District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4IER | 12 | 39 | 2017-08-27 | 2019-08-28 | Available |
| N4IES | 12 | 37 | — | — | Available |
| N4IET | 11 | 35 | 2033-11-09 | — | Active (Vanity) |
| N4IEU | 12 | 39 | 2032-05-01 | — | Active |
| N4IEV | 11 | 41 | — | — | Available |
| N4IEW | 11 | 41 | 2022-04-09 | 2024-04-10 | Available |
| N4IEX | 11 | 43 | 1998-03-08 | 2000-03-09 | Available |
| N4IEY | 11 | 45 | 1998-03-08 | 2000-03-09 | Available |
| N4IEZ | 11 | 43 | 2031-12-24 | — | Active |
| N4IFA | 11 | 45 | 2017-12-23 | 2019-12-24 | Available |
| N4IFB | 11 | 49 | — | — | Available |
| N4IFC | 11 | 51 | 2029-02-11 | — | Active |
| N4IFD | 11 | 47 | 2030-05-15 | — | Active |
| N4IFE | 11 | 41 | 2033-09-30 | — | Active |
| N4IFF | 11 | 49 | 2030-04-27 | — | Active (Vanity) |
| N4IFG | 10 | 49 | 2018-04-01 | 2020-04-02 | Available |
| N4IFH | 11 | 47 | 1997-12-29 | 1999-12-30 | Available |
| N4IFI | 12 | 43 | 2017-11-03 | 2019-11-04 | Available |
| N4IFJ | 12 | 53 | 2031-04-24 | — | Active (Vanity) |
| N4IFK | 11 | 49 | 2033-12-20 | — | Active |
| N4IFL | 11 | 49 | 2013-02-09 | 2015-02-10 | Available |
| N4IFM | 10 | 47 | 2028-08-16 | — | Active |
| N4IFN | 12 | 45 | 2027-07-31 | — | Active |
| N4IFO | 11 | 51 | 2007-12-03 | 2009-12-04 | Available |
| N4IFP | 11 | 51 | 2028-12-22 | — | Active |
| N4IFQ | 11 | 53 | 1999-05-09 | 2001-05-10 | Available |
| N4IFR | 12 | 47 | 2033-12-22 | — | Active (Vanity) |
| N4IFS | 12 | 45 | 2002-06-23 | 2004-06-24 | Available |
| N4IFT | 11 | 43 | 2001-08-03 | 2003-08-04 | Available |
| N4IFU | 12 | 47 | — | — | Available |
| N4IFV | 11 | 49 | 2007-09-25 | 2009-09-26 | Available |
| N4IFW | 11 | 49 | 2008-07-10 | 2010-07-11 | Available |
| N4IFX | 11 | 51 | — | — | Available |
| N4IFY | 11 | 53 | — | — | Available |
| N4IFZ | 11 | 51 | — | — | Available |
| N4IGA | 10 | 45 | — | — | Available |
| N4IGB | 10 | 49 | 2031-04-30 | — | Active |
| N4IGC | 10 | 51 | 2015-10-25 | 2017-10-26 | Available |
| N4IGD | 10 | 47 | 2028-01-12 | — | Active |
| N4IGE | 10 | 41 | 2006-02-08 | 2008-02-09 | Available |
| N4IGF | 10 | 49 | 2026-03-20 | — | Active |
| N4IGG | 9 | 49 | 2027-03-25 | — | Active |
| N4IGH | 10 | 47 | 2029-03-09 | — | Active |
| N4IGI | 11 | 43 | 2028-02-23 | — | Active (Vanity) |
| N4IGJ | 11 | 53 | — | — | Available |
| N4IGK | 10 | 49 | 2017-12-16 | 2019-12-17 | Available |
| N4IGL | 10 | 49 | 2023-03-22 | 2025-03-23 | Available |
| N4IGM | 9 | 47 | 2007-12-09 | 2009-12-10 | Available |
| N4IGN | 11 | 45 | 2027-08-29 | — | Active |
| N4IGO | 10 | 51 | 2033-02-11 | — | Active (Vanity) |
| N4IGP | 10 | 51 | 2013-04-02 | 2015-04-03 | Available |
| N4IGQ | 10 | 53 | — | — | Available |
| N4IGR | 11 | 47 | 2015-12-14 | 2017-12-15 | Available |
| N4IGS | 11 | 45 | 2021-10-19 | 2023-10-20 | Available |
| N4IGT | 10 | 43 | 2027-02-13 | — | Active (Vanity) |
| N4IGU | 11 | 47 | 2029-02-03 | — | Active |
| N4IGV | 10 | 49 | 2000-11-07 | 2002-11-08 | Available |
| N4IGW | 10 | 49 | 2027-10-29 | — | Active |
| N4IGX | 10 | 51 | 2028-06-12 | — | Active |
| N4IGY | 10 | 53 | 2017-08-01 | 2019-08-02 | Available |
| N4IGZ | 10 | 51 | — | — | Available |
| N4IHA | 11 | 43 | 2002-03-28 | 2004-03-29 | Available |
| N4IHB | 11 | 47 | 2017-07-14 | 2019-07-15 | Available |
| N4IHC | 11 | 49 | 2007-05-30 | 2009-05-31 | Available |
| N4IHD | 11 | 45 | 2008-03-10 | 2010-03-11 | Available |
| N4IHE | 11 | 39 | — | — | Available |
| N4IHF | 11 | 47 | 2021-11-12 | 2023-11-13 | Available |
| N4IHG | 10 | 47 | 2000-09-06 | 2002-09-07 | Available |
| N4IHH | 11 | 45 | 2018-06-03 | 2020-06-04 | Available |
| N4IHI | 12 | 41 | — | — | Available |
| N4IHJ | 12 | 51 | — | — | Available |
| N4IHK | 11 | 47 | — | — | Available |
| N4IHL | 11 | 47 | — | — | Available |
| N4IHM | 10 | 45 | — | — | Available |
| N4IHN | 12 | 43 | 2017-08-12 | 2019-08-13 | Available |
| N4IHO | 11 | 49 | — | — | Available |
| N4IHP | 11 | 49 | 2017-09-08 | 2019-09-09 | Available |
| N4IHQ | 11 | 51 | — | — | Available |
| N4IHR | 12 | 45 | — | — | Available |
| N4IHS | 12 | 43 | 2027-06-20 | — | Active (Vanity) |
| N4IHT | 11 | 41 | 2017-07-15 | 2019-07-16 | Available |
| N4IHU | 12 | 45 | 2032-03-16 | — | Active (Vanity) |
| N4IHV | 11 | 47 | 2024-03-09 | 2026-03-10 | Available |
| N4IHW | 11 | 47 | 2023-09-07 | 2025-09-08 | Available |
| N4IHX | 11 | 49 | 2018-06-08 | 2020-06-09 | Available |
| N4IHY | 11 | 51 | — | — | Available |
| N4IHZ | 11 | 49 | 2015-04-25 | 2017-04-26 | Available |
| N4IIA | 12 | 39 | 2030-09-18 | — | Active (Vanity) |
| N4IIB | 12 | 43 | 2025-02-27 | — | Active (Vanity) |
| N4IIC | 12 | 45 | 2012-07-06 | 2014-07-07 | Available |
| N4IID | 12 | 41 | — | — | Available |
| N4IIE | 12 | 35 | 2033-10-19 | — | Active |
| N4IIF | 12 | 43 | 1998-02-16 | 2000-02-17 | Available |
| N4IIG | 11 | 43 | — | — | Available |
| N4IIH | 12 | 41 | 1998-09-22 | 2000-09-23 | Available |
| N4III | 13 | 37 | 2031-05-29 | — | Active (Vanity) |
| N4IIJ | 13 | 47 | — | — | Available |
| N4IIK | 12 | 43 | 2000-02-08 | 2002-02-09 | Available |
| N4IIL | 12 | 43 | 2025-04-17 | — | Active |
| N4IIM | 11 | 41 | 2003-05-25 | 2005-05-26 | Available |