District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4ALO | 9 | 57 | — | — | Available |
| K4ALP | 9 | 57 | 2036-11-19 | — | Active (Vanity) |
| K4ALQ | 9 | 59 | 2006-10-10 | 2008-10-11 | Available |
| K4ALR | 10 | 53 | 2022-02-11 | 2024-02-12 | Available |
| K4ALS | 10 | 51 | 2028-03-02 | — | Active (Vanity) |
| K4ALT | 9 | 49 | 2028-12-23 | — | Active (Vanity) |
| K4ALU | 10 | 53 | 2031-05-04 | — | Active (Vanity) |
| K4ALV | 9 | 55 | 2030-03-27 | — | Active (Vanity) |
| K4ALW | 9 | 55 | 2030-10-27 | — | Active (Vanity) |
| K4ALX | 9 | 57 | 2025-09-30 | — | Active (Vanity) |
| K4ALY | 9 | 59 | — | — | Available |
| K4ALZ | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| K4AMA | 8 | 49 | 2029-02-18 | — | Active (Vanity) |
| K4AMB | 8 | 53 | 2027-09-26 | — | Active (Vanity) |
| K4AMC | 8 | 55 | 2036-09-11 | — | Active |
| K4AMD | 8 | 51 | 2030-04-17 | — | Active (Vanity) |
| K4AME | 8 | 45 | 2027-05-27 | — | Active |
| K4AMF | 8 | 53 | 2032-12-18 | — | Active (Vanity) |
| K4AMG | 7 | 53 | 2028-07-12 | — | Active (Vanity) |
| K4AMH | 8 | 51 | 2034-06-24 | — | Active (Vanity) |
| K4AMI | 9 | 47 | 2027-09-17 | — | Active (Vanity) |
| K4AMJ | 9 | 57 | 2032-01-05 | — | Active (Vanity) |
| K4AMK | 8 | 53 | 2026-12-02 | — | Active (Vanity) |
| K4AML | 8 | 53 | 2026-06-17 | — | Active (Vanity) |
| K4AMM | 7 | 51 | 2032-11-05 | — | Active (Vanity) |
| K4AMN | 9 | 49 | 2025-11-28 | — | Active |
| K4AMO | 8 | 55 | 2025-09-13 | — | Active (Vanity) |
| K4AMP | 8 | 55 | 2031-02-10 | — | Active (Vanity) |
| K4AMQ | 8 | 57 | 2031-08-05 | — | Active (Vanity) |
| K4AMR | 9 | 51 | 2032-09-03 | — | Active (Vanity) |
| K4AMS | 9 | 49 | 2036-07-08 | — | Active (Vanity) |
| K4AMT | 8 | 47 | 2028-07-26 | — | Active (Vanity) |
| K4AMU | 9 | 51 | 2032-09-03 | — | Active (Vanity) |
| K4AMV | 8 | 53 | — | — | Available |
| K4AMW | 8 | 53 | 2029-03-13 | — | Active (Vanity) |
| K4AMX | 8 | 55 | 2035-09-06 | — | Active (Vanity) |
| K4AMY | 8 | 57 | 2029-10-31 | — | Active (Vanity) |
| K4AMZ | 8 | 55 | — | — | Available |
| K4ANA | 10 | 47 | 2029-02-24 | — | Active (Vanity) |
| K4ANB | 10 | 51 | — | — | Available |
| K4ANC | 10 | 53 | 2034-06-04 | — | Active (Vanity) |
| K4AND | 10 | 49 | 2034-02-21 | — | Active (Vanity) |
| K4ANE | 10 | 43 | 2027-12-01 | — | Active (Vanity) |
| K4ANF | 10 | 51 | — | — | Available |
| K4ANG | 9 | 51 | 2027-09-19 | — | Active (Vanity) |
| K4ANH | 10 | 49 | 2030-05-15 | — | Active (Vanity) |
| K4ANI | 11 | 45 | 2027-03-31 | — | Active (Vanity) |
| K4ANJ | 11 | 55 | 2032-10-25 | — | Active (Vanity) |
| K4ANK | 10 | 51 | — | — | Available |
| K4ANL | 10 | 51 | 2025-03-18 | 2027-03-19 | Canceled (grace period) |
| K4ANM | 9 | 49 | 2034-02-06 | — | Active (Vanity) |
| K4ANN | 11 | 47 | 2031-04-23 | — | Active (Vanity) |
| K4ANO | 10 | 53 | — | — | Available |
| K4ANP | 10 | 53 | 2029-10-26 | — | Active (Vanity) |
| K4ANQ | 10 | 55 | — | — | Available |
| K4ANR | 11 | 49 | 2027-04-08 | — | Active (Vanity) |
| K4ANS | 11 | 47 | 2027-12-19 | — | Active (Vanity) |
| K4ANT | 10 | 45 | 2033-01-28 | — | Active (Vanity) |
| K4ANU | 11 | 49 | 2035-01-23 | — | Active (Vanity) |
| K4ANV | 10 | 51 | — | — | Available |
| K4ANW | 10 | 51 | 2027-06-10 | — | Active (Vanity) |
| K4ANX | 10 | 53 | 2035-04-11 | — | Active (Vanity) |
| K4ANY | 10 | 55 | 2022-06-09 | 2024-06-10 | Available |
| K4ANZ | 10 | 53 | 2027-07-08 | — | Active (Vanity) |
| K4AOA | 9 | 53 | 2031-06-11 | — | Active (Vanity) |
| K4AOB | 9 | 57 | 2036-07-21 | — | Active (Vanity) |
| K4AOC | 9 | 59 | 2027-11-02 | — | Active (Vanity) |
| K4AOD | 9 | 55 | 2027-06-02 | — | Active |
| K4AOE | 9 | 49 | 2005-05-17 | 2007-05-18 | Available |
| K4AOF | 9 | 57 | — | — | Available |
| K4AOG | 8 | 57 | 2035-09-03 | — | Active (Vanity) |
| K4AOH | 9 | 55 | 2029-07-26 | — | Active (Vanity) |
| K4AOI | 10 | 51 | — | — | Available |
| K4AOJ | 10 | 61 | 2014-09-07 | 2016-09-08 | Available |
| K4AOK | 9 | 57 | 2028-09-28 | — | Active (Vanity) |
| K4AOL | 9 | 57 | 2036-02-02 | — | Active (Vanity) |
| K4AOM | 8 | 55 | 2028-07-22 | — | Active |
| K4AON | 10 | 53 | 2035-06-21 | — | Active (Vanity) |
| K4AOO | 9 | 59 | 2027-07-08 | — | Active (Vanity) |
| K4AOP | 9 | 59 | — | — | Available |
| K4AOQ | 9 | 61 | 2029-08-17 | — | Active (Vanity) |
| K4AOR | 10 | 55 | 2025-01-03 | — | Active (Vanity) |
| K4AOS | 10 | 53 | 2026-09-07 | — | Active (Vanity) |
| K4AOT | 9 | 51 | 2014-01-27 | 2016-01-28 | Available |
| K4AOU | 10 | 55 | — | — | Available |
| K4AOV | 9 | 57 | 2014-10-24 | 2016-10-25 | Available |
| K4AOW | 9 | 57 | 2027-06-19 | — | Active |
| K4AOX | 9 | 59 | — | — | Available |
| K4AOY | 9 | 61 | 2024-07-13 | 2026-07-14 | Available |
| K4AOZ | 9 | 59 | 2004-09-07 | 2006-09-08 | Available |
| K4APA | 9 | 53 | 2026-12-01 | — | Active |
| K4APB | 9 | 57 | 2033-06-25 | — | Active (Vanity) |
| K4APC | 9 | 59 | 2034-02-08 | — | Active |
| K4APD | 9 | 55 | 2026-06-24 | — | Active (Vanity) |
| K4APE | 9 | 49 | 2029-11-05 | — | Active (Vanity) |
| K4APF | 9 | 57 | 2024-04-12 | 2026-04-13 | Available |
| K4APG | 8 | 57 | 2013-09-21 | 2015-09-22 | Available |
| K4APH | 9 | 55 | 2007-11-11 | 2009-11-12 | Available |
| K4API | 10 | 51 | 2027-01-10 | — | Active (Vanity) |
| K4APJ | 10 | 61 | 2033-02-28 | — | Active (Vanity) |