District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KR4WE | 10 | 49 | 2016-06-07 | 2018-06-08 | Available |
| KR4WF | 10 | 57 | 2014-07-15 | 2016-07-16 | Available |
| KR4WG | 9 | 57 | 2033-02-02 | — | Active |
| KR4WH | 10 | 55 | 2036-07-02 | — | Active (Vanity) |
| KR4WI | 11 | 51 | 2020-12-29 | 2022-12-30 | Available |
| KR4WJ | 11 | 61 | — | — | Available |
| KR4WK | 10 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KR4WL | 10 | 57 | 2024-05-31 | 2026-06-01 | Available |
| KR4WM | 9 | 55 | 2010-02-11 | 2012-02-12 | Available |
| KR4WN | 11 | 53 | 2023-03-02 | 2025-03-03 | Available |
| KR4WO | 10 | 59 | — | — | Available |
| KR4WP | 10 | 59 | 2024-03-15 | 2026-03-16 | Available |
| KR4WQ | 10 | 61 | 2034-01-31 | — | Active |
| KR4WR | 11 | 55 | — | — | Pending Application |
| KR4WS | 11 | 53 | 2031-05-26 | — | Active (Vanity) |
| KR4WT | 10 | 51 | 2024-02-13 | 2026-02-14 | Available |
| KR4WU | 11 | 55 | 2033-11-09 | — | Active |
| KR4WV | 10 | 57 | 2012-10-05 | 2014-10-06 | Available |
| KR4WW | 10 | 57 | 2034-03-29 | — | Active |
| KR4WX | 10 | 59 | 2033-02-14 | — | Active (Vanity) |
| KR4WY | 10 | 61 | 2004-03-29 | 2006-03-30 | Available |
| KR4WZ | 10 | 59 | 2034-10-02 | — | Active |
| KR4XA | 10 | 55 | 2034-03-29 | — | Active |
| KR4XB | 10 | 59 | — | — | Available |
| KR4XC | 10 | 61 | 2033-08-31 | — | Active |
| KR4XD | 10 | 57 | 2031-04-26 | — | Active (Vanity) |
| KR4XE | 10 | 51 | 2018-06-22 | 2020-06-23 | Available |
| KR4XF | 10 | 59 | 2013-01-08 | 2015-01-09 | Available |
| KR4XG | 9 | 59 | 2034-03-29 | — | Active |
| KR4XH | 10 | 57 | 2034-04-05 | — | Active |
| KR4XI | 11 | 53 | 2024-07-30 | 2026-07-31 | Available |
| KR4XJ | 11 | 63 | 2023-05-18 | 2025-05-19 | Available |
| KR4XK | 10 | 59 | 2033-11-28 | — | Active |
| KR4XL | 10 | 59 | 2024-04-05 | 2026-04-06 | Available |
| KR4XM | 9 | 57 | 2016-07-12 | 2018-07-13 | Available |
| KR4XN | 11 | 55 | 2034-04-05 | — | Active |
| KR4XO | 10 | 61 | 1998-07-26 | 2000-07-27 | Available |
| KR4XP | 10 | 61 | 2000-05-05 | 2002-05-06 | Available |
| KR4XQ | 10 | 63 | — | — | Available |
| KR4XR | 11 | 57 | 2034-05-11 | — | Active (Vanity) |
| KR4XS | 11 | 55 | — | — | Available |
| KR4XT | 10 | 53 | 2033-09-14 | — | Active |
| KR4XU | 11 | 57 | 2014-04-12 | 2016-04-13 | Available |
| KR4XV | 10 | 59 | 2034-03-29 | — | Active |
| KR4XW | 10 | 59 | — | — | Available |
| KR4XX | 10 | 61 | — | — | Available |
| KR4XY | 10 | 63 | 1998-04-28 | 2000-04-29 | Available |
| KR4XZ | 10 | 61 | 2021-09-17 | 2023-09-18 | Available |
| KR4YA | 10 | 57 | 2003-05-18 | 2005-05-19 | Available |
| KR4YB | 10 | 61 | — | — | Available |
| KR4YC | 10 | 63 | 2030-10-02 | — | Active |
| KR4YD | 10 | 59 | 2034-01-04 | — | Active |
| KR4YE | 10 | 53 | 2014-04-19 | 2016-04-20 | Available |
| KR4YF | 10 | 61 | 2013-08-17 | 2015-08-18 | Available |
| KR4YG | 9 | 61 | 2000-06-01 | 2002-06-02 | Available |
| KR4YH | 10 | 59 | 2007-10-10 | 2009-10-11 | Available |
| KR4YI | 11 | 55 | 2006-09-26 | 2008-09-27 | Available |
| KR4YJ | 11 | 65 | 2003-12-14 | 2005-12-15 | Available |
| KR4YK | 10 | 61 | 2034-04-12 | — | Active |
| KR4YL | 10 | 61 | 2000-08-04 | 2002-08-05 | Available |
| KR4YM | 9 | 59 | 2014-02-01 | 2016-02-02 | Available |
| KR4YN | 11 | 57 | 2035-09-24 | — | Active |
| KR4YO | 10 | 63 | 2021-08-13 | 2023-08-14 | Available |
| KR4YP | 10 | 63 | 2034-04-19 | — | Active |
| KR4YQ | 10 | 65 | — | — | Available |
| KR4YR | 11 | 59 | 2033-12-28 | — | Active |
| KR4YS | 11 | 57 | 2034-01-18 | — | Active |
| KR4YT | 10 | 55 | 2004-03-15 | 2006-03-16 | Available |
| KR4YU | 11 | 59 | 2003-01-26 | 2005-01-27 | Available |
| KR4YV | 10 | 61 | 2014-03-29 | 2016-03-30 | Available |
| KR4YW | 10 | 61 | 2003-01-05 | 2005-01-06 | Available |
| KR4YX | 10 | 63 | 2036-08-29 | — | Active |
| KR4YY | 10 | 65 | 2008-10-28 | 2010-10-29 | Available |
| KR4YZ | 10 | 63 | 2024-05-10 | 2026-05-11 | Available |
| KR4ZA | 10 | 55 | 2034-05-10 | — | Active |
| KR4ZB | 10 | 59 | 2034-08-17 | — | Active |
| KR4ZC | 10 | 61 | 2004-08-17 | 2006-08-18 | Available |
| KR4ZD | 10 | 57 | — | — | Available |
| KR4ZE | 10 | 51 | 2032-07-24 | — | Active |
| KR4ZF | 10 | 59 | 2001-10-08 | 2003-10-09 | Available |
| KR4ZG | 9 | 59 | — | — | Available |
| KR4ZH | 10 | 57 | 2023-07-06 | 2025-07-07 | Available |
| KR4ZI | 11 | 53 | 2034-05-17 | — | Active |
| KR4ZJ | 11 | 63 | 2024-05-10 | 2026-05-11 | Available |
| KR4ZK | 10 | 59 | 2021-12-10 | 2023-12-11 | Available |
| KR4ZL | 10 | 59 | — | — | Available |
| KR4ZM | 9 | 57 | — | — | Available |
| KR4ZN | 11 | 55 | 2004-01-03 | 2006-01-04 | Available |
| KR4ZO | 10 | 61 | 2035-01-07 | — | Active |
| KR4ZP | 10 | 61 | 2001-09-10 | 2003-09-11 | Available |
| KR4ZQ | 10 | 63 | 2000-07-08 | 2002-07-09 | Available |
| KR4ZR | 11 | 57 | — | — | Available |
| KR4ZS | 11 | 55 | — | — | Available |
| KR4ZT | 10 | 53 | 2034-11-17 | — | Active |
| KR4ZU | 11 | 57 | 2024-05-31 | 2026-06-01 | Available |
| KR4ZV | 10 | 59 | 2014-05-31 | 2016-06-01 | Available |
| KR4ZW | 10 | 59 | 1998-03-06 | 2000-03-07 | Available |
| KR4ZX | 10 | 61 | 2034-04-12 | — | Active |
| KR4ZY | 10 | 63 | 2033-05-29 | — | Active (Vanity) |
| KR4ZZ | 10 | 61 | 2033-10-12 | — | Active |