District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4NXT | 12 | 63 | 2006-05-16 | 2008-05-17 | Available |
| KB4NXU | 13 | 67 | 1997-10-27 | 1999-10-28 | Available |
| KB4NXV | 12 | 69 | — | — | Available |
| KB4NXW | 12 | 69 | — | — | Available |
| KB4NXX | 12 | 71 | 2016-02-05 | 2018-02-06 | Available |
| KB4NXY | 12 | 73 | — | — | Available |
| KB4NXZ | 12 | 71 | — | — | Available |
| KB4NYA | 12 | 67 | — | — | Available |
| KB4NYB | 12 | 71 | — | — | Available |
| KB4NYC | 12 | 73 | — | — | Available |
| KB4NYD | 12 | 69 | 2005-07-17 | 2007-07-18 | Available |
| KB4NYE | 12 | 63 | — | — | Available |
| KB4NYF | 12 | 71 | — | — | Available |
| KB4NYG | 11 | 71 | — | — | Available |
| KB4NYH | 12 | 69 | — | — | Available |
| KB4NYI | 13 | 65 | 2027-06-20 | — | Active |
| KB4NYJ | 13 | 75 | 2036-04-16 | — | Active |
| KB4NYK | 12 | 71 | — | — | Available |
| KB4NYL | 12 | 71 | — | — | Available |
| KB4NYM | 11 | 69 | — | — | Available |
| KB4NYN | 13 | 67 | 2028-10-23 | — | Active |
| KB4NYO | 12 | 73 | — | — | Available |
| KB4NYP | 12 | 73 | — | — | Available |
| KB4NYQ | 12 | 75 | — | — | Available |
| KB4NYR | 13 | 69 | — | — | Available |
| KB4NYS | 13 | 67 | — | — | Available |
| KB4NYT | 12 | 65 | — | — | Available |
| KB4NYU | 13 | 69 | 2001-01-08 | 2003-01-09 | Available |
| KB4NYV | 12 | 71 | — | — | Available |
| KB4NYW | 12 | 71 | — | — | Available |
| KB4NYX | 12 | 73 | — | — | Available |
| KB4NYY | 12 | 75 | — | — | Available |
| KB4NYZ | 12 | 73 | — | — | Available |
| KB4NZA | 12 | 65 | — | — | Available |
| KB4NZB | 12 | 69 | — | — | Available |
| KB4NZC | 12 | 71 | — | — | Available |
| KB4NZD | 12 | 67 | 2015-07-21 | 2017-07-22 | Available |
| KB4NZE | 12 | 61 | — | — | Available |
| KB4NZF | 12 | 69 | — | — | Available |
| KB4NZG | 11 | 69 | — | — | Available |
| KB4NZH | 12 | 67 | — | — | Available |
| KB4NZI | 13 | 63 | — | — | Available |
| KB4NZJ | 13 | 73 | 2026-03-18 | — | Active |
| KB4NZK | 12 | 69 | — | — | Available |
| KB4NZL | 12 | 69 | — | — | Available |
| KB4NZM | 11 | 67 | — | — | Available |
| KB4NZN | 13 | 65 | — | — | Available |
| KB4NZO | 12 | 71 | — | — | Available |
| KB4NZP | 12 | 71 | — | — | Available |
| KB4NZQ | 12 | 73 | — | — | Available |
| KB4NZR | 13 | 67 | — | — | Available |
| KB4NZS | 13 | 65 | — | — | Available |
| KB4NZT | 12 | 63 | — | — | Available |
| KB4NZU | 13 | 67 | 2031-09-17 | — | Active |
| KB4NZV | 12 | 69 | 2023-09-23 | 2025-09-24 | Available |
| KB4NZW | 12 | 69 | — | — | Available |
| KB4NZX | 12 | 71 | — | — | Available |
| KB4NZY | 12 | 73 | 2028-03-07 | — | Active |
| KB4NZZ | 12 | 71 | 2015-02-02 | 2017-02-03 | Available |
| KB4OAA | 11 | 65 | — | — | Available |
| KB4OAB | 11 | 69 | 2015-02-02 | 2017-02-03 | Available |
| KB4OAC | 11 | 71 | — | — | Available |
| KB4OAD | 11 | 67 | — | — | Available |
| KB4OAE | 11 | 61 | — | — | Available |
| KB4OAF | 11 | 69 | — | — | Available |
| KB4OAG | 10 | 69 | — | — | Available |
| KB4OAH | 11 | 67 | — | — | Available |
| KB4OAI | 12 | 63 | — | — | Available |
| KB4OAJ | 12 | 73 | 2022-01-11 | 2024-01-12 | Available |
| KB4OAK | 11 | 69 | 2005-03-16 | 2007-03-17 | Available |
| KB4OAL | 11 | 69 | — | — | Available |
| KB4OAM | 10 | 67 | 2017-09-23 | 2019-09-24 | Available |
| KB4OAN | 12 | 65 | 2027-10-08 | — | Active |
| KB4OAO | 11 | 71 | — | — | Available |
| KB4OAP | 11 | 71 | — | — | Available |
| KB4OAQ | 11 | 73 | — | — | Available |
| KB4OAR | 12 | 67 | — | — | Available |
| KB4OAS | 12 | 65 | — | — | Available |
| KB4OAT | 11 | 63 | 2001-06-11 | 2003-06-12 | Available |
| KB4OAU | 12 | 67 | 2010-02-06 | 2012-02-07 | Available |
| KB4OAV | 11 | 69 | — | — | Available |
| KB4OAW | 11 | 69 | — | — | Available |
| KB4OAX | 11 | 71 | 2002-04-14 | 2004-04-15 | Available |
| KB4OAY | 11 | 73 | — | — | Available |
| KB4OAZ | 11 | 71 | — | — | Available |
| KB4OBA | 11 | 69 | — | — | Available |
| KB4OBB | 11 | 73 | 2007-05-20 | 2009-05-21 | Available |
| KB4OBC | 11 | 75 | 2020-11-06 | 2022-11-07 | Available |
| KB4OBD | 11 | 71 | — | — | Available |
| KB4OBE | 11 | 65 | — | — | Available |
| KB4OBF | 11 | 73 | 2026-09-05 | — | Active |
| KB4OBG | 10 | 73 | 2008-01-09 | 2010-01-10 | Available |
| KB4OBH | 11 | 71 | — | — | Available |
| KB4OBI | 12 | 67 | 2005-05-25 | 2007-05-26 | Available |
| KB4OBJ | 12 | 77 | 1998-05-03 | 2000-05-04 | Available |
| KB4OBK | 11 | 73 | — | — | Available |
| KB4OBL | 11 | 73 | 2014-12-22 | 2016-12-23 | Available |
| KB4OBM | 10 | 71 | — | — | Available |
| KB4OBN | 12 | 69 | 2006-03-20 | 2008-03-21 | Available |
| KB4OBO | 11 | 75 | — | — | Available |