District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KM4KU | 9 | 55 | — | — | Available |
| KM4KV | 8 | 57 | 2006-05-23 | 2008-05-24 | Available |
| KM4KW | 8 | 57 | 2028-08-20 | — | Active |
| KM4KX | 8 | 59 | 2007-04-24 | 2009-04-25 | Available |
| KM4KY | 8 | 61 | 2035-03-20 | — | Active |
| KM4KZ | 8 | 59 | 2010-01-07 | 2012-01-08 | Available |
| KM4LA | 8 | 53 | 2028-07-24 | — | Active |
| KM4LB | 8 | 57 | 2028-07-24 | — | Active |
| KM4LC | 8 | 59 | 2032-04-21 | — | Active |
| KM4LD | 8 | 55 | 2021-05-03 | 2023-05-04 | Available |
| KM4LE | 8 | 49 | 2028-11-25 | — | Active |
| KM4LF | 8 | 57 | 1998-12-06 | 2000-12-07 | Available |
| KM4LG | 7 | 57 | 1998-12-06 | 2000-12-07 | Available |
| KM4LH | 8 | 55 | 1998-12-06 | 2000-12-07 | Available |
| KM4LI | 9 | 51 | 2008-09-01 | 2010-09-02 | Available |
| KM4LJ | 9 | 61 | 2034-03-01 | — | Active (Vanity) |
| KM4LK | 8 | 57 | 2017-05-12 | 2019-05-13 | Available |
| KM4LL | 8 | 57 | 1998-10-27 | 2000-10-28 | Available |
| KM4LM | 7 | 55 | 2018-09-23 | 2020-09-24 | Available |
| KM4LN | 9 | 53 | 1998-12-13 | 2000-12-14 | Available |
| KM4LO | 8 | 59 | 2031-05-14 | — | Active |
| KM4LP | 8 | 59 | 1999-10-24 | 2001-10-25 | Available |
| KM4LQ | 8 | 61 | 2028-08-25 | — | Active |
| KM4LR | 9 | 55 | — | — | Available |
| KM4LS | 9 | 53 | 2028-05-04 | — | Active |
| KM4LT | 8 | 51 | 2024-07-14 | 2026-07-15 | Available |
| KM4LU | 9 | 55 | — | — | Available |
| KM4LV | 8 | 57 | — | — | Available |
| KM4LW | 8 | 57 | 2030-05-01 | — | Active |
| KM4LX | 8 | 59 | — | — | Available |
| KM4LY | 8 | 61 | — | — | Available |
| KM4LZ | 8 | 59 | 2008-10-05 | 2010-10-06 | Available |
| KM4MA | 7 | 51 | 2032-02-05 | — | Active (Vanity) |
| KM4MB | 7 | 55 | 2036-01-16 | — | Active (Vanity) |
| KM4MC | 7 | 57 | 2030-02-28 | — | Active (Vanity) |
| KM4MD | 7 | 53 | 2028-09-29 | — | Active (Vanity) |
| KM4ME | 7 | 47 | 1997-09-17 | 1999-09-18 | Available |
| KM4MF | 7 | 55 | 2002-03-29 | 2004-03-30 | Available |
| KM4MG | 6 | 55 | — | — | Available |
| KM4MH | 7 | 53 | 2014-03-15 | 2016-03-16 | Available |
| KM4MI | 8 | 49 | 2033-06-25 | — | Active (Vanity) |
| KM4MJ | 8 | 59 | 2008-12-22 | 2010-12-23 | Available |
| KM4MK | 7 | 55 | 2035-05-23 | — | Active (Vanity) |
| KM4ML | 7 | 55 | 2031-03-30 | — | Active (Vanity) |
| KM4MM | 6 | 53 | 2032-04-28 | — | Active |
| KM4MN | 8 | 51 | 2028-12-22 | — | Active |
| KM4MO | 7 | 57 | 2020-01-16 | 2022-01-17 | Available |
| KM4MP | 7 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KM4MQ | 7 | 59 | — | — | Available |
| KM4MR | 8 | 53 | — | — | Available |
| KM4MS | 8 | 51 | 2008-09-18 | 2010-09-19 | Available |
| KM4MT | 7 | 49 | 2034-05-10 | — | Active (Vanity) |
| KM4MU | 8 | 53 | — | — | Available |
| KM4MV | 7 | 55 | 2002-05-12 | 2004-05-13 | Available |
| KM4MW | 7 | 55 | 2009-01-03 | 2011-01-04 | Available |
| KM4MX | 7 | 57 | — | — | Available |
| KM4MY | 7 | 59 | 1997-10-28 | 1999-10-29 | Available |
| KM4MZ | 7 | 57 | 2008-11-24 | 2010-11-25 | Available |
| KM4NA | 9 | 49 | 2029-05-03 | — | Active |
| KM4NB | 9 | 53 | 2026-11-15 | — | Active |
| KM4NC | 9 | 55 | 2034-11-22 | — | Active (Vanity) |
| KM4ND | 9 | 51 | 2027-05-06 | — | Active (Vanity) |
| KM4NE | 9 | 45 | 2022-03-10 | 2024-03-11 | Available |
| KM4NF | 9 | 53 | 1998-09-02 | 2000-09-03 | Available |
| KM4NG | 8 | 53 | 2008-12-15 | 2010-12-16 | Available |
| KM4NH | 9 | 51 | — | — | Available |
| KM4NI | 10 | 47 | 2021-10-15 | 2023-10-16 | Available |
| KM4NJ | 10 | 57 | — | — | Available |
| KM4NK | 9 | 53 | — | — | Available |
| KM4NL | 9 | 53 | 2010-01-30 | 2012-01-31 | Available |
| KM4NM | 8 | 51 | 1999-01-31 | 2001-02-01 | Available |
| KM4NN | 10 | 49 | 2029-08-13 | — | Active |
| KM4NO | 9 | 55 | 2029-05-06 | — | Active |
| KM4NP | 9 | 55 | — | — | Available |
| KM4NQ | 9 | 57 | 2009-04-09 | 2011-04-10 | Available |
| KM4NR | 10 | 51 | 2008-04-05 | 2010-04-06 | Available |
| KM4NS | 10 | 49 | 2029-01-12 | — | Active |
| KM4NT | 9 | 47 | 2030-08-14 | — | Active |
| KM4NU | 10 | 51 | 2028-11-16 | — | Active |
| KM4NV | 9 | 53 | 2008-12-15 | 2010-12-16 | Available |
| KM4NW | 9 | 53 | 2003-04-14 | 2005-04-15 | Available |
| KM4NX | 9 | 55 | 2018-10-20 | 2020-10-21 | Available |
| KM4NY | 9 | 57 | 2031-08-20 | — | Active |
| KM4NZ | 9 | 55 | 2002-03-21 | 2004-03-22 | Available |
| KM4OA | 8 | 55 | 2030-04-09 | — | Active (Vanity) |
| KM4OB | 8 | 59 | 2028-12-17 | — | Active |
| KM4OC | 8 | 61 | 2022-04-07 | 2024-04-08 | Available |
| KM4OD | 8 | 57 | 2016-02-26 | 2018-02-27 | Available |
| KM4OE | 8 | 51 | 2017-06-06 | 2019-06-07 | Available |
| KM4OF | 8 | 59 | 2032-06-09 | — | Active |
| KM4OG | 7 | 59 | 2028-07-23 | — | Active |
| KM4OH | 8 | 57 | 2015-05-30 | 2017-05-31 | Available |
| KM4OI | 9 | 53 | 2029-11-24 | — | Active |
| KM4OJ | 9 | 63 | 1999-04-11 | 2001-04-12 | Available |
| KM4OK | 8 | 59 | 2029-03-12 | — | Active |
| KM4OL | 8 | 59 | 2028-10-22 | — | Active |
| KM4OM | 7 | 57 | 2028-09-29 | — | Active |
| KM4ON | 9 | 55 | 2032-06-16 | — | Active |
| KM4OO | 8 | 61 | 2030-03-24 | — | Active (Vanity) |
| KM4OP | 8 | 61 | 2029-01-11 | — | Active |