District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4OVT | 10 | 51 | 2005-11-03 | 2007-11-04 | Available |
| N4OVU | 11 | 55 | — | — | Available |
| N4OVV | 10 | 57 | — | — | Available |
| N4OVW | 10 | 57 | — | — | Available |
| N4OVX | 10 | 59 | 2027-06-16 | — | Active |
| N4OVY | 10 | 61 | 2036-06-19 | — | Active |
| N4OVZ | 10 | 59 | 2027-03-20 | — | Active |
| N4OWA | 10 | 53 | 2019-01-31 | 2021-02-01 | Available |
| N4OWB | 10 | 57 | 2020-01-09 | 2022-01-10 | Available |
| N4OWC | 10 | 59 | 2007-04-24 | 2009-04-25 | Available |
| N4OWD | 10 | 55 | 2036-06-14 | — | Active |
| N4OWE | 10 | 49 | 1997-08-25 | 1999-08-26 | Available |
| N4OWF | 10 | 57 | — | — | Available |
| N4OWG | 9 | 57 | 2027-06-04 | — | Active |
| N4OWH | 10 | 55 | 2016-07-24 | 2018-07-25 | Available |
| N4OWI | 11 | 51 | — | — | Available |
| N4OWJ | 11 | 61 | 2017-03-12 | 2019-03-13 | Available |
| N4OWK | 10 | 57 | 2005-09-21 | 2007-09-22 | Available |
| N4OWL | 10 | 57 | 2026-06-19 | — | Active |
| N4OWM | 9 | 55 | 2036-07-30 | — | Active |
| N4OWN | 11 | 53 | 2026-06-19 | — | Active |
| N4OWO | 10 | 59 | 2031-08-23 | — | Active (Vanity) |
| N4OWP | 10 | 59 | 2016-11-13 | 2018-11-14 | Available |
| N4OWQ | 10 | 61 | — | — | Available |
| N4OWR | 11 | 55 | 2006-04-10 | 2008-04-11 | Available |
| N4OWS | 11 | 53 | 2036-06-27 | — | Active |
| N4OWT | 10 | 51 | — | — | Available |
| N4OWU | 11 | 55 | 2036-12-02 | — | Active |
| N4OWV | 10 | 57 | — | — | Available |
| N4OWW | 10 | 57 | 2031-11-24 | — | Active |
| N4OWX | 10 | 59 | 2036-06-28 | — | Active |
| N4OWY | 10 | 61 | 2036-06-28 | — | Active |
| N4OWZ | 10 | 59 | 2026-03-18 | — | Active |
| N4OXA | 10 | 55 | 2000-12-16 | 2002-12-17 | Available |
| N4OXB | 10 | 59 | 2027-10-04 | — | Active |
| N4OXC | 10 | 61 | — | — | Available |
| N4OXD | 10 | 57 | 2008-02-26 | 2010-02-27 | Available |
| N4OXE | 10 | 51 | 2016-10-07 | 2018-10-08 | Available |
| N4OXF | 10 | 59 | 2006-07-31 | 2008-08-01 | Available |
| N4OXG | 9 | 59 | 2006-08-21 | 2008-08-22 | Available |
| N4OXH | 10 | 57 | — | — | Available |
| N4OXI | 11 | 53 | 2010-04-17 | 2012-04-18 | Available |
| N4OXJ | 11 | 63 | — | — | Available |
| N4OXK | 10 | 59 | — | — | Available |
| N4OXL | 10 | 59 | 2006-07-15 | 2008-07-16 | Available |
| N4OXM | 9 | 57 | 2021-05-21 | 2023-05-22 | Available |
| N4OXN | 11 | 55 | 2035-08-01 | — | Active |
| N4OXO | 10 | 61 | — | — | Available |
| N4OXP | 10 | 61 | 2000-05-29 | 2002-05-30 | Available |
| N4OXQ | 10 | 63 | 2016-11-05 | 2018-11-06 | Available |
| N4OXR | 11 | 57 | 2009-04-19 | 2011-04-20 | Available |
| N4OXS | 11 | 55 | — | — | Available |
| N4OXT | 10 | 53 | 2036-09-12 | — | Active |
| N4OXU | 11 | 57 | 2006-10-10 | 2008-10-11 | Available |
| N4OXV | 10 | 59 | 2028-01-08 | — | Active |
| N4OXW | 10 | 59 | 2006-09-09 | 2008-09-10 | Available |
| N4OXX | 10 | 61 | 2030-01-05 | — | Active (Vanity) |
| N4OXY | 10 | 63 | 2027-01-20 | — | Active |
| N4OXZ | 10 | 61 | 2027-05-29 | — | Active |
| N4OYA | 10 | 57 | 2032-01-11 | — | Active (Vanity) |
| N4OYB | 10 | 61 | 2027-06-05 | — | Active |
| N4OYC | 10 | 63 | 2008-01-21 | 2010-01-22 | Available |
| N4OYD | 10 | 59 | 2018-03-07 | 2020-03-08 | Available |
| N4OYE | 10 | 53 | — | — | Available |
| N4OYF | 10 | 61 | — | — | Available |
| N4OYG | 9 | 61 | 2027-04-24 | — | Active |
| N4OYH | 10 | 59 | 2029-03-11 | — | Active |
| N4OYI | 11 | 55 | — | — | Available |
| N4OYJ | 11 | 65 | 2017-09-12 | 2019-09-13 | Available |
| N4OYK | 10 | 61 | 2027-01-09 | — | Active |
| N4OYL | 10 | 61 | 2029-07-13 | — | Active |
| N4OYM | 9 | 59 | 2036-07-03 | — | Active |
| N4OYN | 11 | 57 | 2016-07-24 | 2018-07-25 | Available |
| N4OYO | 10 | 63 | 2006-12-12 | 2008-12-13 | Available |
| N4OYP | 10 | 63 | 2031-09-01 | — | Active |
| N4OYQ | 10 | 65 | 2016-07-30 | 2018-07-31 | Available |
| N4OYR | 11 | 59 | 2033-11-30 | — | Active |
| N4OYS | 11 | 57 | — | — | Available |
| N4OYT | 10 | 55 | 2036-04-10 | — | Active |
| N4OYU | 11 | 59 | 2000-05-09 | 2002-05-10 | Available |
| N4OYV | 10 | 61 | 2006-07-24 | 2008-07-25 | Available |
| N4OYW | 10 | 61 | 1998-08-17 | 2000-08-18 | Available |
| N4OYX | 10 | 63 | — | — | Available |
| N4OYY | 10 | 65 | — | — | Available |
| N4OYZ | 10 | 63 | 2027-05-31 | — | Active |
| N4OZA | 10 | 55 | 2016-07-31 | 2018-08-01 | Available |
| N4OZB | 10 | 59 | 2018-01-21 | 2020-01-22 | Available |
| N4OZC | 10 | 61 | 2036-07-24 | — | Active |
| N4OZD | 10 | 57 | — | — | Available |
| N4OZE | 10 | 51 | 2033-08-17 | — | Active |
| N4OZF | 10 | 59 | 2006-07-30 | 2008-07-31 | Available |
| N4OZG | 9 | 59 | — | — | Available |
| N4OZH | 10 | 57 | 2026-07-30 | — | Active |
| N4OZI | 11 | 53 | 2031-11-19 | — | Active |
| N4OZJ | 11 | 63 | 2002-07-07 | 2004-07-08 | Available |
| N4OZK | 10 | 59 | 2034-03-01 | — | Active (Vanity) |
| N4OZL | 10 | 59 | 2016-07-30 | 2018-07-31 | Available |
| N4OZM | 9 | 57 | 2017-07-08 | 2019-07-09 | Available |
| N4OZN | 11 | 55 | 2011-02-12 | 2013-02-13 | Available |
| N4OZO | 10 | 61 | 2017-08-07 | 2019-08-08 | Available |