District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KI4AI | 11 | 43 | 2017-08-22 | 2019-08-23 | Available |
| KI4AJ | 11 | 53 | — | — | Available |
| KI4AK | 10 | 49 | — | — | Available |
| KI4AL | 10 | 49 | 2008-03-11 | 2010-03-12 | Available |
| KI4AM | 9 | 47 | 1998-10-18 | 2000-10-19 | Available |
| KI4AN | 11 | 45 | 2008-10-23 | 2010-10-24 | Available |
| KI4AO | 10 | 51 | — | — | Available |
| KI4AP | 10 | 51 | 2008-04-16 | 2010-04-17 | Available |
| KI4AQ | 10 | 53 | — | — | Available |
| KI4AR | 11 | 47 | 2028-09-10 | — | Active |
| KI4AS | 11 | 45 | — | — | Available |
| KI4AT | 10 | 43 | 2018-05-13 | 2020-05-14 | Available |
| KI4AU | 11 | 47 | 2008-10-28 | 2010-10-29 | Available |
| KI4AV | 10 | 49 | 2029-01-16 | — | Active |
| KI4AW | 10 | 49 | — | — | Available |
| KI4AX | 10 | 51 | 2019-09-10 | 2021-09-11 | Available |
| KI4AY | 10 | 53 | — | — | Available |
| KI4AZ | 10 | 51 | — | — | Available |
| KI4BA | 10 | 49 | 2034-06-16 | — | Active |
| KI4BB | 10 | 53 | 2007-08-26 | 2009-08-27 | Available |
| KI4BC | 10 | 55 | 2035-06-13 | — | Active (Vanity) |
| KI4BD | 10 | 51 | — | — | Available |
| KI4BE | 10 | 45 | 2006-10-16 | 2008-10-17 | Available |
| KI4BF | 10 | 53 | 2028-08-20 | — | Active |
| KI4BG | 9 | 53 | 1998-09-27 | 2000-09-28 | Available |
| KI4BH | 10 | 51 | 2013-06-08 | 2015-06-09 | Available |
| KI4BI | 11 | 47 | 1999-07-22 | 2001-07-23 | Available |
| KI4BJ | 11 | 57 | 2018-07-02 | 2020-07-03 | Available |
| KI4BK | 10 | 53 | 2008-08-07 | 2010-08-08 | Available |
| KI4BL | 10 | 53 | 2018-08-28 | 2020-08-29 | Available |
| KI4BM | 9 | 51 | 2017-12-19 | 2019-12-20 | Available |
| KI4BN | 11 | 49 | 2028-07-15 | — | Active |
| KI4BO | 10 | 55 | 2000-06-13 | 2002-06-14 | Available |
| KI4BP | 10 | 55 | — | — | Available |
| KI4BQ | 10 | 57 | 2028-04-16 | — | Active |
| KI4BR | 11 | 51 | 2030-05-22 | — | Active |
| KI4BS | 11 | 49 | — | — | Available |
| KI4BT | 10 | 47 | 2004-03-31 | 2006-04-01 | Available |
| KI4BU | 11 | 51 | 1997-09-17 | 1999-09-18 | Available |
| KI4BV | 10 | 53 | — | — | Available |
| KI4BW | 10 | 53 | 1998-10-22 | 2000-10-23 | Available |
| KI4BX | 10 | 55 | — | — | Available |
| KI4BY | 10 | 57 | 2033-04-29 | — | Active (Vanity) |
| KI4BZ | 10 | 55 | 1998-10-11 | 2000-10-12 | Available |
| KI4CA | 10 | 51 | 2034-06-29 | — | Active (Vanity) |
| KI4CB | 10 | 55 | 2012-06-16 | 2014-06-17 | Available |
| KI4CC | 10 | 57 | — | — | Available |
| KI4CD | 10 | 53 | 2024-03-22 | 2026-03-23 | Available |
| KI4CE | 10 | 47 | 2001-10-22 | 2003-10-23 | Available |
| KI4CF | 10 | 55 | 2028-07-29 | — | Active |
| KI4CG | 9 | 55 | 2017-05-28 | 2019-05-29 | Available |
| KI4CH | 10 | 53 | 2028-08-27 | — | Active |
| KI4CI | 11 | 49 | 2018-09-18 | 2020-09-19 | Available |
| KI4CJ | 11 | 59 | 2028-07-08 | — | Active |
| KI4CK | 10 | 55 | 2022-12-15 | 2024-12-16 | Available |
| KI4CL | 10 | 55 | — | — | Available |
| KI4CM | 9 | 53 | 1998-10-25 | 2000-10-26 | Available |
| KI4CN | 11 | 51 | 1999-09-05 | 2001-09-06 | Available |
| KI4CO | 10 | 57 | 2008-05-07 | 2010-05-08 | Available |
| KI4CP | 10 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KI4CQ | 10 | 59 | 2030-12-29 | — | Active (Vanity) |
| KI4CR | 11 | 53 | 2031-10-05 | — | Active (Vanity) |
| KI4CS | 11 | 51 | 2029-07-30 | — | Active (Vanity) |
| KI4CT | 10 | 49 | 2018-09-11 | 2020-09-12 | Available |
| KI4CU | 11 | 53 | 2027-03-10 | — | Active |
| KI4CV | 10 | 55 | — | — | Available |
| KI4CW | 10 | 55 | 2028-08-28 | — | Active |
| KI4CX | 10 | 57 | 2012-09-22 | 2014-09-23 | Available |
| KI4CY | 10 | 59 | 2028-04-15 | — | Active |
| KI4CZ | 10 | 57 | — | — | Available |
| KI4DA | 10 | 47 | — | — | Available |
| KI4DB | 10 | 51 | — | — | Available |
| KI4DC | 10 | 53 | 2008-02-09 | 2010-02-10 | Available |
| KI4DD | 10 | 49 | 2020-08-15 | 2022-08-16 | Available |
| KI4DE | 10 | 43 | 2034-12-28 | — | Active (Vanity) |
| KI4DF | 10 | 51 | 2030-05-22 | — | Active |
| KI4DG | 9 | 51 | 2015-04-14 | 2017-04-15 | Available |
| KI4DH | 10 | 49 | 2032-06-09 | — | Active |
| KI4DI | 11 | 45 | 2028-11-23 | — | Active |
| KI4DJ | 11 | 55 | — | — | Available |
| KI4DK | 10 | 51 | 2035-01-28 | — | Active (Vanity) |
| KI4DL | 10 | 51 | 2025-04-05 | — | Active |
| KI4DM | 9 | 49 | — | — | Available |
| KI4DN | 11 | 47 | 2016-11-01 | 2018-11-02 | Available |
| KI4DO | 10 | 53 | 1998-11-15 | 2000-11-16 | Available |
| KI4DP | 10 | 53 | 1998-11-29 | 2000-11-30 | Available |
| KI4DQ | 10 | 55 | 2026-11-26 | — | Active (Vanity) |
| KI4DR | 11 | 49 | 2026-02-25 | — | Active (Vanity) |
| KI4DS | 11 | 47 | 2021-08-30 | 2023-08-31 | Available |
| KI4DT | 10 | 45 | 2029-04-21 | — | Active (Vanity) |
| KI4DU | 11 | 49 | 1998-11-15 | 2000-11-16 | Available |
| KI4DV | 10 | 51 | 2036-05-16 | — | Active (Vanity) |
| KI4DW | 10 | 51 | 2024-07-16 | 2026-07-17 | Available |
| KI4DX | 10 | 53 | 2036-08-05 | — | Active (Vanity) |
| KI4DY | 10 | 55 | — | — | Available |
| KI4DZ | 10 | 53 | — | — | Available |
| KI4EA | 10 | 41 | 2020-08-20 | 2022-08-21 | Available |
| KI4EB | 10 | 45 | 2012-03-03 | 2014-03-04 | Available |
| KI4EC | 10 | 47 | 2024-03-05 | 2026-03-06 | Available |
| KI4ED | 10 | 43 | 2034-08-01 | — | Active |