District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4FRH | 11 | 51 | 2027-05-26 | — | Active (Vanity) |
| N4FRI | 12 | 47 | — | — | Available |
| N4FRJ | 12 | 57 | 2012-04-28 | 2014-04-29 | Available |
| N4FRK | 11 | 53 | 2032-08-04 | — | Active |
| N4FRL | 11 | 53 | 2030-11-24 | — | Active (Vanity) |
| N4FRM | 10 | 51 | — | — | Available |
| N4FRN | 12 | 49 | — | — | Available |
| N4FRO | 11 | 55 | — | — | Available |
| N4FRP | 11 | 55 | 2027-12-12 | — | Active |
| N4FRQ | 11 | 57 | 2016-08-05 | 2018-08-06 | Available |
| N4FRR | 12 | 51 | — | — | Available |
| N4FRS | 12 | 49 | 2035-04-08 | — | Active (Vanity) |
| N4FRT | 11 | 47 | — | — | Available |
| N4FRU | 12 | 51 | 2022-12-22 | 2024-12-23 | Available |
| N4FRV | 11 | 53 | 2024-12-12 | — | Active (Vanity) |
| N4FRW | 11 | 53 | 2023-04-27 | 2025-04-28 | Available |
| N4FRX | 11 | 55 | 1998-11-01 | 2000-11-02 | Available |
| N4FRY | 11 | 57 | — | — | Available |
| N4FRZ | 11 | 55 | 2004-07-16 | 2006-07-17 | Available |
| N4FSA | 11 | 47 | 2036-06-10 | — | Active |
| N4FSB | 11 | 51 | 2022-12-21 | 2024-12-22 | Available |
| N4FSC | 11 | 53 | 2034-02-12 | — | Active |
| N4FSD | 11 | 49 | — | — | Available |
| N4FSE | 11 | 43 | — | — | Available |
| N4FSF | 11 | 51 | 1998-06-07 | 2000-06-08 | Available |
| N4FSG | 10 | 51 | 2006-08-29 | 2008-08-30 | Available |
| N4FSH | 11 | 49 | 2035-08-05 | — | Active (Vanity) |
| N4FSI | 12 | 45 | 2016-03-26 | 2018-03-27 | Available |
| N4FSJ | 12 | 55 | — | — | Available |
| N4FSK | 11 | 51 | 2033-12-17 | — | Active (Vanity) |
| N4FSL | 11 | 51 | 2005-10-26 | 2007-10-27 | Available |
| N4FSM | 10 | 49 | — | — | Available |
| N4FSN | 12 | 47 | 2028-09-09 | — | Active |
| N4FSO | 11 | 53 | 2027-12-05 | — | Active |
| N4FSP | 11 | 53 | — | — | Available |
| N4FSQ | 11 | 55 | 2001-07-07 | 2003-07-08 | Available |
| N4FSR | 12 | 49 | — | — | Available |
| N4FSS | 12 | 47 | — | — | Available |
| N4FST | 11 | 45 | 2035-10-04 | — | Active |
| N4FSU | 12 | 49 | 2028-01-26 | — | Active (Vanity) |
| N4FSV | 11 | 51 | 2017-02-20 | 2019-02-21 | Available |
| N4FSW | 11 | 51 | 2006-02-15 | 2008-02-16 | Available |
| N4FSX | 11 | 53 | — | — | Available |
| N4FSY | 11 | 55 | 2008-01-06 | 2010-01-07 | Available |
| N4FSZ | 11 | 53 | 2026-12-30 | — | Active |
| N4FTA | 10 | 45 | 2027-01-21 | — | Active |
| N4FTB | 10 | 49 | — | — | Available |
| N4FTC | 10 | 51 | 2015-10-06 | 2017-10-07 | Available |
| N4FTD | 10 | 47 | 2032-06-16 | — | Active |
| N4FTE | 10 | 41 | — | — | Available |
| N4FTF | 10 | 49 | — | — | Available |
| N4FTG | 9 | 49 | 2030-06-15 | — | Active |
| N4FTH | 10 | 47 | 2025-04-03 | — | Active (Vanity) |
| N4FTI | 11 | 43 | 2018-04-06 | 2020-04-07 | Available |
| N4FTJ | 11 | 53 | 2032-09-29 | — | Active |
| N4FTK | 10 | 49 | 2032-10-13 | — | Active |
| N4FTL | 10 | 49 | 2006-07-31 | 2008-08-01 | Available |
| N4FTM | 9 | 47 | 2027-08-21 | — | Active |
| N4FTN | 11 | 45 | 2036-08-01 | — | Active |
| N4FTO | 10 | 51 | 2019-02-20 | 2021-02-21 | Available |
| N4FTP | 10 | 51 | 2026-08-14 | — | Active |
| N4FTQ | 10 | 53 | 2036-03-17 | — | Active (Vanity) |
| N4FTR | 11 | 47 | 2016-04-17 | 2018-04-18 | Available |
| N4FTS | 11 | 45 | 2036-08-18 | — | Active |
| N4FTT | 10 | 43 | — | — | Available |
| N4FTU | 11 | 47 | 2016-05-17 | 2018-05-18 | Available |
| N4FTV | 10 | 49 | 2036-07-14 | — | Active (Vanity) |
| N4FTW | 10 | 49 | 2028-08-07 | — | Active (Vanity) |
| N4FTX | 10 | 51 | 2028-09-07 | — | Active (Vanity) |
| N4FTY | 10 | 53 | 2021-01-11 | 2023-01-12 | Available |
| N4FTZ | 10 | 51 | 2006-07-29 | 2008-07-30 | Available |
| N4FUA | 11 | 49 | — | — | Available |
| N4FUB | 11 | 53 | — | — | Available |
| N4FUC | 11 | 55 | — | — | Available |
| N4FUD | 11 | 51 | 2035-05-13 | — | Active (Vanity) |
| N4FUE | 11 | 45 | 2004-06-16 | 2006-06-17 | Available |
| N4FUF | 11 | 53 | 2023-03-04 | 2025-03-05 | Available |
| N4FUG | 10 | 53 | — | — | Available |
| N4FUH | 11 | 51 | — | — | Available |
| N4FUI | 12 | 47 | 2007-02-19 | 2009-02-20 | Available |
| N4FUJ | 12 | 57 | — | — | Available |
| N4FUK | 11 | 53 | — | — | Available |
| N4FUL | 11 | 53 | — | — | Available |
| N4FUM | 10 | 51 | — | — | Available |
| N4FUN | 12 | 49 | 2028-08-17 | — | Active (Vanity) |
| N4FUO | 11 | 55 | — | — | Available |
| N4FUP | 11 | 55 | 2024-12-02 | — | Active (Vanity) |
| N4FUQ | 11 | 57 | — | — | Available |
| N4FUR | 12 | 51 | 2032-07-23 | — | Active (Vanity) |
| N4FUS | 12 | 49 | 2034-04-12 | — | Active |
| N4FUT | 11 | 47 | — | — | Available |
| N4FUU | 12 | 51 | — | — | Available |
| N4FUV | 11 | 53 | — | — | Available |
| N4FUW | 11 | 53 | 2029-06-30 | — | Active (Vanity) |
| N4FUX | 11 | 55 | 2024-05-18 | 2026-05-19 | Available |
| N4FUY | 11 | 57 | 2027-02-25 | — | Active |
| N4FUZ | 11 | 55 | 2006-04-15 | 2008-04-16 | Available |
| N4FVA | 10 | 51 | 2028-03-27 | — | Active |
| N4FVB | 10 | 55 | — | — | Available |
| N4FVC | 10 | 57 | 2006-07-30 | 2008-07-31 | Available |