District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AJ4WU | 11 | 57 | 2029-02-12 | — | Active |
| AJ4WV | 10 | 59 | 2010-04-17 | 2012-04-18 | Available |
| AJ4WW | 10 | 59 | 2014-09-09 | 2016-09-10 | Available |
| AJ4WX | 10 | 61 | 2011-01-25 | 2013-01-26 | Available |
| AJ4WY | 10 | 63 | 2030-03-22 | — | Active |
| AJ4WZ | 10 | 61 | 2029-10-16 | — | Active |
| AJ4XA | 10 | 57 | 2030-03-22 | — | Active |
| AJ4XB | 10 | 61 | 2034-12-12 | — | Active |
| AJ4XC | 10 | 63 | 2030-03-22 | — | Active |
| AJ4XD | 10 | 59 | 2028-07-31 | — | Active |
| AJ4XE | 10 | 53 | 2030-03-24 | — | Active |
| AJ4XF | 10 | 61 | 2030-03-24 | — | Active |
| AJ4XG | 9 | 61 | 2027-10-24 | — | Active |
| AJ4XH | 10 | 59 | 2028-09-27 | — | Active |
| AJ4XI | 11 | 55 | 2030-03-25 | — | Active |
| AJ4XJ | 11 | 65 | 2029-11-23 | — | Active |
| AJ4XK | 10 | 61 | 2029-11-20 | — | Active |
| AJ4XL | 10 | 61 | 2024-03-05 | 2026-03-06 | Available |
| AJ4XM | 9 | 59 | 2030-03-26 | — | Active |
| AJ4XN | 11 | 57 | 2014-11-18 | 2016-11-19 | Available |
| AJ4XO | 10 | 63 | 2020-02-08 | 2022-02-09 | Available |
| AJ4XP | 10 | 63 | 2017-07-18 | 2019-07-19 | Available |
| AJ4XQ | 10 | 65 | 2029-08-11 | — | Active |
| AJ4XR | 11 | 59 | 2010-04-27 | 2012-04-28 | Available |
| AJ4XS | 11 | 57 | 2028-10-21 | — | Active |
| AJ4XT | 10 | 55 | 2030-04-05 | — | Active |
| AJ4XU | 11 | 59 | 2030-06-04 | — | Active |
| AJ4XV | 10 | 61 | 2035-05-03 | — | Active |
| AJ4XW | 10 | 61 | 2029-04-08 | — | Active |
| AJ4XX | 10 | 63 | 2031-10-23 | — | Active |
| AJ4XY | 10 | 65 | 2010-04-30 | 2012-05-01 | Available |
| AJ4XZ | 10 | 63 | 2011-06-10 | 2013-06-11 | Available |
| AJ4YA | 10 | 59 | 2029-10-29 | — | Active |
| AJ4YB | 10 | 63 | 2036-02-12 | — | Active |
| AJ4YC | 10 | 65 | 2010-05-01 | 2012-05-02 | Available |
| AJ4YD | 10 | 61 | 2029-01-27 | — | Active |
| AJ4YE | 10 | 55 | 2027-12-12 | — | Active |
| AJ4YF | 10 | 63 | 2010-05-11 | 2012-05-12 | Available |
| AJ4YG | 9 | 63 | 2030-03-16 | — | Active |
| AJ4YH | 10 | 61 | 2030-01-27 | — | Active |
| AJ4YI | 11 | 57 | 2030-02-16 | — | Active |
| AJ4YJ | 11 | 67 | 2033-11-07 | — | Active (Vanity) |
| AJ4YK | 10 | 63 | 2030-04-13 | — | Active |
| AJ4YL | 10 | 63 | 2011-04-30 | 2013-05-01 | Available |
| AJ4YM | 9 | 61 | 2010-07-27 | 2012-07-28 | Available |
| AJ4YN | 11 | 59 | 2030-04-19 | — | Active |
| AJ4YO | 10 | 65 | 2010-05-18 | 2012-05-19 | Available |
| AJ4YP | 10 | 65 | 2010-05-11 | 2012-05-12 | Available |
| AJ4YQ | 10 | 67 | 2030-02-26 | — | Active |
| AJ4YR | 11 | 61 | 2019-07-07 | 2021-07-08 | Available |
| AJ4YS | 11 | 59 | 2030-02-08 | — | Active |
| AJ4YT | 10 | 57 | 2020-04-30 | 2022-05-01 | Available |
| AJ4YU | 11 | 61 | 2020-04-30 | 2022-05-01 | Available |
| AJ4YV | 10 | 63 | 2030-04-30 | — | Active |
| AJ4YW | 10 | 63 | 2028-11-03 | — | Active (Vanity) |
| AJ4YX | 10 | 65 | 2030-05-07 | — | Active |
| AJ4YY | 10 | 67 | 2020-05-10 | 2022-05-11 | Available |
| AJ4YZ | 10 | 65 | 2030-03-29 | — | Active |
| AJ4ZA | 10 | 57 | 2028-01-23 | — | Active |
| AJ4ZB | 10 | 61 | 2029-11-30 | — | Active |
| AJ4ZC | 10 | 63 | 2030-05-13 | — | Active |
| AJ4ZD | 10 | 59 | 2020-05-13 | 2022-05-14 | Available |
| AJ4ZE | 10 | 53 | 2010-06-04 | 2012-06-05 | Available |
| AJ4ZF | 10 | 61 | 2030-06-11 | — | Active |
| AJ4ZG | 9 | 61 | 2030-02-22 | — | Active |
| AJ4ZH | 10 | 59 | 2030-08-25 | — | Active |
| AJ4ZI | 11 | 55 | 2018-12-04 | 2020-12-05 | Available |
| AJ4ZJ | 11 | 65 | 2030-05-06 | — | Active |
| AJ4ZK | 10 | 61 | 2020-07-24 | 2022-07-25 | Available |
| AJ4ZL | 10 | 61 | 2029-12-01 | — | Active |
| AJ4ZM | 9 | 59 | 2010-07-10 | 2012-07-11 | Available |
| AJ4ZN | 11 | 57 | 2029-04-30 | — | Active |
| AJ4ZO | 10 | 63 | 2030-03-22 | — | Active |
| AJ4ZP | 10 | 63 | 2027-03-14 | — | Active |
| AJ4ZQ | 10 | 65 | 2030-06-22 | — | Active |
| AJ4ZR | 11 | 59 | 2030-01-14 | — | Active |
| AJ4ZS | 11 | 57 | 2030-06-07 | — | Active |
| AJ4ZT | 10 | 55 | 2027-07-17 | — | Active |
| AJ4ZU | 11 | 59 | 2030-03-22 | — | Active |
| AJ4ZV | 10 | 61 | 2029-09-14 | — | Active |
| AJ4ZW | 10 | 61 | 2030-06-14 | — | Active |
| AJ4ZX | 10 | 63 | 2030-06-30 | — | Active |
| AJ4ZY | 10 | 65 | 2020-05-10 | 2022-05-11 | Available |
| AJ4ZZ | 10 | 63 | 2030-05-04 | — | Active |
| AK4AA | 9 | 47 | 2031-02-02 | — | Active (Vanity) |
| AK4AB | 9 | 51 | 2030-06-28 | — | Active |
| AK4AC | 9 | 53 | 2027-02-27 | — | Active |
| AK4AD | 9 | 49 | 2029-08-14 | — | Active |
| AK4AE | 9 | 43 | 2030-05-17 | — | Active |
| AK4AF | 9 | 51 | 2013-05-31 | 2015-06-01 | Available |
| AK4AG | 8 | 51 | 2027-12-28 | — | Active |
| AK4AH | 9 | 49 | 2030-06-13 | — | Active |
| AK4AI | 10 | 45 | 2013-07-16 | 2015-07-17 | Available |
| AK4AJ | 10 | 55 | 2025-05-09 | 2027-05-10 | Canceled (grace period) |
| AK4AK | 9 | 51 | 2027-12-23 | — | Active (Vanity) |
| AK4AL | 9 | 51 | 2029-04-17 | — | Active (Vanity) |
| AK4AM | 8 | 49 | 2031-03-19 | — | Active (Vanity) |
| AK4AN | 10 | 47 | 2036-04-17 | — | Active (Vanity) |
| AK4AO | 9 | 53 | 2030-06-14 | — | Active |
| AK4AP | 9 | 53 | 2034-08-17 | — | Active |