District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KT4IQ | 10 | 51 | — | — | Available |
| KT4IR | 11 | 45 | 2034-10-18 | — | Active |
| KT4IS | 11 | 43 | — | — | Available |
| KT4IT | 10 | 41 | 2012-09-01 | 2014-09-02 | Available |
| KT4IU | 11 | 45 | 2006-01-12 | 2008-01-13 | Available |
| KT4IV | 10 | 47 | 2031-03-19 | — | Active |
| KT4IW | 10 | 47 | 2033-12-14 | — | Active |
| KT4IX | 10 | 49 | 2007-03-16 | 2009-03-17 | Available |
| KT4IY | 10 | 51 | 2002-06-17 | 2004-06-18 | Available |
| KT4IZ | 10 | 49 | 2024-06-18 | 2026-06-19 | Available |
| KT4JA | 10 | 53 | 2035-04-14 | — | Active (Vanity) |
| KT4JB | 10 | 57 | 2028-10-16 | — | Active (Vanity) |
| KT4JC | 10 | 59 | 2026-07-21 | — | Active (Vanity) |
| KT4JD | 10 | 55 | 2031-04-02 | — | Active |
| KT4JE | 10 | 49 | 2001-03-27 | 2003-03-28 | Available |
| KT4JF | 10 | 57 | 2036-01-22 | — | Active |
| KT4JG | 9 | 57 | 2005-09-12 | 2007-09-13 | Available |
| KT4JH | 10 | 55 | 2025-03-13 | — | Active |
| KT4JI | 11 | 51 | 2004-11-26 | 2006-11-27 | Available |
| KT4JJ | 11 | 61 | 2035-03-13 | — | Active (Vanity) |
| KT4JK | 10 | 57 | 2034-05-03 | — | Active |
| KT4JL | 10 | 57 | 2036-02-06 | — | Active |
| KT4JM | 9 | 55 | — | — | Available |
| KT4JN | 11 | 53 | 1998-10-05 | 2000-10-06 | Available |
| KT4JO | 10 | 59 | 2025-06-09 | — | Active |
| KT4JP | 10 | 59 | — | — | Available |
| KT4JQ | 10 | 61 | 2026-01-24 | — | Active |
| KT4JR | 11 | 55 | 2031-11-15 | — | Active (Vanity) |
| KT4JS | 11 | 53 | 2034-09-19 | — | Active |
| KT4JT | 10 | 51 | 2024-11-14 | — | Active (Vanity) |
| KT4JU | 11 | 55 | 2025-08-24 | — | Active |
| KT4JV | 10 | 57 | 2013-07-27 | 2015-07-28 | Available |
| KT4JW | 10 | 57 | 2031-08-06 | — | Active |
| KT4JX | 10 | 59 | 2035-09-22 | — | Active |
| KT4JY | 10 | 61 | 2028-10-28 | — | Active |
| KT4JZ | 10 | 59 | 2024-08-09 | 2026-08-10 | Available |
| KT4KA | 9 | 49 | 2021-12-30 | 2023-12-31 | Available |
| KT4KB | 9 | 53 | 2026-05-19 | 2028-05-20 | Canceled (grace period) |
| KT4KC | 9 | 55 | 2035-03-29 | — | Active |
| KT4KD | 9 | 51 | 2023-07-06 | 2025-07-07 | Available |
| KT4KE | 9 | 45 | — | — | Available |
| KT4KF | 9 | 53 | 2035-06-07 | — | Active |
| KT4KG | 8 | 53 | 2035-11-07 | — | Active |
| KT4KH | 9 | 51 | 2033-12-28 | — | Active |
| KT4KI | 10 | 47 | 2034-12-12 | — | Active |
| KT4KJ | 10 | 57 | 2014-02-08 | 2016-02-09 | Available |
| KT4KK | 9 | 53 | — | — | Available |
| KT4KL | 9 | 53 | 2026-01-12 | — | Active |
| KT4KM | 8 | 51 | 1999-11-04 | 2001-11-05 | Available |
| KT4KN | 10 | 49 | 2016-03-11 | 2018-03-12 | Available |
| KT4KO | 9 | 55 | 2006-02-13 | 2008-02-14 | Available |
| KT4KP | 9 | 55 | 2034-03-02 | — | Active |
| KT4KQ | 9 | 57 | 2014-11-18 | 2016-11-19 | Available |
| KT4KR | 10 | 51 | 2035-04-08 | — | Active |
| KT4KS | 10 | 49 | 2035-11-22 | — | Active |
| KT4KT | 9 | 47 | 2036-09-01 | — | Active (Vanity) |
| KT4KU | 10 | 51 | 2002-12-29 | 2004-12-30 | Available |
| KT4KV | 9 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KT4KW | 9 | 53 | 2032-05-05 | — | Active |
| KT4KX | 9 | 55 | — | — | Available |
| KT4KY | 9 | 57 | — | — | Available |
| KT4KZ | 9 | 55 | 2024-05-31 | 2026-06-01 | Available |
| KT4LA | 9 | 49 | 2010-03-26 | 2012-03-27 | Available |
| KT4LB | 9 | 53 | 2033-11-23 | — | Active |
| KT4LC | 9 | 55 | 2016-08-21 | 2018-08-22 | Available |
| KT4LD | 9 | 51 | — | — | Available |
| KT4LE | 9 | 45 | 2009-03-07 | 2011-03-08 | Available |
| KT4LF | 9 | 53 | 2025-09-07 | — | Active |
| KT4LG | 8 | 53 | 2036-03-07 | — | Active |
| KT4LH | 9 | 51 | 2035-01-24 | — | Active |
| KT4LI | 10 | 47 | 2016-11-14 | 2018-11-15 | Available |
| KT4LJ | 10 | 57 | 2033-04-20 | — | Active |
| KT4LK | 9 | 53 | — | — | Available |
| KT4LL | 9 | 53 | — | — | Available |
| KT4LM | 8 | 51 | — | — | Available |
| KT4LN | 10 | 49 | 2034-09-12 | — | Active |
| KT4LO | 9 | 55 | 2026-02-27 | — | Active |
| KT4LP | 9 | 55 | 2012-06-02 | 2014-06-03 | Available |
| KT4LQ | 9 | 57 | — | — | Available |
| KT4LR | 10 | 51 | 2033-10-19 | — | Active |
| KT4LS | 10 | 49 | 2033-12-28 | — | Active (Vanity) |
| KT4LT | 9 | 47 | 2034-07-16 | — | Active |
| KT4LU | 10 | 51 | — | — | Available |
| KT4LV | 9 | 53 | 2036-03-10 | — | Active |
| KT4LW | 9 | 53 | 2035-09-30 | — | Active |
| KT4LX | 9 | 55 | 2005-08-31 | 2007-09-01 | Available |
| KT4LY | 9 | 57 | — | — | Available |
| KT4LZ | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KT4MA | 8 | 47 | 2023-07-20 | 2025-07-21 | Available |
| KT4MB | 8 | 51 | 2031-12-03 | — | Active |
| KT4MC | 8 | 53 | 2036-10-21 | — | Active (Vanity) |
| KT4MD | 8 | 49 | 2034-11-08 | — | Active |
| KT4ME | 8 | 43 | 2030-09-29 | — | Active (Vanity) |
| KT4MF | 8 | 51 | — | — | Available |
| KT4MG | 7 | 51 | 2014-04-12 | 2016-04-13 | Available |
| KT4MH | 8 | 49 | — | — | Available |
| KT4MI | 9 | 45 | 2031-07-30 | — | Active |
| KT4MJ | 9 | 55 | 2034-11-08 | — | Active (Vanity) |
| KT4MK | 8 | 51 | — | — | Available |
| KT4ML | 8 | 51 | 2034-10-21 | — | Active (Vanity) |