District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4RTX | 12 | 65 | 2030-03-23 | — | Active (Vanity) |
| KB4RTY | 12 | 67 | 2008-06-11 | 2010-06-12 | Available |
| KB4RTZ | 12 | 65 | — | — | Available |
| KB4RUA | 13 | 63 | — | — | Available |
| KB4RUB | 13 | 67 | 2019-06-08 | 2021-06-09 | Available |
| KB4RUC | 13 | 69 | — | — | Available |
| KB4RUD | 13 | 65 | — | — | Available |
| KB4RUE | 13 | 59 | — | — | Available |
| KB4RUF | 13 | 67 | — | — | Available |
| KB4RUG | 12 | 67 | 2007-08-07 | 2009-08-08 | Available |
| KB4RUH | 13 | 65 | — | — | Available |
| KB4RUI | 14 | 61 | — | — | Available |
| KB4RUJ | 14 | 71 | 2011-04-23 | 2013-04-24 | Available |
| KB4RUK | 13 | 67 | — | — | Available |
| KB4RUL | 13 | 67 | — | — | Available |
| KB4RUM | 12 | 65 | 1998-02-24 | 2000-02-25 | Available |
| KB4RUN | 14 | 63 | — | — | Available |
| KB4RUO | 13 | 69 | — | — | Available |
| KB4RUP | 13 | 69 | — | — | Available |
| KB4RUQ | 13 | 71 | — | — | Available |
| KB4RUR | 14 | 65 | 2026-02-23 | — | Active |
| KB4RUS | 14 | 63 | — | — | Available |
| KB4RUT | 13 | 61 | 2006-01-24 | 2008-01-25 | Available |
| KB4RUU | 14 | 65 | 2006-01-24 | 2008-01-25 | Available |
| KB4RUV | 13 | 67 | — | — | Available |
| KB4RUW | 13 | 67 | 2006-02-21 | 2008-02-22 | Available |
| KB4RUX | 13 | 69 | — | — | Available |
| KB4RUY | 13 | 71 | — | — | Available |
| KB4RUZ | 13 | 69 | — | — | Available |
| KB4RVA | 12 | 65 | 2034-03-23 | — | Active (Vanity) |
| KB4RVB | 12 | 69 | — | — | Available |
| KB4RVC | 12 | 71 | — | — | Available |
| KB4RVD | 12 | 67 | — | — | Available |
| KB4RVE | 12 | 61 | — | — | Available |
| KB4RVF | 12 | 69 | — | — | Available |
| KB4RVG | 11 | 69 | — | — | Available |
| KB4RVH | 12 | 67 | — | — | Available |
| KB4RVI | 13 | 63 | — | — | Available |
| KB4RVJ | 13 | 73 | — | — | Available |
| KB4RVK | 12 | 69 | — | — | Available |
| KB4RVL | 12 | 69 | — | — | Available |
| KB4RVM | 11 | 67 | 2002-09-22 | 2004-09-23 | Available |
| KB4RVN | 13 | 65 | — | — | Available |
| KB4RVO | 12 | 71 | — | — | Available |
| KB4RVP | 12 | 71 | — | — | Available |
| KB4RVQ | 12 | 73 | — | — | Available |
| KB4RVR | 13 | 67 | 2011-04-30 | 2013-05-01 | Available |
| KB4RVS | 13 | 65 | — | — | Available |
| KB4RVT | 12 | 63 | — | — | Available |
| KB4RVU | 13 | 67 | 2036-07-10 | — | Active |
| KB4RVV | 12 | 69 | — | — | Available |
| KB4RVW | 12 | 69 | 2006-09-09 | 2008-09-10 | Available |
| KB4RVX | 12 | 71 | 2016-08-07 | 2018-08-08 | Available |
| KB4RVY | 12 | 73 | 2006-01-23 | 2008-01-24 | Available |
| KB4RVZ | 12 | 71 | — | — | Available |
| KB4RWA | 12 | 65 | 2026-06-07 | — | Active |
| KB4RWB | 12 | 69 | 2004-08-15 | 2006-08-16 | Available |
| KB4RWC | 12 | 71 | 2000-11-13 | 2002-11-14 | Available |
| KB4RWD | 12 | 67 | — | — | Available |
| KB4RWE | 12 | 61 | 2016-04-05 | 2018-04-06 | Available |
| KB4RWF | 12 | 69 | — | — | Available |
| KB4RWG | 11 | 69 | — | — | Available |
| KB4RWH | 12 | 67 | — | — | Available |
| KB4RWI | 13 | 63 | — | — | Available |
| KB4RWJ | 13 | 73 | — | — | Available |
| KB4RWK | 12 | 69 | — | — | Available |
| KB4RWL | 12 | 69 | — | — | Available |
| KB4RWM | 11 | 67 | — | — | Available |
| KB4RWN | 13 | 65 | 2005-11-30 | 2007-12-01 | Available |
| KB4RWO | 12 | 71 | — | — | Available |
| KB4RWP | 12 | 71 | 2006-04-17 | 2008-04-18 | Available |
| KB4RWQ | 12 | 73 | — | — | Available |
| KB4RWR | 13 | 67 | 2019-04-12 | 2021-04-13 | Available |
| KB4RWS | 13 | 65 | — | — | Available |
| KB4RWT | 12 | 63 | — | — | Available |
| KB4RWU | 13 | 67 | 2003-06-22 | 2005-06-23 | Available |
| KB4RWV | 12 | 69 | — | — | Available |
| KB4RWW | 12 | 69 | — | — | Available |
| KB4RWX | 12 | 71 | 2028-03-10 | — | Active |
| KB4RWY | 12 | 73 | — | — | Available |
| KB4RWZ | 12 | 71 | — | — | Available |
| KB4RXA | 12 | 67 | 2005-11-28 | 2007-11-29 | Available |
| KB4RXB | 12 | 71 | 2015-11-28 | 2017-11-29 | Available |
| KB4RXC | 12 | 73 | 2005-11-28 | 2007-11-29 | Available |
| KB4RXD | 12 | 69 | — | — | Available |
| KB4RXE | 12 | 63 | — | — | Available |
| KB4RXF | 12 | 71 | — | — | Available |
| KB4RXG | 11 | 71 | — | — | Available |
| KB4RXH | 12 | 69 | — | — | Available |
| KB4RXI | 13 | 65 | 2028-04-07 | — | Active |
| KB4RXJ | 13 | 75 | — | — | Available |
| KB4RXK | 12 | 71 | — | — | Available |
| KB4RXL | 12 | 71 | 2007-09-25 | 2009-09-26 | Available |
| KB4RXM | 11 | 69 | — | — | Available |
| KB4RXN | 13 | 67 | — | — | Available |
| KB4RXO | 12 | 73 | — | — | Available |
| KB4RXP | 12 | 73 | — | — | Available |
| KB4RXQ | 12 | 75 | 2013-10-16 | 2015-10-17 | Available |
| KB4RXR | 13 | 69 | 2015-12-04 | 2017-12-05 | Available |
| KB4RXS | 13 | 67 | 2036-02-07 | — | Active |