District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KX4MI | 9 | 53 | 2027-09-21 | — | Active |
| KX4MJ | 9 | 63 | 2027-10-30 | — | Active |
| KX4MK | 8 | 59 | 2028-03-23 | — | Active |
| KX4ML | 8 | 59 | 2028-08-03 | — | Active |
| KX4MM | 7 | 57 | 2028-08-03 | — | Active |
| KX4MN | 9 | 55 | 2028-08-06 | — | Active |
| KX4MO | 8 | 61 | 2028-01-30 | — | Active (Vanity) |
| KX4MP | 8 | 61 | 2018-09-15 | 2020-09-16 | Available |
| KX4MQ | 8 | 63 | 2025-02-08 | 2027-02-09 | Canceled (grace period) |
| KX4MR | 9 | 57 | 2035-08-29 | — | Active (Vanity) |
| KX4MS | 9 | 55 | 2027-11-20 | — | Active |
| KX4MT | 8 | 53 | 2028-06-05 | — | Active |
| KX4MU | 9 | 57 | 2036-05-23 | — | Active |
| KX4MV | 8 | 59 | 2022-02-23 | 2024-02-24 | Available |
| KX4MW | 8 | 59 | — | — | Available |
| KX4MX | 8 | 61 | 2035-01-23 | — | Active |
| KX4MY | 8 | 63 | 2018-09-14 | 2020-09-15 | Available |
| KX4MZ | 8 | 61 | 2033-12-03 | — | Active |
| KX4NA | 10 | 53 | 2018-10-16 | 2020-10-17 | Available |
| KX4NB | 10 | 57 | — | — | Available |
| KX4NC | 10 | 59 | 2028-11-01 | — | Active (Vanity) |
| KX4ND | 10 | 55 | 2028-08-29 | — | Active |
| KX4NE | 10 | 49 | 2028-11-18 | — | Active |
| KX4NF | 10 | 57 | 2028-09-05 | — | Active |
| KX4NG | 9 | 57 | 2028-09-10 | — | Active |
| KX4NH | 10 | 55 | 2018-10-27 | 2020-10-28 | Available |
| KX4NI | 11 | 51 | 2030-03-06 | — | Active |
| KX4NJ | 11 | 61 | 2028-09-11 | — | Active |
| KX4NK | 10 | 57 | 2028-11-04 | — | Active |
| KX4NL | 10 | 57 | 2018-11-24 | 2020-11-25 | Available |
| KX4NM | 9 | 55 | 2028-09-20 | — | Active |
| KX4NN | 11 | 53 | 2028-09-24 | — | Active |
| KX4NO | 10 | 59 | 2028-09-24 | — | Active |
| KX4NP | 10 | 59 | 2028-09-28 | — | Active |
| KX4NQ | 10 | 61 | 2019-12-17 | 2021-12-18 | Available |
| KX4NR | 11 | 55 | 2018-10-23 | 2020-10-24 | Available |
| KX4NS | 11 | 53 | 2028-10-10 | — | Active |
| KX4NT | 10 | 51 | 2023-01-21 | 2025-01-22 | Available |
| KX4NU | 11 | 55 | 2028-07-05 | — | Active |
| KX4NV | 10 | 57 | 2018-11-02 | 2020-11-03 | Available |
| KX4NW | 10 | 57 | 2018-11-03 | 2020-11-04 | Available |
| KX4NX | 10 | 59 | 2036-03-07 | — | Active (Vanity) |
| KX4NY | 10 | 61 | 2018-11-06 | 2020-11-07 | Available |
| KX4NZ | 10 | 59 | 2018-11-10 | 2020-11-11 | Available |
| KX4OA | 9 | 59 | 2018-12-11 | 2020-12-12 | Available |
| KX4OB | 9 | 63 | 2031-11-12 | — | Active |
| KX4OC | 9 | 65 | 2018-11-27 | 2020-11-28 | Available |
| KX4OD | 9 | 61 | 2026-03-31 | 2028-04-01 | Canceled (grace period) |
| KX4OE | 9 | 55 | 2028-10-10 | — | Active |
| KX4OF | 9 | 63 | 2028-08-17 | — | Active |
| KX4OG | 8 | 63 | 2028-11-14 | — | Active |
| KX4OH | 9 | 61 | 2035-12-02 | — | Active |
| KX4OI | 10 | 57 | 2018-12-07 | 2020-12-08 | Available |
| KX4OJ | 10 | 67 | 2028-11-06 | — | Active |
| KX4OK | 9 | 63 | 2028-11-19 | — | Active |
| KX4OL | 9 | 63 | 2028-11-19 | — | Active |
| KX4OM | 8 | 61 | 2032-05-18 | — | Active (Vanity) |
| KX4ON | 10 | 59 | 2028-11-19 | — | Active |
| KX4OO | 9 | 65 | 2028-11-21 | — | Active |
| KX4OP | 9 | 65 | 2032-06-09 | — | Active |
| KX4OQ | 9 | 67 | 2018-12-18 | 2020-12-19 | Available |
| KX4OR | 10 | 61 | 2028-11-28 | — | Active |
| KX4OS | 10 | 59 | 2028-11-28 | — | Active |
| KX4OT | 9 | 57 | 2028-10-10 | — | Active |
| KX4OU | 10 | 61 | 2028-11-13 | — | Active |
| KX4OV | 9 | 63 | 2028-08-13 | — | Active |
| KX4OW | 9 | 63 | 2028-12-11 | — | Active |
| KX4OX | 9 | 65 | 2027-09-21 | — | Active |
| KX4OY | 9 | 67 | 2028-09-10 | — | Active |
| KX4OZ | 9 | 65 | 2031-12-26 | — | Active |
| KX4PA | 9 | 59 | 2028-01-23 | — | Active |
| KX4PB | 9 | 63 | 2019-03-05 | 2021-03-06 | Available |
| KX4PC | 9 | 65 | 2019-02-26 | 2021-02-27 | Available |
| KX4PD | 9 | 61 | 2029-01-03 | — | Active |
| KX4PE | 9 | 55 | 2023-03-31 | 2025-04-01 | Available |
| KX4PF | 9 | 63 | 2022-07-06 | 2024-07-07 | Available |
| KX4PG | 8 | 63 | 2029-01-30 | — | Active |
| KX4PH | 9 | 61 | 2029-01-30 | — | Active |
| KX4PI | 10 | 57 | 2019-02-22 | 2021-02-23 | Available |
| KX4PJ | 10 | 67 | 2029-01-30 | — | Active |
| KX4PK | 9 | 63 | 2028-02-16 | — | Active |
| KX4PL | 9 | 63 | 2019-02-26 | 2021-02-27 | Available |
| KX4PM | 8 | 61 | 2035-01-08 | — | Active |
| KX4PN | 10 | 59 | 2028-12-13 | — | Active |
| KX4PO | 9 | 65 | 2029-01-31 | — | Active |
| KX4PP | 9 | 65 | 2029-01-31 | — | Active |
| KX4PQ | 9 | 67 | 2029-01-31 | — | Active |
| KX4PR | 10 | 61 | 2034-12-21 | — | Active |
| KX4PS | 10 | 59 | 2024-05-20 | 2026-05-21 | Available |
| KX4PT | 9 | 57 | 2019-03-05 | 2021-03-06 | Available |
| KX4PU | 10 | 61 | 2019-03-01 | 2021-03-02 | Available |
| KX4PV | 9 | 63 | 2019-03-05 | 2021-03-06 | Available |
| KX4PW | 9 | 63 | 2027-04-11 | — | Active |
| KX4PX | 9 | 65 | 2029-01-30 | — | Active |
| KX4PY | 9 | 67 | 2029-02-11 | — | Active |
| KX4PZ | 9 | 65 | 2029-02-11 | — | Active |
| KX4QA | 9 | 61 | 2029-02-11 | — | Active |
| KX4QB | 9 | 65 | 2020-04-17 | 2022-04-18 | Available |
| KX4QC | 9 | 67 | 2029-02-14 | — | Active |
| KX4QD | 9 | 63 | 2029-02-15 | — | Active |