District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AA4PK | 9 | 53 | 2036-10-23 | — | Active (Vanity) |
| AA4PL | 9 | 53 | 2023-06-22 | 2025-06-23 | Available |
| AA4PM | 8 | 51 | 2029-02-14 | — | Active (Vanity) |
| AA4PN | 10 | 49 | 2027-12-31 | — | Active |
| AA4PO | 9 | 55 | 2009-06-10 | 2011-06-11 | Available |
| AA4PP | 9 | 55 | 2030-12-21 | — | Active (Vanity) |
| AA4PQ | 9 | 57 | 2006-05-31 | 2008-06-01 | Available |
| AA4PR | 10 | 51 | 2025-10-05 | — | Active |
| AA4PS | 10 | 49 | — | — | Available |
| AA4PT | 9 | 47 | 2036-04-25 | — | Active (Vanity) |
| AA4PU | 10 | 51 | 2001-07-27 | 2003-07-28 | Available |
| AA4PV | 9 | 53 | 2036-05-12 | — | Active |
| AA4PW | 9 | 53 | 2030-11-13 | — | Active (Vanity) |
| AA4PX | 9 | 55 | 2030-01-05 | — | Active |
| AA4PY | 9 | 57 | 2030-10-30 | — | Active |
| AA4PZ | 9 | 55 | 2034-12-03 | — | Active (Vanity) |
| AA4QA | 9 | 51 | 2026-04-02 | — | Active |
| AA4QB | 9 | 55 | 2011-04-02 | 2013-04-03 | Available |
| AA4QC | 9 | 57 | — | — | Available |
| AA4QD | 9 | 53 | 2024-03-05 | 2026-03-06 | Available |
| AA4QE | 9 | 47 | 2035-12-08 | — | Active |
| AA4QF | 9 | 55 | 2025-11-28 | — | Active |
| AA4QG | 8 | 55 | 2002-03-19 | 2004-03-20 | Available |
| AA4QH | 9 | 53 | — | — | Available |
| AA4QI | 10 | 49 | 2030-06-26 | — | Active |
| AA4QJ | 10 | 59 | — | — | Available |
| AA4QK | 9 | 55 | 2004-10-24 | 2006-10-25 | Available |
| AA4QL | 9 | 55 | — | — | Available |
| AA4QM | 8 | 53 | 2032-02-18 | — | Active |
| AA4QN | 10 | 51 | 2016-04-16 | 2018-04-17 | Available |
| AA4QO | 9 | 57 | 2026-04-15 | — | Active (Vanity) |
| AA4QP | 9 | 57 | — | — | Available |
| AA4QQ | 9 | 59 | 2034-02-22 | — | Active |
| AA4QR | 10 | 53 | 2025-11-28 | — | Active |
| AA4QS | 10 | 51 | 2029-06-25 | — | Active (Vanity) |
| AA4QT | 9 | 49 | — | — | Available |
| AA4QU | 10 | 53 | 2012-06-08 | 2014-06-09 | Available |
| AA4QV | 9 | 55 | — | — | Available |
| AA4QW | 9 | 55 | 2033-05-12 | — | Active (Vanity) |
| AA4QX | 9 | 57 | 2005-06-24 | 2007-06-25 | Available |
| AA4QY | 9 | 59 | 2016-05-20 | 2018-05-21 | Available |
| AA4QZ | 9 | 57 | — | — | Available |
| AA4RA | 10 | 45 | 2035-12-06 | — | Active |
| AA4RB | 10 | 49 | 2035-01-31 | — | Active |
| AA4RC | 10 | 51 | 2032-03-07 | — | Active (Vanity) |
| AA4RD | 10 | 47 | 2035-12-01 | — | Active |
| AA4RE | 10 | 41 | 2028-04-13 | — | Active |
| AA4RF | 10 | 49 | 2030-03-31 | — | Active (Vanity) |
| AA4RG | 9 | 49 | 2034-07-23 | — | Active (Vanity) |
| AA4RH | 10 | 47 | 2032-10-22 | — | Active (Vanity) |
| AA4RI | 11 | 43 | 2035-12-14 | — | Active |
| AA4RJ | 11 | 53 | 2027-04-18 | — | Active (Vanity) |
| AA4RK | 10 | 49 | 2029-12-18 | — | Active |
| AA4RL | 10 | 49 | 2028-09-23 | — | Active |
| AA4RM | 9 | 47 | 2026-08-26 | — | Active (Vanity) |
| AA4RN | 11 | 45 | 2033-09-01 | — | Active (Vanity) |
| AA4RO | 10 | 51 | 2036-06-04 | — | Active |
| AA4RP | 10 | 51 | 2031-07-09 | — | Active |
| AA4RQ | 10 | 53 | — | — | Available |
| AA4RR | 11 | 47 | 2027-10-30 | — | Active |
| AA4RS | 11 | 45 | 2036-01-23 | — | Active |
| AA4RT | 10 | 43 | 2031-04-17 | — | Active (Vanity) |
| AA4RU | 11 | 47 | 2024-03-05 | 2026-03-06 | Available |
| AA4RV | 10 | 49 | 2028-02-21 | — | Active (Vanity) |
| AA4RW | 10 | 49 | 2032-04-17 | — | Active (Vanity) |
| AA4RX | 10 | 51 | 2026-04-18 | 2028-04-19 | Canceled (grace period) |
| AA4RY | 10 | 53 | 2035-02-04 | — | Active (Vanity) |
| AA4RZ | 10 | 51 | 2026-01-19 | — | Active |
| AA4SA | 10 | 43 | 2026-01-22 | — | Active |
| AA4SB | 10 | 47 | 2033-10-31 | — | Active (Vanity) |
| AA4SC | 10 | 49 | 2029-12-21 | — | Active |
| AA4SD | 10 | 45 | 2036-01-16 | — | Active |
| AA4SE | 10 | 39 | 2028-05-30 | — | Active (Vanity) |
| AA4SF | 10 | 47 | 2025-09-16 | 2027-09-17 | Canceled (grace period) |
| AA4SG | 9 | 47 | 2027-01-18 | — | Active |
| AA4SH | 10 | 45 | 2031-12-24 | — | Active (Vanity) |
| AA4SI | 11 | 41 | 2027-11-14 | — | Active |
| AA4SJ | 11 | 51 | 2024-03-05 | 2026-03-06 | Available |
| AA4SK | 10 | 47 | — | — | Available |
| AA4SL | 10 | 47 | — | — | Available |
| AA4SM | 9 | 45 | 2032-09-30 | — | Active (Vanity) |
| AA4SN | 11 | 43 | 2029-02-26 | — | Active (Vanity) |
| AA4SO | 10 | 49 | 2026-04-09 | — | Active |
| AA4SP | 10 | 49 | — | — | Available |
| AA4SQ | 10 | 51 | 2026-01-31 | — | Active |
| AA4SR | 11 | 45 | 2027-12-31 | — | Active |
| AA4SS | 11 | 43 | 2036-01-10 | — | Active (Vanity) |
| AA4ST | 10 | 41 | 2036-02-26 | — | Active |
| AA4SU | 11 | 45 | 2014-05-24 | 2016-05-25 | Available |
| AA4SV | 10 | 47 | 2026-01-31 | — | Active |
| AA4SW | 10 | 47 | 2028-05-04 | — | Active (Vanity) |
| AA4SX | 10 | 49 | 2032-03-24 | — | Active |
| AA4SY | 10 | 51 | 2028-06-11 | — | Active |
| AA4SZ | 10 | 49 | 2031-10-22 | — | Active (Vanity) |
| AA4TA | 9 | 41 | 2030-11-13 | — | Active (Vanity) |
| AA4TB | 9 | 45 | 2034-12-10 | — | Active (Vanity) |
| AA4TC | 9 | 47 | 2031-03-16 | — | Active |
| AA4TD | 9 | 43 | 2036-11-11 | — | Active (Vanity) |
| AA4TE | 9 | 37 | 2031-11-27 | — | Active (Vanity) |
| AA4TF | 9 | 45 | 2033-04-11 | — | Active (Vanity) |