District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KJ4YI | 11 | 61 | — | — | Available |
| KJ4YJ | 11 | 71 | 2011-11-15 | 2013-11-16 | Available |
| KJ4YK | 10 | 67 | 2006-02-15 | 2008-02-16 | Available |
| KJ4YL | 10 | 67 | 2027-03-07 | — | Active |
| KJ4YM | 9 | 65 | 2027-04-25 | — | Active |
| KJ4YN | 11 | 63 | 2026-06-03 | — | Active |
| KJ4YO | 10 | 69 | 2027-06-08 | — | Active |
| KJ4YP | 10 | 69 | 2016-02-01 | 2018-02-02 | Available |
| KJ4YQ | 10 | 71 | 2017-03-04 | 2019-03-05 | Available |
| KJ4YR | 11 | 65 | 2026-04-02 | — | Active |
| KJ4YS | 11 | 63 | 2030-04-03 | — | Active |
| KJ4YT | 10 | 61 | 2030-01-07 | — | Active (Vanity) |
| KJ4YU | 11 | 65 | — | — | Available |
| KJ4YV | 10 | 67 | — | — | Available |
| KJ4YW | 10 | 67 | — | — | Available |
| KJ4YX | 10 | 69 | 2021-12-31 | 2024-01-01 | Available |
| KJ4YY | 10 | 71 | 2006-09-09 | 2008-09-10 | Available |
| KJ4YZ | 10 | 69 | 2002-01-05 | 2004-01-06 | Available |
| KJ4ZA | 10 | 61 | 2002-03-07 | 2004-03-08 | Available |
| KJ4ZB | 10 | 65 | — | — | Available |
| KJ4ZC | 10 | 67 | — | — | Available |
| KJ4ZD | 10 | 63 | 2036-05-17 | — | Active |
| KJ4ZE | 10 | 57 | — | — | Available |
| KJ4ZF | 10 | 65 | 2028-04-30 | — | Active |
| KJ4ZG | 9 | 65 | 2036-05-07 | — | Active |
| KJ4ZH | 10 | 63 | 2026-10-08 | — | Active |
| KJ4ZI | 11 | 59 | 2029-06-22 | — | Active |
| KJ4ZJ | 11 | 69 | 2026-05-22 | — | Active |
| KJ4ZK | 10 | 65 | — | — | Available |
| KJ4ZL | 10 | 65 | — | — | Available |
| KJ4ZM | 9 | 63 | 2026-07-15 | — | Active |
| KJ4ZN | 11 | 61 | 2031-08-13 | — | Active |
| KJ4ZO | 10 | 67 | 2034-07-25 | — | Active (Vanity) |
| KJ4ZP | 10 | 67 | 2003-02-06 | 2005-02-07 | Available |
| KJ4ZQ | 10 | 69 | 2000-05-17 | 2002-05-18 | Available |
| KJ4ZR | 11 | 63 | — | — | Available |
| KJ4ZS | 11 | 61 | 2006-05-31 | 2008-06-01 | Available |
| KJ4ZT | 10 | 59 | — | — | Available |
| KJ4ZU | 11 | 63 | 2031-02-01 | — | Active (Vanity) |
| KJ4ZV | 10 | 65 | 1998-09-30 | 2000-10-01 | Available |
| KJ4ZW | 10 | 65 | 2016-06-05 | 2018-06-06 | Available |
| KJ4ZX | 10 | 67 | 2019-12-13 | 2021-12-14 | Available |
| KJ4ZY | 10 | 69 | — | — | Available |
| KJ4ZZ | 10 | 67 | 2027-01-31 | — | Active |
| KK4AA | 9 | 51 | 2027-10-24 | — | Active |
| KK4AB | 9 | 55 | 2026-05-07 | — | Active |
| KK4AC | 9 | 57 | 2036-04-15 | — | Active (Vanity) |
| KK4AD | 9 | 53 | 2016-06-04 | 2018-06-05 | Available |
| KK4AE | 9 | 47 | 2035-03-04 | — | Active (Vanity) |
| KK4AF | 9 | 55 | 2027-10-04 | — | Active |
| KK4AG | 8 | 55 | — | — | Available |
| KK4AH | 9 | 53 | 2026-09-25 | — | Active |
| KK4AI | 10 | 49 | 2030-10-23 | — | Active (Vanity) |
| KK4AJ | 10 | 59 | 2013-05-07 | 2015-05-08 | Available |
| KK4AK | 9 | 55 | 2027-08-14 | — | Active (Vanity) |
| KK4AL | 9 | 55 | 2027-06-09 | — | Active |
| KK4AM | 8 | 53 | 2031-02-08 | — | Active (Vanity) |
| KK4AN | 10 | 51 | — | — | Available |
| KK4AO | 9 | 57 | 2006-10-04 | 2008-10-05 | Available |
| KK4AP | 9 | 57 | 2026-08-03 | — | Active |
| KK4AQ | 9 | 59 | 2024-05-31 | 2026-06-01 | Available |
| KK4AR | 10 | 53 | 2032-09-27 | — | Active (Vanity) |
| KK4AS | 10 | 51 | 2031-06-18 | — | Active |
| KK4AT | 9 | 49 | 2026-12-30 | — | Active |
| KK4AU | 10 | 53 | 2016-06-14 | 2018-06-15 | Available |
| KK4AV | 9 | 55 | 2027-05-13 | — | Active |
| KK4AW | 9 | 55 | 2026-06-25 | — | Active |
| KK4AX | 9 | 57 | 2027-10-03 | — | Active |
| KK4AY | 9 | 59 | 2027-05-22 | — | Active |
| KK4AZ | 9 | 57 | 2022-06-29 | 2024-06-30 | Available |
| KK4BA | 9 | 55 | 1999-01-17 | 2001-01-18 | Available |
| KK4BB | 9 | 59 | 2036-05-31 | — | Active |
| KK4BC | 9 | 61 | 2031-09-28 | — | Active (Vanity) |
| KK4BD | 9 | 57 | 2030-05-29 | — | Active |
| KK4BE | 9 | 51 | 2023-02-16 | 2025-02-17 | Available |
| KK4BF | 9 | 59 | 2016-09-09 | 2018-09-10 | Available |
| KK4BG | 8 | 59 | 2012-07-21 | 2014-07-22 | Available |
| KK4BH | 9 | 57 | 2023-06-14 | 2025-06-15 | Available |
| KK4BI | 10 | 53 | 2035-11-24 | — | Active (Vanity) |
| KK4BJ | 10 | 63 | 2026-08-06 | — | Active |
| KK4BK | 9 | 59 | 2027-04-11 | — | Active (Vanity) |
| KK4BL | 9 | 59 | — | — | Available |
| KK4BM | 8 | 57 | 2021-03-10 | 2023-03-11 | Available |
| KK4BN | 10 | 55 | 2003-04-13 | 2005-04-14 | Available |
| KK4BO | 9 | 61 | 2010-10-23 | 2012-10-24 | Available |
| KK4BP | 9 | 61 | — | — | Available |
| KK4BQ | 9 | 63 | 2032-06-15 | — | Active (Vanity) |
| KK4BR | 10 | 57 | 2036-01-22 | — | Active |
| KK4BS | 10 | 55 | 2035-05-23 | — | Active |
| KK4BT | 9 | 53 | 2006-02-08 | 2008-02-09 | Available |
| KK4BU | 10 | 57 | 2006-08-20 | 2008-08-21 | Available |
| KK4BV | 9 | 59 | 2026-07-31 | — | Active |
| KK4BW | 9 | 59 | 2026-08-05 | — | Active |
| KK4BX | 9 | 61 | — | — | Available |
| KK4BY | 9 | 63 | — | — | Available |
| KK4BZ | 9 | 61 | 2036-06-10 | — | Active (Vanity) |
| KK4CA | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KK4CB | 9 | 61 | 2028-10-03 | — | Active (Vanity) |
| KK4CC | 9 | 63 | 2028-09-20 | — | Active |
| KK4CD | 9 | 59 | 2020-05-15 | 2022-05-16 | Available |