District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KI4LW | 10 | 53 | 2010-08-28 | 2012-08-29 | Available |
| KI4LX | 10 | 55 | — | — | Available |
| KI4LY | 10 | 57 | 2024-07-14 | 2026-07-15 | Available |
| KI4LZ | 10 | 55 | 1998-12-30 | 2000-12-31 | Available |
| KI4MA | 9 | 47 | — | — | Available |
| KI4MB | 9 | 51 | 2014-05-24 | 2016-05-25 | Available |
| KI4MC | 9 | 53 | — | — | Available |
| KI4MD | 9 | 49 | — | — | Available |
| KI4ME | 9 | 43 | 2014-05-31 | 2016-06-01 | Available |
| KI4MF | 9 | 51 | 2008-04-29 | 2010-04-30 | Available |
| KI4MG | 8 | 51 | 2007-07-03 | 2009-07-04 | Available |
| KI4MH | 9 | 49 | 2024-05-31 | 2026-06-01 | Available |
| KI4MI | 10 | 45 | 2024-05-17 | 2026-05-18 | Available |
| KI4MJ | 10 | 55 | 2018-02-27 | 2020-02-28 | Available |
| KI4MK | 9 | 51 | 2004-05-31 | 2006-06-01 | Available |
| KI4ML | 9 | 51 | 2005-03-21 | 2007-03-22 | Available |
| KI4MM | 8 | 49 | 2022-11-08 | 2024-11-09 | Available |
| KI4MN | 10 | 47 | — | — | Available |
| KI4MO | 9 | 53 | 2029-04-27 | — | Active (Vanity) |
| KI4MP | 9 | 53 | — | — | Available |
| KI4MQ | 9 | 55 | 2025-11-15 | — | Active |
| KI4MR | 10 | 49 | 2015-10-06 | 2017-10-07 | Available |
| KI4MS | 10 | 47 | 2028-12-07 | — | Active |
| KI4MT | 9 | 45 | 2004-07-15 | 2006-07-16 | Available |
| KI4MU | 10 | 49 | 2015-10-06 | 2017-10-07 | Available |
| KI4MV | 9 | 51 | 2024-05-24 | 2026-05-25 | Available |
| KI4MW | 9 | 51 | 2034-01-18 | — | Active |
| KI4MX | 9 | 53 | 1999-04-18 | 2001-04-19 | Available |
| KI4MY | 9 | 55 | — | — | Available |
| KI4MZ | 9 | 53 | 2024-07-09 | 2026-07-10 | Available |
| KI4NA | 11 | 45 | — | — | Available |
| KI4NB | 11 | 49 | 2004-07-09 | 2006-07-10 | Available |
| KI4NC | 11 | 51 | 2034-05-10 | — | Active (Vanity) |
| KI4ND | 11 | 47 | 2035-03-08 | — | Active |
| KI4NE | 11 | 41 | 2026-12-06 | — | Active |
| KI4NF | 11 | 49 | 2013-10-05 | 2015-10-06 | Available |
| KI4NG | 10 | 49 | 2031-05-11 | — | Active (Vanity) |
| KI4NH | 11 | 47 | — | — | Available |
| KI4NI | 12 | 43 | — | — | Available |
| KI4NJ | 12 | 53 | — | — | Available |
| KI4NK | 11 | 49 | 2035-02-16 | — | Active |
| KI4NL | 11 | 49 | 2033-03-01 | — | Active |
| KI4NM | 10 | 47 | 2013-02-16 | 2015-02-17 | Available |
| KI4NN | 12 | 45 | 2004-05-24 | 2006-05-25 | Available |
| KI4NO | 11 | 51 | 2004-01-04 | 2006-01-05 | Available |
| KI4NP | 11 | 51 | — | — | Available |
| KI4NQ | 11 | 53 | 2006-04-11 | 2008-04-12 | Available |
| KI4NR | 12 | 47 | 2034-11-11 | — | Active |
| KI4NS | 12 | 45 | 2023-06-22 | 2025-06-23 | Available |
| KI4NT | 11 | 43 | 2031-04-30 | — | Active (Vanity) |
| KI4NU | 12 | 47 | 2017-12-27 | 2019-12-28 | Available |
| KI4NV | 11 | 49 | 2034-07-20 | — | Active |
| KI4NW | 11 | 49 | 2032-12-22 | — | Active |
| KI4NX | 11 | 51 | 2002-06-17 | 2004-06-18 | Available |
| KI4NY | 11 | 53 | 2006-08-19 | 2008-08-20 | Available |
| KI4NZ | 11 | 51 | — | — | Available |
| KI4OA | 10 | 51 | 2022-07-14 | 2024-07-15 | Available |
| KI4OB | 10 | 55 | 2036-04-14 | — | Active |
| KI4OC | 10 | 57 | — | — | Available |
| KI4OD | 10 | 53 | 2003-06-01 | 2005-06-02 | Available |
| KI4OE | 10 | 47 | 2004-09-01 | 2006-09-02 | Available |
| KI4OF | 10 | 55 | 2005-05-08 | 2007-05-09 | Available |
| KI4OG | 9 | 55 | 2013-07-27 | 2015-07-28 | Available |
| KI4OH | 10 | 53 | — | — | Available |
| KI4OI | 11 | 49 | 2011-03-22 | 2013-03-23 | Available |
| KI4OJ | 11 | 59 | 2016-07-24 | 2018-07-25 | Available |
| KI4OK | 10 | 55 | 2028-04-16 | — | Active |
| KI4OL | 10 | 55 | — | — | Available |
| KI4OM | 9 | 53 | — | — | Available |
| KI4ON | 11 | 51 | — | — | Available |
| KI4OO | 10 | 57 | — | — | Available |
| KI4OP | 10 | 57 | 2019-06-28 | 2021-06-29 | Available |
| KI4OQ | 10 | 59 | — | — | Available |
| KI4OR | 11 | 53 | 2024-11-19 | 2026-11-20 | Canceled (grace period) |
| KI4OS | 11 | 51 | 2034-08-27 | — | Active |
| KI4OT | 10 | 49 | 2034-08-25 | — | Active |
| KI4OU | 11 | 53 | 2004-07-09 | 2006-07-10 | Available |
| KI4OV | 10 | 55 | 2011-06-18 | 2013-06-19 | Available |
| KI4OW | 10 | 55 | — | — | Available |
| KI4OX | 10 | 57 | 2013-06-18 | 2015-06-19 | Available |
| KI4OY | 10 | 59 | 2026-12-21 | — | Active |
| KI4OZ | 10 | 57 | 2036-08-05 | — | Active (Vanity) |
| KI4PA | 10 | 51 | 2034-07-23 | — | Active |
| KI4PB | 10 | 55 | 2014-06-16 | 2016-06-17 | Available |
| KI4PC | 10 | 57 | 2035-06-28 | — | Active |
| KI4PD | 10 | 53 | 2008-03-17 | 2010-03-18 | Available |
| KI4PE | 10 | 47 | — | — | Available |
| KI4PF | 10 | 55 | — | — | Available |
| KI4PG | 9 | 55 | 2026-12-08 | — | Active (Vanity) |
| KI4PH | 10 | 53 | 2003-03-25 | 2005-03-26 | Available |
| KI4PI | 11 | 49 | 2004-07-15 | 2006-07-16 | Available |
| KI4PJ | 11 | 59 | 2014-03-15 | 2016-03-16 | Available |
| KI4PK | 10 | 55 | 2018-05-04 | 2020-05-05 | Available |
| KI4PL | 10 | 55 | 1997-09-29 | 1999-09-30 | Available |
| KI4PM | 9 | 53 | — | — | Available |
| KI4PN | 11 | 51 | 2003-05-25 | 2005-05-26 | Available |
| KI4PO | 10 | 57 | 2036-09-13 | — | Active |
| KI4PP | 10 | 57 | — | — | Available |
| KI4PQ | 10 | 59 | 2004-05-31 | 2006-06-01 | Available |
| KI4PR | 11 | 53 | 1997-10-01 | 1999-10-02 | Available |