District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KC4UDR | 13 | 67 | 2000-11-20 | 2002-11-21 | Available |
| KC4UDS | 13 | 65 | 2033-10-13 | — | Active |
| KC4UDT | 12 | 63 | 2011-09-17 | 2013-09-18 | Available |
| KC4UDU | 13 | 67 | 2022-05-12 | 2024-05-13 | Available |
| KC4UDV | 12 | 69 | 2000-11-20 | 2002-11-21 | Available |
| KC4UDW | 12 | 69 | — | — | Available |
| KC4UDX | 12 | 71 | 2011-12-10 | 2013-12-11 | Available |
| KC4UDY | 12 | 73 | 2011-11-29 | 2013-11-30 | Available |
| KC4UDZ | 12 | 71 | 2030-12-11 | — | Active |
| KC4UEA | 12 | 59 | 2002-03-31 | 2004-04-01 | Available |
| KC4UEB | 12 | 63 | 2021-09-12 | 2023-09-13 | Available |
| KC4UEC | 12 | 65 | 2021-03-05 | 2023-03-06 | Available |
| KC4UED | 12 | 61 | 2011-05-21 | 2013-05-22 | Available |
| KC4UEE | 12 | 55 | 2000-11-20 | 2002-11-21 | Available |
| KC4UEF | 12 | 63 | 2000-11-20 | 2002-11-21 | Available |
| KC4UEG | 11 | 63 | — | — | Available |
| KC4UEH | 12 | 61 | 2000-11-20 | 2002-11-21 | Available |
| KC4UEI | 13 | 57 | 2009-04-07 | 2011-04-08 | Available |
| KC4UEJ | 13 | 67 | 2010-11-20 | 2012-11-21 | Available |
| KC4UEK | 12 | 63 | 2000-11-20 | 2002-11-21 | Available |
| KC4UEL | 12 | 63 | 2001-03-12 | 2003-03-13 | Available |
| KC4UEM | 11 | 61 | — | — | Available |
| KC4UEN | 13 | 59 | 2014-09-25 | 2016-09-26 | Available |
| KC4UEO | 12 | 65 | — | — | Available |
| KC4UEP | 12 | 65 | — | — | Available |
| KC4UEQ | 12 | 67 | — | — | Available |
| KC4UER | 13 | 61 | 2030-11-20 | — | Active |
| KC4UES | 13 | 59 | 2001-06-25 | 2003-06-26 | Available |
| KC4UET | 12 | 57 | — | — | Available |
| KC4UEU | 13 | 61 | 2000-11-20 | 2002-11-21 | Available |
| KC4UEV | 12 | 63 | 2010-11-20 | 2012-11-21 | Available |
| KC4UEW | 12 | 63 | — | — | Available |
| KC4UEX | 12 | 65 | 2031-02-05 | — | Active |
| KC4UEY | 12 | 67 | — | — | Available |
| KC4UEZ | 12 | 65 | 2012-07-14 | 2014-07-15 | Available |
| KC4UFA | 12 | 67 | 2031-02-12 | — | Active |
| KC4UFB | 12 | 71 | 2001-08-06 | 2003-08-07 | Available |
| KC4UFC | 12 | 73 | 2011-01-03 | 2013-01-04 | Available |
| KC4UFD | 12 | 69 | 2010-11-27 | 2012-11-28 | Available |
| KC4UFE | 12 | 63 | 2012-07-14 | 2014-07-15 | Available |
| KC4UFF | 12 | 71 | — | — | Available |
| KC4UFG | 11 | 71 | 2022-10-01 | 2024-10-02 | Available |
| KC4UFH | 12 | 69 | 2010-11-27 | 2012-11-28 | Available |
| KC4UFI | 13 | 65 | 2012-07-14 | 2014-07-15 | Available |
| KC4UFJ | 13 | 75 | — | — | Available |
| KC4UFK | 12 | 71 | 2009-05-11 | 2011-05-12 | Available |
| KC4UFL | 12 | 71 | — | — | Available |
| KC4UFM | 11 | 69 | 2032-07-18 | — | Active |
| KC4UFN | 13 | 67 | 2015-02-19 | 2017-02-20 | Available |
| KC4UFO | 12 | 73 | 2035-04-09 | — | Active (Vanity) |
| KC4UFP | 12 | 73 | 2004-09-28 | 2006-09-29 | Available |
| KC4UFQ | 12 | 75 | — | — | Available |
| KC4UFR | 13 | 69 | 2000-11-27 | 2002-11-28 | Available |
| KC4UFS | 13 | 67 | — | — | Available |
| KC4UFT | 12 | 65 | 2011-04-02 | 2013-04-03 | Available |
| KC4UFU | 13 | 69 | 2012-08-09 | 2014-08-10 | Available |
| KC4UFV | 12 | 71 | 2000-11-27 | 2002-11-28 | Available |
| KC4UFW | 12 | 71 | 2022-10-25 | 2024-10-26 | Available |
| KC4UFX | 12 | 73 | — | — | Available |
| KC4UFY | 12 | 75 | 2011-04-02 | 2013-04-03 | Available |
| KC4UFZ | 12 | 73 | 2033-09-14 | — | Active |
| KC4UGA | 11 | 67 | 2000-11-27 | 2002-11-28 | Available |
| KC4UGB | 11 | 71 | 2000-11-27 | 2002-11-28 | Available |
| KC4UGC | 11 | 73 | 2000-11-27 | 2002-11-28 | Available |
| KC4UGD | 11 | 69 | 2000-11-27 | 2002-11-28 | Available |
| KC4UGE | 11 | 63 | 2030-11-27 | — | Active |
| KC4UGF | 11 | 71 | 2011-06-04 | 2013-06-05 | Available |
| KC4UGG | 10 | 71 | 2030-11-27 | — | Active |
| KC4UGH | 11 | 69 | 2034-05-23 | — | Active |
| KC4UGI | 12 | 65 | — | — | Available |
| KC4UGJ | 12 | 75 | — | — | Available |
| KC4UGK | 11 | 71 | — | — | Available |
| KC4UGL | 11 | 71 | 2032-09-11 | — | Active |
| KC4UGM | 10 | 69 | 2000-11-27 | 2002-11-28 | Available |
| KC4UGN | 12 | 67 | — | — | Available |
| KC4UGO | 11 | 73 | 2021-01-29 | 2023-01-30 | Available |
| KC4UGP | 11 | 73 | — | — | Available |
| KC4UGQ | 11 | 75 | — | — | Available |
| KC4UGR | 12 | 69 | — | — | Available |
| KC4UGS | 12 | 67 | 2010-11-27 | 2012-11-28 | Available |
| KC4UGT | 11 | 65 | — | — | Available |
| KC4UGU | 12 | 69 | — | — | Available |
| KC4UGV | 11 | 71 | — | — | Available |
| KC4UGW | 11 | 71 | — | — | Available |
| KC4UGX | 11 | 73 | — | — | Available |
| KC4UGY | 11 | 75 | 2011-03-26 | 2013-03-27 | Available |
| KC4UGZ | 11 | 73 | 2031-02-05 | — | Active |
| KC4UHA | 12 | 65 | 2000-11-27 | 2002-11-28 | Available |
| KC4UHB | 12 | 69 | 2021-04-30 | 2023-05-01 | Available |
| KC4UHC | 12 | 71 | 2000-11-27 | 2002-11-28 | Available |
| KC4UHD | 12 | 67 | 2001-02-12 | 2003-02-13 | Available |
| KC4UHE | 12 | 61 | 2003-04-27 | 2005-04-28 | Available |
| KC4UHF | 12 | 69 | — | — | Available |
| KC4UHG | 11 | 69 | 2002-08-11 | 2004-08-12 | Available |
| KC4UHH | 12 | 67 | 2001-02-12 | 2003-02-13 | Available |
| KC4UHI | 13 | 63 | 2021-12-10 | 2023-12-11 | Available |
| KC4UHJ | 13 | 73 | 2010-11-27 | 2012-11-28 | Available |
| KC4UHK | 12 | 69 | 2022-02-02 | 2024-02-03 | Available |
| KC4UHL | 12 | 69 | — | — | Available |
| KC4UHM | 11 | 67 | 2032-02-23 | — | Active |