District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AB4YA | 9 | 55 | 2022-01-31 | 2024-02-01 | Available |
| AB4YB | 9 | 59 | 2025-03-02 | — | Active (Vanity) |
| AB4YC | 9 | 61 | 2019-04-09 | 2021-04-10 | Available |
| AB4YD | 9 | 57 | 2030-08-07 | — | Active |
| AB4YE | 9 | 51 | 2017-11-10 | 2019-11-11 | Available |
| AB4YF | 9 | 59 | 1998-12-01 | 2000-12-02 | Available |
| AB4YG | 8 | 59 | 2000-08-07 | 2002-08-08 | Available |
| AB4YH | 9 | 57 | 2010-08-14 | 2012-08-15 | Available |
| AB4YI | 10 | 53 | 2032-01-11 | — | Active (Vanity) |
| AB4YJ | 10 | 63 | 2020-08-14 | 2022-08-15 | Available |
| AB4YK | 9 | 59 | 2029-08-15 | — | Active |
| AB4YL | 9 | 59 | 2035-09-15 | — | Active (Vanity) |
| AB4YM | 8 | 57 | 2034-11-30 | — | Active (Vanity) |
| AB4YN | 10 | 55 | 2030-08-21 | — | Active |
| AB4YO | 9 | 61 | 2010-08-21 | 2012-08-22 | Available |
| AB4YP | 9 | 61 | 2027-07-21 | — | Active |
| AB4YQ | 9 | 63 | — | — | Available |
| AB4YR | 10 | 57 | — | — | Available |
| AB4YS | 10 | 55 | 2020-08-28 | 2022-08-29 | Available |
| AB4YT | 9 | 53 | — | — | Available |
| AB4YU | 10 | 57 | 2000-09-04 | 2002-09-05 | Available |
| AB4YV | 9 | 59 | 2021-07-27 | 2023-07-28 | Available |
| AB4YW | 9 | 59 | 2021-09-04 | 2023-09-05 | Available |
| AB4YX | 9 | 61 | 2010-09-11 | 2012-09-12 | Available |
| AB4YY | 9 | 63 | 2031-08-26 | — | Active |
| AB4YZ | 9 | 61 | 2034-03-19 | — | Active (Vanity) |
| AB4ZA | 9 | 53 | — | — | Available |
| AB4ZB | 9 | 57 | 2034-06-22 | — | Active (Vanity) |
| AB4ZC | 9 | 59 | 2030-09-25 | — | Active |
| AB4ZD | 9 | 55 | — | — | Available |
| AB4ZE | 9 | 49 | 2010-10-02 | 2012-10-03 | Available |
| AB4ZF | 9 | 57 | 2000-10-02 | 2002-10-03 | Available |
| AB4ZG | 8 | 57 | 2010-10-02 | 2012-10-03 | Available |
| AB4ZH | 9 | 55 | 2030-01-01 | — | Active |
| AB4ZI | 10 | 51 | — | — | Available |
| AB4ZJ | 10 | 61 | 2017-03-27 | 2019-03-28 | Available |
| AB4ZK | 9 | 57 | 2030-11-22 | — | Active |
| AB4ZL | 9 | 57 | 2034-02-22 | — | Active |
| AB4ZM | 8 | 55 | — | — | Available |
| AB4ZN | 10 | 53 | 1999-02-26 | 2001-02-27 | Available |
| AB4ZO | 9 | 59 | 2013-10-26 | 2015-10-27 | Available |
| AB4ZP | 9 | 59 | 2011-10-09 | 2013-10-10 | Available |
| AB4ZQ | 9 | 61 | 2020-10-09 | 2022-10-10 | Available |
| AB4ZR | 10 | 55 | 2030-10-09 | — | Active |
| AB4ZS | 10 | 53 | 2011-01-04 | 2013-01-05 | Available |
| AB4ZT | 9 | 51 | 2032-09-14 | — | Active |
| AB4ZU | 10 | 55 | — | — | Available |
| AB4ZV | 9 | 57 | — | — | Available |
| AB4ZW | 9 | 57 | 2022-08-16 | 2024-08-17 | Available |
| AB4ZX | 9 | 59 | 2020-10-23 | 2022-10-24 | Available |
| AB4ZY | 9 | 61 | — | — | Available |
| AB4ZZ | 9 | 59 | 2030-10-23 | — | Active |
| AC4AA | 9 | 49 | 2033-01-05 | — | Active |
| AC4AB | 9 | 53 | 2020-11-06 | 2022-11-07 | Available |
| AC4AC | 9 | 55 | 2036-06-21 | — | Active (Vanity) |
| AC4AD | 9 | 51 | 2019-10-08 | 2021-10-09 | Available |
| AC4AE | 9 | 45 | 2020-11-06 | 2022-11-07 | Available |
| AC4AF | 9 | 53 | 2010-11-06 | 2012-11-07 | Available |
| AC4AG | 8 | 53 | 2031-08-17 | — | Active (Vanity) |
| AC4AH | 9 | 51 | 2030-11-24 | — | Active |
| AC4AI | 10 | 47 | — | — | Available |
| AC4AJ | 10 | 57 | — | — | Available |
| AC4AK | 9 | 53 | 2020-03-20 | 2022-03-21 | Available |
| AC4AL | 9 | 53 | 2030-12-21 | — | Active (Vanity) |
| AC4AM | 8 | 51 | 2027-12-29 | — | Active (Vanity) |
| AC4AN | 10 | 49 | 2031-03-05 | — | Active |
| AC4AO | 9 | 55 | 2030-12-19 | — | Active |
| AC4AP | 9 | 55 | 2030-11-10 | — | Active (Vanity) |
| AC4AQ | 9 | 57 | 2032-12-29 | — | Active |
| AC4AR | 10 | 51 | 2000-04-25 | 2002-04-26 | Available |
| AC4AS | 10 | 49 | 2022-06-16 | 2024-06-17 | Available |
| AC4AT | 9 | 47 | 2028-09-22 | — | Active (Vanity) |
| AC4AU | 10 | 51 | 2034-07-03 | — | Active |
| AC4AV | 9 | 53 | 2034-05-21 | — | Active |
| AC4AW | 9 | 53 | — | — | Available |
| AC4AX | 9 | 55 | 2030-11-27 | — | Active |
| AC4AY | 9 | 57 | — | — | Available |
| AC4AZ | 9 | 55 | 2013-01-12 | 2015-01-13 | Available |
| AC4BA | 9 | 53 | 2010-12-07 | 2012-12-08 | Available |
| AC4BB | 9 | 57 | 2035-05-20 | — | Active (Vanity) |
| AC4BC | 9 | 59 | 2028-08-07 | — | Active (Vanity) |
| AC4BD | 9 | 55 | 2017-02-11 | 2019-02-12 | Available |
| AC4BE | 9 | 49 | 2030-12-11 | — | Active |
| AC4BF | 9 | 57 | 2031-01-26 | — | Active |
| AC4BG | 8 | 57 | — | — | Available |
| AC4BH | 9 | 55 | 2036-05-27 | — | Active (Vanity) |
| AC4BI | 10 | 51 | — | — | Available |
| AC4BJ | 10 | 61 | 2010-12-24 | 2012-12-25 | Available |
| AC4BK | 9 | 57 | 2021-10-08 | 2023-10-09 | Available |
| AC4BL | 9 | 57 | 2010-12-24 | 2012-12-25 | Available |
| AC4BM | 8 | 55 | 2030-12-24 | — | Active |
| AC4BN | 10 | 53 | 2030-12-24 | — | Active |
| AC4BO | 9 | 59 | 2029-03-01 | — | Active |
| AC4BP | 9 | 59 | 2032-09-15 | — | Active |
| AC4BQ | 9 | 61 | 2021-01-17 | 2023-01-18 | Available |
| AC4BR | 10 | 55 | 2035-04-18 | — | Active (Vanity) |
| AC4BS | 10 | 53 | — | — | Available |
| AC4BT | 9 | 51 | 2030-12-31 | — | Active |
| AC4BU | 10 | 55 | 2000-03-24 | 2002-03-25 | Available |
| AC4BV | 9 | 57 | 2031-01-08 | — | Active |