District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AD4GQ | 8 | 57 | 2033-06-29 | — | Active |
| AD4GR | 9 | 51 | 2033-06-29 | — | Active |
| AD4GS | 9 | 49 | 2032-12-03 | — | Active (Vanity) |
| AD4GT | 8 | 47 | 2023-06-29 | 2025-06-30 | Available |
| AD4GU | 9 | 51 | 2023-06-29 | 2025-06-30 | Available |
| AD4GV | 8 | 53 | 2013-06-29 | 2015-06-30 | Available |
| AD4GW | 8 | 53 | 2032-12-09 | — | Active (Vanity) |
| AD4GX | 8 | 55 | 2028-10-12 | — | Active (Vanity) |
| AD4GY | 8 | 57 | 2013-06-29 | 2015-06-30 | Available |
| AD4GZ | 8 | 55 | 2003-06-29 | 2005-06-30 | Available |
| AD4HA | 9 | 47 | — | — | Available |
| AD4HB | 9 | 51 | 2034-01-07 | — | Active |
| AD4HC | 9 | 53 | 2013-07-06 | 2015-07-07 | Available |
| AD4HD | 9 | 49 | 2026-03-24 | 2028-03-25 | Canceled (grace period) |
| AD4HE | 9 | 43 | 2033-07-13 | — | Active |
| AD4HF | 9 | 51 | 2033-07-13 | — | Active |
| AD4HG | 8 | 51 | 2033-07-13 | — | Active |
| AD4HH | 9 | 49 | 2004-04-02 | 2006-04-03 | Available |
| AD4HI | 10 | 45 | 2023-07-20 | 2025-07-21 | Available |
| AD4HJ | 10 | 55 | — | — | Available |
| AD4HK | 9 | 51 | 2003-07-27 | 2005-07-28 | Available |
| AD4HL | 9 | 51 | 2015-08-02 | 2017-08-03 | Available |
| AD4HM | 8 | 49 | 2035-11-22 | — | Active |
| AD4HN | 10 | 47 | 2003-07-27 | 2005-07-28 | Available |
| AD4HO | 9 | 53 | 2003-07-27 | 2005-07-28 | Available |
| AD4HP | 9 | 53 | 2003-07-27 | 2005-07-28 | Available |
| AD4HQ | 9 | 55 | 2023-07-27 | 2025-07-28 | Available |
| AD4HR | 10 | 49 | 2033-08-26 | — | Active |
| AD4HS | 10 | 47 | 2034-02-11 | — | Active (Vanity) |
| AD4HT | 9 | 45 | 2013-07-27 | 2015-07-28 | Available |
| AD4HU | 10 | 49 | 2023-07-27 | 2025-07-28 | Available |
| AD4HV | 9 | 51 | 2002-09-21 | 2004-09-22 | Available |
| AD4HW | 9 | 51 | — | — | Available |
| AD4HX | 9 | 53 | 2034-03-23 | — | Active (Vanity) |
| AD4HY | 9 | 55 | 2033-08-10 | — | Active |
| AD4HZ | 9 | 53 | 2033-08-10 | — | Active |
| AD4IA | 10 | 43 | 2033-08-10 | — | Active |
| AD4IB | 10 | 47 | — | — | Available |
| AD4IC | 10 | 49 | 2033-08-17 | — | Active |
| AD4ID | 10 | 45 | — | — | Available |
| AD4IE | 10 | 39 | 2033-08-17 | — | Active |
| AD4IF | 10 | 47 | — | — | Available |
| AD4IG | 9 | 47 | 2003-08-17 | 2005-08-18 | Available |
| AD4IH | 10 | 45 | 2023-08-17 | 2025-08-18 | Available |
| AD4II | 11 | 41 | 2003-08-17 | 2005-08-18 | Available |
| AD4IJ | 11 | 51 | 2013-08-17 | 2015-08-18 | Available |
| AD4IK | 10 | 47 | 2023-08-17 | 2025-08-18 | Available |
| AD4IL | 10 | 47 | — | — | Available |
| AD4IM | 9 | 45 | 2033-10-05 | — | Active |
| AD4IN | 11 | 43 | — | — | Available |
| AD4IO | 10 | 49 | — | — | Available |
| AD4IP | 10 | 49 | 2033-09-19 | — | Active |
| AD4IQ | 10 | 51 | — | — | Available |
| AD4IR | 11 | 45 | 2003-08-24 | 2005-08-25 | Available |
| AD4IS | 11 | 43 | 2033-09-07 | — | Active |
| AD4IT | 10 | 41 | 2033-08-24 | — | Active |
| AD4IU | 11 | 45 | 2003-08-24 | 2005-08-25 | Available |
| AD4IV | 10 | 47 | 2033-08-24 | — | Active |
| AD4IW | 10 | 47 | 2033-09-17 | — | Active |
| AD4IX | 10 | 49 | 2031-12-10 | — | Active (Vanity) |
| AD4IY | 10 | 51 | 2033-08-31 | — | Active |
| AD4IZ | 10 | 49 | 2003-08-31 | 2005-09-01 | Available |
| AD4JA | 10 | 53 | 2024-08-31 | 2026-09-01 | Available |
| AD4JB | 10 | 57 | 2030-03-31 | — | Active (Vanity) |
| AD4JC | 10 | 59 | 2035-01-03 | — | Active (Vanity) |
| AD4JD | 10 | 55 | 2032-11-26 | — | Active (Vanity) |
| AD4JE | 10 | 49 | 2013-09-14 | 2015-09-15 | Available |
| AD4JF | 10 | 57 | 2033-05-14 | — | Active (Vanity) |
| AD4JG | 9 | 57 | 2028-10-21 | — | Active (Vanity) |
| AD4JH | 10 | 55 | 2020-01-03 | 2022-01-04 | Available |
| AD4JI | 11 | 51 | 2000-10-11 | 2002-10-12 | Available |
| AD4JJ | 11 | 61 | 2033-09-14 | — | Active |
| AD4JK | 10 | 57 | 2023-09-14 | 2025-09-15 | Available |
| AD4JL | 10 | 57 | 2034-02-24 | — | Active |
| AD4JM | 9 | 55 | 2023-09-14 | 2025-09-15 | Available |
| AD4JN | 11 | 53 | 2033-09-14 | — | Active |
| AD4JO | 10 | 59 | 2033-09-14 | — | Active |
| AD4JP | 10 | 59 | 2023-09-14 | 2025-09-15 | Available |
| AD4JQ | 10 | 61 | 2003-09-14 | 2005-09-15 | Available |
| AD4JR | 11 | 55 | 2030-09-15 | — | Active (Vanity) |
| AD4JS | 11 | 53 | 2022-03-16 | 2024-03-17 | Available |
| AD4JT | 10 | 51 | — | — | Available |
| AD4JU | 11 | 55 | 2033-10-03 | — | Active |
| AD4JV | 10 | 57 | 2023-09-14 | 2025-09-15 | Available |
| AD4JW | 10 | 57 | 2028-06-22 | — | Active (Vanity) |
| AD4JX | 10 | 59 | 2034-01-17 | — | Active |
| AD4JY | 10 | 61 | 2003-09-14 | 2005-09-15 | Available |
| AD4JZ | 10 | 59 | — | — | Available |
| AD4KA | 9 | 49 | 2033-09-14 | — | Active |
| AD4KB | 9 | 53 | 2014-03-21 | 2016-03-22 | Available |
| AD4KC | 9 | 55 | 2014-05-29 | 2016-05-30 | Available |
| AD4KD | 9 | 51 | 2013-09-21 | 2015-09-22 | Available |
| AD4KE | 9 | 45 | — | — | Available |
| AD4KF | 9 | 53 | 2033-09-21 | — | Active |
| AD4KG | 8 | 53 | 2033-09-21 | — | Active |
| AD4KH | 9 | 51 | 2013-09-21 | 2015-09-22 | Available |
| AD4KI | 10 | 47 | 2024-06-01 | 2026-06-02 | Available |
| AD4KJ | 10 | 57 | 2033-09-21 | — | Active |
| AD4KK | 9 | 53 | 2013-09-21 | 2015-09-22 | Available |
| AD4KL | 9 | 53 | 2003-09-21 | 2005-09-22 | Available |