District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4SFL | 12 | 67 | 1999-01-13 | 2001-01-14 | Available |
| KB4SFM | 11 | 65 | — | — | Available |
| KB4SFN | 13 | 63 | 2028-04-08 | — | Active |
| KB4SFO | 12 | 69 | — | — | Available |
| KB4SFP | 12 | 69 | 2018-10-05 | 2020-10-06 | Available |
| KB4SFQ | 12 | 71 | — | — | Available |
| KB4SFR | 13 | 65 | — | — | Available |
| KB4SFS | 13 | 63 | 2036-03-04 | — | Active |
| KB4SFT | 12 | 61 | — | — | Available |
| KB4SFU | 13 | 65 | 1998-11-29 | 2000-11-30 | Available |
| KB4SFV | 12 | 67 | 2005-12-08 | 2007-12-09 | Available |
| KB4SFW | 12 | 67 | — | — | Available |
| KB4SFX | 12 | 69 | — | — | Available |
| KB4SFY | 12 | 71 | — | — | Available |
| KB4SFZ | 12 | 69 | — | — | Available |
| KB4SGA | 11 | 63 | 2029-04-09 | — | Active (Vanity) |
| KB4SGB | 11 | 67 | — | — | Available |
| KB4SGC | 11 | 69 | — | — | Available |
| KB4SGD | 11 | 65 | — | — | Available |
| KB4SGE | 11 | 59 | 2036-02-05 | — | Active |
| KB4SGF | 11 | 67 | 2026-02-28 | — | Active |
| KB4SGG | 10 | 67 | — | — | Available |
| KB4SGH | 11 | 65 | 2030-09-04 | — | Active |
| KB4SGI | 12 | 61 | — | — | Available |
| KB4SGJ | 12 | 71 | — | — | Available |
| KB4SGK | 11 | 67 | — | — | Available |
| KB4SGL | 11 | 67 | — | — | Available |
| KB4SGM | 10 | 65 | 2016-03-05 | 2018-03-06 | Available |
| KB4SGN | 12 | 63 | — | — | Available |
| KB4SGO | 11 | 69 | 2027-09-01 | — | Active |
| KB4SGP | 11 | 69 | — | — | Available |
| KB4SGQ | 11 | 71 | — | — | Available |
| KB4SGR | 12 | 65 | — | — | Available |
| KB4SGS | 12 | 63 | — | — | Available |
| KB4SGT | 11 | 61 | 2006-01-30 | 2008-01-31 | Available |
| KB4SGU | 12 | 65 | — | — | Available |
| KB4SGV | 11 | 67 | 2027-06-04 | — | Active |
| KB4SGW | 11 | 67 | — | — | Available |
| KB4SGX | 11 | 69 | — | — | Available |
| KB4SGY | 11 | 71 | — | — | Available |
| KB4SGZ | 11 | 69 | — | — | Available |
| KB4SHA | 12 | 61 | — | — | Available |
| KB4SHB | 12 | 65 | — | — | Available |
| KB4SHC | 12 | 67 | 2029-10-19 | — | Active (Vanity) |
| KB4SHD | 12 | 63 | — | — | Available |
| KB4SHE | 12 | 57 | 2032-05-05 | — | Active |
| KB4SHF | 12 | 65 | 2009-08-06 | 2011-08-07 | Available |
| KB4SHG | 11 | 65 | 2006-01-26 | 2008-01-27 | Available |
| KB4SHH | 12 | 63 | — | — | Available |
| KB4SHI | 13 | 59 | — | — | Available |
| KB4SHJ | 13 | 69 | — | — | Available |
| KB4SHK | 12 | 65 | 2036-01-17 | — | Active |
| KB4SHL | 12 | 65 | 2007-05-16 | 2009-05-17 | Available |
| KB4SHM | 11 | 63 | — | — | Available |
| KB4SHN | 13 | 61 | — | — | Available |
| KB4SHO | 12 | 67 | — | — | Available |
| KB4SHP | 12 | 67 | 2030-02-28 | — | Active (Vanity) |
| KB4SHQ | 12 | 69 | 2018-08-29 | 2020-08-30 | Available |
| KB4SHR | 13 | 63 | 2006-07-30 | 2008-07-31 | Available |
| KB4SHS | 13 | 61 | — | — | Available |
| KB4SHT | 12 | 59 | 2006-06-04 | 2008-06-05 | Available |
| KB4SHU | 13 | 63 | 2005-12-11 | 2007-12-12 | Available |
| KB4SHV | 12 | 65 | 2036-06-14 | — | Active |
| KB4SHW | 12 | 65 | 2007-03-03 | 2009-03-04 | Available |
| KB4SHX | 12 | 67 | — | — | Available |
| KB4SHY | 12 | 69 | 2024-03-22 | 2026-03-23 | Available |
| KB4SHZ | 12 | 67 | 2000-04-04 | 2002-04-05 | Available |
| KB4SIA | 13 | 57 | 1998-05-03 | 2000-05-04 | Available |
| KB4SIB | 13 | 61 | 2000-04-10 | 2002-04-11 | Available |
| KB4SIC | 13 | 63 | 2005-10-10 | 2007-10-11 | Available |
| KB4SID | 13 | 59 | — | — | Available |
| KB4SIE | 13 | 53 | — | — | Available |
| KB4SIF | 13 | 61 | — | — | Available |
| KB4SIG | 12 | 61 | 2006-12-11 | 2008-12-12 | Available |
| KB4SIH | 13 | 59 | — | — | Available |
| KB4SII | 14 | 55 | 2005-12-15 | 2007-12-16 | Available |
| KB4SIJ | 14 | 65 | — | — | Available |
| KB4SIK | 13 | 61 | — | — | Available |
| KB4SIL | 13 | 61 | 2026-12-23 | — | Active |
| KB4SIM | 12 | 59 | 2028-12-22 | — | Active |
| KB4SIN | 14 | 57 | — | — | Available |
| KB4SIO | 13 | 63 | — | — | Available |
| KB4SIP | 13 | 63 | 2006-04-12 | 2008-04-13 | Available |
| KB4SIQ | 13 | 65 | 2016-01-19 | 2018-01-20 | Available |
| KB4SIR | 14 | 59 | — | — | Available |
| KB4SIS | 14 | 57 | — | — | Available |
| KB4SIT | 13 | 55 | 2027-03-16 | — | Active |
| KB4SIU | 14 | 59 | 2024-05-31 | 2026-06-01 | Available |
| KB4SIV | 13 | 61 | — | — | Available |
| KB4SIW | 13 | 61 | 2011-01-21 | 2013-01-22 | Available |
| KB4SIX | 13 | 63 | 2030-11-06 | — | Active (Vanity) |
| KB4SIY | 13 | 65 | — | — | Available |
| KB4SIZ | 13 | 63 | 2017-08-01 | 2019-08-02 | Available |
| KB4SJA | 13 | 67 | 2017-08-01 | 2019-08-02 | Available |
| KB4SJB | 13 | 71 | 2006-04-11 | 2008-04-12 | Available |
| KB4SJC | 13 | 73 | — | — | Available |
| KB4SJD | 13 | 69 | 2029-01-25 | — | Active |
| KB4SJE | 13 | 63 | 2029-07-13 | — | Active |
| KB4SJF | 13 | 71 | — | — | Available |
| KB4SJG | 12 | 71 | — | — | Available |