District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4CYY | 9 | 69 | 2030-03-13 | — | Active |
| K4CYZ | 9 | 67 | 2024-05-24 | 2026-05-25 | Available |
| K4CZA | 9 | 59 | 2003-03-02 | 2005-03-03 | Available |
| K4CZB | 9 | 63 | 2016-01-19 | 2018-01-20 | Available |
| K4CZC | 9 | 65 | — | — | Available |
| K4CZD | 9 | 61 | — | — | Available |
| K4CZE | 9 | 55 | — | — | Available |
| K4CZF | 9 | 63 | — | — | Available |
| K4CZG | 8 | 63 | — | — | Available |
| K4CZH | 9 | 61 | — | — | Available |
| K4CZI | 10 | 57 | 2014-05-24 | 2016-05-25 | Available |
| K4CZJ | 10 | 67 | — | — | Available |
| K4CZK | 9 | 63 | — | — | Available |
| K4CZL | 9 | 63 | 2028-01-07 | — | Active (Vanity) |
| K4CZM | 8 | 61 | — | — | Available |
| K4CZN | 10 | 59 | — | — | Available |
| K4CZO | 9 | 65 | 2006-04-12 | 2008-04-13 | Available |
| K4CZP | 9 | 65 | 2016-05-06 | 2018-05-07 | Available |
| K4CZQ | 9 | 67 | — | — | Available |
| K4CZR | 10 | 61 | 2035-02-21 | — | Active (Vanity) |
| K4CZS | 10 | 59 | — | — | Available |
| K4CZT | 9 | 57 | 2017-08-29 | 2019-08-30 | Available |
| K4CZU | 10 | 61 | — | — | Available |
| K4CZV | 9 | 63 | — | — | Available |
| K4CZW | 9 | 63 | — | — | Available |
| K4CZX | 9 | 65 | 2012-03-24 | 2014-03-25 | Available |
| K4CZY | 9 | 67 | 2030-09-19 | — | Active (Vanity) |
| K4CZZ | 9 | 65 | 2026-02-09 | — | Active |
| K4DAA | 9 | 49 | 2030-01-25 | — | Active (Vanity) |
| K4DAB | 9 | 53 | 2027-10-31 | — | Active (Vanity) |
| K4DAC | 9 | 55 | 2026-06-19 | — | Active |
| K4DAD | 9 | 51 | 2036-06-07 | — | Active (Vanity) |
| K4DAE | 9 | 45 | 2030-09-11 | — | Active (Vanity) |
| K4DAF | 9 | 53 | 2033-06-22 | — | Active (Vanity) |
| K4DAG | 8 | 53 | 2027-10-16 | — | Active (Vanity) |
| K4DAH | 9 | 51 | 2025-11-17 | — | Active (Vanity) |
| K4DAI | 10 | 47 | 2035-04-11 | — | Active (Vanity) |
| K4DAJ | 10 | 57 | 2035-09-15 | — | Active (Vanity) |
| K4DAK | 9 | 53 | 2032-01-21 | — | Active |
| K4DAL | 9 | 53 | 2032-06-22 | — | Active (Vanity) |
| K4DAM | 8 | 51 | 2024-10-03 | 2026-10-04 | Available |
| K4DAN | 10 | 49 | 2030-02-09 | — | Active (Vanity) |
| K4DAO | 9 | 55 | — | — | Available |
| K4DAP | 9 | 55 | 2025-04-03 | — | Active |
| K4DAQ | 9 | 57 | — | — | Available |
| K4DAR | 10 | 51 | 2028-06-19 | — | Active (Vanity) |
| K4DAS | 10 | 49 | 2024-03-05 | 2026-03-06 | Available |
| K4DAT | 9 | 47 | 2034-09-04 | — | Active (Vanity) |
| K4DAU | 10 | 51 | 2006-01-16 | 2008-01-17 | Available |
| K4DAV | 9 | 53 | 2029-05-12 | — | Active (Vanity) |
| K4DAW | 9 | 53 | 2034-06-02 | — | Active (Vanity) |
| K4DAX | 9 | 55 | 2036-04-17 | — | Active (Vanity) |
| K4DAY | 9 | 57 | 2030-07-27 | — | Active (Vanity) |
| K4DAZ | 9 | 55 | 2035-01-14 | — | Active (Vanity) |
| K4DBA | 9 | 53 | 2030-04-11 | — | Active (Vanity) |
| K4DBB | 9 | 57 | — | — | Available |
| K4DBC | 9 | 59 | 2031-04-03 | — | Active (Vanity) |
| K4DBD | 9 | 55 | 2027-09-08 | — | Active (Vanity) |
| K4DBE | 9 | 49 | 2028-12-14 | — | Active (Vanity) |
| K4DBF | 9 | 57 | 2031-08-03 | — | Active (Vanity) |
| K4DBG | 8 | 57 | 2030-07-24 | — | Active (Vanity) |
| K4DBH | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| K4DBI | 10 | 51 | 2031-04-03 | — | Active (Vanity) |
| K4DBJ | 10 | 61 | 2031-02-18 | — | Active (Vanity) |
| K4DBK | 9 | 57 | 2035-10-16 | — | Active (Vanity) |
| K4DBL | 9 | 57 | 2030-02-21 | — | Active (Vanity) |
| K4DBM | 8 | 55 | 2026-07-23 | — | Active (Vanity) |
| K4DBN | 10 | 53 | 2031-09-03 | — | Active (Vanity) |
| K4DBO | 9 | 59 | 2035-02-13 | — | Active (Vanity) |
| K4DBP | 9 | 59 | 2030-07-24 | — | Active (Vanity) |
| K4DBQ | 9 | 61 | — | — | Available |
| K4DBR | 10 | 55 | 2027-02-11 | — | Active (Vanity) |
| K4DBS | 10 | 53 | 2035-04-03 | — | Active (Vanity) |
| K4DBT | 9 | 51 | 2031-09-21 | — | Active (Vanity) |
| K4DBU | 10 | 55 | — | — | Available |
| K4DBV | 9 | 57 | 2026-09-20 | — | Active (Vanity) |
| K4DBW | 9 | 57 | 2029-02-20 | — | Active (Vanity) |
| K4DBX | 9 | 59 | 2036-05-29 | — | Active (Vanity) |
| K4DBY | 9 | 61 | — | — | Available |
| K4DBZ | 9 | 59 | 2027-12-15 | — | Active (Vanity) |
| K4DCA | 9 | 55 | 2029-11-30 | — | Active (Vanity) |
| K4DCB | 9 | 59 | 2030-10-16 | — | Active (Vanity) |
| K4DCC | 9 | 61 | 2031-02-02 | — | Active (Vanity) |
| K4DCD | 9 | 57 | 2029-12-15 | — | Active (Vanity) |
| K4DCE | 9 | 51 | 2036-04-12 | — | Active (Vanity) |
| K4DCF | 9 | 59 | 2030-04-07 | — | Active (Vanity) |
| K4DCG | 8 | 59 | 2027-08-29 | — | Active (Vanity) |
| K4DCH | 9 | 57 | 2033-03-18 | — | Active (Vanity) |
| K4DCI | 10 | 53 | — | — | Available |
| K4DCJ | 10 | 63 | 2024-06-15 | 2026-06-16 | Available |
| K4DCK | 9 | 59 | 2034-08-09 | — | Active (Vanity) |
| K4DCL | 9 | 59 | 2031-10-14 | — | Active (Vanity) |
| K4DCM | 8 | 57 | 2033-10-17 | — | Active (Vanity) |
| K4DCN | 10 | 55 | 2025-07-13 | — | Active |
| K4DCO | 9 | 61 | — | — | Available |
| K4DCP | 9 | 61 | 2029-03-12 | — | Active (Vanity) |
| K4DCQ | 9 | 63 | — | — | Available |
| K4DCR | 10 | 57 | 2030-07-21 | — | Active (Vanity) |
| K4DCS | 10 | 55 | 2034-03-13 | — | Active (Vanity) |
| K4DCT | 9 | 53 | 2035-04-18 | — | Active (Vanity) |