District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4REN | 13 | 57 | 2036-01-17 | — | Active |
| KB4REO | 12 | 63 | — | — | Available |
| KB4REP | 12 | 63 | — | — | Available |
| KB4REQ | 12 | 65 | — | — | Available |
| KB4RER | 13 | 59 | — | — | Available |
| KB4RES | 13 | 57 | 2026-01-26 | — | Active |
| KB4RET | 12 | 55 | — | — | Available |
| KB4REU | 13 | 59 | 2016-10-04 | 2018-10-05 | Available |
| KB4REV | 12 | 61 | 2007-10-23 | 2009-10-24 | Available |
| KB4REW | 12 | 61 | 2034-12-10 | — | Active (Vanity) |
| KB4REX | 12 | 63 | 2036-02-02 | — | Active |
| KB4REY | 12 | 65 | — | — | Available |
| KB4REZ | 12 | 63 | 2005-11-28 | 2007-11-29 | Available |
| KB4RFA | 12 | 65 | — | — | Available |
| KB4RFB | 12 | 69 | — | — | Available |
| KB4RFC | 12 | 71 | — | — | Available |
| KB4RFD | 12 | 67 | — | — | Available |
| KB4RFE | 12 | 61 | 2036-09-24 | — | Active (Vanity) |
| KB4RFF | 12 | 69 | — | — | Available |
| KB4RFG | 11 | 69 | — | — | Available |
| KB4RFH | 12 | 67 | 2007-04-19 | 2009-04-20 | Available |
| KB4RFI | 13 | 63 | 1998-08-16 | 2000-08-17 | Available |
| KB4RFJ | 13 | 73 | 1998-08-16 | 2000-08-17 | Available |
| KB4RFK | 12 | 69 | — | — | Available |
| KB4RFL | 12 | 69 | 2016-01-23 | 2018-01-24 | Available |
| KB4RFM | 11 | 67 | 2028-05-08 | — | Active |
| KB4RFN | 13 | 65 | 2024-03-05 | 2026-03-06 | Available |
| KB4RFO | 12 | 71 | — | — | Available |
| KB4RFP | 12 | 71 | 2008-01-15 | 2010-01-16 | Available |
| KB4RFQ | 12 | 73 | — | — | Available |
| KB4RFR | 13 | 67 | — | — | Available |
| KB4RFS | 13 | 65 | 2016-09-19 | 2018-09-20 | Available |
| KB4RFT | 12 | 63 | 2017-12-29 | 2019-12-30 | Available |
| KB4RFU | 13 | 67 | — | — | Available |
| KB4RFV | 12 | 69 | — | — | Available |
| KB4RFW | 12 | 69 | 2009-03-22 | 2011-03-23 | Available |
| KB4RFX | 12 | 71 | — | — | Available |
| KB4RFY | 12 | 73 | — | — | Available |
| KB4RFZ | 12 | 71 | 2016-10-16 | 2018-10-17 | Available |
| KB4RGA | 11 | 65 | 2036-09-06 | — | Active |
| KB4RGB | 11 | 69 | 2006-03-14 | 2008-03-15 | Available |
| KB4RGC | 11 | 71 | 2020-09-08 | 2022-09-09 | Available |
| KB4RGD | 11 | 67 | — | — | Available |
| KB4RGE | 11 | 61 | 2017-09-25 | 2019-09-26 | Available |
| KB4RGF | 11 | 69 | 2007-05-04 | 2009-05-05 | Available |
| KB4RGG | 10 | 69 | — | — | Available |
| KB4RGH | 11 | 67 | 2029-01-23 | — | Active |
| KB4RGI | 12 | 63 | 2035-11-26 | — | Active |
| KB4RGJ | 12 | 73 | — | — | Available |
| KB4RGK | 11 | 69 | 2023-03-02 | 2025-03-03 | Available |
| KB4RGL | 11 | 69 | — | — | Available |
| KB4RGM | 10 | 67 | — | — | Available |
| KB4RGN | 12 | 65 | — | — | Available |
| KB4RGO | 11 | 71 | 2017-01-07 | 2019-01-08 | Available |
| KB4RGP | 11 | 71 | — | — | Available |
| KB4RGQ | 11 | 73 | — | — | Available |
| KB4RGR | 12 | 67 | — | — | Available |
| KB4RGS | 12 | 65 | — | — | Available |
| KB4RGT | 11 | 63 | — | — | Available |
| KB4RGU | 12 | 67 | — | — | Available |
| KB4RGV | 11 | 69 | — | — | Available |
| KB4RGW | 11 | 69 | 2022-10-08 | 2024-10-09 | Available |
| KB4RGX | 11 | 71 | 2026-06-30 | — | Active |
| KB4RGY | 11 | 73 | — | — | Available |
| KB4RGZ | 11 | 71 | — | — | Available |
| KB4RHA | 12 | 63 | 2005-10-21 | 2007-10-22 | Available |
| KB4RHB | 12 | 67 | 2015-10-27 | 2017-10-28 | Available |
| KB4RHC | 12 | 69 | — | — | Available |
| KB4RHD | 12 | 65 | 2005-12-06 | 2007-12-07 | Available |
| KB4RHE | 12 | 59 | — | — | Available |
| KB4RHF | 12 | 67 | — | — | Available |
| KB4RHG | 11 | 67 | — | — | Available |
| KB4RHH | 12 | 65 | — | — | Available |
| KB4RHI | 13 | 61 | 2015-12-15 | 2017-12-16 | Available |
| KB4RHJ | 13 | 71 | — | — | Available |
| KB4RHK | 12 | 67 | — | — | Available |
| KB4RHL | 12 | 67 | 2029-08-19 | — | Active |
| KB4RHM | 11 | 65 | 2028-11-20 | — | Active (Vanity) |
| KB4RHN | 13 | 63 | — | — | Available |
| KB4RHO | 12 | 69 | — | — | Available |
| KB4RHP | 12 | 69 | — | — | Available |
| KB4RHQ | 12 | 71 | — | — | Available |
| KB4RHR | 13 | 65 | — | — | Available |
| KB4RHS | 13 | 63 | — | — | Available |
| KB4RHT | 12 | 61 | — | — | Available |
| KB4RHU | 13 | 65 | 2018-08-17 | 2020-08-18 | Available |
| KB4RHV | 12 | 67 | 2005-10-23 | 2007-10-24 | Available |
| KB4RHW | 12 | 67 | 2005-11-22 | 2007-11-23 | Available |
| KB4RHX | 12 | 69 | 2005-11-28 | 2007-11-29 | Available |
| KB4RHY | 12 | 71 | — | — | Available |
| KB4RHZ | 12 | 69 | 2017-09-06 | 2019-09-07 | Available |
| KB4RIA | 13 | 59 | 2022-06-09 | 2024-06-10 | Available |
| KB4RIB | 13 | 63 | 2006-01-22 | 2008-01-23 | Available |
| KB4RIC | 13 | 65 | — | — | Available |
| KB4RID | 13 | 61 | — | — | Available |
| KB4RIE | 13 | 55 | — | — | Available |
| KB4RIF | 13 | 63 | 2005-11-07 | 2007-11-08 | Available |
| KB4RIG | 12 | 63 | 2020-03-06 | 2022-03-07 | Available |
| KB4RIH | 13 | 61 | — | — | Available |
| KB4RII | 14 | 57 | — | — | Available |