District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4AHS | 10 | 49 | 2034-01-13 | — | Active (Vanity) |
| K4AHT | 9 | 47 | — | — | Available |
| K4AHU | 10 | 51 | 2026-01-17 | — | Active |
| K4AHV | 9 | 53 | — | — | Available |
| K4AHW | 9 | 53 | 2034-09-03 | — | Active (Vanity) |
| K4AHX | 9 | 55 | — | — | Available |
| K4AHY | 9 | 57 | 2019-04-30 | 2021-05-01 | Available |
| K4AHZ | 9 | 55 | 2029-11-08 | — | Active (Vanity) |
| K4AIA | 10 | 45 | — | — | Available |
| K4AIB | 10 | 49 | 2033-04-25 | — | Active (Vanity) |
| K4AIC | 10 | 51 | — | — | Available |
| K4AID | 10 | 47 | 2036-03-21 | — | Active (Vanity) |
| K4AIE | 10 | 41 | 2030-08-28 | — | Active (Vanity) |
| K4AIF | 10 | 49 | 2016-05-13 | 2018-05-14 | Available |
| K4AIG | 9 | 49 | — | — | Available |
| K4AIH | 10 | 47 | 2034-11-26 | — | Active (Vanity) |
| K4AII | 11 | 43 | 2032-08-05 | — | Active (Vanity) |
| K4AIJ | 11 | 53 | 2028-01-15 | — | Active (Vanity) |
| K4AIK | 10 | 49 | — | — | Available |
| K4AIL | 10 | 49 | 2036-09-05 | — | Active (Vanity) |
| K4AIM | 9 | 47 | 2027-10-17 | — | Active (Vanity) |
| K4AIN | 11 | 45 | — | — | Available |
| K4AIO | 10 | 51 | 2031-09-10 | — | Active |
| K4AIP | 10 | 51 | 2030-01-25 | — | Active |
| K4AIQ | 10 | 53 | 2029-06-09 | — | Active (Vanity) |
| K4AIR | 11 | 47 | 2027-09-17 | — | Active (Vanity) |
| K4AIS | 11 | 45 | 2033-05-23 | — | Active (Vanity) |
| K4AIT | 10 | 43 | — | — | Available |
| K4AIU | 11 | 47 | 2033-07-20 | — | Active (Vanity) |
| K4AIV | 10 | 49 | 2036-03-11 | — | Active (Vanity) |
| K4AIW | 10 | 49 | — | — | Available |
| K4AIX | 10 | 51 | 2030-10-14 | — | Active (Vanity) |
| K4AIY | 10 | 53 | 2003-02-23 | 2005-02-24 | Available |
| K4AIZ | 10 | 51 | — | — | Available |
| K4AJA | 10 | 55 | 2034-02-23 | — | Active (Vanity) |
| K4AJB | 10 | 59 | 2031-03-09 | — | Active (Vanity) |
| K4AJC | 10 | 61 | 2026-06-01 | — | Active (Vanity) |
| K4AJD | 10 | 57 | 2035-08-02 | — | Active (Vanity) |
| K4AJE | 10 | 51 | 2024-03-08 | 2026-03-09 | Available |
| K4AJF | 10 | 59 | 2028-04-03 | — | Active |
| K4AJG | 9 | 59 | 2032-03-17 | — | Active |
| K4AJH | 10 | 57 | 2029-06-24 | — | Active (Vanity) |
| K4AJI | 11 | 53 | 2022-03-15 | 2024-03-16 | Available |
| K4AJJ | 11 | 63 | 2031-10-30 | — | Active (Vanity) |
| K4AJK | 10 | 59 | 2029-09-10 | — | Active (Vanity) |
| K4AJL | 10 | 59 | 2027-12-27 | — | Active (Vanity) |
| K4AJM | 9 | 57 | 2029-07-22 | — | Active (Vanity) |
| K4AJN | 11 | 55 | 2027-07-03 | — | Active |
| K4AJO | 10 | 61 | — | — | Available |
| K4AJP | 10 | 61 | 2031-11-04 | — | Active (Vanity) |
| K4AJQ | 10 | 63 | 2029-12-19 | — | Active |
| K4AJR | 11 | 57 | 2034-11-16 | — | Active |
| K4AJS | 11 | 55 | 2034-06-04 | — | Active (Vanity) |
| K4AJT | 10 | 53 | 2028-04-28 | — | Active (Vanity) |
| K4AJU | 11 | 57 | — | — | Available |
| K4AJV | 10 | 59 | — | — | Available |
| K4AJW | 10 | 59 | 2036-08-09 | — | Active (Vanity) |
| K4AJX | 10 | 61 | 2032-03-15 | — | Active (Vanity) |
| K4AJY | 10 | 63 | 2028-02-06 | — | Active (Vanity) |
| K4AJZ | 10 | 61 | 2029-04-05 | — | Active (Vanity) |
| K4AKA | 9 | 51 | 2036-03-28 | — | Active (Vanity) |
| K4AKB | 9 | 55 | — | — | Available |
| K4AKC | 9 | 57 | 2028-07-15 | — | Active (Vanity) |
| K4AKD | 9 | 53 | 2020-08-04 | 2022-08-05 | Available |
| K4AKE | 9 | 47 | — | — | Available |
| K4AKF | 9 | 55 | — | — | Available |
| K4AKG | 8 | 55 | 2034-05-24 | — | Active |
| K4AKH | 9 | 53 | — | — | Available |
| K4AKI | 10 | 49 | 2026-08-16 | — | Active (Vanity) |
| K4AKJ | 10 | 59 | 2019-06-21 | 2021-06-22 | Available |
| K4AKK | 9 | 55 | 2035-12-09 | — | Active (Vanity) |
| K4AKL | 9 | 55 | 2029-08-05 | — | Active (Vanity) |
| K4AKM | 8 | 53 | 2034-11-26 | — | Active (Vanity) |
| K4AKN | 10 | 51 | — | — | Available |
| K4AKO | 9 | 57 | 2031-02-13 | — | Active (Vanity) |
| K4AKP | 9 | 57 | — | — | Available |
| K4AKQ | 9 | 59 | — | — | Available |
| K4AKR | 10 | 53 | 2028-12-01 | — | Active (Vanity) |
| K4AKS | 10 | 51 | 2031-05-04 | — | Active (Vanity) |
| K4AKT | 9 | 49 | 2027-04-08 | — | Active (Vanity) |
| K4AKU | 10 | 53 | 2017-06-06 | 2019-06-07 | Available |
| K4AKV | 9 | 55 | 2033-09-16 | — | Active (Vanity) |
| K4AKW | 9 | 55 | 2027-10-23 | — | Active |
| K4AKX | 9 | 57 | 2031-04-09 | — | Active (Vanity) |
| K4AKY | 9 | 59 | 2031-03-30 | — | Active (Vanity) |
| K4AKZ | 9 | 57 | 2030-06-13 | — | Active (Vanity) |
| K4ALA | 9 | 51 | 2035-07-29 | — | Active (Vanity) |
| K4ALB | 9 | 55 | 2033-08-15 | — | Active (Vanity) |
| K4ALC | 9 | 57 | 2035-05-10 | — | Active |
| K4ALD | 9 | 53 | 2027-10-03 | — | Active (Vanity) |
| K4ALE | 9 | 47 | 2036-12-08 | — | Active (Vanity) |
| K4ALF | 9 | 55 | 2035-02-01 | — | Active (Vanity) |
| K4ALG | 8 | 55 | 2026-03-25 | — | Active |
| K4ALH | 9 | 53 | 2030-03-18 | — | Active (Vanity) |
| K4ALI | 10 | 49 | 2035-08-06 | — | Active (Vanity) |
| K4ALJ | 10 | 59 | 2033-02-21 | — | Active (Vanity) |
| K4ALK | 9 | 55 | 2024-07-09 | 2026-07-10 | Available |
| K4ALL | 9 | 55 | 2031-01-05 | — | Active (Vanity) |
| K4ALM | 8 | 53 | 2031-12-24 | — | Active (Vanity) |
| K4ALN | 10 | 51 | 2028-05-28 | — | Active (Vanity) |