District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KC4LC | 9 | 63 | 2025-06-19 | — | Active |
| KC4LD | 9 | 59 | — | — | Available |
| KC4LE | 9 | 53 | 2027-03-21 | — | Active |
| KC4LF | 9 | 61 | 2000-08-12 | 2002-08-13 | Available |
| KC4LG | 8 | 61 | 2015-07-27 | 2017-07-28 | Available |
| KC4LH | 9 | 59 | 2029-02-18 | — | Active (Vanity) |
| KC4LI | 10 | 55 | — | — | Available |
| KC4LJ | 10 | 65 | 2017-05-08 | 2019-05-09 | Available |
| KC4LK | 9 | 61 | — | — | Available |
| KC4LL | 9 | 61 | — | — | Available |
| KC4LM | 8 | 59 | 2025-04-26 | — | Active |
| KC4LN | 10 | 57 | 2025-04-26 | — | Active |
| KC4LO | 9 | 63 | — | — | Available |
| KC4LP | 9 | 63 | 2007-10-14 | 2009-10-15 | Available |
| KC4LQ | 9 | 65 | 1999-08-08 | 2001-08-09 | Available |
| KC4LR | 10 | 59 | 2034-06-04 | — | Active (Vanity) |
| KC4LS | 10 | 57 | 2008-08-29 | 2010-08-30 | Available |
| KC4LT | 9 | 55 | 2010-09-10 | 2012-09-11 | Available |
| KC4LU | 10 | 59 | 2024-03-22 | 2026-03-23 | Available |
| KC4LV | 9 | 61 | 2026-02-05 | — | Active |
| KC4LW | 9 | 61 | 2027-11-28 | — | Active |
| KC4LX | 9 | 63 | 2025-04-22 | — | Active |
| KC4LY | 9 | 65 | 2034-10-18 | — | Active |
| KC4LZ | 9 | 63 | 1998-08-02 | 2000-08-03 | Available |
| KC4MA | 8 | 55 | 2005-01-06 | 2007-01-07 | Available |
| KC4MB | 8 | 59 | 2033-03-23 | — | Active (Vanity) |
| KC4MC | 8 | 61 | 2029-09-27 | — | Active (Vanity) |
| KC4MD | 8 | 57 | 2015-07-17 | 2017-07-18 | Available |
| KC4ME | 8 | 51 | 2025-11-13 | — | Active |
| KC4MF | 8 | 59 | — | — | Available |
| KC4MG | 7 | 59 | 2026-02-25 | — | Active (Vanity) |
| KC4MH | 8 | 57 | 2036-09-16 | — | Active |
| KC4MI | 9 | 53 | 2028-12-16 | — | Active |
| KC4MJ | 9 | 63 | — | — | Available |
| KC4MK | 8 | 59 | 2035-04-19 | — | Active |
| KC4ML | 8 | 59 | — | — | Available |
| KC4MM | 7 | 57 | 2021-12-30 | 2023-12-31 | Available |
| KC4MN | 9 | 55 | 2022-10-27 | 2024-10-28 | Available |
| KC4MO | 8 | 61 | 2034-12-12 | — | Active |
| KC4MP | 8 | 61 | 2012-07-09 | 2014-07-10 | Available |
| KC4MQ | 8 | 63 | 2014-01-18 | 2016-01-19 | Available |
| KC4MR | 9 | 57 | 2005-07-24 | 2007-07-25 | Available |
| KC4MS | 9 | 55 | — | — | Available |
| KC4MT | 8 | 53 | — | — | Available |
| KC4MU | 9 | 57 | 2025-02-11 | — | Active |
| KC4MV | 8 | 59 | — | — | Available |
| KC4MW | 8 | 59 | — | — | Available |
| KC4MX | 8 | 61 | — | — | Available |
| KC4MY | 8 | 63 | 2024-07-16 | 2026-07-17 | Available |
| KC4MZ | 8 | 61 | — | — | Available |
| KC4NA | 10 | 53 | — | — | Available |
| KC4NB | 10 | 57 | 2035-11-28 | — | Active |
| KC4NC | 10 | 59 | 2027-03-12 | — | Active (Vanity) |
| KC4ND | 10 | 55 | 2035-06-14 | — | Active |
| KC4NE | 10 | 49 | — | — | Available |
| KC4NF | 10 | 57 | — | — | Available |
| KC4NG | 9 | 57 | — | — | Available |
| KC4NH | 10 | 55 | — | — | Available |
| KC4NI | 11 | 51 | — | — | Available |
| KC4NJ | 11 | 61 | — | — | Available |
| KC4NK | 10 | 57 | 2027-03-11 | — | Active |
| KC4NL | 10 | 57 | 1999-03-11 | 2001-03-12 | Available |
| KC4NM | 9 | 55 | — | — | Available |
| KC4NN | 11 | 53 | 2014-08-23 | 2016-08-24 | Available |
| KC4NO | 10 | 59 | 2034-11-13 | — | Active (Vanity) |
| KC4NP | 10 | 59 | 2025-06-20 | — | Active |
| KC4NQ | 10 | 61 | — | — | Available |
| KC4NR | 11 | 55 | — | — | Available |
| KC4NS | 11 | 53 | — | — | Available |
| KC4NT | 10 | 51 | — | — | Available |
| KC4NU | 11 | 55 | 2005-02-28 | 2007-03-01 | Available |
| KC4NV | 10 | 57 | 2002-10-22 | 2004-10-23 | Available |
| KC4NW | 10 | 57 | 2033-03-13 | — | Active (Vanity) |
| KC4NX | 10 | 59 | 2033-11-09 | — | Active (Vanity) |
| KC4NY | 10 | 61 | 2028-04-16 | — | Active |
| KC4NZ | 10 | 59 | — | — | Available |
| KC4OA | 9 | 59 | — | — | Available |
| KC4OB | 9 | 63 | — | — | Available |
| KC4OC | 9 | 65 | 2000-06-05 | 2002-06-06 | Available |
| KC4OD | 9 | 61 | — | — | Available |
| KC4OE | 9 | 55 | 2005-09-28 | 2007-09-29 | Available |
| KC4OF | 9 | 63 | — | — | Available |
| KC4OG | 8 | 63 | 2032-07-09 | — | Active (Vanity) |
| KC4OH | 9 | 61 | — | — | Available |
| KC4OI | 10 | 57 | 2010-09-11 | 2012-09-12 | Available |
| KC4OJ | 10 | 67 | 2030-10-30 | — | Active |
| KC4OK | 9 | 63 | 2028-04-13 | — | Active (Vanity) |
| KC4OL | 9 | 63 | — | — | Available |
| KC4OM | 8 | 61 | 2016-03-05 | 2018-03-06 | Available |
| KC4ON | 10 | 59 | 2025-09-11 | — | Active |
| KC4OO | 9 | 65 | 2024-05-31 | 2026-06-01 | Available |
| KC4OP | 9 | 65 | 2016-02-09 | 2018-02-10 | Available |
| KC4OQ | 9 | 67 | 2006-07-05 | 2008-07-06 | Available |
| KC4OR | 10 | 61 | 2023-06-22 | 2025-06-23 | Available |
| KC4OS | 10 | 59 | 2036-02-12 | — | Active (Vanity) |
| KC4OT | 9 | 57 | — | — | Available |
| KC4OU | 10 | 61 | 2029-03-09 | — | Active (Vanity) |
| KC4OV | 9 | 63 | 2028-04-27 | — | Active |
| KC4OW | 9 | 63 | 2004-05-31 | 2006-06-01 | Available |
| KC4OX | 9 | 65 | 2015-03-29 | 2017-03-30 | Available |