District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KA4TZL | 11 | 63 | 2007-02-20 | 2009-02-21 | Available |
| KA4TZM | 10 | 61 | — | — | Available |
| KA4TZN | 12 | 59 | — | — | Available |
| KA4TZO | 11 | 65 | — | — | Available |
| KA4TZP | 11 | 65 | — | — | Available |
| KA4TZQ | 11 | 67 | — | — | Available |
| KA4TZR | 12 | 61 | — | — | Available |
| KA4TZS | 12 | 59 | — | — | Available |
| KA4TZT | 11 | 57 | — | — | Available |
| KA4TZU | 12 | 61 | 2010-10-09 | 2012-10-10 | Available |
| KA4TZV | 11 | 63 | — | — | Available |
| KA4TZW | 11 | 63 | — | — | Available |
| KA4TZX | 11 | 65 | — | — | Available |
| KA4TZY | 11 | 67 | — | — | Available |
| KA4TZZ | 11 | 65 | 2005-11-28 | 2007-11-29 | Available |
| KA4UAA | 12 | 57 | 1998-06-14 | 2000-06-15 | Available |
| KA4UAB | 12 | 61 | — | — | Available |
| KA4UAC | 12 | 63 | — | — | Available |
| KA4UAD | 12 | 59 | — | — | Available |
| KA4UAE | 12 | 53 | — | — | Available |
| KA4UAF | 12 | 61 | — | — | Available |
| KA4UAG | 11 | 61 | 2036-01-29 | — | Active |
| KA4UAH | 12 | 59 | 2007-01-13 | 2009-01-14 | Available |
| KA4UAI | 13 | 55 | — | — | Available |
| KA4UAJ | 13 | 65 | 2021-10-15 | 2023-10-16 | Available |
| KA4UAK | 12 | 61 | — | — | Available |
| KA4UAL | 12 | 61 | 2025-12-12 | — | Active |
| KA4UAM | 11 | 59 | — | — | Available |
| KA4UAN | 13 | 57 | — | — | Available |
| KA4UAO | 12 | 63 | 2003-10-05 | 2005-10-06 | Available |
| KA4UAP | 12 | 63 | — | — | Available |
| KA4UAQ | 12 | 65 | — | — | Available |
| KA4UAR | 13 | 59 | — | — | Available |
| KA4UAS | 13 | 57 | — | — | Available |
| KA4UAT | 12 | 55 | — | — | Available |
| KA4UAU | 13 | 59 | 2007-04-21 | 2009-04-22 | Available |
| KA4UAV | 12 | 61 | — | — | Available |
| KA4UAW | 12 | 61 | 1998-03-29 | 2000-03-30 | Available |
| KA4UAX | 12 | 63 | — | — | Available |
| KA4UAY | 12 | 65 | — | — | Available |
| KA4UAZ | 12 | 63 | — | — | Available |
| KA4UBA | 12 | 61 | — | — | Available |
| KA4UBB | 12 | 65 | — | — | Available |
| KA4UBC | 12 | 67 | 2003-02-16 | 2005-02-17 | Available |
| KA4UBD | 12 | 63 | — | — | Available |
| KA4UBE | 12 | 57 | 2015-11-28 | 2017-11-29 | Available |
| KA4UBF | 12 | 65 | — | — | Available |
| KA4UBG | 11 | 65 | — | — | Available |
| KA4UBH | 12 | 63 | — | — | Available |
| KA4UBI | 13 | 59 | 2028-03-26 | — | Active |
| KA4UBJ | 13 | 69 | — | — | Available |
| KA4UBK | 12 | 65 | — | — | Available |
| KA4UBL | 12 | 65 | 1997-09-01 | 1999-09-02 | Available |
| KA4UBM | 11 | 63 | — | — | Available |
| KA4UBN | 13 | 61 | — | — | Available |
| KA4UBO | 12 | 67 | — | — | Available |
| KA4UBP | 12 | 67 | — | — | Available |
| KA4UBQ | 12 | 69 | — | — | Available |
| KA4UBR | 13 | 63 | 2027-07-31 | — | Active |
| KA4UBS | 13 | 61 | — | — | Available |
| KA4UBT | 12 | 59 | 2016-10-08 | 2018-10-09 | Available |
| KA4UBU | 13 | 63 | — | — | Available |
| KA4UBV | 12 | 65 | — | — | Available |
| KA4UBW | 12 | 65 | — | — | Available |
| KA4UBX | 12 | 67 | 2006-01-19 | 2008-01-20 | Available |
| KA4UBY | 12 | 69 | — | — | Available |
| KA4UBZ | 12 | 67 | 2016-03-21 | 2018-03-22 | Available |
| KA4UCA | 12 | 63 | — | — | Available |
| KA4UCB | 12 | 67 | 2011-09-03 | 2013-09-04 | Available |
| KA4UCC | 12 | 69 | — | — | Available |
| KA4UCD | 12 | 65 | — | — | Available |
| KA4UCE | 12 | 59 | — | — | Available |
| KA4UCF | 12 | 67 | — | — | Available |
| KA4UCG | 11 | 67 | — | — | Available |
| KA4UCH | 12 | 65 | 2007-01-23 | 2009-01-24 | Available |
| KA4UCI | 13 | 61 | — | — | Available |
| KA4UCJ | 13 | 71 | — | — | Available |
| KA4UCK | 12 | 67 | — | — | Available |
| KA4UCL | 12 | 67 | — | — | Available |
| KA4UCM | 11 | 65 | — | — | Available |
| KA4UCN | 13 | 63 | — | — | Available |
| KA4UCO | 12 | 69 | — | — | Available |
| KA4UCP | 12 | 69 | — | — | Available |
| KA4UCQ | 12 | 71 | — | — | Available |
| KA4UCR | 13 | 65 | 2025-03-06 | — | Active |
| KA4UCS | 13 | 63 | — | — | Available |
| KA4UCT | 12 | 61 | — | — | Available |
| KA4UCU | 13 | 65 | — | — | Available |
| KA4UCV | 12 | 67 | — | — | Available |
| KA4UCW | 12 | 67 | 1998-05-03 | 2000-05-04 | Available |
| KA4UCX | 12 | 69 | — | — | Available |
| KA4UCY | 12 | 71 | 2002-03-29 | 2004-03-30 | Available |
| KA4UCZ | 12 | 69 | — | — | Available |
| KA4UDA | 12 | 59 | — | — | Available |
| KA4UDB | 12 | 63 | — | — | Available |
| KA4UDC | 12 | 65 | — | — | Available |
| KA4UDD | 12 | 61 | — | — | Available |
| KA4UDE | 12 | 55 | — | — | Available |
| KA4UDF | 12 | 63 | — | — | Available |
| KA4UDG | 11 | 63 | — | — | Available |