District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KC4YZR | 12 | 77 | 2001-04-16 | 2003-04-17 | Available |
| KC4YZS | 12 | 75 | 2011-04-16 | 2013-04-17 | Available |
| KC4YZT | 11 | 73 | 2022-08-04 | 2024-08-05 | Available |
| KC4YZU | 12 | 77 | 2001-04-16 | 2003-04-17 | Available |
| KC4YZV | 11 | 79 | 2001-04-16 | 2003-04-17 | Available |
| KC4YZW | 11 | 79 | — | — | Available |
| KC4YZX | 11 | 81 | — | — | Available |
| KC4YZY | 11 | 83 | 2001-04-16 | 2003-04-17 | Available |
| KC4YZZ | 11 | 81 | 2022-04-21 | 2024-04-22 | Available |
| KC4ZAA | 11 | 67 | 2021-05-28 | 2023-05-29 | Available |
| KC4ZAB | 11 | 71 | 2034-12-18 | — | Active |
| KC4ZAC | 11 | 73 | 2001-07-02 | 2003-07-03 | Available |
| KC4ZAD | 11 | 69 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZAE | 11 | 63 | — | — | Available |
| KC4ZAF | 11 | 71 | 2011-04-16 | 2013-04-17 | Available |
| KC4ZAG | 10 | 71 | 2033-04-20 | — | Active |
| KC4ZAH | 11 | 69 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZAI | 12 | 65 | 2011-12-17 | 2013-12-18 | Available |
| KC4ZAJ | 12 | 75 | 2001-08-13 | 2003-08-14 | Available |
| KC4ZAK | 11 | 71 | 2001-06-18 | 2003-06-19 | Available |
| KC4ZAL | 11 | 71 | — | — | Available |
| KC4ZAM | 10 | 69 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZAN | 12 | 67 | 2001-06-18 | 2003-06-19 | Available |
| KC4ZAO | 11 | 73 | 2031-08-06 | — | Active |
| KC4ZAP | 11 | 73 | 2001-06-25 | 2003-06-26 | Available |
| KC4ZAQ | 11 | 75 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZAR | 12 | 69 | 2021-06-18 | 2023-06-19 | Available |
| KC4ZAS | 12 | 67 | 2021-08-06 | 2023-08-07 | Available |
| KC4ZAT | 11 | 65 | 2021-04-16 | 2023-04-17 | Available |
| KC4ZAU | 12 | 69 | 2021-04-16 | 2023-04-17 | Available |
| KC4ZAV | 11 | 71 | — | — | Available |
| KC4ZAW | 11 | 71 | 2023-02-28 | 2025-03-01 | Available |
| KC4ZAX | 11 | 73 | 2031-09-21 | — | Active |
| KC4ZAY | 11 | 75 | — | — | Available |
| KC4ZAZ | 11 | 73 | 2001-06-18 | 2003-06-19 | Available |
| KC4ZBA | 11 | 71 | 2031-10-28 | — | Active |
| KC4ZBB | 11 | 75 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBC | 11 | 77 | 2005-04-19 | 2007-04-20 | Available |
| KC4ZBD | 11 | 73 | 2034-03-29 | — | Active |
| KC4ZBE | 11 | 67 | 2035-10-02 | — | Active |
| KC4ZBF | 11 | 75 | 2004-03-29 | 2006-03-30 | Available |
| KC4ZBG | 10 | 75 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBH | 11 | 73 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBI | 12 | 69 | — | — | Available |
| KC4ZBJ | 12 | 79 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBK | 11 | 75 | 2031-08-06 | — | Active |
| KC4ZBL | 11 | 75 | 2031-08-06 | — | Active |
| KC4ZBM | 10 | 73 | 2021-05-22 | 2023-05-23 | Available |
| KC4ZBN | 12 | 71 | 2011-05-22 | 2013-05-23 | Available |
| KC4ZBO | 11 | 77 | — | — | Available |
| KC4ZBP | 11 | 77 | 2002-09-01 | 2004-09-02 | Available |
| KC4ZBQ | 11 | 79 | 2032-09-07 | — | Active |
| KC4ZBR | 12 | 73 | 2032-09-01 | — | Active |
| KC4ZBS | 12 | 71 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBT | 11 | 69 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBU | 12 | 73 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBV | 11 | 75 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZBW | 11 | 75 | — | — | Available |
| KC4ZBX | 11 | 77 | 1997-08-22 | 1999-08-23 | Available |
| KC4ZBY | 11 | 79 | 2003-08-03 | 2005-08-04 | Available |
| KC4ZBZ | 11 | 77 | — | — | Available |
| KC4ZCA | 11 | 73 | 2011-04-16 | 2013-04-17 | Available |
| KC4ZCB | 11 | 77 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCC | 11 | 79 | 2002-11-03 | 2004-11-04 | Available |
| KC4ZCD | 11 | 75 | 2011-04-16 | 2013-04-17 | Available |
| KC4ZCE | 11 | 69 | — | — | Available |
| KC4ZCF | 11 | 77 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCG | 10 | 77 | 2001-04-03 | 2003-04-04 | Available |
| KC4ZCH | 11 | 75 | 2011-08-06 | 2013-08-07 | Available |
| KC4ZCI | 12 | 71 | 2012-01-07 | 2014-01-08 | Available |
| KC4ZCJ | 12 | 81 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCK | 11 | 77 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCL | 11 | 77 | 2021-04-16 | 2023-04-17 | Available |
| KC4ZCM | 10 | 75 | 2021-05-14 | 2023-05-15 | Available |
| KC4ZCN | 12 | 73 | 2011-04-16 | 2013-04-17 | Available |
| KC4ZCO | 11 | 79 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCP | 11 | 79 | 2014-07-08 | 2016-07-09 | Available |
| KC4ZCQ | 11 | 81 | 2021-12-10 | 2023-12-11 | Available |
| KC4ZCR | 12 | 75 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCS | 12 | 73 | 2001-09-08 | 2003-09-09 | Available |
| KC4ZCT | 11 | 71 | 2001-12-10 | 2003-12-11 | Available |
| KC4ZCU | 12 | 75 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCV | 11 | 77 | 2011-05-14 | 2013-05-15 | Available |
| KC4ZCW | 11 | 77 | — | — | Available |
| KC4ZCX | 11 | 79 | 2032-05-07 | — | Active |
| KC4ZCY | 11 | 81 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZCZ | 11 | 79 | 2001-04-16 | 2003-04-17 | Available |
| KC4ZDA | 11 | 69 | — | — | Available |
| KC4ZDB | 11 | 73 | — | — | Available |
| KC4ZDC | 11 | 75 | 2013-03-09 | 2015-03-10 | Available |
| KC4ZDD | 11 | 71 | 2022-02-20 | 2024-02-21 | Available |
| KC4ZDE | 11 | 65 | 2028-11-24 | — | Active (Vanity) |
| KC4ZDF | 11 | 73 | 2001-08-06 | 2003-08-07 | Available |
| KC4ZDG | 10 | 73 | 2032-04-07 | — | Active |
| KC4ZDH | 11 | 71 | 2002-09-22 | 2004-09-23 | Available |
| KC4ZDI | 12 | 67 | 2013-01-05 | 2015-01-06 | Available |
| KC4ZDJ | 12 | 77 | 2014-04-05 | 2016-04-06 | Available |
| KC4ZDK | 11 | 73 | 2032-03-09 | — | Active |
| KC4ZDL | 11 | 73 | 2011-04-16 | 2013-04-17 | Available |
| KC4ZDM | 10 | 71 | 2031-12-24 | — | Active |