District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4VS | 10 | 55 | 2014-10-18 | 2016-10-19 | Available |
| KB4VT | 9 | 53 | 2016-09-27 | 2018-09-28 | Available |
| KB4VU | 10 | 57 | 2034-07-27 | — | Active |
| KB4VV | 9 | 59 | 2032-11-18 | — | Active (Vanity) |
| KB4VW | 9 | 59 | 2011-05-03 | 2013-05-04 | Available |
| KB4VX | 9 | 61 | — | — | Available |
| KB4VY | 9 | 63 | 2014-10-18 | 2016-10-19 | Available |
| KB4VZ | 9 | 61 | 2015-07-08 | 2017-07-09 | Available |
| KB4WA | 9 | 55 | 2034-09-09 | — | Active |
| KB4WB | 9 | 59 | — | — | Available |
| KB4WC | 9 | 61 | 2028-11-30 | — | Active |
| KB4WD | 9 | 57 | 2034-07-14 | — | Active |
| KB4WE | 9 | 51 | 2024-07-21 | 2026-07-22 | Available |
| KB4WF | 9 | 59 | — | — | Available |
| KB4WG | 8 | 59 | 2032-06-02 | — | Active |
| KB4WH | 9 | 57 | 2025-03-05 | — | Active |
| KB4WI | 10 | 53 | — | — | Available |
| KB4WJ | 10 | 63 | 2024-07-14 | 2026-07-15 | Available |
| KB4WK | 9 | 59 | — | — | Available |
| KB4WL | 9 | 59 | 2004-09-16 | 2006-09-17 | Available |
| KB4WM | 8 | 57 | 2036-08-28 | — | Active |
| KB4WN | 10 | 55 | 2034-09-12 | — | Active |
| KB4WO | 9 | 61 | 2022-06-18 | 2024-06-19 | Available |
| KB4WP | 9 | 61 | 2016-03-05 | 2018-03-06 | Available |
| KB4WQ | 9 | 63 | 2035-01-12 | — | Active |
| KB4WR | 10 | 57 | 2015-07-31 | 2017-08-01 | Available |
| KB4WS | 10 | 55 | 2035-01-12 | — | Active |
| KB4WT | 9 | 53 | 2033-07-18 | — | Active (Vanity) |
| KB4WU | 10 | 57 | — | — | Available |
| KB4WV | 9 | 59 | — | — | Available |
| KB4WW | 9 | 59 | — | — | Available |
| KB4WX | 9 | 61 | — | — | Available |
| KB4WY | 9 | 63 | 1999-05-21 | 2001-05-22 | Available |
| KB4WZ | 9 | 61 | 2016-11-08 | 2018-11-09 | Available |
| KB4XA | 9 | 57 | 2031-03-26 | — | Active |
| KB4XB | 9 | 61 | 2014-07-14 | 2016-07-15 | Available |
| KB4XC | 9 | 63 | 2026-04-05 | — | Active |
| KB4XD | 9 | 59 | 2013-11-22 | 2015-11-23 | Available |
| KB4XE | 9 | 53 | 2007-05-15 | 2009-05-16 | Available |
| KB4XF | 9 | 61 | 2031-08-27 | — | Active |
| KB4XG | 8 | 61 | 2024-04-19 | 2026-04-20 | Available |
| KB4XH | 9 | 59 | 2014-07-14 | 2016-07-15 | Available |
| KB4XI | 10 | 55 | 2004-07-15 | 2006-07-16 | Available |
| KB4XJ | 10 | 65 | 2014-09-15 | 2016-09-16 | Available |
| KB4XK | 9 | 61 | 2009-11-28 | 2011-11-29 | Available |
| KB4XL | 9 | 61 | 2004-07-25 | 2006-07-26 | Available |
| KB4XM | 8 | 59 | 2030-01-14 | — | Active (Vanity) |
| KB4XN | 10 | 57 | 2014-09-09 | 2016-09-10 | Available |
| KB4XO | 9 | 63 | 2027-12-22 | — | Active (Vanity) |
| KB4XP | 9 | 63 | — | — | Available |
| KB4XQ | 9 | 65 | 2022-10-06 | 2024-10-07 | Available |
| KB4XR | 10 | 59 | 2028-06-03 | — | Active |
| KB4XS | 10 | 57 | — | — | Available |
| KB4XT | 9 | 55 | 2036-12-31 | — | Active (Vanity) |
| KB4XU | 10 | 59 | 2014-03-22 | 2016-03-23 | Available |
| KB4XV | 9 | 61 | 2032-06-29 | — | Active (Vanity) |
| KB4XW | 9 | 61 | 2022-10-13 | 2024-10-14 | Available |
| KB4XX | 9 | 63 | 2026-04-05 | — | Active |
| KB4XY | 9 | 65 | 2018-05-04 | 2020-05-05 | Available |
| KB4XZ | 9 | 63 | — | — | Available |
| KB4YA | 9 | 59 | — | — | Available |
| KB4YB | 9 | 63 | — | — | Available |
| KB4YC | 9 | 65 | — | — | Available |
| KB4YD | 9 | 61 | 2029-02-26 | — | Active (Vanity) |
| KB4YE | 9 | 55 | — | — | Available |
| KB4YF | 9 | 63 | — | — | Available |
| KB4YG | 8 | 63 | — | — | Available |
| KB4YH | 9 | 61 | — | — | Available |
| KB4YI | 10 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KB4YJ | 10 | 67 | 2025-08-15 | — | Active |
| KB4YK | 9 | 63 | — | — | Available |
| KB4YL | 9 | 63 | 2028-10-05 | — | Active (Vanity) |
| KB4YM | 8 | 61 | — | — | Available |
| KB4YN | 10 | 59 | 2003-10-19 | 2005-10-20 | Available |
| KB4YO | 9 | 65 | — | — | Available |
| KB4YP | 9 | 65 | 2008-11-25 | 2010-11-26 | Available |
| KB4YQ | 9 | 67 | 2001-12-17 | 2003-12-18 | Available |
| KB4YR | 10 | 61 | 2000-07-31 | 2002-08-01 | Available |
| KB4YS | 10 | 59 | — | — | Available |
| KB4YT | 9 | 57 | — | — | Available |
| KB4YU | 10 | 61 | — | — | Available |
| KB4YV | 9 | 63 | — | — | Available |
| KB4YW | 9 | 63 | — | — | Available |
| KB4YX | 9 | 65 | — | — | Available |
| KB4YY | 9 | 67 | 2015-06-26 | 2017-06-27 | Available |
| KB4YZ | 9 | 65 | 2032-12-20 | — | Active |
| KB4ZA | 9 | 57 | 1997-09-29 | 1999-09-30 | Available |
| KB4ZB | 9 | 61 | 2014-03-15 | 2016-03-16 | Available |
| KB4ZC | 9 | 63 | 2034-07-15 | — | Active |
| KB4ZD | 9 | 59 | — | — | Available |
| KB4ZE | 9 | 53 | 1997-10-27 | 1999-10-28 | Available |
| KB4ZF | 9 | 61 | 2004-08-17 | 2006-08-18 | Available |
| KB4ZG | 8 | 61 | — | — | Available |
| KB4ZH | 9 | 59 | — | — | Available |
| KB4ZI | 10 | 55 | — | — | Available |
| KB4ZJ | 10 | 65 | 1997-10-06 | 1999-10-07 | Available |
| KB4ZK | 9 | 61 | 2021-04-12 | 2023-04-13 | Available |
| KB4ZL | 9 | 61 | — | — | Available |
| KB4ZM | 8 | 59 | 2027-12-05 | — | Active (Vanity) |
| KB4ZN | 10 | 57 | — | — | Available |