District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4ALT | 11 | 61 | — | — | Available |
| KB4ALU | 12 | 65 | 2007-03-04 | 2009-03-05 | Available |
| KB4ALV | 11 | 67 | 2004-05-24 | 2006-05-25 | Available |
| KB4ALW | 11 | 67 | 2028-05-18 | — | Active |
| KB4ALX | 11 | 69 | — | — | Available |
| KB4ALY | 11 | 71 | — | — | Available |
| KB4ALZ | 11 | 69 | 2015-08-02 | 2017-08-03 | Available |
| KB4AMA | 10 | 61 | 2008-08-01 | 2010-08-02 | Available |
| KB4AMB | 10 | 65 | — | — | Available |
| KB4AMC | 10 | 67 | — | — | Available |
| KB4AMD | 10 | 63 | — | — | Available |
| KB4AME | 10 | 57 | 2034-01-18 | — | Active |
| KB4AMF | 10 | 65 | — | — | Available |
| KB4AMG | 9 | 65 | — | — | Available |
| KB4AMH | 10 | 63 | 2033-09-12 | — | Active (Vanity) |
| KB4AMI | 11 | 59 | — | — | Available |
| KB4AMJ | 11 | 69 | 2007-08-18 | 2009-08-19 | Available |
| KB4AMK | 10 | 65 | — | — | Available |
| KB4AML | 10 | 65 | — | — | Available |
| KB4AMM | 9 | 63 | 2007-11-04 | 2009-11-05 | Available |
| KB4AMN | 11 | 61 | — | — | Available |
| KB4AMO | 10 | 67 | 2011-04-30 | 2013-05-01 | Available |
| KB4AMP | 10 | 67 | 2027-09-22 | — | Active |
| KB4AMQ | 10 | 69 | — | — | Available |
| KB4AMR | 11 | 63 | — | — | Available |
| KB4AMS | 11 | 61 | — | — | Available |
| KB4AMT | 10 | 59 | 2026-12-05 | — | Active |
| KB4AMU | 11 | 63 | 2014-07-16 | 2016-07-17 | Available |
| KB4AMV | 10 | 65 | — | — | Available |
| KB4AMW | 10 | 65 | 2034-05-10 | — | Active |
| KB4AMX | 10 | 67 | — | — | Available |
| KB4AMY | 10 | 69 | 2028-09-13 | — | Active |
| KB4AMZ | 10 | 67 | 2035-08-14 | — | Active (Vanity) |
| KB4ANA | 12 | 59 | 2014-05-31 | 2016-06-01 | Available |
| KB4ANB | 12 | 63 | — | — | Available |
| KB4ANC | 12 | 65 | — | — | Available |
| KB4AND | 12 | 61 | 2027-02-20 | — | Active |
| KB4ANE | 12 | 55 | — | — | Available |
| KB4ANF | 12 | 63 | — | — | Available |
| KB4ANG | 11 | 63 | — | — | Available |
| KB4ANH | 12 | 61 | 2017-10-20 | 2019-10-21 | Available |
| KB4ANI | 13 | 57 | 2030-09-15 | — | Active (Vanity) |
| KB4ANJ | 13 | 67 | — | — | Available |
| KB4ANK | 12 | 63 | — | — | Available |
| KB4ANL | 12 | 63 | — | — | Available |
| KB4ANM | 11 | 61 | — | — | Available |
| KB4ANN | 13 | 59 | — | — | Available |
| KB4ANO | 12 | 65 | — | — | Available |
| KB4ANP | 12 | 65 | — | — | Available |
| KB4ANQ | 12 | 67 | — | — | Available |
| KB4ANR | 13 | 61 | 2003-10-26 | 2005-10-27 | Available |
| KB4ANS | 13 | 59 | 1997-12-22 | 1999-12-23 | Available |
| KB4ANT | 12 | 57 | — | — | Available |
| KB4ANU | 13 | 61 | — | — | Available |
| KB4ANV | 12 | 63 | 2028-01-31 | — | Active |
| KB4ANW | 12 | 63 | — | — | Available |
| KB4ANX | 12 | 65 | — | — | Available |
| KB4ANY | 12 | 67 | — | — | Available |
| KB4ANZ | 12 | 65 | 2024-08-12 | 2026-08-13 | Available |
| KB4AOA | 11 | 65 | — | — | Available |
| KB4AOB | 11 | 69 | 1999-02-21 | 2001-02-22 | Available |
| KB4AOC | 11 | 71 | 2025-03-07 | — | Active |
| KB4AOD | 11 | 67 | — | — | Available |
| KB4AOE | 11 | 61 | — | — | Available |
| KB4AOF | 11 | 69 | — | — | Available |
| KB4AOG | 10 | 69 | 2007-01-09 | 2009-01-10 | Available |
| KB4AOH | 11 | 67 | — | — | Available |
| KB4AOI | 12 | 63 | — | — | Available |
| KB4AOJ | 12 | 73 | — | — | Available |
| KB4AOK | 11 | 69 | — | — | Available |
| KB4AOL | 11 | 69 | — | — | Available |
| KB4AOM | 10 | 67 | 2008-05-27 | 2010-05-28 | Available |
| KB4AON | 12 | 65 | — | — | Available |
| KB4AOO | 11 | 71 | — | — | Available |
| KB4AOP | 11 | 71 | 2006-06-20 | 2008-06-21 | Available |
| KB4AOQ | 11 | 73 | — | — | Available |
| KB4AOR | 12 | 67 | 2027-01-08 | — | Active |
| KB4AOS | 12 | 65 | — | — | Available |
| KB4AOT | 11 | 63 | 2000-10-09 | 2002-10-10 | Available |
| KB4AOU | 12 | 67 | — | — | Available |
| KB4AOV | 11 | 69 | — | — | Available |
| KB4AOW | 11 | 69 | — | — | Available |
| KB4AOX | 11 | 71 | — | — | Available |
| KB4AOY | 11 | 73 | 2008-04-01 | 2010-04-02 | Available |
| KB4AOZ | 11 | 71 | 2028-04-01 | — | Active |
| KB4APA | 11 | 65 | 2028-04-15 | — | Active |
| KB4APB | 11 | 69 | — | — | Available |
| KB4APC | 11 | 71 | — | — | Available |
| KB4APD | 11 | 67 | — | — | Available |
| KB4APE | 11 | 61 | — | — | Available |
| KB4APF | 11 | 69 | — | — | Available |
| KB4APG | 10 | 69 | — | — | Available |
| KB4APH | 11 | 67 | 2015-12-04 | 2017-12-05 | Available |
| KB4API | 12 | 63 | 2036-08-08 | — | Active |
| KB4APJ | 12 | 73 | — | — | Available |
| KB4APK | 11 | 69 | 2001-05-07 | 2003-05-08 | Available |
| KB4APL | 11 | 69 | — | — | Available |
| KB4APM | 10 | 67 | 2007-05-16 | 2009-05-17 | Available |
| KB4APN | 12 | 65 | — | — | Available |
| KB4APO | 11 | 71 | 2028-04-01 | — | Active |