District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AB4QI | 10 | 53 | — | — | Available |
| AB4QJ | 10 | 63 | 1999-09-05 | 2001-09-06 | Available |
| AB4QK | 9 | 59 | 2000-11-27 | 2002-11-28 | Available |
| AB4QL | 9 | 59 | 2034-10-24 | — | Active |
| AB4QM | 8 | 57 | 1999-09-19 | 2001-09-20 | Available |
| AB4QN | 10 | 55 | 2034-08-15 | — | Active |
| AB4QO | 9 | 61 | 1999-12-10 | 2001-12-11 | Available |
| AB4QP | 9 | 61 | — | — | Available |
| AB4QQ | 9 | 63 | 2028-11-09 | — | Active (Vanity) |
| AB4QR | 10 | 57 | 2029-05-13 | — | Active |
| AB4QS | 10 | 55 | 2029-05-10 | — | Active |
| AB4QT | 9 | 53 | 2000-10-02 | 2002-10-03 | Available |
| AB4QU | 10 | 57 | 2031-04-06 | — | Active |
| AB4QV | 9 | 59 | 2029-09-26 | — | Active |
| AB4QW | 9 | 59 | 2029-11-15 | — | Active |
| AB4QX | 9 | 61 | 2029-10-16 | — | Active |
| AB4QY | 9 | 63 | 1999-10-03 | 2001-10-04 | Available |
| AB4QZ | 9 | 61 | 2008-04-04 | 2010-04-05 | Available |
| AB4RA | 10 | 49 | 2032-09-07 | — | Active (Vanity) |
| AB4RB | 10 | 53 | 2030-08-04 | — | Active |
| AB4RC | 10 | 55 | 2032-12-28 | — | Active (Vanity) |
| AB4RD | 10 | 51 | 2036-01-19 | — | Active (Vanity) |
| AB4RE | 10 | 45 | 2028-08-25 | — | Active |
| AB4RF | 10 | 53 | 2029-10-17 | — | Active |
| AB4RG | 9 | 53 | 2034-05-04 | — | Active (Vanity) |
| AB4RH | 10 | 51 | 2031-11-01 | — | Active |
| AB4RI | 11 | 47 | 2029-05-24 | — | Active |
| AB4RJ | 11 | 57 | 2029-07-22 | — | Active |
| AB4RK | 10 | 53 | 2027-12-01 | — | Active (Vanity) |
| AB4RL | 10 | 53 | 2026-05-29 | 2028-05-30 | Canceled (grace period) |
| AB4RM | 9 | 51 | 2023-02-16 | 2025-02-17 | Available |
| AB4RN | 11 | 49 | 2019-07-13 | 2021-07-14 | Available |
| AB4RO | 10 | 55 | 2029-11-07 | — | Active |
| AB4RP | 10 | 55 | 2028-03-04 | — | Active (Vanity) |
| AB4RQ | 10 | 57 | 2030-02-04 | — | Active |
| AB4RR | 11 | 51 | 2033-07-14 | — | Active (Vanity) |
| AB4RS | 11 | 49 | 2028-03-18 | — | Active (Vanity) |
| AB4RT | 10 | 47 | 2028-07-26 | — | Active (Vanity) |
| AB4RU | 11 | 51 | 2031-02-08 | — | Active (Vanity) |
| AB4RV | 10 | 53 | 2029-11-14 | — | Active |
| AB4RW | 10 | 53 | 2019-10-11 | 2021-10-12 | Available |
| AB4RX | 10 | 55 | — | — | Available |
| AB4RY | 10 | 57 | 2030-09-11 | — | Active |
| AB4RZ | 10 | 55 | 2011-04-23 | 2013-04-24 | Available |
| AB4SA | 10 | 47 | 2029-12-19 | — | Active |
| AB4SB | 10 | 51 | 2019-12-19 | 2021-12-20 | Available |
| AB4SC | 10 | 53 | 2030-11-30 | — | Active (Vanity) |
| AB4SD | 10 | 49 | — | — | Available |
| AB4SE | 10 | 43 | 2009-12-19 | 2011-12-20 | Available |
| AB4SF | 10 | 51 | 2029-12-19 | — | Active |
| AB4SG | 9 | 51 | 2030-12-04 | — | Active |
| AB4SH | 10 | 49 | — | — | Available |
| AB4SI | 11 | 45 | 2009-12-26 | 2011-12-27 | Available |
| AB4SJ | 11 | 55 | 2028-11-25 | — | Active (Vanity) |
| AB4SK | 10 | 51 | 2029-12-26 | — | Active |
| AB4SL | 10 | 51 | 2033-08-20 | — | Active (Vanity) |
| AB4SM | 9 | 49 | 2034-12-07 | — | Active (Vanity) |
| AB4SN | 11 | 47 | 2031-01-08 | — | Active |
| AB4SO | 10 | 53 | 2030-01-02 | — | Active |
| AB4SP | 10 | 53 | 2035-06-14 | — | Active (Vanity) |
| AB4SQ | 10 | 55 | — | — | Available |
| AB4SR | 11 | 49 | 2020-01-09 | 2022-01-10 | Available |
| AB4SS | 11 | 47 | 2036-01-09 | — | Active (Vanity) |
| AB4ST | 10 | 45 | 2031-09-20 | — | Active |
| AB4SU | 11 | 49 | 2004-01-09 | 2006-01-10 | Available |
| AB4SV | 10 | 51 | — | — | Available |
| AB4SW | 10 | 51 | 2012-01-14 | 2014-01-15 | Available |
| AB4SX | 10 | 53 | 2020-01-23 | 2022-01-24 | Available |
| AB4SY | 10 | 55 | 2020-01-30 | 2022-01-31 | Available |
| AB4SZ | 10 | 53 | 2030-01-30 | — | Active |
| AB4TA | 9 | 45 | — | — | Available |
| AB4TB | 9 | 49 | 2025-01-21 | — | Active (Vanity) |
| AB4TC | 9 | 51 | 2030-02-02 | — | Active |
| AB4TD | 9 | 47 | 2030-01-30 | — | Active |
| AB4TE | 9 | 41 | 2032-03-31 | — | Active |
| AB4TF | 9 | 49 | 2020-05-27 | 2022-05-28 | Available |
| AB4TG | 8 | 49 | 2011-06-03 | 2013-06-04 | Available |
| AB4TH | 9 | 47 | 2000-03-18 | 2002-03-19 | Available |
| AB4TI | 10 | 43 | 2030-02-06 | — | Active |
| AB4TJ | 10 | 53 | 2030-02-06 | — | Active |
| AB4TK | 9 | 49 | 2020-02-06 | 2022-02-07 | Available |
| AB4TL | 9 | 49 | 2030-06-27 | — | Active (Vanity) |
| AB4TM | 8 | 47 | 2030-02-13 | — | Active |
| AB4TN | 10 | 45 | 2030-03-28 | — | Active |
| AB4TO | 9 | 51 | 2010-02-13 | 2012-02-14 | Available |
| AB4TP | 9 | 51 | 2000-02-20 | 2002-02-21 | Available |
| AB4TQ | 9 | 53 | — | — | Available |
| AB4TR | 10 | 47 | 2017-12-08 | 2019-12-09 | Available |
| AB4TS | 10 | 45 | 2030-02-20 | — | Active |
| AB4TT | 9 | 43 | 2026-06-25 | — | Active (Vanity) |
| AB4TU | 10 | 47 | 2030-09-04 | — | Active |
| AB4TV | 9 | 49 | — | — | Available |
| AB4TW | 9 | 49 | 2000-02-27 | 2002-02-28 | Available |
| AB4TX | 9 | 51 | 2030-09-18 | — | Active |
| AB4TY | 9 | 53 | 2030-06-15 | — | Active |
| AB4TZ | 9 | 51 | 2030-03-06 | — | Active |
| AB4UA | 10 | 49 | 2030-03-06 | — | Active |
| AB4UB | 10 | 53 | — | — | Available |
| AB4UC | 10 | 55 | 2010-09-11 | 2012-09-12 | Available |
| AB4UD | 10 | 51 | 2008-05-30 | 2010-05-31 | Available |