District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4YDD | 9 | 59 | 2022-09-11 | 2024-09-12 | Available |
| K4YDE | 9 | 53 | 2028-05-08 | — | Active (Vanity) |
| K4YDF | 9 | 61 | 2029-05-14 | — | Active (Vanity) |
| K4YDG | 8 | 61 | 2033-01-05 | — | Active |
| K4YDH | 9 | 59 | — | — | Available |
| K4YDI | 10 | 55 | 2030-04-07 | — | Active (Vanity) |
| K4YDJ | 10 | 65 | — | — | Available |
| K4YDK | 9 | 61 | 2001-06-05 | 2003-06-06 | Available |
| K4YDL | 9 | 61 | 2031-07-30 | — | Active (Vanity) |
| K4YDM | 8 | 59 | — | — | Available |
| K4YDN | 10 | 57 | 2032-03-24 | — | Active |
| K4YDO | 9 | 63 | 2029-04-28 | — | Active |
| K4YDP | 9 | 63 | 2027-03-27 | — | Active |
| K4YDQ | 9 | 65 | — | — | Available |
| K4YDR | 10 | 59 | — | — | Available |
| K4YDS | 10 | 57 | — | — | Available |
| K4YDT | 9 | 55 | — | — | Available |
| K4YDU | 10 | 59 | — | — | Available |
| K4YDV | 9 | 61 | 2025-01-17 | 2027-01-18 | Canceled (grace period) |
| K4YDW | 9 | 61 | — | — | Available |
| K4YDX | 9 | 63 | 2027-02-22 | — | Active (Vanity) |
| K4YDY | 9 | 65 | — | — | Available |
| K4YDZ | 9 | 63 | — | — | Available |
| K4YEA | 9 | 51 | 2020-11-19 | 2022-11-20 | Available |
| K4YEB | 9 | 55 | — | — | Available |
| K4YEC | 9 | 57 | 2024-06-22 | 2026-06-23 | Available |
| K4YED | 9 | 53 | — | — | Available |
| K4YEE | 9 | 47 | — | — | Available |
| K4YEF | 9 | 55 | 2034-05-03 | — | Active |
| K4YEG | 8 | 55 | 2018-01-26 | 2020-01-27 | Available |
| K4YEH | 9 | 53 | 2033-02-16 | — | Active |
| K4YEI | 10 | 49 | — | — | Available |
| K4YEJ | 10 | 59 | — | — | Available |
| K4YEK | 9 | 55 | — | — | Available |
| K4YEL | 9 | 55 | — | — | Available |
| K4YEM | 8 | 53 | — | — | Available |
| K4YEN | 10 | 51 | — | — | Available |
| K4YEO | 9 | 57 | 2006-10-16 | 2008-10-17 | Available |
| K4YEP | 9 | 57 | 2010-07-16 | 2012-07-17 | Available |
| K4YEQ | 9 | 59 | — | — | Available |
| K4YER | 10 | 53 | 2008-01-21 | 2010-01-22 | Available |
| K4YES | 10 | 51 | 2036-06-29 | — | Active (Vanity) |
| K4YET | 9 | 49 | 2017-12-31 | 2020-01-01 | Available |
| K4YEU | 10 | 53 | — | — | Available |
| K4YEV | 9 | 55 | — | — | Available |
| K4YEW | 9 | 55 | — | — | Available |
| K4YEX | 9 | 57 | 2018-08-19 | 2020-08-20 | Available |
| K4YEY | 9 | 59 | — | — | Available |
| K4YEZ | 9 | 57 | 2028-08-30 | — | Active |
| K4YFA | 9 | 59 | 2029-02-26 | — | Active (Vanity) |
| K4YFB | 9 | 63 | — | — | Available |
| K4YFC | 9 | 65 | 2026-04-17 | — | Active |
| K4YFD | 9 | 61 | — | — | Available |
| K4YFE | 9 | 55 | — | — | Available |
| K4YFF | 9 | 63 | 1998-05-10 | 2000-05-11 | Available |
| K4YFG | 8 | 63 | 1998-04-16 | 2000-04-17 | Available |
| K4YFH | 9 | 61 | 2027-02-07 | — | Active |
| K4YFI | 10 | 57 | — | — | Available |
| K4YFJ | 10 | 67 | — | — | Available |
| K4YFK | 9 | 63 | 2006-07-22 | 2008-07-23 | Available |
| K4YFL | 9 | 63 | — | — | Available |
| K4YFM | 8 | 61 | — | — | Available |
| K4YFN | 10 | 59 | — | — | Available |
| K4YFO | 9 | 65 | 2033-08-22 | — | Active (Vanity) |
| K4YFP | 9 | 65 | — | — | Available |
| K4YFQ | 9 | 67 | — | — | Available |
| K4YFR | 10 | 61 | 2034-10-13 | — | Active |
| K4YFS | 10 | 59 | — | — | Available |
| K4YFT | 9 | 57 | 2018-08-13 | 2020-08-14 | Available |
| K4YFU | 10 | 61 | 2016-12-09 | 2018-12-10 | Available |
| K4YFV | 9 | 63 | — | — | Available |
| K4YFW | 9 | 63 | 2027-09-14 | — | Active (Vanity) |
| K4YFX | 9 | 65 | — | — | Available |
| K4YFY | 9 | 67 | — | — | Available |
| K4YFZ | 9 | 65 | 2028-07-28 | — | Active |
| K4YGA | 8 | 59 | — | — | Available |
| K4YGB | 8 | 63 | — | — | Available |
| K4YGC | 8 | 65 | — | — | Available |
| K4YGD | 8 | 61 | 2028-08-13 | — | Active |
| K4YGE | 8 | 55 | 2034-12-13 | — | Active (Vanity) |
| K4YGF | 8 | 63 | — | — | Available |
| K4YGG | 7 | 63 | 2024-05-17 | 2026-05-18 | Available |
| K4YGH | 8 | 61 | — | — | Available |
| K4YGI | 9 | 57 | — | — | Available |
| K4YGJ | 9 | 67 | — | — | Available |
| K4YGK | 8 | 63 | — | — | Available |
| K4YGL | 8 | 63 | — | — | Available |
| K4YGM | 7 | 61 | 2006-07-24 | 2008-07-25 | Available |
| K4YGN | 9 | 59 | — | — | Available |
| K4YGO | 8 | 65 | — | — | Available |
| K4YGP | 8 | 65 | — | — | Available |
| K4YGQ | 8 | 67 | 2024-08-19 | 2026-08-20 | Available |
| K4YGR | 9 | 61 | — | — | Available |
| K4YGS | 9 | 59 | — | — | Available |
| K4YGT | 8 | 57 | — | — | Available |
| K4YGU | 9 | 61 | — | — | Available |
| K4YGV | 8 | 63 | — | — | Available |
| K4YGW | 8 | 63 | 2031-01-19 | — | Active (Vanity) |
| K4YGX | 8 | 65 | — | — | Available |
| K4YGY | 8 | 67 | — | — | Available |