District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KX4IM | 9 | 53 | 2027-08-08 | — | Active |
| KX4IN | 11 | 51 | 2028-01-30 | — | Active |
| KX4IO | 10 | 57 | 2028-02-06 | — | Active |
| KX4IP | 10 | 57 | 2028-02-06 | — | Active |
| KX4IQ | 10 | 59 | 2027-11-13 | — | Active |
| KX4IR | 11 | 53 | 2018-05-01 | 2020-05-02 | Available |
| KX4IS | 11 | 51 | 2018-03-06 | 2020-03-07 | Available |
| KX4IT | 10 | 49 | 2028-02-21 | — | Active |
| KX4IU | 11 | 53 | 2027-10-24 | — | Active |
| KX4IV | 10 | 55 | 2026-12-05 | — | Active |
| KX4IW | 10 | 55 | 2028-02-21 | — | Active |
| KX4IX | 10 | 57 | 2018-03-13 | 2020-03-14 | Available |
| KX4IY | 10 | 59 | 2018-03-20 | 2020-03-21 | Available |
| KX4IZ | 10 | 57 | 2028-02-23 | — | Active |
| KX4JA | 10 | 61 | 2018-03-16 | 2020-03-17 | Available |
| KX4JB | 10 | 65 | 2028-02-28 | — | Active |
| KX4JC | 10 | 67 | 2028-02-28 | — | Active |
| KX4JD | 10 | 63 | 2028-02-28 | — | Active |
| KX4JE | 10 | 57 | 2034-04-02 | — | Active (Vanity) |
| KX4JF | 10 | 65 | 2019-05-03 | 2021-05-04 | Available |
| KX4JG | 9 | 65 | 2028-01-17 | — | Active |
| KX4JH | 10 | 63 | 2018-03-27 | 2020-03-28 | Available |
| KX4JI | 11 | 59 | 2027-08-02 | — | Active |
| KX4JJ | 11 | 69 | 2032-10-13 | — | Active |
| KX4JK | 10 | 65 | 2027-11-21 | — | Active (Vanity) |
| KX4JL | 10 | 65 | 2024-03-05 | 2026-03-06 | Available |
| KX4JM | 9 | 63 | 2024-03-05 | 2026-03-06 | Available |
| KX4JN | 11 | 61 | 2028-03-09 | — | Active |
| KX4JO | 10 | 67 | 2028-03-12 | — | Active |
| KX4JP | 10 | 67 | 2028-03-12 | — | Active |
| KX4JQ | 10 | 69 | 2018-03-30 | 2020-03-31 | Available |
| KX4JR | 11 | 63 | 2018-04-22 | 2020-04-23 | Available |
| KX4JS | 11 | 61 | 2018-04-13 | 2020-04-14 | Available |
| KX4JT | 10 | 59 | 2018-04-10 | 2020-04-11 | Available |
| KX4JU | 11 | 63 | 2036-03-24 | — | Active |
| KX4JV | 10 | 65 | 2028-01-23 | — | Active |
| KX4JW | 10 | 65 | 2027-11-25 | — | Active (Vanity) |
| KX4JX | 10 | 67 | 2028-03-23 | — | Active |
| KX4JY | 10 | 69 | 2028-03-23 | — | Active |
| KX4JZ | 10 | 67 | 2018-05-22 | 2020-05-23 | Available |
| KX4KA | 9 | 57 | 2026-03-27 | — | Active |
| KX4KB | 9 | 61 | 2027-09-22 | — | Active |
| KX4KC | 9 | 63 | 2018-05-19 | 2020-05-20 | Available |
| KX4KD | 9 | 59 | 2028-04-10 | — | Active |
| KX4KE | 9 | 53 | 2018-05-01 | 2020-05-02 | Available |
| KX4KF | 9 | 61 | 2018-05-01 | 2020-05-02 | Available |
| KX4KG | 8 | 61 | 2021-12-17 | 2023-12-18 | Available |
| KX4KH | 9 | 59 | 2028-01-12 | — | Active |
| KX4KI | 10 | 55 | 2018-05-04 | 2020-05-05 | Available |
| KX4KJ | 10 | 65 | 2034-07-07 | — | Active |
| KX4KK | 9 | 61 | 2018-05-05 | 2020-05-06 | Available |
| KX4KL | 9 | 61 | 2028-04-16 | — | Active |
| KX4KM | 8 | 59 | 2030-06-19 | — | Active (Vanity) |
| KX4KN | 10 | 57 | 2028-04-16 | — | Active |
| KX4KO | 9 | 63 | 2028-04-17 | — | Active |
| KX4KP | 9 | 63 | 2028-03-15 | — | Active |
| KX4KQ | 9 | 65 | 2028-04-20 | — | Active |
| KX4KR | 10 | 59 | 2028-01-25 | — | Active |
| KX4KS | 10 | 57 | 2028-02-09 | — | Active |
| KX4KT | 9 | 55 | 2028-04-06 | — | Active |
| KX4KU | 10 | 59 | 2022-04-30 | 2024-05-01 | Available |
| KX4KV | 9 | 61 | 2018-06-08 | 2020-06-09 | Available |
| KX4KW | 9 | 61 | 2018-05-22 | 2020-05-23 | Available |
| KX4KX | 9 | 63 | 2035-06-06 | — | Active (Vanity) |
| KX4KY | 9 | 65 | 2033-04-30 | — | Active |
| KX4KZ | 9 | 63 | 2028-02-09 | — | Active |
| KX4LA | 9 | 57 | 2036-08-21 | — | Active |
| KX4LB | 9 | 61 | 2028-02-27 | — | Active |
| KX4LC | 9 | 63 | 2028-05-10 | — | Active |
| KX4LD | 9 | 59 | 2028-07-15 | — | Active |
| KX4LE | 9 | 53 | 2018-10-27 | 2020-10-28 | Available |
| KX4LF | 9 | 61 | 2028-05-17 | — | Active |
| KX4LG | 8 | 61 | 2031-06-18 | — | Active |
| KX4LH | 9 | 59 | 2036-04-23 | — | Active |
| KX4LI | 10 | 55 | 2028-04-24 | — | Active |
| KX4LJ | 10 | 65 | 2028-05-23 | — | Active |
| KX4LK | 9 | 61 | 2027-06-20 | — | Active |
| KX4LL | 9 | 61 | 2028-02-21 | — | Active |
| KX4LM | 8 | 59 | 2028-06-04 | — | Active |
| KX4LN | 10 | 57 | 2000-09-19 | 2002-09-20 | Available |
| KX4LO | 9 | 63 | 2028-05-11 | — | Active |
| KX4LP | 9 | 63 | 2036-06-23 | — | Active |
| KX4LQ | 9 | 65 | 2028-06-21 | — | Active |
| KX4LR | 10 | 59 | 2028-06-21 | — | Active |
| KX4LS | 10 | 57 | 2028-06-21 | — | Active |
| KX4LT | 9 | 55 | 2018-07-24 | 2020-07-25 | Available |
| KX4LU | 10 | 59 | 2018-07-20 | 2020-07-21 | Available |
| KX4LV | 9 | 61 | 2018-07-17 | 2020-07-18 | Available |
| KX4LW | 9 | 61 | 2028-03-02 | — | Active |
| KX4LX | 9 | 63 | 2034-06-20 | — | Active |
| KX4LY | 9 | 65 | 2019-09-27 | 2021-09-28 | Available |
| KX4LZ | 9 | 63 | 2028-07-03 | — | Active |
| KX4MA | 8 | 55 | 2028-07-05 | — | Active |
| KX4MB | 8 | 59 | 2032-08-04 | — | Active (Vanity) |
| KX4MC | 8 | 61 | 2032-05-21 | — | Active (Vanity) |
| KX4MD | 8 | 57 | 2028-07-09 | — | Active |
| KX4ME | 8 | 51 | 2028-05-17 | — | Active |
| KX4MF | 8 | 59 | 2028-07-16 | — | Active |
| KX4MG | 7 | 59 | 2033-03-02 | — | Active |
| KX4MH | 8 | 57 | 2019-08-16 | 2021-08-17 | Available |