District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4TZQ | 11 | 71 | 2007-11-02 | 2009-11-03 | Available |
| KB4TZR | 12 | 65 | 2019-12-18 | 2021-12-19 | Available |
| KB4TZS | 12 | 63 | 2027-02-06 | — | Active |
| KB4TZT | 11 | 61 | — | — | Available |
| KB4TZU | 12 | 65 | — | — | Available |
| KB4TZV | 11 | 67 | — | — | Available |
| KB4TZW | 11 | 67 | — | — | Available |
| KB4TZX | 11 | 69 | — | — | Available |
| KB4TZY | 11 | 71 | — | — | Available |
| KB4TZZ | 11 | 69 | — | — | Available |
| KB4UAA | 12 | 61 | 2006-04-03 | 2008-04-04 | Available |
| KB4UAB | 12 | 65 | — | — | Available |
| KB4UAC | 12 | 67 | — | — | Available |
| KB4UAD | 12 | 63 | — | — | Available |
| KB4UAE | 12 | 57 | — | — | Available |
| KB4UAF | 12 | 65 | — | — | Available |
| KB4UAG | 11 | 65 | 2028-02-20 | — | Active |
| KB4UAH | 12 | 63 | 2021-12-10 | 2023-12-11 | Available |
| KB4UAI | 13 | 59 | — | — | Available |
| KB4UAJ | 13 | 69 | — | — | Available |
| KB4UAK | 12 | 65 | — | — | Available |
| KB4UAL | 12 | 65 | 2029-09-01 | — | Active |
| KB4UAM | 11 | 63 | — | — | Available |
| KB4UAN | 13 | 61 | — | — | Available |
| KB4UAO | 12 | 67 | 2019-03-16 | 2021-03-17 | Available |
| KB4UAP | 12 | 67 | 2029-03-09 | — | Active |
| KB4UAQ | 12 | 69 | 2007-11-19 | 2009-11-20 | Available |
| KB4UAR | 13 | 63 | 2016-03-06 | 2018-03-07 | Available |
| KB4UAS | 13 | 61 | 2025-02-02 | — | Active |
| KB4UAT | 12 | 59 | — | — | Available |
| KB4UAU | 13 | 63 | — | — | Available |
| KB4UAV | 12 | 65 | — | — | Available |
| KB4UAW | 12 | 65 | — | — | Available |
| KB4UAX | 12 | 67 | — | — | Available |
| KB4UAY | 12 | 69 | — | — | Available |
| KB4UAZ | 12 | 67 | 2006-06-14 | 2008-06-15 | Available |
| KB4UBA | 12 | 65 | 2031-12-21 | — | Active |
| KB4UBB | 12 | 69 | — | — | Available |
| KB4UBC | 12 | 71 | 2022-10-27 | 2024-10-28 | Available |
| KB4UBD | 12 | 67 | — | — | Available |
| KB4UBE | 12 | 61 | 1999-10-23 | 2001-10-24 | Available |
| KB4UBF | 12 | 69 | 2024-03-05 | 2026-03-06 | Available |
| KB4UBG | 11 | 69 | — | — | Available |
| KB4UBH | 12 | 67 | — | — | Available |
| KB4UBI | 13 | 63 | 2002-08-18 | 2004-08-19 | Available |
| KB4UBJ | 13 | 73 | — | — | Available |
| KB4UBK | 12 | 69 | — | — | Available |
| KB4UBL | 12 | 69 | — | — | Available |
| KB4UBM | 11 | 67 | 2031-02-05 | — | Active |
| KB4UBN | 13 | 65 | — | — | Available |
| KB4UBO | 12 | 71 | — | — | Available |
| KB4UBP | 12 | 71 | — | — | Available |
| KB4UBQ | 12 | 73 | 1998-01-12 | 2000-01-13 | Available |
| KB4UBR | 13 | 67 | — | — | Available |
| KB4UBS | 13 | 65 | — | — | Available |
| KB4UBT | 12 | 63 | — | — | Available |
| KB4UBU | 13 | 67 | 2006-04-05 | 2008-04-06 | Available |
| KB4UBV | 12 | 69 | — | — | Available |
| KB4UBW | 12 | 69 | — | — | Available |
| KB4UBX | 12 | 71 | — | — | Available |
| KB4UBY | 12 | 73 | — | — | Available |
| KB4UBZ | 12 | 71 | — | — | Available |
| KB4UCA | 12 | 67 | 2017-04-01 | 2019-04-02 | Available |
| KB4UCB | 12 | 71 | 2026-07-30 | — | Active |
| KB4UCC | 12 | 73 | — | — | Available |
| KB4UCD | 12 | 69 | 2013-12-28 | 2015-12-29 | Available |
| KB4UCE | 12 | 63 | 2001-06-12 | 2003-06-13 | Available |
| KB4UCF | 12 | 71 | — | — | Available |
| KB4UCG | 11 | 71 | — | — | Available |
| KB4UCH | 12 | 69 | — | — | Available |
| KB4UCI | 13 | 65 | 2006-05-21 | 2008-05-22 | Available |
| KB4UCJ | 13 | 75 | — | — | Available |
| KB4UCK | 12 | 71 | — | — | Available |
| KB4UCL | 12 | 71 | — | — | Available |
| KB4UCM | 11 | 69 | — | — | Available |
| KB4UCN | 13 | 67 | — | — | Available |
| KB4UCO | 12 | 73 | 2010-05-08 | 2012-05-09 | Available |
| KB4UCP | 12 | 73 | — | — | Available |
| KB4UCQ | 12 | 75 | — | — | Available |
| KB4UCR | 13 | 69 | 2017-05-02 | 2019-05-03 | Available |
| KB4UCS | 13 | 67 | 2026-06-04 | — | Active |
| KB4UCT | 12 | 65 | 2036-09-05 | — | Active |
| KB4UCU | 13 | 69 | — | — | Available |
| KB4UCV | 12 | 71 | — | — | Available |
| KB4UCW | 12 | 71 | — | — | Available |
| KB4UCX | 12 | 73 | — | — | Available |
| KB4UCY | 12 | 75 | 2001-12-03 | 2003-12-04 | Available |
| KB4UCZ | 12 | 73 | — | — | Available |
| KB4UDA | 12 | 63 | — | — | Available |
| KB4UDB | 12 | 67 | — | — | Available |
| KB4UDC | 12 | 69 | — | — | Available |
| KB4UDD | 12 | 65 | — | — | Available |
| KB4UDE | 12 | 59 | — | — | Available |
| KB4UDF | 12 | 67 | 2002-12-22 | 2004-12-23 | Available |
| KB4UDG | 11 | 67 | — | — | Available |
| KB4UDH | 12 | 65 | 1997-08-04 | 1999-08-05 | Available |
| KB4UDI | 13 | 61 | — | — | Available |
| KB4UDJ | 13 | 71 | — | — | Available |
| KB4UDK | 12 | 67 | — | — | Available |
| KB4UDL | 12 | 67 | — | — | Available |