District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AD4ZW | 9 | 55 | 2004-03-31 | 2006-04-01 | Available |
| AD4ZX | 9 | 57 | 2019-07-06 | 2021-07-07 | Available |
| AD4ZY | 9 | 59 | 2033-04-15 | — | Active (Vanity) |
| AD4ZZ | 9 | 57 | 2034-03-29 | — | Active |
| AE4AA | 9 | 39 | 2027-06-19 | — | Active (Vanity) |
| AE4AB | 9 | 43 | 2032-08-09 | — | Active |
| AE4AC | 9 | 45 | 2035-09-01 | — | Active |
| AE4AD | 9 | 41 | 2022-06-02 | 2024-06-03 | Available |
| AE4AE | 9 | 35 | 2034-08-02 | — | Active (Vanity) |
| AE4AF | 9 | 43 | 2022-12-01 | 2024-12-02 | Available |
| AE4AG | 8 | 43 | 2029-02-20 | — | Active (Vanity) |
| AE4AH | 9 | 41 | 2024-03-22 | 2026-03-23 | Available |
| AE4AI | 10 | 37 | 2033-11-09 | — | Active (Vanity) |
| AE4AJ | 10 | 47 | 2025-05-13 | — | Active |
| AE4AK | 9 | 43 | 2033-06-01 | — | Active |
| AE4AL | 9 | 43 | 2030-09-22 | — | Active (Vanity) |
| AE4AM | 8 | 41 | 2033-09-19 | — | Active |
| AE4AN | 10 | 39 | 2029-11-08 | — | Active (Vanity) |
| AE4AO | 9 | 45 | 2004-12-12 | 2006-12-13 | Available |
| AE4AP | 9 | 45 | — | — | Available |
| AE4AQ | 9 | 47 | 2014-08-13 | 2016-08-14 | Available |
| AE4AR | 10 | 41 | — | — | Available |
| AE4AS | 10 | 39 | 2023-03-02 | 2025-03-03 | Available |
| AE4AT | 9 | 37 | 2034-03-01 | — | Active (Vanity) |
| AE4AU | 10 | 41 | 2022-07-21 | 2024-07-22 | Available |
| AE4AV | 9 | 43 | 2033-08-24 | — | Active |
| AE4AW | 9 | 43 | 2029-05-03 | — | Active (Vanity) |
| AE4AX | 9 | 45 | 2032-10-12 | — | Active (Vanity) |
| AE4AY | 9 | 47 | 2034-04-28 | — | Active |
| AE4AZ | 9 | 45 | 2023-05-04 | 2025-05-05 | Available |
| AE4BA | 9 | 43 | 2033-04-07 | — | Active (Vanity) |
| AE4BB | 9 | 47 | 2030-12-05 | — | Active (Vanity) |
| AE4BC | 9 | 49 | 2033-02-19 | — | Active (Vanity) |
| AE4BD | 9 | 45 | — | — | Available |
| AE4BE | 9 | 39 | 2036-09-13 | — | Active (Vanity) |
| AE4BF | 9 | 47 | 2033-10-05 | — | Active |
| AE4BG | 8 | 47 | 2019-07-16 | 2021-07-17 | Available |
| AE4BH | 9 | 45 | 2034-06-22 | — | Active |
| AE4BI | 10 | 41 | 2024-05-24 | 2026-05-25 | Available |
| AE4BJ | 10 | 51 | 2034-04-30 | — | Active |
| AE4BK | 9 | 47 | 2004-07-20 | 2006-07-21 | Available |
| AE4BL | 9 | 47 | 2034-06-03 | — | Active (Vanity) |
| AE4BM | 8 | 45 | 2028-10-13 | — | Active (Vanity) |
| AE4BN | 10 | 43 | — | — | Available |
| AE4BO | 9 | 49 | 2005-04-15 | 2007-04-16 | Available |
| AE4BP | 9 | 49 | 2034-07-09 | — | Active (Vanity) |
| AE4BQ | 9 | 51 | 2022-03-01 | 2024-03-02 | Available |
| AE4BR | 10 | 45 | 2025-10-30 | — | Active |
| AE4BS | 10 | 43 | 2029-05-19 | — | Active (Vanity) |
| AE4BT | 9 | 41 | 2033-12-21 | — | Active |
| AE4BU | 10 | 45 | — | — | Available |
| AE4BV | 9 | 47 | 2014-12-12 | 2016-12-13 | Available |
| AE4BW | 9 | 47 | 2030-06-09 | — | Active (Vanity) |
| AE4BX | 9 | 49 | 2034-07-07 | — | Active |
| AE4BY | 9 | 51 | 2036-09-15 | — | Active |
| AE4BZ | 9 | 49 | 2031-09-10 | — | Active |
| AE4CA | 9 | 45 | 2031-11-16 | — | Active (Vanity) |
| AE4CB | 9 | 49 | 2027-11-13 | — | Active |
| AE4CC | 9 | 51 | 2027-03-20 | — | Active (Vanity) |
| AE4CD | 9 | 47 | 2024-07-14 | 2026-07-15 | Available |
| AE4CE | 9 | 41 | 2034-06-21 | — | Active (Vanity) |
| AE4CF | 9 | 49 | 2000-02-05 | 2002-02-06 | Available |
| AE4CG | 8 | 49 | 2015-01-20 | 2017-01-21 | Available |
| AE4CH | 9 | 47 | 2031-08-31 | — | Active (Vanity) |
| AE4CI | 10 | 43 | 2030-04-11 | — | Active (Vanity) |
| AE4CJ | 10 | 53 | 2033-06-08 | — | Active |
| AE4CK | 9 | 49 | — | — | Available |
| AE4CL | 9 | 49 | 2028-12-01 | — | Active |
| AE4CM | 8 | 47 | 2035-04-18 | — | Active (Vanity) |
| AE4CN | 10 | 45 | — | — | Available |
| AE4CO | 9 | 51 | 2033-05-12 | — | Active (Vanity) |
| AE4CP | 9 | 51 | 2032-05-01 | — | Active |
| AE4CQ | 9 | 53 | 2033-08-15 | — | Active |
| AE4CR | 10 | 47 | 2036-04-21 | — | Active |
| AE4CS | 10 | 45 | 2023-09-21 | 2025-09-22 | Available |
| AE4CT | 9 | 43 | 2032-08-07 | — | Active (Vanity) |
| AE4CU | 10 | 47 | 2004-11-15 | 2006-11-16 | Available |
| AE4CV | 9 | 49 | 2033-09-14 | — | Active |
| AE4CW | 9 | 49 | 2027-10-03 | — | Active (Vanity) |
| AE4CX | 9 | 51 | 2032-04-07 | — | Active |
| AE4CY | 9 | 53 | 2014-10-28 | 2016-10-29 | Available |
| AE4CZ | 9 | 51 | 2008-10-21 | 2010-10-22 | Available |
| AE4DA | 9 | 41 | 2034-03-29 | — | Active |
| AE4DB | 9 | 45 | 2028-08-24 | — | Active (Vanity) |
| AE4DC | 9 | 47 | 2034-04-12 | — | Active |
| AE4DD | 9 | 43 | 2031-12-11 | — | Active (Vanity) |
| AE4DE | 9 | 37 | 2036-09-04 | — | Active (Vanity) |
| AE4DF | 9 | 45 | 2033-02-28 | — | Active (Vanity) |
| AE4DG | 8 | 45 | 2034-03-22 | — | Active (Vanity) |
| AE4DH | 9 | 43 | 2033-03-30 | — | Active |
| AE4DI | 10 | 39 | 2014-08-25 | 2016-08-26 | Available |
| AE4DJ | 10 | 49 | 2024-10-19 | 2026-10-20 | Available |
| AE4DK | 9 | 45 | — | — | Available |
| AE4DL | 9 | 45 | 2027-09-07 | — | Active (Vanity) |
| AE4DM | 8 | 43 | 2034-03-14 | — | Active |
| AE4DN | 10 | 41 | 2028-06-16 | — | Active (Vanity) |
| AE4DO | 9 | 47 | 2014-05-31 | 2016-06-01 | Available |
| AE4DP | 9 | 47 | 2032-02-18 | — | Active |
| AE4DQ | 9 | 49 | — | — | Available |
| AE4DR | 10 | 43 | 2026-02-07 | — | Active (Vanity) |