District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4UXQ | 11 | 59 | 2002-04-04 | 2004-04-05 | Available |
| N4UXR | 12 | 53 | 2009-03-02 | 2011-03-03 | Available |
| N4UXS | 12 | 51 | 2020-04-17 | 2022-04-18 | Available |
| N4UXT | 11 | 49 | 2020-05-01 | 2022-05-02 | Available |
| N4UXU | 12 | 53 | 2036-03-14 | — | Active |
| N4UXV | 11 | 55 | 2028-12-11 | — | Active |
| N4UXW | 11 | 55 | 2011-08-27 | 2013-08-28 | Available |
| N4UXX | 11 | 57 | 2028-12-03 | — | Active |
| N4UXY | 11 | 59 | 2028-12-01 | — | Active |
| N4UXZ | 11 | 57 | — | — | Available |
| N4UYA | 11 | 53 | 2032-03-10 | — | Active |
| N4UYB | 11 | 57 | 2031-03-12 | — | Active |
| N4UYC | 11 | 59 | 1999-02-07 | 2001-02-08 | Available |
| N4UYD | 11 | 55 | 1999-02-07 | 2001-02-08 | Available |
| N4UYE | 11 | 49 | — | — | Available |
| N4UYF | 11 | 57 | 1999-02-07 | 2001-02-08 | Available |
| N4UYG | 10 | 57 | 2010-01-21 | 2012-01-22 | Available |
| N4UYH | 11 | 55 | — | — | Available |
| N4UYI | 12 | 51 | 2000-07-04 | 2002-07-05 | Available |
| N4UYJ | 12 | 61 | 2029-02-12 | — | Active |
| N4UYK | 11 | 57 | 2033-10-18 | — | Active |
| N4UYL | 11 | 57 | 2001-04-20 | 2003-04-21 | Available |
| N4UYM | 10 | 55 | — | — | Available |
| N4UYN | 12 | 53 | 1999-03-25 | 2001-03-26 | Available |
| N4UYO | 11 | 59 | — | — | Available |
| N4UYP | 11 | 59 | 2029-11-18 | — | Active |
| N4UYQ | 11 | 61 | 2013-04-30 | 2015-05-01 | Available |
| N4UYR | 12 | 55 | 2028-11-09 | — | Active |
| N4UYS | 12 | 53 | 1999-02-14 | 2001-02-15 | Available |
| N4UYT | 11 | 51 | — | — | Available |
| N4UYU | 12 | 55 | 2001-03-30 | 2003-03-31 | Available |
| N4UYV | 11 | 57 | 2028-10-28 | — | Active |
| N4UYW | 11 | 57 | 2008-10-15 | 2010-10-16 | Available |
| N4UYX | 11 | 59 | — | — | Available |
| N4UYY | 11 | 61 | 2011-07-08 | 2013-07-09 | Available |
| N4UYZ | 11 | 59 | 2029-01-29 | — | Active |
| N4UZA | 11 | 51 | 2030-01-16 | — | Active (Vanity) |
| N4UZB | 11 | 55 | 1999-02-14 | 2001-02-15 | Available |
| N4UZC | 11 | 57 | 1999-02-14 | 2001-02-15 | Available |
| N4UZD | 11 | 53 | 1999-08-15 | 2001-08-16 | Available |
| N4UZE | 11 | 47 | 2018-10-14 | 2020-10-15 | Available |
| N4UZF | 11 | 55 | 2020-06-25 | 2022-06-26 | Available |
| N4UZG | 10 | 55 | — | — | Available |
| N4UZH | 11 | 53 | — | — | Available |
| N4UZI | 12 | 49 | 2029-01-14 | — | Active |
| N4UZJ | 12 | 59 | 2029-03-22 | — | Active |
| N4UZK | 11 | 55 | 1999-02-14 | 2001-02-15 | Available |
| N4UZL | 11 | 55 | 2003-11-09 | 2005-11-10 | Available |
| N4UZM | 10 | 53 | 2028-12-30 | — | Active |
| N4UZN | 12 | 51 | — | — | Available |
| N4UZO | 11 | 57 | 1999-02-14 | 2001-02-15 | Available |
| N4UZP | 11 | 57 | — | — | Available |
| N4UZQ | 11 | 59 | 2018-10-23 | 2020-10-24 | Available |
| N4UZR | 12 | 53 | 2008-09-03 | 2010-09-04 | Available |
| N4UZS | 12 | 51 | 2009-01-11 | 2011-01-12 | Available |
| N4UZT | 11 | 49 | 2029-02-09 | — | Active |
| N4UZU | 12 | 53 | 2026-08-07 | — | Active |
| N4UZV | 11 | 55 | 2000-06-07 | 2002-06-08 | Available |
| N4UZW | 11 | 55 | 2018-10-15 | 2020-10-16 | Available |
| N4UZX | 11 | 57 | 2033-09-19 | — | Active (Vanity) |
| N4UZY | 11 | 59 | 2009-02-21 | 2011-02-22 | Available |
| N4UZZ | 11 | 57 | 2030-06-15 | — | Active |
| N4VAA | 10 | 47 | 2020-03-18 | 2022-03-19 | Available |
| N4VAB | 10 | 51 | 2026-01-19 | — | Active (Vanity) |
| N4VAC | 10 | 53 | 2031-11-19 | — | Active |
| N4VAD | 10 | 49 | 2032-10-23 | — | Active |
| N4VAE | 10 | 43 | 2028-10-16 | — | Active |
| N4VAF | 10 | 51 | 2029-03-23 | — | Active |
| N4VAG | 9 | 51 | 1999-02-21 | 2001-02-22 | Available |
| N4VAH | 10 | 49 | — | — | Available |
| N4VAI | 11 | 45 | 2019-04-23 | 2021-04-24 | Available |
| N4VAJ | 11 | 55 | 1999-02-21 | 2001-02-22 | Available |
| N4VAK | 10 | 51 | 2022-03-14 | 2024-03-15 | Available |
| N4VAL | 10 | 51 | 2027-03-17 | — | Active (Vanity) |
| N4VAM | 9 | 49 | 2029-04-02 | — | Active (Vanity) |
| N4VAN | 11 | 47 | 2029-08-04 | — | Active (Vanity) |
| N4VAO | 10 | 53 | 1999-02-21 | 2001-02-22 | Available |
| N4VAP | 10 | 53 | — | — | Available |
| N4VAQ | 10 | 55 | 2029-08-04 | — | Active |
| N4VAR | 11 | 49 | 2028-11-13 | — | Active |
| N4VAS | 11 | 47 | 2034-12-17 | — | Active (Vanity) |
| N4VAT | 10 | 45 | 2034-07-18 | — | Active |
| N4VAU | 11 | 49 | 1999-02-21 | 2001-02-22 | Available |
| N4VAV | 10 | 51 | 2031-01-26 | — | Active |
| N4VAW | 10 | 51 | 2030-06-27 | — | Active (Vanity) |
| N4VAX | 10 | 53 | 2031-12-23 | — | Active |
| N4VAY | 10 | 55 | 2029-03-23 | — | Active |
| N4VAZ | 10 | 53 | 2028-10-23 | — | Active |
| N4VBA | 10 | 51 | 2009-11-24 | 2011-11-25 | Available |
| N4VBB | 10 | 55 | 2009-11-19 | 2011-11-20 | Available |
| N4VBC | 10 | 57 | 2026-05-08 | 2028-05-09 | Canceled (grace period) |
| N4VBD | 10 | 53 | 2029-02-25 | — | Active |
| N4VBE | 10 | 47 | 2028-10-20 | — | Active |
| N4VBF | 10 | 55 | 2000-04-11 | 2002-04-12 | Available |
| N4VBG | 9 | 55 | — | — | Available |
| N4VBH | 10 | 53 | 2031-05-07 | — | Active |
| N4VBI | 11 | 49 | 2003-02-09 | 2005-02-10 | Available |
| N4VBJ | 11 | 59 | — | — | Available |
| N4VBK | 10 | 55 | 2030-12-30 | — | Active |
| N4VBL | 10 | 55 | — | — | Available |