District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4NYR | 12 | 53 | 2006-02-05 | 2008-02-06 | Available |
| N4NYS | 12 | 51 | 2028-07-03 | — | Active (Vanity) |
| N4NYT | 11 | 49 | 2036-02-07 | — | Active |
| N4NYU | 12 | 53 | 2004-03-01 | 2006-03-02 | Available |
| N4NYV | 11 | 55 | 2033-05-11 | — | Active |
| N4NYW | 11 | 55 | 2017-12-30 | 2019-12-31 | Available |
| N4NYX | 11 | 57 | 2032-03-25 | — | Active (Vanity) |
| N4NYY | 11 | 59 | 2029-08-21 | — | Active (Vanity) |
| N4NYZ | 11 | 57 | — | — | Available |
| N4NZA | 11 | 49 | 2036-06-04 | — | Active (Vanity) |
| N4NZB | 11 | 53 | — | — | Available |
| N4NZC | 11 | 55 | — | — | Available |
| N4NZD | 11 | 51 | 2011-08-13 | 2013-08-14 | Available |
| N4NZE | 11 | 45 | 2006-03-20 | 2008-03-21 | Available |
| N4NZF | 11 | 53 | — | — | Available |
| N4NZG | 10 | 53 | — | — | Available |
| N4NZH | 11 | 51 | 2006-05-23 | 2008-05-24 | Available |
| N4NZI | 12 | 47 | 2001-03-26 | 2003-03-27 | Available |
| N4NZJ | 12 | 57 | 2006-04-11 | 2008-04-12 | Available |
| N4NZK | 11 | 53 | — | — | Available |
| N4NZL | 11 | 53 | 2036-02-07 | — | Active |
| N4NZM | 10 | 51 | 2034-03-14 | — | Active (Vanity) |
| N4NZN | 12 | 49 | — | — | Available |
| N4NZO | 11 | 55 | 2005-10-31 | 2007-11-01 | Available |
| N4NZP | 11 | 55 | — | — | Available |
| N4NZQ | 11 | 57 | 2011-02-11 | 2013-02-12 | Available |
| N4NZR | 12 | 51 | 2030-10-17 | — | Active (Vanity) |
| N4NZS | 12 | 49 | — | — | Available |
| N4NZT | 11 | 47 | 2018-12-01 | 2020-12-02 | Available |
| N4NZU | 12 | 51 | — | — | Available |
| N4NZV | 11 | 53 | 2029-07-27 | — | Active (Vanity) |
| N4NZW | 11 | 53 | 2026-02-19 | — | Active (Vanity) |
| N4NZX | 11 | 55 | — | — | Available |
| N4NZY | 11 | 57 | 2034-03-22 | — | Active |
| N4NZZ | 11 | 55 | 2031-12-21 | — | Active (Vanity) |
| N4OAA | 10 | 49 | 2027-02-09 | — | Active (Vanity) |
| N4OAB | 10 | 53 | 2008-01-06 | 2010-01-07 | Available |
| N4OAC | 10 | 55 | — | — | Available |
| N4OAD | 10 | 51 | — | — | Available |
| N4OAE | 10 | 45 | 2027-09-26 | — | Active |
| N4OAF | 10 | 53 | — | — | Available |
| N4OAG | 9 | 53 | 2032-03-17 | — | Active |
| N4OAH | 10 | 51 | 2025-10-14 | — | Active (Vanity) |
| N4OAI | 11 | 47 | — | — | Available |
| N4OAJ | 11 | 57 | 2030-08-14 | — | Active |
| N4OAK | 10 | 53 | 2032-03-13 | — | Active (Vanity) |
| N4OAL | 10 | 53 | — | — | Available |
| N4OAM | 9 | 51 | 2016-01-31 | 2018-02-01 | Available |
| N4OAN | 11 | 49 | — | — | Available |
| N4OAO | 10 | 55 | — | — | Available |
| N4OAP | 10 | 55 | 2006-03-27 | 2008-03-28 | Available |
| N4OAQ | 10 | 57 | 2023-06-15 | 2025-06-16 | Available |
| N4OAR | 11 | 51 | 2036-02-05 | — | Active |
| N4OAS | 11 | 49 | — | — | Available |
| N4OAT | 10 | 47 | 2002-12-08 | 2004-12-09 | Available |
| N4OAU | 11 | 51 | 2018-11-16 | 2020-11-17 | Available |
| N4OAV | 10 | 53 | 2003-07-27 | 2005-07-28 | Available |
| N4OAW | 10 | 53 | 2006-02-05 | 2008-02-06 | Available |
| N4OAX | 10 | 55 | 2018-10-27 | 2020-10-28 | Available |
| N4OAY | 10 | 57 | 2027-05-27 | — | Active |
| N4OAZ | 10 | 55 | 2006-04-15 | 2008-04-16 | Available |
| N4OBA | 10 | 53 | — | — | Available |
| N4OBB | 10 | 57 | 2006-02-08 | 2008-02-09 | Available |
| N4OBC | 10 | 59 | — | — | Available |
| N4OBD | 10 | 55 | 2017-04-05 | 2019-04-06 | Available |
| N4OBE | 10 | 49 | — | — | Available |
| N4OBF | 10 | 57 | 2027-03-05 | — | Active |
| N4OBG | 9 | 57 | 2006-03-25 | 2008-03-26 | Available |
| N4OBH | 10 | 55 | 2001-04-18 | 2003-04-19 | Available |
| N4OBI | 11 | 51 | 2026-02-16 | — | Active |
| N4OBJ | 11 | 61 | — | — | Available |
| N4OBK | 10 | 57 | — | — | Available |
| N4OBL | 10 | 57 | 2001-01-22 | 2003-01-23 | Available |
| N4OBM | 9 | 55 | 2035-07-05 | — | Active |
| N4OBN | 11 | 53 | 2006-02-16 | 2008-02-17 | Available |
| N4OBO | 10 | 59 | — | — | Available |
| N4OBP | 10 | 59 | 1997-12-24 | 1999-12-25 | Available |
| N4OBQ | 10 | 61 | 1999-12-30 | 2001-12-31 | Available |
| N4OBR | 11 | 55 | 2035-08-28 | — | Active |
| N4OBS | 11 | 53 | 2027-02-12 | — | Active |
| N4OBT | 10 | 51 | 2021-07-09 | 2023-07-10 | Available |
| N4OBU | 11 | 55 | — | — | Available |
| N4OBV | 10 | 57 | — | — | Available |
| N4OBW | 10 | 57 | 2018-03-26 | 2020-03-27 | Available |
| N4OBX | 10 | 59 | 2029-07-27 | — | Active (Vanity) |
| N4OBY | 10 | 61 | — | — | Available |
| N4OBZ | 10 | 59 | 2030-08-14 | — | Active |
| N4OCA | 10 | 55 | 2017-12-18 | 2019-12-19 | Available |
| N4OCB | 10 | 59 | 2027-10-16 | — | Active |
| N4OCC | 10 | 61 | 2034-11-23 | — | Active (Vanity) |
| N4OCD | 10 | 57 | 2036-05-27 | — | Active (Vanity) |
| N4OCE | 10 | 51 | — | — | Available |
| N4OCF | 10 | 59 | 2027-06-17 | — | Active |
| N4OCG | 9 | 59 | 2006-06-06 | 2008-06-07 | Available |
| N4OCH | 10 | 57 | — | — | Available |
| N4OCI | 11 | 53 | 2006-05-03 | 2008-05-04 | Available |
| N4OCJ | 11 | 63 | — | — | Available |
| N4OCK | 10 | 59 | — | — | Available |
| N4OCL | 10 | 59 | 2006-02-26 | 2008-02-27 | Available |
| N4OCM | 9 | 57 | 2016-03-01 | 2018-03-02 | Available |