District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4SRA | 13 | 61 | 2016-05-24 | 2018-05-25 | Available |
| KB4SRB | 13 | 65 | — | — | Available |
| KB4SRC | 13 | 67 | — | — | Available |
| KB4SRD | 13 | 63 | — | — | Available |
| KB4SRE | 13 | 57 | — | — | Available |
| KB4SRF | 13 | 65 | 2027-06-08 | — | Active |
| KB4SRG | 12 | 65 | 2006-01-30 | 2008-01-31 | Available |
| KB4SRH | 13 | 63 | — | — | Available |
| KB4SRI | 14 | 59 | — | — | Available |
| KB4SRJ | 14 | 69 | 2018-09-30 | 2020-10-01 | Available |
| KB4SRK | 13 | 65 | — | — | Available |
| KB4SRL | 13 | 65 | — | — | Available |
| KB4SRM | 12 | 63 | 2008-02-24 | 2010-02-25 | Available |
| KB4SRN | 14 | 61 | 2028-04-19 | — | Active |
| KB4SRO | 13 | 67 | 2031-02-04 | — | Active |
| KB4SRP | 13 | 67 | 2031-07-16 | — | Active |
| KB4SRQ | 13 | 69 | 2032-07-20 | — | Active |
| KB4SRR | 14 | 63 | — | — | Available |
| KB4SRS | 14 | 61 | 2016-08-13 | 2018-08-14 | Available |
| KB4SRT | 13 | 59 | 2034-06-22 | — | Active (Vanity) |
| KB4SRU | 14 | 63 | — | — | Available |
| KB4SRV | 13 | 65 | — | — | Available |
| KB4SRW | 13 | 65 | — | — | Available |
| KB4SRX | 13 | 67 | — | — | Available |
| KB4SRY | 13 | 69 | — | — | Available |
| KB4SRZ | 13 | 67 | 2006-02-08 | 2008-02-09 | Available |
| KB4SSA | 13 | 59 | 2002-06-30 | 2004-07-01 | Available |
| KB4SSB | 13 | 63 | 2027-02-03 | — | Active |
| KB4SSC | 13 | 65 | — | — | Available |
| KB4SSD | 13 | 61 | 2019-04-29 | 2021-04-30 | Available |
| KB4SSE | 13 | 55 | — | — | Available |
| KB4SSF | 13 | 63 | 2006-02-05 | 2008-02-06 | Available |
| KB4SSG | 12 | 63 | 2006-04-15 | 2008-04-16 | Available |
| KB4SSH | 13 | 61 | — | — | Available |
| KB4SSI | 14 | 57 | 2016-03-25 | 2018-03-26 | Available |
| KB4SSJ | 14 | 67 | 2006-02-05 | 2008-02-06 | Available |
| KB4SSK | 13 | 63 | — | — | Available |
| KB4SSL | 13 | 63 | 2026-03-01 | — | Active |
| KB4SSM | 12 | 61 | — | — | Available |
| KB4SSN | 14 | 59 | 2000-10-06 | 2002-10-07 | Available |
| KB4SSO | 13 | 65 | 2007-11-19 | 2009-11-20 | Available |
| KB4SSP | 13 | 65 | 2006-02-07 | 2008-02-08 | Available |
| KB4SSQ | 13 | 67 | — | — | Available |
| KB4SSR | 14 | 61 | 2006-03-28 | 2008-03-29 | Available |
| KB4SSS | 14 | 59 | 2020-08-28 | 2022-08-29 | Available |
| KB4SST | 13 | 57 | 2027-04-26 | — | Active |
| KB4SSU | 14 | 61 | — | — | Available |
| KB4SSV | 13 | 63 | — | — | Available |
| KB4SSW | 13 | 63 | 2027-02-03 | — | Active |
| KB4SSX | 13 | 65 | — | — | Available |
| KB4SSY | 13 | 67 | 1998-10-18 | 2000-10-19 | Available |
| KB4SSZ | 13 | 65 | 2006-09-23 | 2008-09-24 | Available |
| KB4STA | 12 | 57 | — | — | Available |
| KB4STB | 12 | 61 | 2003-10-05 | 2005-10-06 | Available |
| KB4STC | 12 | 63 | 2006-02-05 | 2008-02-06 | Available |
| KB4STD | 12 | 59 | 2016-03-21 | 2018-03-22 | Available |
| KB4STE | 12 | 53 | 2017-10-13 | 2019-10-14 | Available |
| KB4STF | 12 | 61 | — | — | Available |
| KB4STG | 11 | 61 | 2006-02-07 | 2008-02-08 | Available |
| KB4STH | 12 | 59 | 2026-07-17 | — | Active |
| KB4STI | 13 | 55 | — | — | Available |
| KB4STJ | 13 | 65 | — | — | Available |
| KB4STK | 12 | 61 | 2016-02-07 | 2018-02-08 | Available |
| KB4STL | 12 | 61 | 2014-12-21 | 2016-12-22 | Available |
| KB4STM | 11 | 59 | — | — | Available |
| KB4STN | 13 | 57 | — | — | Available |
| KB4STO | 12 | 63 | — | — | Available |
| KB4STP | 12 | 63 | — | — | Available |
| KB4STQ | 12 | 65 | — | — | Available |
| KB4STR | 13 | 59 | — | — | Available |
| KB4STS | 13 | 57 | — | — | Available |
| KB4STT | 12 | 55 | — | — | Available |
| KB4STU | 13 | 59 | 2032-04-28 | — | Active |
| KB4STV | 12 | 61 | 2036-06-19 | — | Active |
| KB4STW | 12 | 61 | 2035-12-11 | — | Active |
| KB4STX | 12 | 63 | — | — | Available |
| KB4STY | 12 | 65 | — | — | Available |
| KB4STZ | 12 | 63 | — | — | Available |
| KB4SUA | 13 | 61 | — | — | Available |
| KB4SUB | 13 | 65 | — | — | Available |
| KB4SUC | 13 | 67 | — | — | Available |
| KB4SUD | 13 | 63 | 2007-02-17 | 2009-02-18 | Available |
| KB4SUE | 13 | 57 | 2009-02-04 | 2011-02-05 | Available |
| KB4SUF | 13 | 65 | 2020-01-14 | 2022-01-15 | Available |
| KB4SUG | 12 | 65 | 2006-05-01 | 2008-05-02 | Available |
| KB4SUH | 13 | 63 | — | — | Available |
| KB4SUI | 14 | 59 | 2036-01-23 | — | Active |
| KB4SUJ | 14 | 69 | — | — | Available |
| KB4SUK | 13 | 65 | — | — | Available |
| KB4SUL | 13 | 65 | 2006-03-14 | 2008-03-15 | Available |
| KB4SUM | 12 | 63 | 2031-12-24 | — | Active |
| KB4SUN | 14 | 61 | 2017-02-04 | 2019-02-05 | Available |
| KB4SUO | 13 | 67 | — | — | Available |
| KB4SUP | 13 | 67 | 2034-05-17 | — | Active |
| KB4SUQ | 13 | 69 | — | — | Available |
| KB4SUR | 14 | 63 | 2006-04-03 | 2008-04-04 | Available |
| KB4SUS | 14 | 61 | — | — | Available |
| KB4SUT | 13 | 59 | — | — | Available |
| KB4SUU | 14 | 63 | 2027-05-05 | — | Active |
| KB4SUV | 13 | 65 | 2027-05-05 | — | Active |