District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4OND | 12 | 67 | 2009-03-26 | 2011-03-27 | Available |
| KB4ONE | 12 | 61 | — | — | Available |
| KB4ONF | 12 | 69 | — | — | Available |
| KB4ONG | 11 | 69 | — | — | Available |
| KB4ONH | 12 | 67 | 2026-07-02 | — | Active |
| KB4ONI | 13 | 63 | 1997-10-27 | 1999-10-28 | Available |
| KB4ONJ | 13 | 73 | 2016-07-07 | 2018-07-08 | Available |
| KB4ONK | 12 | 69 | 2024-03-05 | 2026-03-06 | Available |
| KB4ONL | 12 | 69 | 2005-08-09 | 2007-08-10 | Available |
| KB4ONM | 11 | 67 | 2016-04-11 | 2018-04-12 | Available |
| KB4ONN | 13 | 65 | — | — | Available |
| KB4ONO | 12 | 71 | — | — | Available |
| KB4ONP | 12 | 71 | — | — | Available |
| KB4ONQ | 12 | 73 | — | — | Available |
| KB4ONR | 13 | 67 | 2012-03-31 | 2014-04-01 | Available |
| KB4ONS | 13 | 65 | — | — | Available |
| KB4ONT | 12 | 63 | 2021-09-03 | 2023-09-04 | Available |
| KB4ONU | 13 | 67 | 2024-03-05 | 2026-03-06 | Available |
| KB4ONV | 12 | 69 | 2005-11-20 | 2007-11-21 | Available |
| KB4ONW | 12 | 69 | — | — | Available |
| KB4ONX | 12 | 71 | 2005-03-01 | 2007-03-02 | Available |
| KB4ONY | 12 | 73 | 2007-08-12 | 2009-08-13 | Available |
| KB4ONZ | 12 | 71 | 2020-02-20 | 2022-02-21 | Available |
| KB4OOA | 11 | 71 | — | — | Available |
| KB4OOB | 11 | 75 | — | — | Available |
| KB4OOC | 11 | 77 | — | — | Available |
| KB4OOD | 11 | 73 | — | — | Available |
| KB4OOE | 11 | 67 | — | — | Available |
| KB4OOF | 11 | 75 | — | — | Available |
| KB4OOG | 10 | 75 | — | — | Available |
| KB4OOH | 11 | 73 | — | — | Available |
| KB4OOI | 12 | 69 | 2016-08-15 | 2018-08-16 | Available |
| KB4OOJ | 12 | 79 | 2026-08-15 | — | Active |
| KB4OOK | 11 | 75 | 2035-03-01 | — | Active |
| KB4OOL | 11 | 75 | — | — | Available |
| KB4OOM | 10 | 73 | 2006-04-15 | 2008-04-16 | Available |
| KB4OON | 12 | 71 | 2016-03-28 | 2018-03-29 | Available |
| KB4OOO | 11 | 77 | 2015-05-01 | 2017-05-02 | Available |
| KB4OOP | 11 | 77 | — | — | Available |
| KB4OOQ | 11 | 79 | — | — | Available |
| KB4OOR | 12 | 73 | — | — | Available |
| KB4OOS | 12 | 71 | — | — | Available |
| KB4OOT | 11 | 69 | — | — | Available |
| KB4OOU | 12 | 73 | — | — | Available |
| KB4OOV | 11 | 75 | — | — | Available |
| KB4OOW | 11 | 75 | 2018-03-13 | 2020-03-14 | Available |
| KB4OOX | 11 | 77 | — | — | Available |
| KB4OOY | 11 | 79 | 2004-12-02 | 2006-12-03 | Available |
| KB4OOZ | 11 | 77 | 2005-03-24 | 2007-03-25 | Available |
| KB4OPA | 11 | 71 | — | — | Available |
| KB4OPB | 11 | 75 | — | — | Available |
| KB4OPC | 11 | 77 | 2005-06-06 | 2007-06-07 | Available |
| KB4OPD | 11 | 73 | 2016-03-18 | 2018-03-19 | Available |
| KB4OPE | 11 | 67 | — | — | Available |
| KB4OPF | 11 | 75 | 2021-08-05 | 2023-08-06 | Available |
| KB4OPG | 10 | 75 | — | — | Available |
| KB4OPH | 11 | 73 | — | — | Available |
| KB4OPI | 12 | 69 | — | — | Available |
| KB4OPJ | 12 | 79 | — | — | Available |
| KB4OPK | 11 | 75 | — | — | Available |
| KB4OPL | 11 | 75 | 2005-05-05 | 2007-05-06 | Available |
| KB4OPM | 10 | 73 | — | — | Available |
| KB4OPN | 12 | 71 | — | — | Available |
| KB4OPO | 11 | 77 | — | — | Available |
| KB4OPP | 11 | 77 | 2005-09-27 | 2007-09-28 | Available |
| KB4OPQ | 11 | 79 | — | — | Available |
| KB4OPR | 12 | 73 | 2028-02-27 | — | Active |
| KB4OPS | 12 | 71 | — | — | Available |
| KB4OPT | 11 | 69 | — | — | Available |
| KB4OPU | 12 | 73 | 2006-05-08 | 2008-05-09 | Available |
| KB4OPV | 11 | 75 | 2016-10-10 | 2018-10-11 | Available |
| KB4OPW | 11 | 75 | — | — | Available |
| KB4OPX | 11 | 77 | — | — | Available |
| KB4OPY | 11 | 79 | — | — | Available |
| KB4OPZ | 11 | 77 | 2034-08-08 | — | Active (Vanity) |
| KB4OQA | 11 | 73 | — | — | Available |
| KB4OQB | 11 | 77 | — | — | Available |
| KB4OQC | 11 | 79 | — | — | Available |
| KB4OQD | 11 | 75 | 2005-11-28 | 2007-11-29 | Available |
| KB4OQE | 11 | 69 | — | — | Available |
| KB4OQF | 11 | 77 | — | — | Available |
| KB4OQG | 10 | 77 | — | — | Available |
| KB4OQH | 11 | 75 | — | — | Available |
| KB4OQI | 12 | 71 | 2010-08-07 | 2012-08-08 | Available |
| KB4OQJ | 12 | 81 | — | — | Available |
| KB4OQK | 11 | 77 | — | — | Available |
| KB4OQL | 11 | 77 | 2005-04-12 | 2007-04-13 | Available |
| KB4OQM | 10 | 75 | — | — | Available |
| KB4OQN | 12 | 73 | — | — | Available |
| KB4OQO | 11 | 79 | 2001-10-05 | 2003-10-06 | Available |
| KB4OQP | 11 | 79 | 2015-03-21 | 2017-03-22 | Available |
| KB4OQQ | 11 | 81 | 2000-10-04 | 2002-10-05 | Available |
| KB4OQR | 12 | 75 | 2005-03-27 | 2007-03-28 | Available |
| KB4OQS | 12 | 73 | — | — | Available |
| KB4OQT | 11 | 71 | 2012-04-19 | 2014-04-20 | Available |
| KB4OQU | 12 | 75 | 2036-01-27 | — | Active |
| KB4OQV | 11 | 77 | 2028-02-14 | — | Active |
| KB4OQW | 11 | 77 | 2027-04-21 | — | Active |
| KB4OQX | 11 | 79 | — | — | Available |
| KB4OQY | 11 | 81 | — | — | Available |