District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KC4ZSX | 12 | 73 | — | — | Available |
| KC4ZSY | 12 | 75 | 2011-07-02 | 2013-07-03 | Available |
| KC4ZSZ | 12 | 73 | 1999-04-08 | 2001-04-09 | Available |
| KC4ZTA | 11 | 65 | 2001-07-02 | 2003-07-03 | Available |
| KC4ZTB | 11 | 69 | 2023-09-07 | 2025-09-08 | Available |
| KC4ZTC | 11 | 71 | 2031-09-01 | — | Active |
| KC4ZTD | 11 | 67 | 2017-10-03 | 2019-10-04 | Available |
| KC4ZTE | 11 | 61 | 2010-05-07 | 2012-05-08 | Available |
| KC4ZTF | 11 | 69 | 2034-05-03 | — | Active |
| KC4ZTG | 10 | 69 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZTH | 11 | 67 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZTI | 12 | 63 | 2023-03-30 | 2025-03-31 | Available |
| KC4ZTJ | 12 | 73 | 2003-09-12 | 2005-09-13 | Available |
| KC4ZTK | 11 | 69 | 2032-04-30 | — | Active |
| KC4ZTL | 11 | 69 | 2031-04-30 | — | Active |
| KC4ZTM | 10 | 67 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZTN | 12 | 65 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZTO | 11 | 71 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZTP | 11 | 71 | 1998-10-05 | 2000-10-06 | Available |
| KC4ZTQ | 11 | 73 | — | — | Available |
| KC4ZTR | 12 | 67 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZTS | 12 | 65 | 2031-04-30 | — | Active |
| KC4ZTT | 11 | 63 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZTU | 12 | 67 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZTV | 11 | 69 | 2004-06-29 | 2006-06-30 | Available |
| KC4ZTW | 11 | 69 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZTX | 11 | 71 | 2031-12-24 | — | Active |
| KC4ZTY | 11 | 73 | 2024-03-05 | 2026-03-06 | Available |
| KC4ZTZ | 11 | 71 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZUA | 12 | 69 | 2031-04-30 | — | Active |
| KC4ZUB | 12 | 73 | 2021-02-09 | 2023-02-10 | Available |
| KC4ZUC | 12 | 75 | 2031-04-30 | — | Active |
| KC4ZUD | 12 | 71 | 2000-06-20 | 2002-06-21 | Available |
| KC4ZUE | 12 | 65 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZUF | 12 | 73 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZUG | 11 | 73 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZUH | 12 | 71 | 2031-07-02 | — | Active |
| KC4ZUI | 13 | 67 | 2011-05-30 | 2013-05-31 | Available |
| KC4ZUJ | 13 | 77 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZUK | 12 | 73 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZUL | 12 | 73 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZUM | 11 | 71 | 2032-10-25 | — | Active |
| KC4ZUN | 13 | 69 | 2031-04-30 | — | Active |
| KC4ZUO | 12 | 75 | 2002-04-28 | 2004-04-29 | Available |
| KC4ZUP | 12 | 75 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZUQ | 12 | 77 | 2031-05-08 | — | Active |
| KC4ZUR | 13 | 71 | 2017-07-25 | 2019-07-26 | Available |
| KC4ZUS | 13 | 69 | 2022-02-06 | 2024-02-07 | Available |
| KC4ZUT | 12 | 67 | 2031-04-30 | — | Active |
| KC4ZUU | 13 | 71 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZUV | 12 | 73 | 2031-08-03 | — | Active |
| KC4ZUW | 12 | 73 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZUX | 12 | 75 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZUY | 12 | 77 | — | — | Available |
| KC4ZUZ | 12 | 75 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZVA | 11 | 71 | 2031-04-30 | — | Active |
| KC4ZVB | 11 | 75 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZVC | 11 | 77 | 2031-04-30 | — | Active |
| KC4ZVD | 11 | 73 | 2031-04-30 | — | Active |
| KC4ZVE | 11 | 67 | 2002-03-27 | 2004-03-28 | Available |
| KC4ZVF | 11 | 75 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZVG | 10 | 75 | 2032-07-06 | — | Active |
| KC4ZVH | 11 | 73 | 2031-05-15 | — | Active |
| KC4ZVI | 12 | 69 | 1999-04-21 | 2001-04-22 | Available |
| KC4ZVJ | 12 | 79 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZVK | 11 | 75 | 2034-08-27 | — | Active |
| KC4ZVL | 11 | 75 | 2032-09-13 | — | Active (Vanity) |
| KC4ZVM | 10 | 73 | 2022-03-23 | 2024-03-24 | Available |
| KC4ZVN | 12 | 71 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZVO | 11 | 77 | 1999-07-09 | 2001-07-10 | Available |
| KC4ZVP | 11 | 77 | 2031-05-05 | — | Active |
| KC4ZVQ | 11 | 79 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZVR | 12 | 73 | — | — | Available |
| KC4ZVS | 12 | 71 | 2033-04-25 | — | Active |
| KC4ZVT | 11 | 69 | 2031-04-30 | — | Active |
| KC4ZVU | 12 | 73 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZVV | 11 | 75 | 2012-03-06 | 2014-03-07 | Available |
| KC4ZVW | 11 | 75 | 2032-03-17 | — | Active |
| KC4ZVX | 11 | 77 | 2031-04-30 | — | Active |
| KC4ZVY | 11 | 79 | 2031-07-17 | — | Active |
| KC4ZVZ | 11 | 77 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZWA | 11 | 71 | 2031-04-30 | — | Active |
| KC4ZWB | 11 | 75 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZWC | 11 | 77 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZWD | 11 | 73 | 2031-04-30 | — | Active |
| KC4ZWE | 11 | 67 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZWF | 11 | 75 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZWG | 10 | 75 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZWH | 11 | 73 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZWI | 12 | 69 | — | — | Available |
| KC4ZWJ | 12 | 79 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZWK | 11 | 75 | 2022-05-12 | 2024-05-13 | Available |
| KC4ZWL | 11 | 75 | 2007-06-21 | 2009-06-22 | Available |
| KC4ZWM | 10 | 73 | 2021-04-30 | 2023-05-01 | Available |
| KC4ZWN | 12 | 71 | 2011-04-30 | 2013-05-01 | Available |
| KC4ZWO | 11 | 77 | 2000-08-22 | 2002-08-23 | Available |
| KC4ZWP | 11 | 77 | 2033-08-09 | — | Active |
| KC4ZWQ | 11 | 79 | — | — | Available |
| KC4ZWR | 12 | 73 | 2001-04-30 | 2003-05-01 | Available |
| KC4ZWS | 12 | 71 | 1998-11-18 | 2000-11-19 | Available |