District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KX4QE | 9 | 57 | 2028-03-02 | — | Active |
| KX4QF | 9 | 65 | 2028-11-19 | — | Active |
| KX4QG | 8 | 65 | 2023-07-15 | 2025-07-16 | Available |
| KX4QH | 9 | 63 | 2019-03-15 | 2021-03-16 | Available |
| KX4QI | 10 | 59 | 2032-11-07 | — | Active |
| KX4QJ | 10 | 69 | 2019-04-09 | 2021-04-10 | Available |
| KX4QK | 9 | 65 | 2028-03-26 | — | Active |
| KX4QL | 9 | 65 | 2019-03-29 | 2021-03-30 | Available |
| KX4QM | 8 | 63 | 2020-05-12 | 2022-05-13 | Available |
| KX4QN | 10 | 61 | 2019-06-25 | 2021-06-26 | Available |
| KX4QO | 9 | 67 | 2019-04-02 | 2021-04-03 | Available |
| KX4QP | 9 | 67 | 2029-03-18 | — | Active |
| KX4QQ | 9 | 69 | 2029-03-18 | — | Active |
| KX4QR | 10 | 63 | 2029-03-19 | — | Active |
| KX4QS | 10 | 61 | 2029-03-20 | — | Active |
| KX4QT | 9 | 59 | 2029-03-20 | — | Active |
| KX4QU | 10 | 63 | 2028-10-17 | — | Active |
| KX4QV | 9 | 65 | 2028-08-13 | — | Active |
| KX4QW | 9 | 65 | 2028-10-17 | — | Active |
| KX4QX | 9 | 67 | 2029-07-02 | — | Active |
| KX4QY | 9 | 69 | 2019-04-16 | 2021-04-17 | Available |
| KX4QZ | 9 | 67 | 2029-04-01 | — | Active |
| KX4RA | 10 | 55 | 2029-04-01 | — | Active |
| KX4RB | 10 | 59 | 2026-03-14 | — | Active |
| KX4RC | 10 | 61 | 2025-01-22 | 2027-01-23 | Canceled (grace period) |
| KX4RD | 10 | 57 | 2019-12-14 | 2021-12-15 | Available |
| KX4RE | 10 | 51 | 2029-03-25 | — | Active |
| KX4RF | 10 | 59 | 2029-04-12 | — | Active |
| KX4RG | 9 | 59 | 2029-04-16 | — | Active |
| KX4RH | 10 | 57 | 2034-10-18 | — | Active |
| KX4RI | 11 | 53 | 2029-04-17 | — | Active |
| KX4RJ | 11 | 63 | 2019-06-15 | 2021-06-16 | Available |
| KX4RK | 10 | 59 | 2020-03-17 | 2022-03-18 | Available |
| KX4RL | 10 | 59 | 2019-05-30 | 2021-05-31 | Available |
| KX4RM | 9 | 57 | 2028-01-30 | — | Active |
| KX4RN | 11 | 55 | 2029-04-26 | — | Active |
| KX4RO | 10 | 61 | 2029-04-29 | — | Active |
| KX4RP | 10 | 61 | 2029-04-25 | — | Active |
| KX4RQ | 10 | 63 | 2029-05-06 | — | Active |
| KX4RR | 11 | 57 | 2023-01-26 | 2025-01-27 | Available |
| KX4RS | 11 | 55 | 2034-10-01 | — | Active (Vanity) |
| KX4RT | 10 | 53 | 2029-04-10 | — | Active |
| KX4RU | 11 | 57 | 2029-05-10 | — | Active |
| KX4RV | 10 | 59 | 2020-02-11 | 2022-02-12 | Available |
| KX4RW | 10 | 59 | 2031-07-09 | — | Active |
| KX4RX | 10 | 61 | 2029-05-14 | — | Active |
| KX4RY | 10 | 63 | 2019-06-25 | 2021-06-26 | Available |
| KX4RZ | 10 | 61 | 2036-03-11 | — | Active |
| KX4SA | 10 | 53 | 2028-06-07 | — | Active |
| KX4SB | 10 | 57 | 2029-05-16 | — | Active |
| KX4SC | 10 | 59 | 2029-03-16 | — | Active |
| KX4SD | 10 | 55 | 2029-05-17 | — | Active |
| KX4SE | 10 | 49 | 2029-05-17 | — | Active |
| KX4SF | 10 | 57 | 2028-03-29 | — | Active |
| KX4SG | 9 | 57 | 2013-03-04 | 2015-03-05 | Available |
| KX4SH | 10 | 55 | 2035-05-21 | — | Active |
| KX4SI | 11 | 51 | 2029-05-21 | — | Active |
| KX4SJ | 11 | 61 | 2029-05-23 | — | Active |
| KX4SK | 10 | 57 | 2029-05-29 | — | Active |
| KX4SL | 10 | 57 | 2029-06-03 | — | Active |
| KX4SM | 9 | 55 | 2022-11-11 | 2024-11-12 | Available |
| KX4SN | 11 | 53 | 2029-10-02 | — | Active |
| KX4SO | 10 | 59 | 2029-06-18 | — | Active |
| KX4SP | 10 | 59 | 2019-10-11 | 2021-10-12 | Available |
| KX4SQ | 10 | 61 | 2019-07-09 | 2021-07-10 | Available |
| KX4SR | 11 | 55 | 2029-06-21 | — | Active |
| KX4SS | 11 | 53 | 2029-06-21 | — | Active |
| KX4ST | 10 | 51 | 2027-08-22 | — | Active (Vanity) |
| KX4SU | 11 | 55 | 2035-04-24 | — | Active |
| KX4SV | 10 | 57 | 2019-10-11 | 2021-10-12 | Available |
| KX4SW | 10 | 57 | 2019-09-17 | 2021-09-18 | Available |
| KX4SX | 10 | 59 | 2029-06-27 | — | Active |
| KX4SY | 10 | 61 | 2019-07-23 | 2021-07-24 | Available |
| KX4SZ | 10 | 59 | 2019-10-16 | 2021-10-17 | Available |
| KX4TA | 9 | 51 | 2029-07-08 | — | Active |
| KX4TB | 9 | 55 | 2030-11-28 | — | Active (Vanity) |
| KX4TC | 9 | 57 | 2036-07-28 | — | Active (Vanity) |
| KX4TD | 9 | 53 | 2024-11-30 | 2026-12-01 | Canceled (grace period) |
| KX4TE | 9 | 47 | 2036-04-11 | — | Active |
| KX4TF | 9 | 55 | 2029-07-22 | — | Active |
| KX4TG | 8 | 55 | 2019-08-13 | 2021-08-14 | Available |
| KX4TH | 9 | 53 | 2036-08-02 | — | Active |
| KX4TI | 10 | 49 | 2019-09-04 | 2021-09-05 | Available |
| KX4TJ | 10 | 59 | 2020-05-27 | 2022-05-28 | Available |
| KX4TK | 9 | 55 | 2029-08-01 | — | Active |
| KX4TL | 9 | 55 | 2029-08-05 | — | Active |
| KX4TM | 8 | 53 | 2027-08-04 | — | Active |
| KX4TN | 10 | 51 | 2029-03-22 | — | Active |
| KX4TO | 9 | 57 | 2019-08-30 | 2021-08-31 | Available |
| KX4TP | 9 | 57 | 2019-09-21 | 2021-09-22 | Available |
| KX4TQ | 9 | 59 | 2027-11-17 | — | Active |
| KX4TR | 10 | 53 | 2019-09-10 | 2021-09-11 | Available |
| KX4TS | 10 | 51 | 2029-04-09 | — | Active (Vanity) |
| KX4TT | 9 | 49 | 2033-02-05 | — | Active (Vanity) |
| KX4TU | 10 | 53 | 2019-09-06 | 2021-09-07 | Available |
| KX4TV | 9 | 55 | 2029-08-14 | — | Active |
| KX4TW | 9 | 55 | 2019-10-08 | 2021-10-09 | Available |
| KX4TX | 9 | 57 | 2029-11-03 | — | Active |
| KX4TY | 9 | 59 | 2029-08-20 | — | Active |
| KX4TZ | 9 | 57 | 2028-09-14 | — | Active |