District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KD4MA | 8 | 51 | 2028-06-01 | — | Active |
| KD4MB | 8 | 55 | 2037-01-18 | — | Active (Vanity) |
| KD4MC | 8 | 57 | 2034-12-02 | — | Active (Vanity) |
| KD4MD | 8 | 53 | 2036-02-12 | — | Active |
| KD4ME | 8 | 47 | 2017-05-01 | 2019-05-02 | Available |
| KD4MF | 8 | 55 | — | — | Available |
| KD4MG | 7 | 55 | 2027-07-24 | — | Active (Vanity) |
| KD4MH | 8 | 53 | 2007-11-18 | 2009-11-19 | Available |
| KD4MI | 9 | 49 | — | — | Available |
| KD4MJ | 9 | 59 | 2006-01-27 | 2008-01-28 | Available |
| KD4MK | 8 | 55 | 2006-07-02 | 2008-07-03 | Available |
| KD4ML | 8 | 55 | 2033-02-16 | — | Active |
| KD4MM | 7 | 53 | 2030-12-29 | — | Active (Vanity) |
| KD4MN | 9 | 51 | 2024-03-05 | 2026-03-06 | Available |
| KD4MO | 8 | 57 | — | — | Available |
| KD4MP | 8 | 57 | 2025-07-11 | — | Active |
| KD4MQ | 8 | 59 | — | — | Available |
| KD4MR | 9 | 53 | 2026-02-27 | — | Active |
| KD4MS | 9 | 51 | 2026-05-24 | — | Active |
| KD4MT | 8 | 49 | 2025-07-24 | — | Active (Vanity) |
| KD4MU | 9 | 53 | 2016-01-30 | 2018-01-31 | Available |
| KD4MV | 8 | 55 | 2036-05-15 | — | Active |
| KD4MW | 8 | 55 | 2036-02-10 | — | Active (Vanity) |
| KD4MX | 8 | 57 | 2001-08-21 | 2003-08-22 | Available |
| KD4MY | 8 | 59 | — | — | Available |
| KD4MZ | 8 | 57 | 2006-01-26 | 2008-01-27 | Available |
| KD4NA | 10 | 49 | 2028-08-24 | — | Active (Vanity) |
| KD4NB | 10 | 53 | — | — | Available |
| KD4NC | 10 | 55 | 2036-02-16 | — | Active |
| KD4ND | 10 | 51 | — | — | Available |
| KD4NE | 10 | 45 | — | — | Available |
| KD4NF | 10 | 53 | 2005-12-04 | 2007-12-05 | Available |
| KD4NG | 9 | 53 | 2025-11-28 | — | Active |
| KD4NH | 10 | 51 | 2029-06-03 | — | Active |
| KD4NI | 11 | 47 | — | — | Available |
| KD4NJ | 11 | 57 | — | — | Available |
| KD4NK | 10 | 53 | 2011-04-30 | 2013-05-01 | Available |
| KD4NL | 10 | 53 | 2033-12-14 | — | Active |
| KD4NM | 9 | 51 | 2000-12-08 | 2002-12-09 | Available |
| KD4NN | 11 | 49 | — | — | Available |
| KD4NO | 10 | 55 | 2007-12-05 | 2009-12-06 | Available |
| KD4NP | 10 | 55 | — | — | Available |
| KD4NQ | 10 | 57 | — | — | Available |
| KD4NR | 11 | 51 | — | — | Available |
| KD4NS | 11 | 49 | — | — | Available |
| KD4NT | 10 | 47 | 2033-08-04 | — | Active (Vanity) |
| KD4NU | 11 | 51 | 2017-09-27 | 2019-09-28 | Available |
| KD4NV | 10 | 53 | — | — | Available |
| KD4NW | 10 | 53 | 2007-02-06 | 2009-02-07 | Available |
| KD4NX | 10 | 55 | 2010-12-17 | 2012-12-18 | Available |
| KD4NY | 10 | 57 | 2002-03-03 | 2004-03-04 | Available |
| KD4NZ | 10 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KD4OA | 9 | 55 | 2020-05-29 | 2022-05-30 | Available |
| KD4OB | 9 | 59 | 2006-04-11 | 2008-04-12 | Available |
| KD4OC | 9 | 61 | 2026-01-31 | — | Active |
| KD4OD | 9 | 57 | 2005-03-02 | 2007-03-03 | Available |
| KD4OE | 9 | 51 | 2034-01-18 | — | Active |
| KD4OF | 9 | 59 | 2026-04-23 | — | Active |
| KD4OG | 8 | 59 | 2032-04-26 | — | Active (Vanity) |
| KD4OH | 9 | 57 | 2006-02-16 | 2008-02-17 | Available |
| KD4OI | 10 | 53 | — | — | Available |
| KD4OJ | 10 | 63 | 2028-03-17 | — | Active |
| KD4OK | 9 | 59 | 2028-11-24 | — | Active |
| KD4OL | 9 | 59 | 2009-05-29 | 2011-05-30 | Available |
| KD4OM | 8 | 57 | 2007-08-07 | 2009-08-08 | Available |
| KD4ON | 10 | 55 | 2024-03-08 | 2026-03-09 | Available |
| KD4OO | 9 | 61 | — | — | Available |
| KD4OP | 9 | 61 | — | — | Available |
| KD4OQ | 9 | 63 | 2006-02-05 | 2008-02-06 | Available |
| KD4OR | 10 | 57 | 2027-05-09 | — | Active |
| KD4OS | 10 | 55 | 2028-12-02 | — | Active |
| KD4OT | 9 | 53 | — | — | Available |
| KD4OU | 10 | 57 | 2013-02-02 | 2015-02-03 | Available |
| KD4OV | 9 | 59 | 2017-09-06 | 2019-09-07 | Available |
| KD4OW | 9 | 59 | 2000-05-29 | 2002-05-30 | Available |
| KD4OX | 9 | 61 | — | — | Available |
| KD4OY | 9 | 63 | — | — | Available |
| KD4OZ | 9 | 61 | 2016-01-11 | 2018-01-12 | Available |
| KD4PA | 9 | 55 | 2016-09-05 | 2018-09-06 | Available |
| KD4PB | 9 | 59 | 2005-01-17 | 2007-01-18 | Available |
| KD4PC | 9 | 61 | 2033-02-16 | — | Active |
| KD4PD | 9 | 57 | 2004-11-02 | 2006-11-03 | Available |
| KD4PE | 9 | 51 | 2006-03-19 | 2008-03-20 | Available |
| KD4PF | 9 | 59 | — | — | Available |
| KD4PG | 8 | 59 | — | — | Available |
| KD4PH | 9 | 57 | 2016-03-19 | 2018-03-20 | Available |
| KD4PI | 10 | 53 | 2035-04-03 | — | Active |
| KD4PJ | 10 | 63 | 2028-04-29 | — | Active |
| KD4PK | 9 | 59 | 2033-11-09 | — | Active |
| KD4PL | 9 | 59 | — | — | Available |
| KD4PM | 8 | 57 | — | — | Available |
| KD4PN | 10 | 55 | — | — | Available |
| KD4PO | 9 | 61 | 1999-06-10 | 2001-06-11 | Available |
| KD4PP | 9 | 61 | 2029-02-12 | — | Active |
| KD4PQ | 9 | 63 | 2006-02-25 | 2008-02-26 | Available |
| KD4PR | 10 | 57 | — | — | Available |
| KD4PS | 10 | 55 | 2015-06-30 | 2017-07-01 | Available |
| KD4PT | 9 | 53 | 2033-02-17 | — | Active (Vanity) |
| KD4PU | 10 | 57 | — | — | Available |
| KD4PV | 9 | 59 | — | — | Available |