District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KR4KQ | 10 | 61 | 2024-03-05 | 2026-03-06 | Available |
| KR4KR | 11 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KR4KS | 11 | 53 | 2035-12-09 | — | Active (Vanity) |
| KR4KT | 10 | 51 | 1997-10-20 | 1999-10-21 | Available |
| KR4KU | 11 | 55 | 2034-01-22 | — | Active |
| KR4KV | 10 | 57 | — | — | Available |
| KR4KW | 10 | 57 | 2014-01-06 | 2016-01-07 | Available |
| KR4KX | 10 | 59 | 2034-01-04 | — | Active |
| KR4KY | 10 | 61 | 2024-03-05 | 2026-03-06 | Available |
| KR4KZ | 10 | 59 | 2036-03-11 | — | Active (Vanity) |
| KR4LA | 10 | 53 | 2004-01-04 | 2006-01-05 | Available |
| KR4LB | 10 | 57 | — | — | Available |
| KR4LC | 10 | 59 | 2034-12-18 | — | Active |
| KR4LD | 10 | 55 | 2014-01-04 | 2016-01-05 | Available |
| KR4LE | 10 | 49 | 2014-01-04 | 2016-01-05 | Available |
| KR4LF | 10 | 57 | 2004-01-04 | 2006-01-05 | Available |
| KR4LG | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KR4LH | 10 | 55 | 2035-01-14 | — | Active (Vanity) |
| KR4LI | 11 | 51 | 2036-01-03 | — | Active |
| KR4LJ | 11 | 61 | 2024-03-05 | 2026-03-06 | Available |
| KR4LK | 10 | 57 | 2034-01-04 | — | Active |
| KR4LL | 10 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KR4LM | 9 | 55 | — | — | Available |
| KR4LN | 11 | 53 | — | — | Available |
| KR4LO | 10 | 59 | 2034-01-18 | — | Active |
| KR4LP | 10 | 59 | — | — | Available |
| KR4LQ | 10 | 61 | 2025-07-13 | — | Active |
| KR4LR | 11 | 55 | 2034-01-18 | — | Active |
| KR4LS | 11 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KR4LT | 10 | 51 | 2025-04-08 | — | Active (Vanity) |
| KR4LU | 11 | 55 | 2034-01-18 | — | Active |
| KR4LV | 10 | 57 | 2004-01-18 | 2006-01-19 | Available |
| KR4LW | 10 | 57 | 2034-01-18 | — | Active |
| KR4LX | 10 | 59 | 2024-03-05 | 2026-03-06 | Available |
| KR4LY | 10 | 61 | 1999-06-02 | 2001-06-03 | Available |
| KR4LZ | 10 | 59 | 2004-01-18 | 2006-01-19 | Available |
| KR4MA | 9 | 51 | 2024-05-17 | 2026-05-18 | Available |
| KR4MB | 9 | 55 | 2014-01-18 | 2016-01-19 | Available |
| KR4MC | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KR4MD | 9 | 53 | 2034-01-18 | — | Active |
| KR4ME | 9 | 47 | 2014-01-18 | 2016-01-19 | Available |
| KR4MF | 9 | 55 | 2014-01-18 | 2016-01-19 | Available |
| KR4MG | 8 | 55 | 2007-02-24 | 2009-02-25 | Available |
| KR4MH | 9 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KR4MI | 10 | 49 | 2004-01-25 | 2006-01-26 | Available |
| KR4MJ | 10 | 59 | 2004-02-01 | 2006-02-02 | Available |
| KR4MK | 9 | 55 | 2031-09-08 | — | Active (Vanity) |
| KR4ML | 9 | 55 | 2036-09-22 | — | Active (Vanity) |
| KR4MM | 8 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KR4MN | 10 | 51 | — | — | Pending Application |
| KR4MO | 9 | 57 | 2034-02-01 | — | Active |
| KR4MP | 9 | 57 | — | — | Available |
| KR4MQ | 9 | 59 | 2016-12-11 | 2018-12-12 | Available |
| KR4MR | 10 | 53 | 1997-10-15 | 1999-10-16 | Available |
| KR4MS | 10 | 51 | 2034-02-01 | — | Active |
| KR4MT | 9 | 49 | 2034-02-01 | — | Active |
| KR4MU | 10 | 53 | 2034-04-30 | — | Active |
| KR4MV | 9 | 55 | — | — | Available |
| KR4MW | 9 | 55 | 2034-06-29 | — | Active |
| KR4MX | 9 | 57 | — | — | Available |
| KR4MY | 9 | 59 | 2004-02-08 | 2006-02-09 | Available |
| KR4MZ | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KR4NA | 11 | 49 | 2004-02-08 | 2006-02-09 | Available |
| KR4NB | 11 | 53 | 2002-12-31 | 2005-01-01 | Available |
| KR4NC | 11 | 55 | 2031-12-31 | — | Active (Vanity) |
| KR4ND | 11 | 51 | 2035-09-16 | — | Active (Vanity) |
| KR4NE | 11 | 45 | 2034-02-15 | — | Active |
| KR4NF | 11 | 53 | 2035-12-12 | — | Active (Vanity) |
| KR4NG | 10 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KR4NH | 11 | 51 | 2024-03-05 | 2026-03-06 | Available |
| KR4NI | 12 | 47 | 2004-02-15 | 2006-02-16 | Available |
| KR4NJ | 12 | 57 | 2035-08-26 | — | Active (Vanity) |
| KR4NK | 11 | 53 | — | — | Available |
| KR4NL | 11 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KR4NM | 10 | 51 | — | — | Available |
| KR4NN | 12 | 49 | 2014-02-15 | 2016-02-16 | Available |
| KR4NO | 11 | 55 | 2034-02-22 | — | Active |
| KR4NP | 11 | 55 | 2024-06-11 | 2026-06-12 | Available |
| KR4NQ | 11 | 57 | 2034-05-10 | — | Active |
| KR4NR | 12 | 51 | 2025-02-22 | — | Active |
| KR4NS | 12 | 49 | 2014-02-22 | 2016-02-23 | Available |
| KR4NT | 11 | 47 | — | — | Available |
| KR4NU | 12 | 51 | 2024-03-05 | 2026-03-06 | Available |
| KR4NV | 11 | 53 | 2034-02-22 | — | Active |
| KR4NW | 11 | 53 | 2034-02-22 | — | Active |
| KR4NX | 11 | 55 | — | — | Available |
| KR4NY | 11 | 57 | 1999-06-10 | 2001-06-11 | Available |
| KR4NZ | 11 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KR4OA | 10 | 55 | 2019-02-26 | 2021-02-27 | Available |
| KR4OB | 10 | 59 | 1999-03-11 | 2001-03-12 | Available |
| KR4OC | 10 | 61 | 2004-03-08 | 2006-03-09 | Available |
| KR4OD | 10 | 57 | 2036-09-19 | — | Active (Vanity) |
| KR4OE | 10 | 51 | 2020-02-25 | 2022-02-26 | Available |
| KR4OF | 10 | 59 | — | — | Available |
| KR4OG | 9 | 59 | — | — | Available |
| KR4OH | 10 | 57 | 2014-03-08 | 2016-03-09 | Available |
| KR4OI | 11 | 53 | 2034-03-08 | — | Active |
| KR4OJ | 11 | 63 | 2024-03-08 | 2026-03-09 | Available |
| KR4OK | 10 | 59 | 2028-12-23 | — | Active (Vanity) |
| KR4OL | 10 | 59 | 2034-03-08 | — | Active |