District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KN4XG | 9 | 57 | — | — | Available |
| KN4XH | 10 | 55 | — | — | Available |
| KN4XI | 11 | 51 | 2034-11-22 | — | Active |
| KN4XJ | 11 | 61 | 2031-03-17 | — | Active |
| KN4XK | 10 | 57 | 1999-04-01 | 2001-04-02 | Available |
| KN4XL | 10 | 57 | 2011-10-08 | 2013-10-09 | Available |
| KN4XM | 9 | 55 | 2033-09-21 | — | Active |
| KN4XN | 11 | 53 | 2021-04-02 | 2023-04-03 | Available |
| KN4XO | 10 | 59 | 2013-03-09 | 2015-03-10 | Available |
| KN4XP | 10 | 59 | 2033-11-09 | — | Active |
| KN4XQ | 10 | 61 | 2021-03-05 | 2023-03-06 | Available |
| KN4XR | 11 | 55 | 2032-05-22 | — | Active |
| KN4XS | 11 | 53 | — | — | Available |
| KN4XT | 10 | 51 | 2021-03-05 | 2023-03-06 | Available |
| KN4XU | 11 | 55 | — | — | Available |
| KN4XV | 10 | 57 | 2001-03-12 | 2003-03-13 | Available |
| KN4XW | 10 | 57 | 2032-05-16 | — | Active |
| KN4XX | 10 | 59 | 2031-03-12 | — | Active |
| KN4XY | 10 | 61 | 2001-03-12 | 2003-03-13 | Available |
| KN4XZ | 10 | 59 | 2001-04-06 | 2003-04-07 | Available |
| KN4YA | 10 | 55 | 2035-08-18 | — | Active |
| KN4YB | 10 | 59 | 2034-02-02 | — | Active |
| KN4YC | 10 | 61 | — | — | Available |
| KN4YD | 10 | 57 | 2011-03-12 | 2013-03-13 | Available |
| KN4YE | 10 | 51 | 2021-03-12 | 2023-03-13 | Available |
| KN4YF | 10 | 59 | 2001-03-12 | 2003-03-13 | Available |
| KN4YG | 9 | 59 | 2011-03-12 | 2013-03-13 | Available |
| KN4YH | 10 | 57 | 2032-07-12 | — | Active (Vanity) |
| KN4YI | 11 | 53 | 2001-03-12 | 2003-03-13 | Available |
| KN4YJ | 11 | 63 | 2021-03-12 | 2023-03-13 | Available |
| KN4YK | 10 | 59 | 2028-03-23 | — | Active (Vanity) |
| KN4YL | 10 | 59 | 2031-03-19 | — | Active |
| KN4YM | 9 | 57 | 2021-03-19 | 2023-03-20 | Available |
| KN4YN | 11 | 55 | 2031-03-19 | — | Active |
| KN4YO | 10 | 61 | — | — | Available |
| KN4YP | 10 | 61 | 2012-08-10 | 2014-08-11 | Available |
| KN4YQ | 10 | 63 | — | — | Available |
| KN4YR | 11 | 57 | 2021-03-26 | 2023-03-27 | Available |
| KN4YS | 11 | 55 | 2024-03-18 | 2026-03-19 | Available |
| KN4YT | 10 | 53 | 2033-12-06 | — | Active |
| KN4YU | 11 | 57 | — | — | Available |
| KN4YV | 10 | 59 | 2031-03-26 | — | Active |
| KN4YW | 10 | 59 | 2021-03-26 | 2023-03-27 | Available |
| KN4YX | 10 | 61 | 2003-01-05 | 2005-01-06 | Available |
| KN4YY | 10 | 63 | 2031-03-26 | — | Active |
| KN4YZ | 10 | 61 | 2031-03-26 | — | Active |
| KN4ZA | 10 | 53 | 2001-08-13 | 2003-08-14 | Available |
| KN4ZB | 10 | 57 | 2033-06-22 | — | Active (Vanity) |
| KN4ZC | 10 | 59 | 2021-04-02 | 2023-04-03 | Available |
| KN4ZD | 10 | 55 | 2011-04-02 | 2013-04-03 | Available |
| KN4ZE | 10 | 49 | — | — | Available |
| KN4ZF | 10 | 57 | — | — | Available |
| KN4ZG | 9 | 57 | 2012-12-18 | 2014-12-19 | Available |
| KN4ZH | 10 | 55 | — | — | Available |
| KN4ZI | 11 | 51 | — | — | Available |
| KN4ZJ | 11 | 61 | 2031-07-07 | — | Active |
| KN4ZK | 10 | 57 | 2011-04-02 | 2013-04-03 | Available |
| KN4ZL | 10 | 57 | 2031-04-02 | — | Active |
| KN4ZM | 9 | 55 | — | — | Available |
| KN4ZN | 11 | 53 | 2001-04-02 | 2003-04-03 | Available |
| KN4ZO | 10 | 59 | 2031-04-02 | — | Active |
| KN4ZP | 10 | 59 | — | — | Available |
| KN4ZQ | 10 | 61 | 2033-01-12 | — | Active |
| KN4ZR | 11 | 55 | 2016-10-17 | 2018-10-18 | Available |
| KN4ZS | 11 | 53 | 2001-04-02 | 2003-04-03 | Available |
| KN4ZT | 10 | 51 | — | — | Available |
| KN4ZU | 11 | 55 | 2031-05-21 | — | Active |
| KN4ZV | 10 | 57 | 2031-04-02 | — | Active |
| KN4ZW | 10 | 57 | 2031-04-02 | — | Active |
| KN4ZX | 10 | 59 | — | — | Available |
| KN4ZY | 10 | 61 | 2021-04-09 | 2023-04-10 | Available |
| KN4ZZ | 10 | 59 | 2031-04-09 | — | Active |
| KO4AA | 9 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KO4AB | 9 | 57 | 2033-05-02 | — | Active (Vanity) |
| KO4AC | 9 | 59 | 2002-08-11 | 2004-08-12 | Available |
| KO4AD | 9 | 55 | 2011-04-10 | 2013-04-11 | Available |
| KO4AE | 9 | 49 | 2013-10-19 | 2015-10-20 | Available |
| KO4AF | 9 | 57 | 2021-04-23 | 2023-04-24 | Available |
| KO4AG | 8 | 57 | 2011-04-23 | 2013-04-24 | Available |
| KO4AH | 9 | 55 | 2021-04-23 | 2023-04-24 | Available |
| KO4AI | 10 | 51 | — | — | Available |
| KO4AJ | 10 | 61 | — | — | Available |
| KO4AK | 9 | 57 | 2035-06-28 | — | Active |
| KO4AL | 9 | 57 | 2011-07-16 | 2013-07-17 | Available |
| KO4AM | 8 | 55 | 2004-02-14 | 2006-02-15 | Available |
| KO4AN | 10 | 53 | 2031-04-30 | — | Active |
| KO4AO | 9 | 59 | 1998-12-30 | 2000-12-31 | Available |
| KO4AP | 9 | 59 | 2001-04-30 | 2003-05-01 | Available |
| KO4AQ | 9 | 61 | 2021-04-30 | 2023-05-01 | Available |
| KO4AR | 10 | 55 | 2011-04-30 | 2013-05-01 | Available |
| KO4AS | 10 | 53 | — | — | Available |
| KO4AT | 9 | 51 | 2031-04-30 | — | Active |
| KO4AU | 10 | 55 | — | — | Available |
| KO4AV | 9 | 57 | 1997-10-15 | 1999-10-16 | Available |
| KO4AW | 9 | 57 | 2011-04-30 | 2013-05-01 | Available |
| KO4AX | 9 | 59 | 2001-04-30 | 2003-05-01 | Available |
| KO4AY | 9 | 61 | 2032-07-21 | — | Active |
| KO4AZ | 9 | 59 | 2021-04-30 | 2023-05-01 | Available |
| KO4BA | 9 | 57 | — | — | Available |
| KO4BB | 9 | 61 | 2032-04-26 | — | Active |