District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4CVC | 9 | 63 | 2025-08-12 | 2027-08-13 | Canceled (grace period) |
| K4CVD | 9 | 59 | 2033-01-18 | — | Active (Vanity) |
| K4CVE | 9 | 53 | 2028-12-18 | — | Active (Vanity) |
| K4CVF | 9 | 61 | 2015-02-28 | 2017-03-01 | Available |
| K4CVG | 8 | 61 | 2035-07-17 | — | Active (Vanity) |
| K4CVH | 9 | 59 | 2025-03-02 | — | Active (Vanity) |
| K4CVI | 10 | 55 | 2033-08-01 | — | Active (Vanity) |
| K4CVJ | 10 | 65 | — | — | Available |
| K4CVK | 9 | 61 | — | — | Available |
| K4CVL | 9 | 61 | 2036-03-31 | — | Active (Vanity) |
| K4CVM | 8 | 59 | — | — | Available |
| K4CVN | 10 | 57 | — | — | Available |
| K4CVO | 9 | 63 | — | — | Available |
| K4CVP | 9 | 63 | — | — | Available |
| K4CVQ | 9 | 65 | — | — | Available |
| K4CVR | 10 | 59 | 2034-05-18 | — | Active (Vanity) |
| K4CVS | 10 | 57 | 2026-11-15 | — | Active (Vanity) |
| K4CVT | 9 | 55 | 2032-03-22 | — | Active (Vanity) |
| K4CVU | 10 | 59 | — | — | Available |
| K4CVV | 9 | 61 | — | — | Available |
| K4CVW | 9 | 61 | 2028-09-11 | — | Active (Vanity) |
| K4CVX | 9 | 63 | 2031-12-28 | — | Active (Vanity) |
| K4CVY | 9 | 65 | 2028-08-12 | — | Active (Vanity) |
| K4CVZ | 9 | 63 | 2015-08-16 | 2017-08-17 | Available |
| K4CWA | 9 | 57 | 2036-01-30 | — | Active (Vanity) |
| K4CWB | 9 | 61 | 2030-12-15 | — | Active (Vanity) |
| K4CWC | 9 | 63 | 2024-10-24 | 2026-10-25 | Available |
| K4CWD | 9 | 59 | 2025-06-09 | — | Active (Vanity) |
| K4CWE | 9 | 53 | 2005-01-10 | 2007-01-11 | Available |
| K4CWF | 9 | 61 | 2034-01-18 | — | Active (Vanity) |
| K4CWG | 8 | 61 | 2030-02-17 | — | Active (Vanity) |
| K4CWH | 9 | 59 | 2035-03-15 | — | Active (Vanity) |
| K4CWI | 10 | 55 | 2034-02-07 | — | Active (Vanity) |
| K4CWJ | 10 | 65 | 2031-02-16 | — | Active (Vanity) |
| K4CWK | 9 | 61 | 2032-05-07 | — | Active (Vanity) |
| K4CWL | 9 | 61 | 2036-10-07 | — | Active |
| K4CWM | 8 | 59 | 2027-04-08 | — | Active (Vanity) |
| K4CWN | 10 | 57 | 2029-07-14 | — | Active (Vanity) |
| K4CWO | 9 | 63 | 2028-12-17 | — | Active (Vanity) |
| K4CWP | 9 | 63 | 2031-02-21 | — | Active (Vanity) |
| K4CWQ | 9 | 65 | 2034-05-24 | — | Active |
| K4CWR | 10 | 59 | 2021-02-06 | 2023-02-07 | Available |
| K4CWS | 10 | 57 | 2036-07-24 | — | Active |
| K4CWT | 9 | 55 | 2028-04-13 | — | Active (Vanity) |
| K4CWU | 10 | 59 | — | — | Available |
| K4CWV | 9 | 61 | — | — | Available |
| K4CWW | 9 | 61 | 2030-05-08 | — | Active |
| K4CWX | 9 | 63 | 2028-08-12 | — | Active (Vanity) |
| K4CWY | 9 | 65 | — | — | Available |
| K4CWZ | 9 | 63 | 2034-02-27 | — | Active (Vanity) |
| K4CXA | 9 | 59 | 2016-11-07 | 2018-11-08 | Available |
| K4CXB | 9 | 63 | 2025-04-05 | — | Active |
| K4CXC | 9 | 65 | — | — | Available |
| K4CXD | 9 | 61 | 2004-06-15 | 2006-06-16 | Available |
| K4CXE | 9 | 55 | 2031-10-25 | — | Active (Vanity) |
| K4CXF | 9 | 63 | — | — | Available |
| K4CXG | 8 | 63 | 2027-11-28 | — | Active (Vanity) |
| K4CXH | 9 | 61 | 2020-05-12 | 2022-05-13 | Available |
| K4CXI | 10 | 57 | 2007-03-21 | 2009-03-22 | Available |
| K4CXJ | 10 | 67 | — | — | Available |
| K4CXK | 9 | 63 | — | — | Available |
| K4CXL | 9 | 63 | — | — | Available |
| K4CXM | 8 | 61 | 2035-03-04 | — | Active (Vanity) |
| K4CXN | 10 | 59 | — | — | Available |
| K4CXO | 9 | 65 | 2030-12-16 | — | Active (Vanity) |
| K4CXP | 9 | 65 | 2022-02-11 | 2024-02-12 | Available |
| K4CXQ | 9 | 67 | 2006-06-12 | 2008-06-13 | Available |
| K4CXR | 10 | 61 | 2027-12-08 | — | Active (Vanity) |
| K4CXS | 10 | 59 | 2033-03-22 | — | Active (Vanity) |
| K4CXT | 9 | 57 | — | — | Available |
| K4CXU | 10 | 61 | 2033-05-02 | — | Active (Vanity) |
| K4CXV | 9 | 63 | — | — | Available |
| K4CXW | 9 | 63 | — | — | Available |
| K4CXX | 9 | 65 | 2033-11-16 | — | Active |
| K4CXY | 9 | 67 | — | — | Available |
| K4CXZ | 9 | 65 | — | — | Available |
| K4CYA | 9 | 61 | 2035-04-21 | — | Active (Vanity) |
| K4CYB | 9 | 65 | 2030-06-05 | — | Active (Vanity) |
| K4CYC | 9 | 67 | 2028-02-06 | — | Active (Vanity) |
| K4CYD | 9 | 63 | — | — | Available |
| K4CYE | 9 | 57 | — | — | Available |
| K4CYF | 9 | 65 | — | — | Available |
| K4CYG | 8 | 65 | 2022-09-11 | 2024-09-12 | Available |
| K4CYH | 9 | 63 | 2027-09-09 | — | Active (Vanity) |
| K4CYI | 10 | 59 | — | — | Available |
| K4CYJ | 10 | 69 | — | — | Available |
| K4CYK | 9 | 65 | — | — | Available |
| K4CYL | 9 | 65 | — | — | Available |
| K4CYM | 8 | 63 | — | — | Available |
| K4CYN | 10 | 61 | 2017-08-21 | 2019-08-22 | Available |
| K4CYO | 9 | 67 | — | — | Available |
| K4CYP | 9 | 67 | 2027-10-09 | — | Active |
| K4CYQ | 9 | 69 | — | — | Available |
| K4CYR | 10 | 63 | — | — | Available |
| K4CYS | 10 | 61 | 1998-08-23 | 2000-08-24 | Available |
| K4CYT | 9 | 59 | 2003-08-31 | 2005-09-01 | Available |
| K4CYU | 10 | 63 | — | — | Available |
| K4CYV | 9 | 65 | — | — | Available |
| K4CYW | 9 | 65 | — | — | Available |
| K4CYX | 9 | 67 | — | — | Available |