District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4OFL | 11 | 73 | 2005-02-28 | 2007-03-01 | Available |
| KB4OFM | 10 | 71 | — | — | Available |
| KB4OFN | 12 | 69 | — | — | Available |
| KB4OFO | 11 | 75 | — | — | Available |
| KB4OFP | 11 | 75 | 2026-08-01 | — | Active |
| KB4OFQ | 11 | 77 | — | — | Available |
| KB4OFR | 12 | 71 | — | — | Available |
| KB4OFS | 12 | 69 | — | — | Available |
| KB4OFT | 11 | 67 | 2014-07-16 | 2016-07-17 | Available |
| KB4OFU | 12 | 71 | — | — | Available |
| KB4OFV | 11 | 73 | — | — | Available |
| KB4OFW | 11 | 73 | 2028-12-30 | — | Active (Vanity) |
| KB4OFX | 11 | 75 | 2035-05-30 | — | Active |
| KB4OFY | 11 | 77 | 2005-06-07 | 2007-06-08 | Available |
| KB4OFZ | 11 | 75 | — | — | Available |
| KB4OGA | 10 | 69 | — | — | Available |
| KB4OGB | 10 | 73 | — | — | Available |
| KB4OGC | 10 | 75 | 2005-02-07 | 2007-02-08 | Available |
| KB4OGD | 10 | 71 | 2023-06-01 | 2025-06-02 | Available |
| KB4OGE | 10 | 65 | — | — | Available |
| KB4OGF | 10 | 73 | — | — | Available |
| KB4OGG | 9 | 73 | 2025-02-24 | — | Active |
| KB4OGH | 10 | 71 | — | — | Available |
| KB4OGI | 11 | 67 | 2017-03-07 | 2019-03-08 | Available |
| KB4OGJ | 11 | 77 | — | — | Available |
| KB4OGK | 10 | 73 | 2005-08-07 | 2007-08-08 | Available |
| KB4OGL | 10 | 73 | 2015-06-06 | 2017-06-07 | Available |
| KB4OGM | 9 | 71 | 1998-04-28 | 2000-04-29 | Available |
| KB4OGN | 11 | 69 | — | — | Available |
| KB4OGO | 10 | 75 | 2011-12-31 | 2014-01-01 | Available |
| KB4OGP | 10 | 75 | 2000-02-06 | 2002-02-07 | Available |
| KB4OGQ | 10 | 77 | — | — | Available |
| KB4OGR | 11 | 71 | — | — | Available |
| KB4OGS | 11 | 69 | — | — | Available |
| KB4OGT | 10 | 67 | 2015-03-17 | 2017-03-18 | Available |
| KB4OGU | 11 | 71 | 2005-06-07 | 2007-06-08 | Available |
| KB4OGV | 10 | 73 | 2034-05-15 | — | Active |
| KB4OGW | 10 | 73 | 2023-09-21 | 2025-09-22 | Available |
| KB4OGX | 10 | 75 | — | — | Available |
| KB4OGY | 10 | 77 | 2025-03-27 | — | Active |
| KB4OGZ | 10 | 75 | — | — | Available |
| KB4OHA | 11 | 67 | 1998-07-12 | 2000-07-13 | Available |
| KB4OHB | 11 | 71 | 2035-08-17 | — | Active |
| KB4OHC | 11 | 73 | 2036-12-31 | — | Active |
| KB4OHD | 11 | 69 | — | — | Available |
| KB4OHE | 11 | 63 | — | — | Available |
| KB4OHF | 11 | 71 | — | — | Available |
| KB4OHG | 10 | 71 | — | — | Available |
| KB4OHH | 11 | 69 | — | — | Available |
| KB4OHI | 12 | 65 | — | — | Available |
| KB4OHJ | 12 | 75 | — | — | Available |
| KB4OHK | 11 | 71 | — | — | Available |
| KB4OHL | 11 | 71 | 2010-08-07 | 2012-08-08 | Available |
| KB4OHM | 10 | 69 | 2026-03-06 | — | Active |
| KB4OHN | 12 | 67 | — | — | Available |
| KB4OHO | 11 | 73 | — | — | Available |
| KB4OHP | 11 | 73 | — | — | Available |
| KB4OHQ | 11 | 75 | — | — | Available |
| KB4OHR | 12 | 69 | — | — | Available |
| KB4OHS | 12 | 67 | — | — | Available |
| KB4OHT | 11 | 65 | 2007-05-15 | 2009-05-16 | Available |
| KB4OHU | 12 | 69 | — | — | Available |
| KB4OHV | 11 | 71 | — | — | Available |
| KB4OHW | 11 | 71 | — | — | Available |
| KB4OHX | 11 | 73 | 2017-06-02 | 2019-06-03 | Available |
| KB4OHY | 11 | 75 | — | — | Available |
| KB4OHZ | 11 | 73 | — | — | Available |
| KB4OIA | 12 | 63 | — | — | Available |
| KB4OIB | 12 | 67 | — | — | Available |
| KB4OIC | 12 | 69 | — | — | Available |
| KB4OID | 12 | 65 | 2035-04-16 | — | Active |
| KB4OIE | 12 | 59 | — | — | Available |
| KB4OIF | 12 | 67 | 2031-07-01 | — | Active |
| KB4OIG | 11 | 67 | — | — | Available |
| KB4OIH | 12 | 65 | — | — | Available |
| KB4OII | 13 | 61 | 2008-09-25 | 2010-09-26 | Available |
| KB4OIJ | 13 | 71 | — | — | Available |
| KB4OIK | 12 | 67 | — | — | Available |
| KB4OIL | 12 | 67 | — | — | Available |
| KB4OIM | 11 | 65 | — | — | Available |
| KB4OIN | 13 | 63 | — | — | Available |
| KB4OIO | 12 | 69 | — | — | Available |
| KB4OIP | 12 | 69 | — | — | Available |
| KB4OIQ | 12 | 71 | 2014-08-18 | 2016-08-19 | Available |
| KB4OIR | 13 | 65 | — | — | Available |
| KB4OIS | 13 | 63 | — | — | Available |
| KB4OIT | 12 | 61 | — | — | Available |
| KB4OIU | 13 | 65 | 2015-07-14 | 2017-07-15 | Available |
| KB4OIV | 12 | 67 | — | — | Available |
| KB4OIW | 12 | 67 | — | — | Available |
| KB4OIX | 12 | 69 | 2024-03-05 | 2026-03-06 | Available |
| KB4OIY | 12 | 71 | 2006-09-09 | 2008-09-10 | Available |
| KB4OIZ | 12 | 69 | 1999-09-05 | 2001-09-06 | Available |
| KB4OJA | 12 | 73 | — | — | Available |
| KB4OJB | 12 | 77 | — | — | Available |
| KB4OJC | 12 | 79 | 2009-04-12 | 2011-04-13 | Available |
| KB4OJD | 12 | 75 | 2016-07-17 | 2018-07-18 | Available |
| KB4OJE | 12 | 69 | — | — | Available |
| KB4OJF | 12 | 77 | — | — | Available |
| KB4OJG | 11 | 77 | — | — | Available |