District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KI4XK | 10 | 55 | 2036-07-05 | — | Active |
| KI4XL | 10 | 55 | 2002-04-19 | 2004-04-20 | Available |
| KI4XM | 9 | 53 | 2008-04-09 | 2010-04-10 | Available |
| KI4XN | 11 | 51 | 2004-08-06 | 2006-08-07 | Available |
| KI4XO | 10 | 57 | — | — | Available |
| KI4XP | 10 | 57 | 2021-04-23 | 2023-04-24 | Available |
| KI4XQ | 10 | 59 | 2004-10-05 | 2006-10-06 | Available |
| KI4XR | 11 | 53 | 2031-07-19 | — | Active |
| KI4XS | 11 | 51 | 2033-06-07 | — | Active |
| KI4XT | 10 | 49 | 2014-05-17 | 2016-05-18 | Available |
| KI4XU | 11 | 53 | 2014-08-15 | 2016-08-16 | Available |
| KI4XV | 10 | 55 | 2014-03-15 | 2016-03-16 | Available |
| KI4XW | 10 | 55 | 2004-09-09 | 2006-09-10 | Available |
| KI4XX | 10 | 57 | 2020-07-10 | 2022-07-11 | Available |
| KI4XY | 10 | 59 | 2005-04-26 | 2007-04-27 | Available |
| KI4XZ | 10 | 57 | 2024-10-24 | 2026-10-25 | Available |
| KI4YA | 10 | 53 | 2006-01-07 | 2008-01-08 | Available |
| KI4YB | 10 | 57 | 2014-10-19 | 2016-10-20 | Available |
| KI4YC | 10 | 59 | — | — | Available |
| KI4YD | 10 | 55 | 2029-07-16 | — | Active |
| KI4YE | 10 | 49 | — | — | Available |
| KI4YF | 10 | 57 | — | — | Available |
| KI4YG | 9 | 57 | 2025-01-09 | — | Active |
| KI4YH | 10 | 55 | 2004-10-25 | 2006-10-26 | Available |
| KI4YI | 11 | 51 | — | — | Available |
| KI4YJ | 11 | 61 | — | — | Available |
| KI4YK | 10 | 57 | 1997-09-17 | 1999-09-18 | Available |
| KI4YL | 10 | 57 | 2010-07-31 | 2012-08-01 | Available |
| KI4YM | 9 | 55 | 2024-09-22 | 2026-09-23 | Available |
| KI4YN | 11 | 53 | 2005-07-11 | 2007-07-12 | Available |
| KI4YO | 10 | 59 | 2031-08-28 | — | Active (Vanity) |
| KI4YP | 10 | 59 | 2014-10-20 | 2016-10-21 | Available |
| KI4YQ | 10 | 61 | — | — | Available |
| KI4YR | 11 | 55 | 2005-01-20 | 2007-01-21 | Available |
| KI4YS | 11 | 53 | 2006-04-15 | 2008-04-16 | Available |
| KI4YT | 10 | 51 | 2005-07-08 | 2007-07-09 | Available |
| KI4YU | 11 | 55 | 2004-11-18 | 2006-11-19 | Available |
| KI4YV | 10 | 57 | 2020-03-06 | 2022-03-07 | Available |
| KI4YW | 10 | 57 | — | — | Available |
| KI4YX | 10 | 59 | — | — | Available |
| KI4YY | 10 | 61 | 2031-03-05 | — | Active |
| KI4YZ | 10 | 59 | 2014-12-07 | 2016-12-08 | Available |
| KI4ZA | 10 | 51 | 2030-12-19 | — | Active |
| KI4ZB | 10 | 55 | — | — | Available |
| KI4ZC | 10 | 57 | — | — | Available |
| KI4ZD | 10 | 53 | 2000-03-06 | 2002-03-07 | Available |
| KI4ZE | 10 | 47 | — | — | Available |
| KI4ZF | 10 | 55 | 2004-12-19 | 2006-12-20 | Available |
| KI4ZG | 9 | 55 | — | — | Available |
| KI4ZH | 10 | 53 | — | — | Available |
| KI4ZI | 11 | 49 | 2028-11-21 | — | Active |
| KI4ZJ | 11 | 59 | 2014-12-07 | 2016-12-08 | Available |
| KI4ZK | 10 | 55 | — | — | Available |
| KI4ZL | 10 | 55 | 2019-07-22 | 2021-07-23 | Available |
| KI4ZM | 9 | 53 | 2024-11-21 | — | Active |
| KI4ZN | 11 | 51 | — | — | Available |
| KI4ZO | 10 | 57 | 2013-05-04 | 2015-05-05 | Available |
| KI4ZP | 10 | 57 | 2035-04-22 | — | Active |
| KI4ZQ | 10 | 59 | — | — | Available |
| KI4ZR | 11 | 53 | 2014-12-08 | 2016-12-09 | Available |
| KI4ZS | 11 | 51 | 2034-11-26 | — | Active (Vanity) |
| KI4ZT | 10 | 49 | 2005-03-07 | 2007-03-08 | Available |
| KI4ZU | 11 | 53 | — | — | Available |
| KI4ZV | 10 | 55 | 2015-02-24 | 2017-02-25 | Available |
| KI4ZW | 10 | 55 | 2007-07-31 | 2009-08-01 | Available |
| KI4ZX | 10 | 57 | 2032-02-25 | — | Active |
| KI4ZY | 10 | 59 | 2028-05-07 | — | Active |
| KI4ZZ | 10 | 57 | 2014-12-07 | 2016-12-08 | Available |
| KJ4AA | 10 | 55 | 2025-01-05 | — | Active |
| KJ4AB | 10 | 59 | — | — | Available |
| KJ4AC | 10 | 61 | 1997-12-08 | 1999-12-09 | Available |
| KJ4AD | 10 | 57 | — | — | Available |
| KJ4AE | 10 | 51 | 2005-03-03 | 2007-03-04 | Available |
| KJ4AF | 10 | 59 | 2015-01-12 | 2017-01-13 | Available |
| KJ4AG | 9 | 59 | 2023-06-19 | 2025-06-20 | Available |
| KJ4AH | 10 | 57 | — | — | Available |
| KJ4AI | 11 | 53 | — | — | Available |
| KJ4AJ | 11 | 63 | 2001-03-05 | 2003-03-06 | Available |
| KJ4AK | 10 | 59 | — | — | Available |
| KJ4AL | 10 | 59 | 2035-04-15 | — | Active (Vanity) |
| KJ4AM | 9 | 57 | 2004-03-22 | 2006-03-23 | Available |
| KJ4AN | 11 | 55 | 2028-09-29 | — | Active |
| KJ4AO | 10 | 61 | — | — | Available |
| KJ4AP | 10 | 61 | — | — | Available |
| KJ4AQ | 10 | 63 | — | — | Available |
| KJ4AR | 11 | 57 | 2015-01-12 | 2017-01-13 | Available |
| KJ4AS | 11 | 55 | 2009-06-18 | 2011-06-19 | Available |
| KJ4AT | 10 | 53 | 2015-02-22 | 2017-02-23 | Available |
| KJ4AU | 11 | 57 | — | — | Available |
| KJ4AV | 10 | 59 | 2016-07-17 | 2018-07-18 | Available |
| KJ4AW | 10 | 59 | 2005-01-09 | 2007-01-10 | Available |
| KJ4AX | 10 | 61 | 2028-03-20 | — | Active |
| KJ4AY | 10 | 63 | 2032-11-10 | — | Active |
| KJ4AZ | 10 | 61 | — | — | Available |
| KJ4BA | 10 | 59 | — | — | Available |
| KJ4BB | 10 | 63 | 2025-06-13 | — | Active (Vanity) |
| KJ4BC | 10 | 65 | 2025-01-13 | — | Active |
| KJ4BD | 10 | 61 | 2032-03-23 | — | Active (Vanity) |
| KJ4BE | 10 | 55 | — | — | Available |
| KJ4BF | 10 | 63 | 1998-12-09 | 2000-12-10 | Available |