District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4HWZ | 10 | 55 | 2027-01-31 | — | Active |
| N4HXA | 10 | 51 | 1997-11-17 | 1999-11-18 | Available |
| N4HXB | 10 | 55 | — | — | Available |
| N4HXC | 10 | 57 | — | — | Available |
| N4HXD | 10 | 53 | 2018-03-31 | 2020-04-01 | Available |
| N4HXE | 10 | 47 | 1998-09-06 | 2000-09-07 | Available |
| N4HXF | 10 | 55 | 2028-04-08 | — | Active |
| N4HXG | 9 | 55 | 2007-12-04 | 2009-12-05 | Available |
| N4HXH | 10 | 53 | — | — | Available |
| N4HXI | 11 | 49 | 2033-02-24 | — | Active |
| N4HXJ | 11 | 59 | — | — | Available |
| N4HXK | 10 | 55 | 1998-07-12 | 2000-07-13 | Available |
| N4HXL | 10 | 55 | 2028-02-07 | — | Active |
| N4HXM | 9 | 53 | — | — | Available |
| N4HXN | 11 | 51 | 1998-06-14 | 2000-06-15 | Available |
| N4HXO | 10 | 57 | — | — | Available |
| N4HXP | 10 | 57 | 1997-10-20 | 1999-10-21 | Available |
| N4HXQ | 10 | 59 | — | — | Available |
| N4HXR | 11 | 53 | 2024-12-04 | — | Active |
| N4HXS | 11 | 51 | 2024-08-13 | 2026-08-14 | Available |
| N4HXT | 10 | 49 | 2027-01-24 | — | Active |
| N4HXU | 11 | 53 | 2027-01-24 | — | Active |
| N4HXV | 10 | 55 | — | — | Available |
| N4HXW | 10 | 55 | 1999-11-07 | 2001-11-08 | Available |
| N4HXX | 10 | 57 | 2014-01-18 | 2016-01-19 | Available |
| N4HXY | 10 | 59 | 2028-03-17 | — | Active |
| N4HXZ | 10 | 57 | — | — | Available |
| N4HYA | 10 | 53 | 2004-10-04 | 2006-10-05 | Available |
| N4HYB | 10 | 57 | 2028-06-22 | — | Active (Vanity) |
| N4HYC | 10 | 59 | — | — | Available |
| N4HYD | 10 | 55 | 2032-01-15 | — | Active (Vanity) |
| N4HYE | 10 | 49 | 2007-05-22 | 2009-05-23 | Available |
| N4HYF | 10 | 57 | 2027-09-05 | — | Active |
| N4HYG | 9 | 57 | — | — | Available |
| N4HYH | 10 | 55 | — | — | Available |
| N4HYI | 11 | 51 | — | — | Available |
| N4HYJ | 11 | 61 | — | — | Available |
| N4HYK | 10 | 57 | 2033-02-16 | — | Active |
| N4HYL | 10 | 57 | 2015-06-08 | 2017-06-09 | Available |
| N4HYM | 9 | 55 | 2019-07-20 | 2021-07-21 | Available |
| N4HYN | 11 | 53 | — | — | Available |
| N4HYO | 10 | 59 | — | — | Available |
| N4HYP | 10 | 59 | 2028-02-22 | — | Active |
| N4HYQ | 10 | 61 | — | — | Available |
| N4HYR | 11 | 55 | 2005-12-12 | 2007-12-13 | Available |
| N4HYS | 11 | 53 | 2031-11-26 | — | Active |
| N4HYT | 10 | 51 | 2028-02-09 | — | Active (Vanity) |
| N4HYU | 11 | 55 | — | — | Available |
| N4HYV | 10 | 57 | 2027-09-19 | — | Active (Vanity) |
| N4HYW | 10 | 57 | 2008-12-07 | 2010-12-08 | Available |
| N4HYX | 10 | 59 | 2027-08-20 | — | Active |
| N4HYY | 10 | 61 | 2020-06-23 | 2022-06-24 | Available |
| N4HYZ | 10 | 59 | 2024-03-05 | 2026-03-06 | Available |
| N4HZA | 10 | 51 | — | — | Available |
| N4HZB | 10 | 55 | 2008-04-29 | 2010-04-30 | Available |
| N4HZC | 10 | 57 | — | — | Available |
| N4HZD | 10 | 53 | — | — | Available |
| N4HZE | 10 | 47 | — | — | Available |
| N4HZF | 10 | 55 | — | — | Available |
| N4HZG | 9 | 55 | — | — | Available |
| N4HZH | 10 | 53 | — | — | Available |
| N4HZI | 11 | 49 | 2017-05-19 | 2019-05-20 | Available |
| N4HZJ | 11 | 59 | — | — | Available |
| N4HZK | 10 | 55 | 2032-04-07 | — | Active |
| N4HZL | 10 | 55 | 2027-04-22 | — | Active |
| N4HZM | 9 | 53 | — | — | Available |
| N4HZN | 11 | 51 | — | — | Available |
| N4HZO | 10 | 57 | 2008-04-21 | 2010-04-22 | Available |
| N4HZP | 10 | 57 | 2001-05-14 | 2003-05-15 | Available |
| N4HZQ | 10 | 59 | 2005-08-03 | 2007-08-04 | Available |
| N4HZR | 11 | 53 | 2002-09-29 | 2004-09-30 | Available |
| N4HZS | 11 | 51 | — | — | Available |
| N4HZT | 10 | 49 | — | — | Available |
| N4HZU | 11 | 53 | 2009-06-02 | 2011-06-03 | Available |
| N4HZV | 10 | 55 | — | — | Available |
| N4HZW | 10 | 55 | 2014-06-15 | 2016-06-16 | Available |
| N4HZX | 10 | 57 | 2032-11-10 | — | Active |
| N4HZY | 10 | 59 | — | — | Available |
| N4HZZ | 10 | 57 | 2008-01-16 | 2010-01-17 | Available |
| N4IAA | 11 | 41 | 2030-03-06 | — | Active |
| N4IAB | 11 | 45 | — | — | Available |
| N4IAC | 11 | 47 | 2022-12-22 | 2024-12-23 | Available |
| N4IAD | 11 | 43 | — | — | Available |
| N4IAE | 11 | 37 | — | — | Available |
| N4IAF | 11 | 45 | — | — | Available |
| N4IAG | 10 | 45 | 2032-02-04 | — | Active |
| N4IAH | 11 | 43 | — | — | Available |
| N4IAI | 12 | 39 | — | — | Available |
| N4IAJ | 12 | 49 | 2008-05-21 | 2010-05-22 | Available |
| N4IAK | 11 | 45 | 2031-11-19 | — | Active (Vanity) |
| N4IAL | 11 | 45 | — | — | Available |
| N4IAM | 10 | 43 | 2035-03-08 | — | Active (Vanity) |
| N4IAN | 12 | 41 | 2035-03-12 | — | Active (Vanity) |
| N4IAO | 11 | 47 | 2005-08-09 | 2007-08-10 | Available |
| N4IAP | 11 | 47 | — | — | Available |
| N4IAQ | 11 | 49 | — | — | Available |
| N4IAR | 12 | 43 | 2018-03-26 | 2020-03-27 | Available |
| N4IAS | 12 | 41 | — | — | Available |
| N4IAT | 11 | 39 | 2027-09-28 | — | Active (Vanity) |
| N4IAU | 12 | 43 | 2002-05-09 | 2004-05-10 | Available |