District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4GI | 9 | 53 | 2008-04-24 | 2010-04-25 | Available |
| KB4GJ | 9 | 63 | 1998-03-15 | 2000-03-16 | Available |
| KB4GK | 8 | 59 | — | — | Available |
| KB4GL | 8 | 59 | 2019-01-18 | 2021-01-19 | Available |
| KB4GM | 7 | 57 | 2032-04-29 | — | Active (Vanity) |
| KB4GN | 9 | 55 | 2014-05-10 | 2016-05-11 | Available |
| KB4GO | 8 | 61 | 2028-12-21 | — | Active |
| KB4GP | 8 | 61 | 2017-01-21 | 2019-01-22 | Available |
| KB4GQ | 8 | 63 | 2018-04-01 | 2020-04-02 | Available |
| KB4GR | 9 | 57 | 2012-04-09 | 2014-04-10 | Available |
| KB4GS | 9 | 55 | 2012-06-08 | 2014-06-09 | Available |
| KB4GT | 8 | 53 | 2031-12-14 | — | Active (Vanity) |
| KB4GU | 9 | 57 | — | — | Available |
| KB4GV | 8 | 59 | 2008-02-06 | 2010-02-07 | Available |
| KB4GW | 8 | 59 | 2035-03-08 | — | Active |
| KB4GX | 8 | 61 | 2018-01-23 | 2020-01-24 | Available |
| KB4GY | 8 | 63 | — | — | Available |
| KB4GZ | 8 | 61 | 2029-02-27 | — | Active |
| KB4HA | 9 | 53 | 2003-10-24 | 2005-10-25 | Available |
| KB4HB | 9 | 57 | 2031-02-15 | — | Active |
| KB4HC | 9 | 59 | — | — | Available |
| KB4HD | 9 | 55 | 2015-09-27 | 2017-09-28 | Available |
| KB4HE | 9 | 49 | 2028-08-24 | — | Active |
| KB4HF | 9 | 57 | 2028-06-03 | — | Active |
| KB4HG | 8 | 57 | 2032-07-07 | — | Active |
| KB4HH | 9 | 55 | — | — | Available |
| KB4HI | 10 | 51 | — | — | Available |
| KB4HJ | 10 | 61 | 2032-02-11 | — | Active |
| KB4HK | 9 | 57 | 2006-11-05 | 2008-11-06 | Available |
| KB4HL | 9 | 57 | 2030-10-06 | — | Active (Vanity) |
| KB4HM | 8 | 55 | 2027-08-28 | — | Active |
| KB4HN | 10 | 53 | 2034-06-05 | — | Active |
| KB4HO | 9 | 59 | — | — | Available |
| KB4HP | 9 | 59 | — | — | Available |
| KB4HQ | 9 | 61 | 2007-03-11 | 2009-03-12 | Available |
| KB4HR | 10 | 55 | — | — | Available |
| KB4HS | 10 | 53 | — | — | Available |
| KB4HT | 9 | 51 | — | — | Available |
| KB4HU | 10 | 55 | — | — | Available |
| KB4HV | 9 | 57 | 2031-10-12 | — | Active |
| KB4HW | 9 | 57 | 2034-11-30 | — | Active (Vanity) |
| KB4HX | 9 | 59 | 2027-12-19 | — | Active |
| KB4HY | 9 | 61 | — | — | Available |
| KB4HZ | 9 | 59 | 2029-12-24 | — | Active |
| KB4IA | 10 | 49 | 2027-03-28 | — | Active |
| KB4IB | 10 | 53 | 2009-05-24 | 2011-05-25 | Available |
| KB4IC | 10 | 55 | — | — | Available |
| KB4ID | 10 | 51 | 2033-08-27 | — | Active |
| KB4IE | 10 | 45 | 2029-03-09 | — | Active |
| KB4IF | 10 | 53 | — | — | Available |
| KB4IG | 9 | 53 | — | — | Available |
| KB4IH | 10 | 51 | 2017-11-10 | 2019-11-11 | Available |
| KB4II | 11 | 47 | 2028-04-27 | — | Active |
| KB4IJ | 11 | 57 | 2022-02-18 | 2024-02-19 | Available |
| KB4IK | 10 | 53 | 2032-11-09 | — | Active |
| KB4IL | 10 | 53 | 2018-12-17 | 2020-12-18 | Available |
| KB4IM | 9 | 51 | 2028-10-22 | — | Active |
| KB4IN | 11 | 49 | 2018-04-27 | 2020-04-28 | Available |
| KB4IO | 10 | 55 | 2029-01-01 | — | Active |
| KB4IP | 10 | 55 | 2027-10-21 | — | Active |
| KB4IQ | 10 | 57 | — | — | Available |
| KB4IR | 11 | 51 | 2028-08-26 | — | Active |
| KB4IS | 11 | 49 | 2024-03-05 | 2026-03-06 | Available |
| KB4IT | 10 | 47 | 2034-07-22 | — | Active (Vanity) |
| KB4IU | 11 | 51 | 2002-10-13 | 2004-10-14 | Available |
| KB4IV | 10 | 53 | 2008-07-21 | 2010-07-22 | Available |
| KB4IW | 10 | 53 | — | — | Available |
| KB4IX | 10 | 55 | — | — | Available |
| KB4IY | 10 | 57 | 2034-11-18 | — | Active |
| KB4IZ | 10 | 55 | 1997-08-21 | 1999-08-22 | Available |
| KB4JA | 10 | 59 | 2028-06-23 | — | Active (Vanity) |
| KB4JB | 10 | 63 | 2025-10-16 | — | Active |
| KB4JC | 10 | 65 | 2026-07-19 | — | Active (Vanity) |
| KB4JD | 10 | 61 | 2024-05-24 | 2026-05-25 | Available |
| KB4JE | 10 | 55 | 2017-10-27 | 2019-10-28 | Available |
| KB4JF | 10 | 63 | 2014-07-14 | 2016-07-15 | Available |
| KB4JG | 9 | 63 | 2036-05-02 | — | Active |
| KB4JH | 10 | 61 | 2027-08-29 | — | Active |
| KB4JI | 11 | 57 | — | — | Available |
| KB4JJ | 11 | 67 | 2034-09-28 | — | Active (Vanity) |
| KB4JK | 10 | 63 | 2024-03-29 | 2026-03-30 | Available |
| KB4JL | 10 | 63 | — | — | Available |
| KB4JM | 9 | 61 | 2035-11-28 | — | Active |
| KB4JN | 11 | 59 | 2029-12-10 | — | Active (Vanity) |
| KB4JO | 10 | 65 | 2018-01-23 | 2020-01-24 | Available |
| KB4JP | 10 | 65 | 2029-12-24 | — | Active (Vanity) |
| KB4JQ | 10 | 67 | 2018-01-23 | 2020-01-24 | Available |
| KB4JR | 11 | 61 | 2026-08-05 | — | Active |
| KB4JS | 11 | 59 | 2026-06-03 | — | Active (Vanity) |
| KB4JT | 10 | 57 | 2018-03-13 | 2020-03-14 | Available |
| KB4JU | 11 | 61 | 2018-01-20 | 2020-01-21 | Available |
| KB4JV | 10 | 63 | — | — | Available |
| KB4JW | 10 | 63 | 2031-10-18 | — | Active (Vanity) |
| KB4JX | 10 | 65 | — | — | Available |
| KB4JY | 10 | 67 | 2013-02-01 | 2015-02-02 | Available |
| KB4JZ | 10 | 65 | 2024-05-31 | 2026-06-01 | Available |
| KB4KA | 9 | 55 | 2029-04-09 | — | Active |
| KB4KB | 9 | 59 | 2030-04-27 | — | Active (Vanity) |
| KB4KC | 9 | 61 | 2036-07-23 | — | Active (Vanity) |
| KB4KD | 9 | 57 | 2009-02-26 | 2011-02-27 | Available |