District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KD4ORJ | 13 | 73 | — | — | Available |
| KD4ORK | 12 | 69 | 2017-10-17 | 2019-10-18 | Available |
| KD4ORL | 12 | 69 | 2022-05-26 | 2024-05-27 | Available |
| KD4ORM | 11 | 67 | 2002-05-26 | 2004-05-27 | Available |
| KD4ORN | 13 | 65 | 2012-05-26 | 2014-05-27 | Available |
| KD4ORO | 12 | 71 | 2032-09-29 | — | Active |
| KD4ORP | 12 | 71 | 2012-05-26 | 2014-05-27 | Available |
| KD4ORQ | 12 | 73 | — | — | Available |
| KD4ORR | 13 | 67 | — | — | Available |
| KD4ORS | 13 | 65 | 2013-05-17 | 2015-05-18 | Available |
| KD4ORT | 12 | 63 | 2022-05-26 | 2024-05-27 | Available |
| KD4ORU | 13 | 67 | — | — | Available |
| KD4ORV | 12 | 69 | — | — | Available |
| KD4ORW | 12 | 69 | 2012-07-14 | 2014-07-15 | Available |
| KD4ORX | 12 | 71 | — | — | Available |
| KD4ORY | 12 | 73 | — | — | Available |
| KD4ORZ | 12 | 71 | 2023-06-04 | 2025-06-05 | Available |
| KD4OSA | 12 | 63 | 2008-05-13 | 2010-05-14 | Available |
| KD4OSB | 12 | 67 | — | — | Available |
| KD4OSC | 12 | 69 | 2002-05-26 | 2004-05-27 | Available |
| KD4OSD | 12 | 65 | — | — | Available |
| KD4OSE | 12 | 59 | — | — | Available |
| KD4OSF | 12 | 67 | 2002-05-26 | 2004-05-27 | Available |
| KD4OSG | 11 | 67 | — | — | Available |
| KD4OSH | 12 | 65 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSI | 13 | 61 | 2003-12-28 | 2005-12-29 | Available |
| KD4OSJ | 13 | 71 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSK | 12 | 67 | 2012-05-26 | 2014-05-27 | Available |
| KD4OSL | 12 | 67 | 2001-08-29 | 2003-08-30 | Available |
| KD4OSM | 11 | 65 | 2033-07-27 | — | Active |
| KD4OSN | 13 | 63 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSO | 12 | 69 | 2000-06-06 | 2002-06-07 | Available |
| KD4OSP | 12 | 69 | 2033-06-05 | — | Active |
| KD4OSQ | 12 | 71 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSR | 13 | 65 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSS | 13 | 63 | 2022-08-22 | 2024-08-23 | Available |
| KD4OST | 12 | 61 | 2003-03-16 | 2005-03-17 | Available |
| KD4OSU | 13 | 65 | 2012-05-26 | 2014-05-27 | Available |
| KD4OSV | 12 | 67 | 2002-05-26 | 2004-05-27 | Available |
| KD4OSW | 12 | 67 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSX | 12 | 69 | 2002-05-26 | 2004-05-27 | Available |
| KD4OSY | 12 | 71 | 2022-05-26 | 2024-05-27 | Available |
| KD4OSZ | 12 | 69 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTA | 11 | 61 | 2032-05-26 | — | Active |
| KD4OTB | 11 | 65 | 2032-05-26 | — | Active |
| KD4OTC | 11 | 67 | — | — | Available |
| KD4OTD | 11 | 63 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTE | 11 | 57 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTF | 11 | 65 | 2022-05-26 | 2024-05-27 | Available |
| KD4OTG | 10 | 65 | 2022-11-03 | 2024-11-04 | Available |
| KD4OTH | 11 | 63 | — | — | Available |
| KD4OTI | 12 | 59 | — | — | Available |
| KD4OTJ | 12 | 69 | — | — | Available |
| KD4OTK | 11 | 65 | — | — | Available |
| KD4OTL | 11 | 65 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTM | 10 | 63 | 2014-02-13 | 2016-02-14 | Available |
| KD4OTN | 12 | 61 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTO | 11 | 67 | 2002-07-21 | 2004-07-22 | Available |
| KD4OTP | 11 | 67 | — | — | Available |
| KD4OTQ | 11 | 69 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTR | 12 | 63 | 2024-03-05 | 2026-03-06 | Available |
| KD4OTS | 12 | 61 | 2003-01-26 | 2005-01-27 | Available |
| KD4OTT | 11 | 59 | 2017-04-18 | 2019-04-19 | Available |
| KD4OTU | 12 | 63 | 2024-03-05 | 2026-03-06 | Available |
| KD4OTV | 11 | 65 | 2002-05-26 | 2004-05-27 | Available |
| KD4OTW | 11 | 65 | 2022-05-26 | 2024-05-27 | Available |
| KD4OTX | 11 | 67 | — | — | Available |
| KD4OTY | 11 | 69 | 2032-05-26 | — | Active |
| KD4OTZ | 11 | 67 | 2032-05-26 | — | Active |
| KD4OUA | 12 | 65 | 2012-08-29 | 2014-08-30 | Available |
| KD4OUB | 12 | 69 | 2033-07-20 | — | Active |
| KD4OUC | 12 | 71 | 2033-07-20 | — | Active |
| KD4OUD | 12 | 67 | 2022-08-17 | 2024-08-18 | Available |
| KD4OUE | 12 | 61 | 2022-05-26 | 2024-05-27 | Available |
| KD4OUF | 12 | 69 | 2017-12-22 | 2019-12-23 | Available |
| KD4OUG | 11 | 69 | 2014-02-19 | 2016-02-20 | Available |
| KD4OUH | 12 | 67 | 2002-05-26 | 2004-05-27 | Available |
| KD4OUI | 13 | 63 | 2024-03-05 | 2026-03-06 | Available |
| KD4OUJ | 13 | 73 | 2012-05-26 | 2014-05-27 | Available |
| KD4OUK | 12 | 69 | — | — | Available |
| KD4OUL | 12 | 69 | 2032-05-26 | — | Active |
| KD4OUM | 11 | 67 | 2002-05-26 | 2004-05-27 | Available |
| KD4OUN | 13 | 65 | 2005-05-04 | 2007-05-05 | Available |
| KD4OUO | 12 | 71 | 2032-05-26 | — | Active |
| KD4OUP | 12 | 71 | 2007-05-18 | 2009-05-19 | Available |
| KD4OUQ | 12 | 73 | 2012-05-26 | 2014-05-27 | Available |
| KD4OUR | 13 | 67 | 2012-05-26 | 2014-05-27 | Available |
| KD4OUS | 13 | 65 | — | — | Available |
| KD4OUT | 12 | 63 | 2022-05-26 | 2024-05-27 | Available |
| KD4OUU | 13 | 67 | 2024-03-06 | 2026-03-07 | Available |
| KD4OUV | 12 | 69 | 2012-05-26 | 2014-05-27 | Available |
| KD4OUW | 12 | 69 | 2022-05-26 | 2024-05-27 | Available |
| KD4OUX | 12 | 71 | 2012-05-26 | 2014-05-27 | Available |
| KD4OUY | 12 | 73 | — | — | Available |
| KD4OUZ | 12 | 71 | 2032-06-28 | — | Active |
| KD4OVA | 11 | 67 | 2012-05-26 | 2014-05-27 | Available |
| KD4OVB | 11 | 71 | 2012-05-26 | 2014-05-27 | Available |
| KD4OVC | 11 | 73 | 2002-05-26 | 2004-05-27 | Available |
| KD4OVD | 11 | 69 | 2022-05-26 | 2024-05-27 | Available |
| KD4OVE | 11 | 63 | 2012-05-26 | 2014-05-27 | Available |