District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AF4UA | 10 | 49 | 2002-02-15 | 2004-02-16 | Available |
| AF4UB | 10 | 53 | 2013-08-27 | 2015-08-28 | Available |
| AF4UC | 10 | 55 | 2026-04-02 | — | Active |
| AF4UD | 10 | 51 | 2008-04-29 | 2010-04-30 | Available |
| AF4UE | 10 | 45 | 2001-03-23 | 2003-03-24 | Available |
| AF4UF | 10 | 53 | 2000-06-17 | 2002-06-18 | Available |
| AF4UG | 9 | 53 | 2018-12-02 | 2020-12-03 | Available |
| AF4UH | 10 | 51 | 2029-08-08 | — | Active (Vanity) |
| AF4UI | 11 | 47 | 2033-12-21 | — | Active |
| AF4UJ | 11 | 57 | 2001-02-09 | 2003-02-10 | Available |
| AF4UK | 10 | 53 | 2009-08-08 | 2011-08-09 | Available |
| AF4UL | 10 | 53 | 2030-05-18 | — | Active |
| AF4UM | 9 | 51 | 2034-03-12 | — | Active |
| AF4UN | 11 | 49 | 2005-04-27 | 2007-04-28 | Available |
| AF4UO | 10 | 55 | 2000-06-20 | 2002-06-21 | Available |
| AF4UP | 10 | 55 | 2021-10-29 | 2023-10-30 | Available |
| AF4UQ | 10 | 57 | 2016-03-18 | 2018-03-19 | Available |
| AF4UR | 11 | 51 | 2013-10-26 | 2015-10-27 | Available |
| AF4US | 11 | 49 | 2024-05-31 | 2026-06-01 | Available |
| AF4UT | 10 | 47 | 2027-06-05 | — | Active |
| AF4UU | 11 | 51 | 2023-01-12 | 2025-01-13 | Available |
| AF4UV | 10 | 53 | 2030-10-09 | — | Active |
| AF4UW | 10 | 53 | 2018-02-16 | 2020-02-28 | Available |
| AF4UX | 10 | 55 | 2002-11-05 | 2004-11-06 | Available |
| AF4UY | 10 | 57 | 2000-12-16 | 2002-12-17 | Available |
| AF4UZ | 10 | 55 | 2035-05-23 | — | Active |
| AF4VA | 9 | 51 | 2034-01-25 | — | Active |
| AF4VB | 9 | 55 | 2030-01-02 | — | Active |
| AF4VC | 9 | 57 | 2023-03-23 | 2025-03-24 | Available |
| AF4VD | 9 | 53 | 2000-06-20 | 2002-06-21 | Available |
| AF4VE | 9 | 47 | 2013-02-20 | 2015-02-21 | Available |
| AF4VF | 9 | 55 | 2022-09-08 | 2024-09-09 | Available |
| AF4VG | 8 | 55 | 2000-07-11 | 2002-07-12 | Available |
| AF4VH | 9 | 53 | 2029-06-29 | — | Active |
| AF4VI | 10 | 49 | 2022-02-04 | 2024-02-05 | Available |
| AF4VJ | 10 | 59 | 2036-10-07 | — | Active |
| AF4VK | 9 | 55 | 2015-07-18 | 2017-07-19 | Available |
| AF4VL | 9 | 55 | 2005-04-27 | 2007-04-28 | Available |
| AF4VM | 8 | 53 | 2029-08-06 | — | Active (Vanity) |
| AF4VN | 10 | 51 | 2027-08-23 | — | Active |
| AF4VO | 9 | 57 | 2033-02-02 | — | Active |
| AF4VP | 9 | 57 | 2000-12-01 | 2002-12-02 | Available |
| AF4VQ | 9 | 59 | 2001-03-06 | 2003-03-07 | Available |
| AF4VR | 10 | 53 | 2024-09-23 | 2026-09-24 | Available |
| AF4VS | 10 | 51 | 2029-05-13 | — | Active |
| AF4VT | 9 | 49 | 2022-12-22 | 2024-12-23 | Available |
| AF4VU | 10 | 53 | 2029-05-15 | — | Active |
| AF4VV | 9 | 55 | 2033-05-25 | — | Active |
| AF4VW | 9 | 55 | 2014-04-05 | 2016-04-06 | Available |
| AF4VX | 9 | 57 | 2035-08-26 | — | Active (Vanity) |
| AF4VY | 9 | 59 | 2033-01-19 | — | Active |
| AF4VZ | 9 | 57 | 2033-01-19 | — | Active |
| AF4WA | 9 | 51 | 2035-12-09 | — | Active |
| AF4WB | 9 | 55 | 2028-01-23 | — | Active |
| AF4WC | 9 | 57 | 2000-08-11 | 2002-08-12 | Available |
| AF4WD | 9 | 53 | 2036-06-01 | — | Active (Vanity) |
| AF4WE | 9 | 47 | 2000-06-27 | 2002-06-28 | Available |
| AF4WF | 9 | 55 | 2024-07-21 | 2026-07-22 | Available |
| AF4WG | 8 | 55 | 2034-01-04 | — | Active |
| AF4WH | 9 | 53 | 2024-03-05 | 2026-03-06 | Available |
| AF4WI | 10 | 49 | 2001-05-26 | 2003-05-27 | Available |
| AF4WJ | 10 | 59 | 2013-08-31 | 2015-09-01 | Available |
| AF4WK | 9 | 55 | 2014-10-05 | 2016-10-06 | Available |
| AF4WL | 9 | 55 | 2029-11-02 | — | Active |
| AF4WM | 8 | 53 | 2029-02-23 | — | Active |
| AF4WN | 10 | 51 | 2023-07-06 | 2025-07-07 | Available |
| AF4WO | 9 | 57 | 2030-09-25 | — | Active |
| AF4WP | 9 | 57 | 2023-08-24 | 2025-08-25 | Available |
| AF4WQ | 9 | 59 | 2024-08-26 | 2026-08-27 | Available |
| AF4WR | 10 | 53 | 2032-01-07 | — | Active |
| AF4WS | 10 | 51 | 2019-06-22 | 2021-06-23 | Available |
| AF4WT | 9 | 49 | 2028-03-24 | — | Active |
| AF4WU | 10 | 53 | 2018-07-20 | 2020-07-21 | Available |
| AF4WV | 9 | 55 | 2022-03-17 | 2024-03-18 | Available |
| AF4WW | 9 | 55 | 2027-12-12 | — | Active (Vanity) |
| AF4WX | 9 | 57 | 2005-11-28 | 2007-11-29 | Available |
| AF4WY | 9 | 59 | 2035-06-06 | — | Active |
| AF4WZ | 9 | 57 | 2035-02-26 | — | Active |
| AF4XA | 9 | 53 | 2018-06-17 | 2020-06-18 | Available |
| AF4XB | 9 | 57 | 2036-05-11 | — | Active |
| AF4XC | 9 | 59 | 2031-09-03 | — | Active |
| AF4XD | 9 | 55 | 2011-09-17 | 2013-09-18 | Available |
| AF4XE | 9 | 49 | 2001-01-03 | 2003-01-04 | Available |
| AF4XF | 9 | 57 | 2008-03-04 | 2010-03-05 | Available |
| AF4XG | 8 | 57 | 2029-12-17 | — | Active |
| AF4XH | 9 | 55 | 2027-10-14 | — | Active |
| AF4XI | 10 | 51 | 2025-07-14 | — | Active |
| AF4XJ | 10 | 61 | 2024-12-16 | — | Active |
| AF4XK | 9 | 57 | 2029-04-20 | — | Active |
| AF4XL | 9 | 57 | 2032-09-16 | — | Active (Vanity) |
| AF4XM | 8 | 55 | 2022-11-24 | 2024-11-25 | Available |
| AF4XN | 10 | 53 | 2004-03-13 | 2006-03-14 | Available |
| AF4XO | 9 | 59 | 2000-09-06 | 2002-09-07 | Available |
| AF4XP | 9 | 59 | 2025-01-01 | — | Active |
| AF4XQ | 9 | 61 | 2000-11-21 | 2002-11-22 | Available |
| AF4XR | 10 | 55 | 2023-07-13 | 2025-07-14 | Available |
| AF4XS | 10 | 53 | 2024-01-17 | 2026-01-18 | Available |
| AF4XT | 9 | 51 | 2028-02-07 | — | Active |
| AF4XU | 10 | 55 | 2000-08-22 | 2002-08-23 | Available |
| AF4XV | 9 | 57 | 2014-11-01 | 2016-11-02 | Available |