District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4KLM | 8 | 57 | 2033-05-23 | — | Active (Vanity) |
| W4KLN | 10 | 55 | — | — | Available |
| W4KLO | 9 | 61 | 2033-06-06 | — | Active (Vanity) |
| W4KLP | 9 | 61 | 2034-01-03 | — | Active (Vanity) |
| W4KLQ | 9 | 63 | — | — | Available |
| W4KLR | 10 | 57 | 2031-09-07 | — | Active (Vanity) |
| W4KLS | 10 | 55 | 2028-11-06 | — | Active (Vanity) |
| W4KLT | 9 | 53 | 2029-12-15 | — | Active (Vanity) |
| W4KLU | 10 | 57 | 2025-10-27 | — | Active (Vanity) |
| W4KLV | 9 | 59 | 2034-05-10 | — | Active |
| W4KLW | 9 | 59 | 2032-12-03 | — | Active (Vanity) |
| W4KLX | 9 | 61 | 2034-05-25 | — | Active (Vanity) |
| W4KLY | 9 | 63 | 2027-09-28 | — | Active (Vanity) |
| W4KLZ | 9 | 61 | — | — | Available |
| W4KMA | 8 | 53 | 2036-07-18 | — | Active (Vanity) |
| W4KMB | 8 | 57 | 2031-08-03 | — | Active (Vanity) |
| W4KMC | 8 | 59 | 2027-06-20 | — | Active (Vanity) |
| W4KMD | 8 | 55 | 2027-02-14 | — | Active (Vanity) |
| W4KME | 8 | 49 | 2020-09-19 | 2022-09-20 | Available |
| W4KMF | 8 | 57 | — | — | Available |
| W4KMG | 7 | 57 | 2027-06-27 | — | Active (Vanity) |
| W4KMH | 8 | 55 | 2027-11-21 | — | Active (Vanity) |
| W4KMI | 9 | 51 | 2032-04-26 | — | Active (Vanity) |
| W4KMJ | 9 | 61 | — | — | Available |
| W4KMK | 8 | 57 | 2026-11-11 | — | Active (Vanity) |
| W4KML | 8 | 57 | 2029-11-19 | — | Active (Vanity) |
| W4KMM | 7 | 55 | 2028-05-16 | — | Active (Vanity) |
| W4KMN | 9 | 53 | 2035-02-18 | — | Active (Vanity) |
| W4KMO | 8 | 59 | 2025-04-18 | 2027-04-19 | Canceled (grace period) |
| W4KMP | 8 | 59 | — | — | Available |
| W4KMQ | 8 | 61 | — | — | Available |
| W4KMR | 9 | 55 | 2033-10-17 | — | Active (Vanity) |
| W4KMS | 9 | 53 | 2031-04-01 | — | Active (Vanity) |
| W4KMT | 8 | 51 | 2023-09-17 | 2025-09-18 | Available |
| W4KMU | 9 | 55 | 2031-08-15 | — | Active (Vanity) |
| W4KMV | 8 | 57 | — | — | Available |
| W4KMW | 8 | 57 | — | — | Available |
| W4KMX | 8 | 59 | 2026-12-24 | — | Active |
| W4KMY | 8 | 61 | — | — | Available |
| W4KMZ | 8 | 59 | 2035-04-12 | — | Active (Vanity) |
| W4KNA | 10 | 51 | 2036-05-06 | — | Active (Vanity) |
| W4KNB | 10 | 55 | 2024-03-29 | 2026-03-30 | Available |
| W4KNC | 10 | 57 | 2024-08-26 | 2026-08-27 | Available |
| W4KND | 10 | 53 | 2033-02-22 | — | Active (Vanity) |
| W4KNE | 10 | 47 | — | — | Available |
| W4KNF | 10 | 55 | 2006-01-11 | 2008-01-12 | Available |
| W4KNG | 9 | 55 | 2029-04-20 | — | Active (Vanity) |
| W4KNH | 10 | 53 | — | — | Available |
| W4KNI | 11 | 49 | 2025-05-05 | — | Active (Vanity) |
| W4KNJ | 11 | 59 | — | — | Available |
| W4KNK | 10 | 55 | — | — | Available |
| W4KNL | 10 | 55 | — | — | Available |
| W4KNM | 9 | 53 | — | — | Available |
| W4KNN | 11 | 51 | — | — | Available |
| W4KNO | 10 | 57 | — | — | Available |
| W4KNP | 10 | 57 | 2018-12-30 | 2020-12-31 | Available |
| W4KNQ | 10 | 59 | 2035-02-01 | — | Active (Vanity) |
| W4KNR | 11 | 53 | 2032-11-08 | — | Active (Vanity) |
| W4KNS | 11 | 51 | 2036-07-10 | — | Active (Vanity) |
| W4KNT | 10 | 49 | 2023-08-17 | 2025-08-18 | Available |
| W4KNU | 11 | 53 | — | — | Available |
| W4KNV | 10 | 55 | — | — | Available |
| W4KNW | 10 | 55 | — | — | Available |
| W4KNX | 10 | 57 | 2031-07-16 | — | Active (Vanity) |
| W4KNY | 10 | 59 | 2035-06-07 | — | Active (Vanity) |
| W4KNZ | 10 | 57 | — | — | Available |
| W4KOA | 9 | 57 | 2027-03-06 | — | Active (Vanity) |
| W4KOB | 9 | 61 | 2029-08-23 | — | Active (Vanity) |
| W4KOC | 9 | 63 | 2020-09-19 | 2022-09-20 | Available |
| W4KOD | 9 | 59 | 2032-02-08 | — | Active (Vanity) |
| W4KOE | 9 | 53 | 2025-02-02 | — | Active |
| W4KOF | 9 | 61 | 2004-12-20 | 2006-12-21 | Available |
| W4KOG | 8 | 61 | 2034-04-16 | — | Active (Vanity) |
| W4KOH | 9 | 59 | — | — | Available |
| W4KOI | 10 | 55 | 2014-11-21 | 2016-11-22 | Available |
| W4KOJ | 10 | 65 | 2026-06-07 | — | Active |
| W4KOK | 9 | 61 | — | — | Available |
| W4KOL | 9 | 61 | 2027-04-06 | — | Active (Vanity) |
| W4KOM | 8 | 59 | 2035-04-18 | — | Active (Vanity) |
| W4KON | 10 | 57 | 2012-02-04 | 2014-02-05 | Available |
| W4KOO | 9 | 63 | 2033-12-27 | — | Active (Vanity) |
| W4KOP | 9 | 63 | 2029-04-19 | — | Active (Vanity) |
| W4KOQ | 9 | 65 | — | — | Available |
| W4KOR | 10 | 59 | 2034-07-15 | — | Active (Vanity) |
| W4KOS | 10 | 57 | 2028-03-13 | — | Active (Vanity) |
| W4KOT | 9 | 55 | — | — | Available |
| W4KOU | 10 | 59 | — | — | Available |
| W4KOV | 9 | 61 | 2033-05-06 | — | Active (Vanity) |
| W4KOW | 9 | 61 | 2007-01-06 | 2009-01-07 | Available |
| W4KOX | 9 | 63 | 2032-06-12 | — | Active (Vanity) |
| W4KOY | 9 | 65 | — | — | Available |
| W4KOZ | 9 | 63 | 2036-03-20 | — | Active (Vanity) |
| W4KPA | 9 | 57 | 2028-06-25 | — | Active (Vanity) |
| W4KPB | 9 | 61 | 2031-02-27 | — | Active (Vanity) |
| W4KPC | 9 | 63 | 2035-04-26 | — | Active (Vanity) |
| W4KPD | 9 | 59 | 2032-11-13 | — | Active (Vanity) |
| W4KPE | 9 | 53 | 2018-07-15 | 2020-07-16 | Available |
| W4KPF | 9 | 61 | 2028-04-22 | — | Active (Vanity) |
| W4KPG | 8 | 61 | 2027-03-27 | — | Active (Vanity) |
| W4KPH | 9 | 59 | 2007-11-10 | 2009-11-11 | Available |