District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AA4XC | 9 | 55 | 2034-04-12 | — | Active |
| AA4XD | 9 | 51 | 2035-04-04 | — | Active (Vanity) |
| AA4XE | 9 | 45 | 2022-02-18 | 2024-02-19 | Available |
| AA4XF | 9 | 53 | 2032-03-18 | — | Active |
| AA4XG | 8 | 53 | 2033-02-15 | — | Active (Vanity) |
| AA4XH | 9 | 51 | 2036-08-01 | — | Active |
| AA4XI | 10 | 47 | — | — | Available |
| AA4XJ | 10 | 57 | 2026-09-11 | — | Active |
| AA4XK | 9 | 53 | — | — | Available |
| AA4XL | 9 | 53 | 2023-07-20 | 2025-07-21 | Available |
| AA4XM | 8 | 51 | 2035-12-30 | — | Active (Vanity) |
| AA4XN | 10 | 49 | 2036-04-02 | — | Active |
| AA4XO | 9 | 55 | — | — | Available |
| AA4XP | 9 | 55 | — | — | Available |
| AA4XQ | 9 | 57 | 2026-09-12 | — | Active |
| AA4XR | 10 | 51 | 2033-01-05 | — | Active |
| AA4XS | 10 | 49 | 2028-08-30 | — | Active (Vanity) |
| AA4XT | 9 | 47 | 2033-04-04 | — | Active (Vanity) |
| AA4XU | 10 | 51 | 2020-11-10 | 2022-11-11 | Available |
| AA4XV | 9 | 53 | 2028-01-13 | — | Active |
| AA4XW | 9 | 53 | 2006-08-08 | 2008-08-09 | Available |
| AA4XX | 9 | 55 | 2028-07-16 | — | Active |
| AA4XY | 9 | 57 | — | — | Available |
| AA4XZ | 9 | 55 | 2036-09-09 | — | Active |
| AA4YA | 9 | 51 | 2031-08-03 | — | Active (Vanity) |
| AA4YB | 9 | 55 | 2036-11-05 | — | Active |
| AA4YC | 9 | 57 | 2023-03-16 | 2025-03-17 | Available |
| AA4YD | 9 | 53 | 2024-05-18 | 2026-05-19 | Available |
| AA4YE | 9 | 47 | — | — | Available |
| AA4YF | 9 | 55 | — | — | Available |
| AA4YG | 8 | 55 | — | — | Available |
| AA4YH | 9 | 53 | 2036-10-21 | — | Active |
| AA4YI | 10 | 49 | 2009-02-25 | 2011-02-26 | Available |
| AA4YJ | 10 | 59 | 2010-07-13 | 2012-07-14 | Available |
| AA4YK | 9 | 55 | 2007-06-05 | 2009-06-06 | Available |
| AA4YL | 9 | 55 | 2022-05-17 | 2024-05-18 | Available |
| AA4YM | 8 | 53 | 2006-10-08 | 2008-10-09 | Available |
| AA4YN | 10 | 51 | 2006-10-16 | 2008-10-17 | Available |
| AA4YO | 9 | 57 | 2012-06-16 | 2014-06-17 | Available |
| AA4YP | 9 | 57 | — | — | Available |
| AA4YQ | 9 | 59 | 2034-02-22 | — | Active |
| AA4YR | 10 | 53 | — | — | Available |
| AA4YS | 10 | 51 | 2034-12-31 | — | Active (Vanity) |
| AA4YT | 9 | 49 | 2008-10-13 | 2010-10-14 | Available |
| AA4YU | 10 | 53 | 2036-12-30 | — | Active |
| AA4YV | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| AA4YW | 9 | 55 | 2026-12-17 | — | Active (Vanity) |
| AA4YX | 9 | 57 | 2003-07-22 | 2005-07-23 | Available |
| AA4YY | 9 | 59 | 2034-08-01 | — | Active (Vanity) |
| AA4YZ | 9 | 57 | — | — | Available |
| AA4ZA | 9 | 49 | — | — | Available |
| AA4ZB | 9 | 53 | — | — | Available |
| AA4ZC | 9 | 55 | 2027-02-03 | — | Active |
| AA4ZD | 9 | 51 | 2012-03-16 | 2014-03-17 | Available |
| AA4ZE | 9 | 45 | 2017-02-12 | 2019-02-13 | Available |
| AA4ZF | 9 | 53 | 2036-11-29 | — | Active |
| AA4ZG | 8 | 53 | 2006-12-03 | 2008-12-04 | Available |
| AA4ZH | 9 | 51 | 2026-08-02 | — | Active (Vanity) |
| AA4ZI | 10 | 47 | 2003-12-30 | 2005-12-31 | Available |
| AA4ZJ | 10 | 57 | 2017-07-23 | 2019-07-24 | Available |
| AA4ZK | 9 | 53 | 2030-08-24 | — | Active |
| AA4ZL | 9 | 53 | 2006-12-17 | 2008-12-18 | Available |
| AA4ZM | 8 | 51 | 2029-04-06 | — | Active (Vanity) |
| AA4ZN | 10 | 49 | 2035-12-11 | — | Active (Vanity) |
| AA4ZO | 9 | 55 | 2012-12-22 | 2014-12-23 | Available |
| AA4ZP | 9 | 55 | — | — | Available |
| AA4ZQ | 9 | 57 | 2014-05-24 | 2016-05-25 | Available |
| AA4ZR | 10 | 51 | 2027-10-10 | — | Active (Vanity) |
| AA4ZS | 10 | 49 | 2027-01-09 | — | Active |
| AA4ZT | 9 | 47 | 2035-06-07 | — | Active (Vanity) |
| AA4ZU | 10 | 51 | 2028-12-12 | — | Active (Vanity) |
| AA4ZV | 9 | 53 | 2017-01-13 | 2019-01-14 | Available |
| AA4ZW | 9 | 53 | 2027-02-04 | — | Active |
| AA4ZX | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| AA4ZY | 9 | 57 | 2033-09-19 | — | Active (Vanity) |
| AA4ZZ | 9 | 55 | 2027-07-29 | — | Active |
| AB4AA | 9 | 47 | 2030-04-28 | — | Active (Vanity) |
| AB4AB | 9 | 51 | 2027-03-05 | — | Active |
| AB4AC | 9 | 53 | 2033-10-17 | — | Active (Vanity) |
| AB4AD | 9 | 49 | 2030-12-05 | — | Active (Vanity) |
| AB4AE | 9 | 43 | 2032-06-23 | — | Active (Vanity) |
| AB4AF | 9 | 51 | 2027-01-10 | — | Active |
| AB4AG | 8 | 51 | 2027-06-30 | — | Active |
| AB4AH | 9 | 49 | 2031-01-29 | — | Active |
| AB4AI | 10 | 45 | — | — | Available |
| AB4AJ | 10 | 55 | 1998-02-24 | 2000-02-25 | Available |
| AB4AK | 9 | 51 | 2024-03-05 | 2026-03-06 | Available |
| AB4AL | 9 | 51 | 2029-01-11 | — | Active |
| AB4AM | 8 | 49 | 2035-04-07 | — | Active (Vanity) |
| AB4AN | 10 | 47 | 2032-08-07 | — | Active (Vanity) |
| AB4AO | 9 | 53 | 2027-03-27 | — | Active |
| AB4AP | 9 | 53 | — | — | Available |
| AB4AQ | 9 | 55 | 2027-08-29 | — | Active |
| AB4AR | 10 | 49 | 2027-03-04 | — | Active |
| AB4AS | 10 | 47 | 2032-09-30 | — | Active |
| AB4AT | 9 | 45 | 2029-06-02 | — | Active (Vanity) |
| AB4AU | 10 | 49 | 2027-01-15 | — | Active |
| AB4AV | 9 | 51 | 2007-01-30 | 2009-01-31 | Available |
| AB4AW | 9 | 51 | 2032-06-23 | — | Active |
| AB4AX | 9 | 53 | 2011-07-30 | 2013-07-31 | Available |