District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4KSB | 11 | 51 | 2028-04-12 | — | Active (Vanity) |
| N4KSC | 11 | 53 | 2034-05-07 | — | Active |
| N4KSD | 11 | 49 | 2031-02-06 | — | Active (Vanity) |
| N4KSE | 11 | 43 | 2032-11-03 | — | Active |
| N4KSF | 11 | 51 | 2034-01-18 | — | Active |
| N4KSG | 10 | 51 | 2025-12-03 | — | Active |
| N4KSH | 11 | 49 | 2025-07-14 | — | Active |
| N4KSI | 12 | 45 | 2014-08-12 | 2016-08-13 | Available |
| N4KSJ | 12 | 55 | 2014-07-14 | 2016-07-15 | Available |
| N4KSK | 11 | 51 | 2005-09-01 | 2007-09-02 | Available |
| N4KSL | 11 | 51 | — | — | Available |
| N4KSM | 10 | 49 | 2029-04-13 | — | Active (Vanity) |
| N4KSN | 12 | 47 | 1998-10-04 | 2000-10-05 | Available |
| N4KSO | 11 | 53 | 2033-07-06 | — | Active |
| N4KSP | 11 | 53 | 2034-09-14 | — | Active |
| N4KSQ | 11 | 55 | 2032-04-24 | — | Active (Vanity) |
| N4KSR | 12 | 49 | 2010-08-07 | 2012-08-08 | Available |
| N4KSS | 12 | 47 | 2028-04-20 | — | Active |
| N4KST | 11 | 45 | — | — | Available |
| N4KSU | 12 | 49 | 2033-09-21 | — | Active |
| N4KSV | 11 | 51 | 2024-08-18 | 2026-08-19 | Available |
| N4KSW | 11 | 51 | — | — | Available |
| N4KSX | 11 | 53 | — | — | Available |
| N4KSY | 11 | 55 | — | — | Available |
| N4KSZ | 11 | 53 | — | — | Available |
| N4KTA | 10 | 45 | 2034-10-28 | — | Active (Vanity) |
| N4KTB | 10 | 49 | 2032-04-14 | — | Active |
| N4KTC | 10 | 51 | 1999-12-19 | 2001-12-20 | Available |
| N4KTD | 10 | 47 | 2029-07-09 | — | Active (Vanity) |
| N4KTE | 10 | 41 | — | — | Available |
| N4KTF | 10 | 49 | 2035-08-30 | — | Active |
| N4KTG | 9 | 49 | 2023-02-23 | 2025-02-24 | Available |
| N4KTH | 10 | 47 | — | — | Available |
| N4KTI | 11 | 43 | 2014-11-04 | 2016-11-05 | Available |
| N4KTJ | 11 | 53 | — | — | Available |
| N4KTK | 10 | 49 | 2033-12-27 | — | Active (Vanity) |
| N4KTL | 10 | 49 | 2015-09-14 | 2017-09-15 | Available |
| N4KTM | 9 | 47 | 2023-03-12 | 2025-03-13 | Available |
| N4KTN | 11 | 45 | 2035-08-19 | — | Active (Vanity) |
| N4KTO | 10 | 51 | 2015-03-07 | 2017-03-08 | Available |
| N4KTP | 10 | 51 | 2005-05-31 | 2007-06-01 | Available |
| N4KTQ | 10 | 53 | 2025-04-27 | — | Active |
| N4KTR | 11 | 47 | 2032-11-14 | — | Active (Vanity) |
| N4KTS | 11 | 45 | 2026-10-08 | — | Active |
| N4KTT | 10 | 43 | 2033-10-11 | — | Active |
| N4KTU | 11 | 47 | 1998-08-13 | 2000-08-14 | Available |
| N4KTV | 10 | 49 | — | — | Available |
| N4KTW | 10 | 49 | 2010-02-20 | 2012-02-21 | Available |
| N4KTX | 10 | 51 | 2036-11-04 | — | Active |
| N4KTY | 10 | 53 | 2029-05-23 | — | Active (Vanity) |
| N4KTZ | 10 | 51 | 2012-03-23 | 2014-03-24 | Available |
| N4KUA | 11 | 49 | 2021-12-24 | 2023-12-25 | Available |
| N4KUB | 11 | 53 | — | — | Available |
| N4KUC | 11 | 55 | — | — | Available |
| N4KUD | 11 | 51 | — | — | Available |
| N4KUE | 11 | 45 | — | — | Available |
| N4KUF | 11 | 53 | 2024-10-11 | 2026-10-12 | Available |
| N4KUG | 10 | 53 | 1999-02-03 | 2001-02-04 | Available |
| N4KUH | 11 | 51 | — | — | Available |
| N4KUI | 12 | 47 | — | — | Available |
| N4KUJ | 12 | 57 | — | — | Available |
| N4KUK | 11 | 53 | 2015-06-06 | 2017-06-07 | Available |
| N4KUL | 11 | 53 | 2006-01-24 | 2008-01-25 | Available |
| N4KUM | 10 | 51 | 2029-02-03 | — | Active |
| N4KUN | 12 | 49 | 2035-04-25 | — | Active |
| N4KUO | 11 | 55 | — | — | Available |
| N4KUP | 11 | 55 | 2028-01-07 | — | Active (Vanity) |
| N4KUQ | 11 | 57 | 1999-03-28 | 2001-03-29 | Available |
| N4KUR | 12 | 51 | — | — | Available |
| N4KUS | 12 | 49 | 2034-03-16 | — | Active (Vanity) |
| N4KUT | 11 | 47 | 2015-02-17 | 2017-02-18 | Available |
| N4KUU | 12 | 51 | 2005-02-17 | 2007-02-18 | Available |
| N4KUV | 11 | 53 | 2021-04-30 | 2023-05-01 | Available |
| N4KUW | 11 | 53 | 2004-10-18 | 2006-10-19 | Available |
| N4KUX | 11 | 55 | — | — | Available |
| N4KUY | 11 | 57 | 2024-10-19 | 2026-10-20 | Available |
| N4KUZ | 11 | 55 | 2034-09-30 | — | Active |
| N4KVA | 10 | 51 | 2027-06-25 | — | Active |
| N4KVB | 10 | 55 | — | — | Available |
| N4KVC | 10 | 57 | 2033-08-03 | — | Active |
| N4KVD | 10 | 53 | 2031-04-10 | — | Active (Vanity) |
| N4KVE | 10 | 47 | 2033-10-26 | — | Active |
| N4KVF | 10 | 55 | 2010-10-23 | 2012-10-24 | Available |
| N4KVG | 9 | 55 | 2027-03-13 | — | Active |
| N4KVH | 10 | 53 | — | — | Available |
| N4KVI | 11 | 49 | 2026-11-15 | — | Active (Vanity) |
| N4KVJ | 11 | 59 | — | — | Available |
| N4KVK | 10 | 55 | — | — | Available |
| N4KVL | 10 | 55 | 2029-11-30 | — | Active (Vanity) |
| N4KVM | 9 | 53 | — | — | Available |
| N4KVN | 11 | 51 | 2014-05-31 | 2016-06-01 | Available |
| N4KVO | 10 | 57 | — | — | Available |
| N4KVP | 10 | 57 | 2033-03-16 | — | Active |
| N4KVQ | 10 | 59 | 2035-01-22 | — | Active |
| N4KVR | 11 | 53 | 2000-05-16 | 2002-05-17 | Available |
| N4KVS | 11 | 51 | 2004-09-09 | 2006-09-10 | Available |
| N4KVT | 10 | 49 | 2001-07-23 | 2003-07-24 | Available |
| N4KVU | 11 | 53 | — | — | Available |
| N4KVV | 10 | 55 | 2034-03-26 | — | Active (Vanity) |
| N4KVW | 10 | 55 | 2014-05-31 | 2016-06-01 | Available |