District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4OBP | 11 | 75 | — | — | Available |
| KB4OBQ | 11 | 77 | 2003-03-09 | 2005-03-10 | Available |
| KB4OBR | 12 | 71 | 2005-04-13 | 2007-04-14 | Available |
| KB4OBS | 12 | 69 | 2005-05-04 | 2007-05-05 | Available |
| KB4OBT | 11 | 67 | 2005-01-30 | 2007-01-31 | Available |
| KB4OBU | 12 | 71 | — | — | Available |
| KB4OBV | 11 | 73 | — | — | Available |
| KB4OBW | 11 | 73 | 2015-04-21 | 2017-04-22 | Available |
| KB4OBX | 11 | 75 | — | — | Available |
| KB4OBY | 11 | 77 | — | — | Available |
| KB4OBZ | 11 | 75 | — | — | Available |
| KB4OCA | 11 | 71 | — | — | Available |
| KB4OCB | 11 | 75 | — | — | Available |
| KB4OCC | 11 | 77 | 2032-06-16 | — | Active |
| KB4OCD | 11 | 73 | — | — | Available |
| KB4OCE | 11 | 67 | — | — | Available |
| KB4OCF | 11 | 75 | 2015-03-15 | 2017-03-16 | Available |
| KB4OCG | 10 | 75 | 2024-07-22 | 2026-07-23 | Available |
| KB4OCH | 11 | 73 | 2008-08-18 | 2010-08-19 | Available |
| KB4OCI | 12 | 69 | 2013-02-16 | 2015-02-17 | Available |
| KB4OCJ | 12 | 79 | 2013-01-05 | 2015-01-06 | Available |
| KB4OCK | 11 | 75 | 2013-07-06 | 2015-07-07 | Available |
| KB4OCL | 11 | 75 | — | — | Available |
| KB4OCM | 10 | 73 | 2015-04-18 | 2017-04-19 | Available |
| KB4OCN | 12 | 71 | — | — | Available |
| KB4OCO | 11 | 77 | — | — | Available |
| KB4OCP | 11 | 77 | — | — | Available |
| KB4OCQ | 11 | 79 | — | — | Available |
| KB4OCR | 12 | 73 | — | — | Available |
| KB4OCS | 12 | 71 | 2000-09-07 | 2002-09-08 | Available |
| KB4OCT | 11 | 69 | 2011-05-07 | 2013-05-08 | Available |
| KB4OCU | 12 | 73 | 2034-01-18 | — | Active |
| KB4OCV | 11 | 75 | — | — | Available |
| KB4OCW | 11 | 75 | — | — | Available |
| KB4OCX | 11 | 77 | — | — | Available |
| KB4OCY | 11 | 79 | — | — | Available |
| KB4OCZ | 11 | 77 | 1998-10-20 | 2000-10-21 | Available |
| KB4ODA | 11 | 67 | 1998-05-03 | 2000-05-04 | Available |
| KB4ODB | 11 | 71 | — | — | Available |
| KB4ODC | 11 | 73 | — | — | Available |
| KB4ODD | 11 | 69 | — | — | Available |
| KB4ODE | 11 | 63 | 2001-02-17 | 2003-02-18 | Available |
| KB4ODF | 11 | 71 | 2005-06-28 | 2007-06-29 | Available |
| KB4ODG | 10 | 71 | — | — | Available |
| KB4ODH | 11 | 69 | — | — | Available |
| KB4ODI | 12 | 65 | 2005-06-06 | 2007-06-07 | Available |
| KB4ODJ | 12 | 75 | 2011-04-30 | 2013-05-01 | Available |
| KB4ODK | 11 | 71 | — | — | Available |
| KB4ODL | 11 | 71 | — | — | Available |
| KB4ODM | 10 | 69 | — | — | Available |
| KB4ODN | 12 | 67 | 2021-05-24 | 2023-05-25 | Available |
| KB4ODO | 11 | 73 | 2004-04-19 | 2006-04-20 | Available |
| KB4ODP | 11 | 73 | — | — | Available |
| KB4ODQ | 11 | 75 | — | — | Available |
| KB4ODR | 12 | 69 | — | — | Available |
| KB4ODS | 12 | 67 | — | — | Available |
| KB4ODT | 11 | 65 | — | — | Available |
| KB4ODU | 12 | 69 | — | — | Available |
| KB4ODV | 11 | 71 | — | — | Available |
| KB4ODW | 11 | 71 | — | — | Available |
| KB4ODX | 11 | 73 | — | — | Available |
| KB4ODY | 11 | 75 | — | — | Available |
| KB4ODZ | 11 | 73 | 2018-08-03 | 2020-08-04 | Available |
| KB4OEA | 11 | 61 | 2036-04-01 | — | Active |
| KB4OEB | 11 | 65 | — | — | Available |
| KB4OEC | 11 | 67 | — | — | Available |
| KB4OED | 11 | 63 | — | — | Available |
| KB4OEE | 11 | 57 | 2029-11-27 | — | Active |
| KB4OEF | 11 | 65 | — | — | Available |
| KB4OEG | 10 | 65 | — | — | Available |
| KB4OEH | 11 | 63 | — | — | Available |
| KB4OEI | 12 | 59 | 2034-11-30 | — | Active (Vanity) |
| KB4OEJ | 12 | 69 | 2029-04-01 | — | Active |
| KB4OEK | 11 | 65 | — | — | Available |
| KB4OEL | 11 | 65 | 2035-12-03 | — | Active |
| KB4OEM | 10 | 63 | — | — | Available |
| KB4OEN | 12 | 61 | 2013-11-30 | 2015-12-01 | Available |
| KB4OEO | 11 | 67 | — | — | Available |
| KB4OEP | 11 | 67 | 2015-12-04 | 2017-12-05 | Available |
| KB4OEQ | 11 | 69 | — | — | Available |
| KB4OER | 12 | 63 | 2020-11-17 | 2022-11-18 | Available |
| KB4OES | 12 | 61 | — | — | Available |
| KB4OET | 11 | 59 | — | — | Available |
| KB4OEU | 12 | 63 | 2006-05-16 | 2008-05-17 | Available |
| KB4OEV | 11 | 65 | — | — | Available |
| KB4OEW | 11 | 65 | 2025-03-06 | — | Active |
| KB4OEX | 11 | 67 | 2009-11-14 | 2011-11-15 | Available |
| KB4OEY | 11 | 69 | 2032-02-02 | — | Active |
| KB4OEZ | 11 | 67 | — | — | Available |
| KB4OFA | 11 | 69 | 2022-06-09 | 2024-06-10 | Available |
| KB4OFB | 11 | 73 | 2025-11-28 | — | Active |
| KB4OFC | 11 | 75 | — | — | Available |
| KB4OFD | 11 | 71 | — | — | Available |
| KB4OFE | 11 | 65 | — | — | Available |
| KB4OFF | 11 | 73 | — | — | Available |
| KB4OFG | 10 | 73 | — | — | Available |
| KB4OFH | 11 | 71 | 1998-02-26 | 2000-02-27 | Available |
| KB4OFI | 12 | 67 | — | — | Available |
| KB4OFJ | 12 | 77 | 2005-03-01 | 2007-03-02 | Available |
| KB4OFK | 11 | 73 | 2005-09-02 | 2007-09-03 | Available |