 | 2026-01-11 | — | Active |
| KD4UQ | 10 | 59 | — | — | Available |
| KD4UR | 11 | 53 | 2021-10-25 | 2023-10-26 | Available |
| KD4US | 11 | 51 | 2025-08-04 | — | Active (Vanity) |
| KD4UT | 10 | 49 | 2028-04-20 | — | Active |
| KD4UU | 11 | 53 | 2030-04-03 | — | Active |
| KD4UV | 10 | 55 | — | — | Available |
| KD4UW | 10 | 55 | 2002-09-10 | 2004-09-11 | Available |
| KD4UX | 10 | 57 | 2000-07-24 | 2002-07-25 | Available |
| KD4UY | 10 | 59 | 2016-06-17 | 2018-06-18 | Available |
| KD4UZ | 10 | 57 | 2017-08-31 | 2019-09-01 | Available |
| KD4VA | 9 | 53 | 2035-09-29 | — | Active (Vanity) |
| KD4VB | 9 | 57 | 2006-02-27 | 2008-02-28 | Available |
| KD4VC | 9 | 59 | 1999-10-28 | 2001-10-29 | Available |
| KD4VD | 9 | 55 | — | — | Available |
| KD4VE | 9 | 49 | 2037-01-23 | — | Active |
| KD4VF | 9 | 57 | 2028-05-04 | — | Active |
| KD4VG | 8 | 57 | 2006-05-15 | 2008-05-16 | Available |
| KD4VH | 9 | 55 | 2034-10-31 | — | Active |
| KD4VI | 10 | 51 | — | — | Available |
| KD4VJ | 10 | 61 | — | — | Available |
| KD4VK | 9 | 57 | — | — | Available |
| KD4VL | 9 | 57 | 2032-03-10 | — | Active |
| KD4VM | 8 | 55 | 2001-09-03 | 2003-09-04 | Available |
| KD4VN | 10 | 53 | 2008-05-20 | 2010-05-21 | Available |
| KD4VO | 9 | 59 | 2036-01-30 | — | Active |
| KD4VP | 9 | 59 | 2016-07-24 | 2018-07-25 | Available |
| KD4VQ | 9 | 61 | — | — | Available |
| KD4VR | 10 | 55 | 2026-05-09 | — | Active |
| KD4VS | 10 | 53 | 2036-07-30 | — | Active |
| KD4VT | 9 | 51 | 2025-04-01 | 2027-04-02 | Canceled (grace period) |
| KD4VU | 10 | 55 | 2031-03-16 | — | Active |
| KD4VV | 9 | 57 | 2027-03-13 | — | Active |
| KD4VW | 9 | 57 | 2032-04-07 | — | Active |
| KD4VX | 9 | 59 | 2028-01-15 | — | Active |
| KD4VY | 9 | 61 | — | — | Available |
| KD4VZ | 9 | 59 | 2008-04-16 | 2010-04-17 | Available |
| KD4WA | 9 | 53 | — | — | Available |
| KD4WB | 9 | 57 | 2016-06-20 | 2018-06-21 | Available |
| KD4WC | 9 | 59 | 2025-03-19 | — | Active |
| KD4WD | 9 | 55 | 2028-04-10 | — | Active (Vanity) |
| KD4WE | 9 | 49 | 2019-06-29 | 2021-06-30 | Available |
| KD4WF | 9 | 57 | 2028-01-13 | — | Active |
| KD4WG | 8 | 57 | 2031-10-30 | — | Active (Vanity) |
| KD4WH | 9 | 55 | — | — | Available |
| KD4WI | 10 | 51 | — | — | Available |
| KD4WJ | 10 | 61 | 2009-02-04 | 2011-02-05 | Available |
| KD4WK | 9 | 57 | 2026-04-26 | — | Active |
| KD4WL | 9 | 57 | 2008-01-13 | 2010-01-14 | Available |
| KD4WM | 8 | 55 | 2016-02-28 | 2018-03-01 | Available |
| KD4WN | 10 | 53 | 2030-12-19 | — | Active (Vanity) |
| KD4WO | 9 | 59 | — | — | Available |
| KD4WP | 9 | 59 | 2015-08-30 | 2017-08-31 | Available |
| KD4WQ | 9 | 61 | — | — | Available |
| KD4WR | 10 | 55 | — | — | Available |
| KD4WS | 10 | 53 | 1997-10-16 | 1999-10-17 | Available |
| KD4WT | 9 | 51 | 2034-02-10 | — | Active (Vanity) |
| KD4WU | 10 | 55 | — | — | Available |
| KD4WV | 9 | 57 | 2000-03-27 | 2002-03-28 | Available |
| KD4WW | 9 | 57 | — | — | Available |
| KD4WX | 9 | 59 | 2030-10-01 | — | Active (Vanity) |
| KD4WY | 9 | 61 | — | — | Available |
| KD4WZ | 9 | 59 | 2003-08-12 | 2005-08-13 | Available |
| KD4XA | 9 | 55 | 2025-11-28 | — | Active |
| KD4XB | 9 | 59 | — | — | Available |
| KD4XC | 9 | 61 | 2007-07-09 | 2009-07-10 | Available |
| KD4XD | 9 | 57 | — | — | Available |
| KD4XE | 9 | 51 | — | — | Available |
| KD4XF | 9 | 59 | — | — | Available |
| KD4XG | 8 | 59 | 2030-06-03 | — | Active |
| KD4XH | 9 | 57 | — | — | Available |
| KD4XI | 10 | 53 | — | — | Available |
| KD4XJ | 10 | 63 | 2012-04-17 | 2014-04-18 | Available |
| KD4XK | 9 | 59 | — | — | Available |
| KD4XL | 9 | 59 | 2022-03-31 | 2024-04-01 | Available |
| KD4XM | 8 | 57 | 2032-03-15 | — | Active |
| KD4XN | 10 | 55 | 2027-06-25 | — | Active |