District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4XZH | 9 | 61 | 2031-03-27 | — | Active (Vanity) |
| K4XZI | 10 | 57 | — | — | Available |
| K4XZJ | 10 | 67 | — | — | Available |
| K4XZK | 9 | 63 | — | — | Available |
| K4XZL | 9 | 63 | — | — | Available |
| K4XZM | 8 | 61 | 2035-10-09 | — | Active (Vanity) |
| K4XZN | 10 | 59 | — | — | Available |
| K4XZO | 9 | 65 | — | — | Available |
| K4XZP | 9 | 65 | — | — | Available |
| K4XZQ | 9 | 67 | — | — | Available |
| K4XZR | 10 | 61 | — | — | Available |
| K4XZS | 10 | 59 | — | — | Available |
| K4XZT | 9 | 57 | — | — | Available |
| K4XZU | 10 | 61 | — | — | Available |
| K4XZV | 9 | 63 | — | — | Available |
| K4XZW | 9 | 63 | — | — | Available |
| K4XZX | 9 | 65 | — | — | Available |
| K4XZY | 9 | 67 | — | — | Available |
| K4XZZ | 9 | 65 | — | — | Available |
| K4YAA | 9 | 55 | 2031-10-19 | — | Active (Vanity) |
| K4YAB | 9 | 59 | 2029-03-20 | — | Active (Vanity) |
| K4YAC | 9 | 61 | 2035-12-09 | — | Active (Vanity) |
| K4YAD | 9 | 57 | — | — | Available |
| K4YAE | 9 | 51 | — | — | Available |
| K4YAF | 9 | 59 | 2014-05-31 | 2016-06-01 | Available |
| K4YAG | 8 | 59 | 2032-11-08 | — | Active (Vanity) |
| K4YAH | 9 | 57 | 2033-06-22 | — | Active (Vanity) |
| K4YAI | 10 | 53 | — | — | Available |
| K4YAJ | 10 | 63 | 2032-08-24 | — | Active (Vanity) |
| K4YAK | 9 | 59 | 2033-01-04 | — | Active (Vanity) |
| K4YAL | 9 | 59 | — | — | Available |
| K4YAM | 8 | 57 | 2024-03-05 | 2026-03-06 | Available |
| K4YAN | 10 | 55 | 2027-11-09 | — | Active (Vanity) |
| K4YAO | 9 | 61 | — | — | Available |
| K4YAP | 9 | 61 | 2028-08-03 | — | Active (Vanity) |
| K4YAQ | 9 | 63 | — | — | Available |
| K4YAR | 10 | 57 | 2035-12-16 | — | Active (Vanity) |
| K4YAS | 10 | 55 | — | — | Available |
| K4YAT | 9 | 53 | 2028-07-24 | — | Active (Vanity) |
| K4YAU | 10 | 57 | — | — | Available |
| K4YAV | 9 | 59 | 2014-05-31 | 2016-06-01 | Available |
| K4YAW | 9 | 59 | 2023-03-30 | 2025-03-31 | Available |
| K4YAX | 9 | 61 | 2027-08-01 | — | Active (Vanity) |
| K4YAY | 9 | 63 | 2028-03-02 | — | Active (Vanity) |
| K4YAZ | 9 | 61 | 2028-03-03 | — | Active (Vanity) |
| K4YBA | 9 | 59 | — | — | Available |
| K4YBB | 9 | 63 | 2032-06-05 | — | Active (Vanity) |
| K4YBC | 9 | 65 | 2036-01-19 | — | Active |
| K4YBD | 9 | 61 | 2035-03-10 | — | Active (Vanity) |
| K4YBE | 9 | 55 | — | — | Available |
| K4YBF | 9 | 63 | — | — | Available |
| K4YBG | 8 | 63 | 2004-08-11 | 2006-08-12 | Available |
| K4YBH | 9 | 61 | — | — | Available |
| K4YBI | 10 | 57 | — | — | Available |
| K4YBJ | 10 | 67 | — | — | Available |
| K4YBK | 9 | 63 | — | — | Available |
| K4YBL | 9 | 63 | — | — | Available |
| K4YBM | 8 | 61 | 2035-05-01 | — | Active (Vanity) |
| K4YBN | 10 | 59 | 2024-10-08 | 2026-10-09 | Available |
| K4YBO | 9 | 65 | — | — | Available |
| K4YBP | 9 | 65 | — | — | Available |
| K4YBQ | 9 | 67 | 2002-02-04 | 2004-02-05 | Available |
| K4YBR | 10 | 61 | — | — | Available |
| K4YBS | 10 | 59 | — | — | Available |
| K4YBT | 9 | 57 | 2034-04-09 | — | Active (Vanity) |
| K4YBU | 10 | 61 | — | — | Available |
| K4YBV | 9 | 63 | — | — | Available |
| K4YBW | 9 | 63 | — | — | Available |
| K4YBX | 9 | 65 | 2018-05-06 | 2020-05-07 | Available |
| K4YBY | 9 | 67 | 1998-09-20 | 2000-09-21 | Available |
| K4YBZ | 9 | 65 | 2028-01-29 | — | Active (Vanity) |
| K4YCA | 9 | 61 | — | — | Available |
| K4YCB | 9 | 65 | 2033-10-26 | — | Active |
| K4YCC | 9 | 67 | 2031-10-26 | — | Active (Vanity) |
| K4YCD | 9 | 63 | 2031-05-28 | — | Active |
| K4YCE | 9 | 57 | — | — | Available |
| K4YCF | 9 | 65 | 2028-12-30 | — | Active (Vanity) |
| K4YCG | 8 | 65 | — | — | Available |
| K4YCH | 9 | 63 | 2033-09-20 | — | Active (Vanity) |
| K4YCI | 10 | 59 | 2004-08-30 | 2006-08-31 | Available |
| K4YCJ | 10 | 69 | — | — | Available |
| K4YCK | 9 | 65 | 2032-02-18 | — | Active |
| K4YCL | 9 | 65 | 2028-07-30 | — | Active |
| K4YCM | 8 | 63 | — | — | Available |
| K4YCN | 10 | 61 | 2005-01-10 | 2007-01-11 | Available |
| K4YCO | 9 | 67 | — | — | Available |
| K4YCP | 9 | 67 | 2023-05-30 | 2025-05-31 | Available |
| K4YCQ | 9 | 69 | — | — | Available |
| K4YCR | 10 | 63 | 2032-05-12 | — | Active |
| K4YCS | 10 | 61 | 2005-05-24 | 2007-05-25 | Available |
| K4YCT | 9 | 59 | — | — | Available |
| K4YCU | 10 | 63 | — | — | Available |
| K4YCV | 9 | 65 | 2035-12-30 | — | Active (Vanity) |
| K4YCW | 9 | 65 | 2028-03-13 | — | Active (Vanity) |
| K4YCX | 9 | 67 | 2017-12-22 | 2019-12-23 | Available |
| K4YCY | 9 | 69 | — | — | Available |
| K4YCZ | 9 | 67 | 2017-10-21 | 2019-10-22 | Available |
| K4YDA | 9 | 57 | — | — | Available |
| K4YDB | 9 | 61 | 2033-10-17 | — | Active (Vanity) |
| K4YDC | 9 | 63 | — | — | Available |