District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KN4AE | 10 | 43 | 1999-11-07 | 2001-11-08 | Available |
| KN4AF | 10 | 51 | 2029-01-19 | — | Active |
| KN4AG | 9 | 51 | 2029-07-16 | — | Active |
| KN4AH | 10 | 49 | — | — | Available |
| KN4AI | 11 | 45 | — | — | Available |
| KN4AJ | 11 | 55 | 2019-11-07 | 2021-11-08 | Available |
| KN4AK | 10 | 51 | — | — | Available |
| KN4AL | 10 | 51 | 2033-02-09 | — | Active |
| KN4AM | 9 | 49 | 2029-07-19 | — | Active |
| KN4AN | 11 | 47 | 2036-02-10 | — | Active (Vanity) |
| KN4AO | 10 | 53 | 2029-05-31 | — | Active (Vanity) |
| KN4AP | 10 | 53 | — | — | Available |
| KN4AQ | 10 | 55 | 2021-07-20 | 2023-07-21 | Available |
| KN4AR | 11 | 49 | — | — | Available |
| KN4AS | 11 | 47 | 2005-04-05 | 2007-04-06 | Available |
| KN4AT | 10 | 45 | 2030-02-05 | — | Active |
| KN4AU | 11 | 49 | 2019-11-14 | 2021-11-15 | Available |
| KN4AV | 10 | 51 | 2020-01-19 | 2022-01-20 | Available |
| KN4AW | 10 | 51 | 2029-08-05 | — | Active |
| KN4AX | 10 | 53 | 2009-03-08 | 2011-03-09 | Available |
| KN4AY | 10 | 55 | 2030-03-25 | — | Active |
| KN4AZ | 10 | 53 | 1999-11-14 | 2001-11-15 | Available |
| KN4BA | 10 | 51 | 2010-02-20 | 2012-02-21 | Available |
| KN4BB | 10 | 55 | — | — | Available |
| KN4BC | 10 | 57 | 2019-11-14 | 2021-11-15 | Available |
| KN4BD | 10 | 53 | 2031-05-07 | — | Active (Vanity) |
| KN4BE | 10 | 47 | — | — | Available |
| KN4BF | 10 | 55 | 2009-11-21 | 2011-11-22 | Available |
| KN4BG | 9 | 55 | 1997-12-17 | 1999-12-18 | Available |
| KN4BH | 10 | 53 | — | — | Available |
| KN4BI | 11 | 49 | 2030-03-02 | — | Active |
| KN4BJ | 11 | 59 | 1999-11-28 | 2001-11-29 | Available |
| KN4BK | 10 | 55 | 1997-12-02 | 1999-12-03 | Available |
| KN4BL | 10 | 55 | 2019-07-22 | 2021-07-23 | Available |
| KN4BM | 9 | 53 | 2030-06-29 | — | Active |
| KN4BN | 11 | 51 | 2019-11-28 | 2021-11-29 | Available |
| KN4BO | 10 | 57 | 2002-05-12 | 2004-05-13 | Available |
| KN4BP | 10 | 57 | 2000-02-20 | 2002-02-21 | Available |
| KN4BQ | 10 | 59 | — | — | Available |
| KN4BR | 11 | 53 | — | — | Available |
| KN4BS | 11 | 51 | 2019-12-05 | 2021-12-06 | Available |
| KN4BT | 10 | 49 | — | — | Available |
| KN4BU | 11 | 53 | — | — | Available |
| KN4BV | 10 | 55 | 1999-12-12 | 2001-12-13 | Available |
| KN4BW | 10 | 55 | 2009-12-12 | 2011-12-13 | Available |
| KN4BX | 10 | 57 | 2028-03-28 | — | Active (Vanity) |
| KN4BY | 10 | 59 | 2029-12-12 | — | Active |
| KN4BZ | 10 | 57 | — | — | Available |
| KN4CA | 10 | 53 | — | — | Available |
| KN4CB | 10 | 57 | 2009-12-12 | 2011-12-13 | Available |
| KN4CC | 10 | 59 | 2031-09-08 | — | Active |
| KN4CD | 10 | 55 | 1999-12-12 | 2001-12-13 | Available |
| KN4CE | 10 | 49 | — | — | Available |
| KN4CF | 10 | 57 | 2022-11-03 | 2024-11-04 | Available |
| KN4CG | 9 | 57 | 2034-04-12 | — | Active |
| KN4CH | 10 | 55 | 2009-12-28 | 2011-12-29 | Available |
| KN4CI | 11 | 51 | 2029-12-19 | — | Active |
| KN4CJ | 11 | 61 | — | — | Available |
| KN4CK | 10 | 57 | 2021-12-07 | 2023-12-08 | Available |
| KN4CL | 10 | 57 | — | — | Available |
| KN4CM | 9 | 55 | 2014-05-07 | 2016-05-08 | Available |
| KN4CN | 11 | 53 | 2009-12-26 | 2011-12-27 | Available |
| KN4CO | 10 | 59 | 2009-12-26 | 2011-12-27 | Available |
| KN4CP | 10 | 59 | — | — | Available |
| KN4CQ | 10 | 61 | 2024-03-05 | 2026-03-06 | Available |
| KN4CR | 11 | 55 | 2010-11-22 | 2012-11-23 | Available |
| KN4CS | 11 | 53 | — | — | Available |
| KN4CT | 10 | 51 | 2029-05-19 | — | Active |
| KN4CU | 11 | 55 | 2013-07-06 | 2015-07-07 | Available |
| KN4CV | 10 | 57 | 2030-02-06 | — | Active |
| KN4CW | 10 | 57 | 2035-07-01 | — | Active (Vanity) |
| KN4CX | 10 | 59 | 2020-01-28 | 2022-01-29 | Available |
| KN4CY | 10 | 61 | 2030-01-09 | — | Active |
| KN4CZ | 10 | 59 | 2030-01-09 | — | Active |
| KN4DA | 10 | 49 | — | — | Available |
| KN4DB | 10 | 53 | 2020-01-09 | 2022-01-10 | Available |
| KN4DC | 10 | 55 | 2033-05-03 | — | Active |
| KN4DD | 10 | 51 | 2029-05-10 | — | Active (Vanity) |
| KN4DE | 10 | 45 | — | — | Available |
| KN4DF | 10 | 53 | 2010-01-09 | 2012-01-10 | Available |
| KN4DG | 9 | 53 | 1999-03-11 | 2001-03-12 | Available |
| KN4DH | 10 | 51 | 2029-05-17 | — | Active (Vanity) |
| KN4DI | 11 | 47 | 2003-05-28 | 2005-05-29 | Available |
| KN4DJ | 11 | 57 | 2031-10-22 | — | Active |
| KN4DK | 10 | 53 | 2025-03-31 | — | Active (Vanity) |
| KN4DL | 10 | 53 | 2030-02-04 | — | Active |
| KN4DM | 9 | 51 | 2030-04-26 | — | Active |
| KN4DN | 11 | 49 | — | — | Available |
| KN4DO | 10 | 55 | 2020-01-30 | 2022-01-31 | Available |
| KN4DP | 10 | 55 | 2010-01-30 | 2012-01-31 | Available |
| KN4DQ | 10 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KN4DR | 11 | 51 | 2030-01-30 | — | Active |
| KN4DS | 11 | 49 | 2028-01-04 | — | Active (Vanity) |
| KN4DT | 10 | 47 | 2030-01-30 | — | Active |
| KN4DU | 11 | 51 | — | — | Available |
| KN4DV | 10 | 53 | 2010-09-14 | 2012-09-15 | Available |
| KN4DW | 10 | 53 | 2023-09-17 | 2025-09-18 | Available |
| KN4DX | 10 | 55 | 2033-09-14 | — | Active |
| KN4DY | 10 | 57 | 2030-02-20 | — | Active |
| KN4DZ | 10 | 55 | 2028-01-05 | — | Active (Vanity) |