District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4FBX | 10 | 57 | 2027-10-27 | — | Active |
| N4FBY | 10 | 59 | 2036-02-28 | — | Active |
| N4FBZ | 10 | 57 | 2031-02-19 | — | Active |
| N4FCA | 10 | 53 | 2029-08-20 | — | Active (Vanity) |
| N4FCB | 10 | 57 | 2036-01-30 | — | Active |
| N4FCC | 10 | 59 | 2034-03-22 | — | Active (Vanity) |
| N4FCD | 10 | 55 | 2016-10-08 | 2018-10-09 | Available |
| N4FCE | 10 | 49 | — | — | Available |
| N4FCF | 10 | 57 | 2021-05-21 | 2023-05-22 | Available |
| N4FCG | 9 | 57 | 2033-11-04 | — | Active (Vanity) |
| N4FCH | 10 | 55 | 2032-09-11 | — | Active (Vanity) |
| N4FCI | 11 | 51 | 2016-10-12 | 2018-10-13 | Available |
| N4FCJ | 11 | 61 | — | — | Available |
| N4FCK | 10 | 57 | 2016-02-22 | 2018-02-23 | Available |
| N4FCL | 10 | 57 | 2021-03-19 | 2023-03-20 | Available |
| N4FCM | 9 | 55 | — | — | Available |
| N4FCN | 11 | 53 | — | — | Available |
| N4FCO | 10 | 59 | 2026-09-28 | — | Active |
| N4FCP | 10 | 59 | 2028-06-14 | — | Active |
| N4FCQ | 10 | 61 | — | — | Available |
| N4FCR | 11 | 55 | 2031-08-17 | — | Active (Vanity) |
| N4FCS | 11 | 53 | 2030-07-11 | — | Active (Vanity) |
| N4FCT | 10 | 51 | 2000-10-14 | 2002-10-15 | Available |
| N4FCU | 11 | 55 | 2033-07-25 | — | Active (Vanity) |
| N4FCV | 10 | 57 | — | — | Available |
| N4FCW | 10 | 57 | 2010-11-09 | 2012-11-10 | Available |
| N4FCX | 10 | 59 | — | — | Available |
| N4FCY | 10 | 61 | 2020-01-02 | 2022-01-03 | Available |
| N4FCZ | 10 | 59 | — | — | Available |
| N4FDA | 10 | 49 | 2018-05-11 | 2020-05-12 | Available |
| N4FDB | 10 | 53 | 2036-06-28 | — | Active |
| N4FDC | 10 | 55 | 2032-09-05 | — | Active (Vanity) |
| N4FDD | 10 | 51 | — | — | Available |
| N4FDE | 10 | 45 | — | — | Available |
| N4FDF | 10 | 53 | 2008-05-11 | 2010-05-12 | Available |
| N4FDG | 9 | 53 | 2028-01-09 | — | Active |
| N4FDH | 10 | 51 | 2028-05-29 | — | Active |
| N4FDI | 11 | 47 | 2013-01-09 | 2015-01-10 | Available |
| N4FDJ | 11 | 57 | — | — | Available |
| N4FDK | 10 | 53 | 2008-10-30 | 2010-10-31 | Available |
| N4FDL | 10 | 53 | 2024-03-08 | 2026-03-09 | Available |
| N4FDM | 9 | 51 | — | — | Available |
| N4FDN | 11 | 49 | 2013-11-30 | 2015-12-01 | Available |
| N4FDO | 10 | 55 | 2006-12-09 | 2008-12-10 | Available |
| N4FDP | 10 | 55 | 2028-10-19 | — | Active (Vanity) |
| N4FDQ | 10 | 57 | 2029-09-17 | — | Active |
| N4FDR | 11 | 51 | — | — | Available |
| N4FDS | 11 | 49 | 2028-06-12 | — | Active (Vanity) |
| N4FDT | 10 | 47 | 2025-10-14 | — | Active (Vanity) |
| N4FDU | 11 | 51 | 2036-06-06 | — | Active |
| N4FDV | 10 | 53 | — | — | Available |
| N4FDW | 10 | 53 | 2031-10-23 | — | Active |
| N4FDX | 10 | 55 | 2030-03-19 | — | Active (Vanity) |
| N4FDY | 10 | 57 | 2029-07-08 | — | Active |
| N4FDZ | 10 | 55 | — | — | Available |
| N4FEA | 10 | 43 | 2006-09-13 | 2008-09-14 | Available |
| N4FEB | 10 | 47 | 2028-11-01 | — | Active (Vanity) |
| N4FEC | 10 | 49 | 2027-08-11 | — | Active (Vanity) |
| N4FED | 10 | 45 | 2025-09-15 | — | Active (Vanity) |
| N4FEE | 10 | 39 | 2007-05-01 | 2009-05-02 | Available |
| N4FEF | 10 | 47 | 2016-10-18 | 2018-10-19 | Available |
| N4FEG | 9 | 47 | 2030-09-18 | — | Active (Vanity) |
| N4FEH | 10 | 45 | — | — | Available |
| N4FEI | 11 | 41 | — | — | Available |
| N4FEJ | 11 | 51 | 2011-03-12 | 2013-03-13 | Available |
| N4FEK | 10 | 47 | 2036-03-25 | — | Active |
| N4FEL | 10 | 47 | 2034-01-04 | — | Active |
| N4FEM | 9 | 45 | 2003-06-20 | 2005-06-21 | Available |
| N4FEN | 11 | 43 | 2006-04-16 | 2008-04-17 | Available |
| N4FEO | 10 | 49 | 2005-06-28 | 2007-06-29 | Available |
| N4FEP | 10 | 49 | 2018-07-15 | 2020-07-16 | Available |
| N4FEQ | 10 | 51 | — | — | Available |
| N4FER | 11 | 45 | 2031-07-20 | — | Active (Vanity) |
| N4FES | 11 | 43 | 2026-02-28 | — | Active |
| N4FET | 10 | 41 | 2033-03-15 | — | Active (Vanity) |
| N4FEU | 11 | 45 | 2036-08-01 | — | Active |
| N4FEV | 10 | 47 | 2006-01-23 | 2008-01-24 | Available |
| N4FEW | 10 | 47 | — | — | Available |
| N4FEX | 10 | 49 | — | — | Available |
| N4FEY | 10 | 51 | 2006-04-12 | 2008-04-13 | Available |
| N4FEZ | 10 | 49 | 2027-06-27 | — | Active (Vanity) |
| N4FFA | 10 | 51 | 2004-07-15 | 2006-07-16 | Available |
| N4FFB | 10 | 55 | 2012-10-20 | 2014-10-21 | Available |
| N4FFC | 10 | 57 | 2027-05-07 | — | Active |
| N4FFD | 10 | 53 | 2027-03-20 | — | Active |
| N4FFE | 10 | 47 | 2035-08-02 | — | Active (Vanity) |
| N4FFF | 10 | 55 | 2030-12-11 | — | Active (Vanity) |
| N4FFG | 9 | 55 | 2025-07-17 | — | Active |
| N4FFH | 10 | 53 | 2026-09-02 | — | Active |
| N4FFI | 11 | 49 | — | — | Available |
| N4FFJ | 11 | 59 | 2037-01-13 | — | Active |
| N4FFK | 10 | 55 | 2034-03-01 | — | Active |
| N4FFL | 10 | 55 | 2028-03-06 | — | Active (Vanity) |
| N4FFM | 9 | 53 | — | — | Available |
| N4FFN | 11 | 51 | 2030-08-04 | — | Active (Vanity) |
| N4FFO | 10 | 57 | — | — | Available |
| N4FFP | 10 | 57 | 2029-09-17 | — | Active (Vanity) |
| N4FFQ | 10 | 59 | 2014-07-14 | 2016-07-15 | Available |
| N4FFR | 11 | 53 | — | — | Available |
| N4FFS | 11 | 51 | 2007-09-11 | 2009-09-12 | Available |