District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4SGJ | 11 | 55 | 2036-02-27 | — | Active (Vanity) |
| N4SGK | 10 | 51 | 2028-08-13 | — | Active |
| N4SGL | 10 | 51 | 2027-06-08 | — | Active (Vanity) |
| N4SGM | 9 | 49 | 2033-07-11 | — | Active (Vanity) |
| N4SGN | 11 | 47 | 2030-01-25 | — | Active |
| N4SGO | 10 | 53 | 2007-02-26 | 2009-02-27 | Available |
| N4SGP | 10 | 53 | 2022-10-20 | 2024-10-21 | Available |
| N4SGQ | 10 | 55 | 2006-12-19 | 2008-12-20 | Available |
| N4SGR | 11 | 49 | 1999-11-14 | 2001-11-15 | Available |
| N4SGS | 11 | 47 | 2027-12-02 | — | Active |
| N4SGT | 10 | 45 | 2030-11-06 | — | Active (Vanity) |
| N4SGU | 11 | 49 | 2028-02-06 | — | Active |
| N4SGV | 10 | 51 | 1998-03-08 | 2000-03-09 | Available |
| N4SGW | 10 | 51 | 2028-03-13 | — | Active (Vanity) |
| N4SGX | 10 | 53 | 1998-03-08 | 2000-03-09 | Available |
| N4SGY | 10 | 55 | 2010-02-26 | 2012-02-27 | Available |
| N4SGZ | 10 | 53 | 2000-11-06 | 2002-11-07 | Available |
| N4SHA | 11 | 45 | 2017-10-03 | 2019-10-04 | Available |
| N4SHB | 11 | 49 | 2031-10-22 | — | Active |
| N4SHC | 11 | 51 | — | — | Available |
| N4SHD | 11 | 47 | 2029-05-08 | — | Active (Vanity) |
| N4SHE | 11 | 41 | 2018-06-11 | 2020-06-12 | Available |
| N4SHF | 11 | 49 | — | — | Available |
| N4SHG | 10 | 49 | — | — | Available |
| N4SHH | 11 | 47 | 1998-03-15 | 2000-03-16 | Available |
| N4SHI | 12 | 43 | 2029-01-14 | — | Active |
| N4SHJ | 12 | 53 | 2036-11-03 | — | Active (Vanity) |
| N4SHK | 11 | 49 | 2030-03-12 | — | Active (Vanity) |
| N4SHL | 11 | 49 | 2025-09-19 | — | Active (Vanity) |
| N4SHM | 10 | 47 | 2006-09-02 | 2008-09-03 | Available |
| N4SHN | 12 | 45 | 1998-03-15 | 2000-03-16 | Available |
| N4SHO | 11 | 51 | 2030-02-28 | — | Active |
| N4SHP | 11 | 51 | 2030-04-04 | — | Active (Vanity) |
| N4SHQ | 11 | 53 | — | — | Available |
| N4SHR | 12 | 47 | 2028-04-14 | — | Active |
| N4SHS | 12 | 45 | 1998-03-15 | 2000-03-16 | Available |
| N4SHT | 11 | 43 | 2035-02-08 | — | Active (Vanity) |
| N4SHU | 12 | 47 | 2030-11-10 | — | Active |
| N4SHV | 11 | 49 | 1998-03-15 | 2000-03-16 | Available |
| N4SHW | 11 | 49 | 2031-09-04 | — | Active (Vanity) |
| N4SHX | 11 | 51 | — | — | Pending Application |
| N4SHY | 11 | 53 | 2027-12-18 | — | Active |
| N4SHZ | 11 | 51 | 1998-03-15 | 2000-03-16 | Available |
| N4SIA | 12 | 41 | 2028-09-15 | — | Active |
| N4SIB | 12 | 45 | 2030-03-07 | — | Active (Vanity) |
| N4SIC | 12 | 47 | 2032-09-02 | — | Active (Vanity) |
| N4SID | 12 | 43 | 2030-04-24 | — | Active (Vanity) |
| N4SIE | 12 | 37 | 2028-05-14 | — | Active |
| N4SIF | 12 | 45 | 2027-12-04 | — | Active |
| N4SIG | 11 | 45 | 2029-04-14 | — | Active (Vanity) |
| N4SIH | 12 | 43 | 2007-11-25 | 2009-11-26 | Available |
| N4SII | 13 | 39 | — | — | Available |
| N4SIJ | 13 | 49 | 2032-09-18 | — | Active |
| N4SIK | 12 | 45 | — | — | Available |
| N4SIL | 12 | 45 | 2003-12-09 | 2005-12-10 | Available |
| N4SIM | 11 | 43 | 2034-02-27 | — | Active (Vanity) |
| N4SIN | 13 | 41 | 2028-02-09 | — | Active |
| N4SIO | 12 | 47 | 2001-03-19 | 2003-03-20 | Available |
| N4SIP | 12 | 47 | 2028-02-03 | — | Active |
| N4SIQ | 12 | 49 | 2030-02-28 | — | Active |
| N4SIR | 13 | 43 | 2027-03-20 | — | Active (Vanity) |
| N4SIS | 13 | 41 | 2035-07-02 | — | Active (Vanity) |
| N4SIT | 12 | 39 | 2018-02-03 | 2020-02-04 | Available |
| N4SIU | 13 | 43 | 2031-02-23 | — | Active |
| N4SIV | 12 | 45 | 2009-03-02 | 2011-03-03 | Available |
| N4SIW | 12 | 45 | 2028-10-06 | — | Active (Vanity) |
| N4SIX | 12 | 47 | 2030-12-16 | — | Active (Vanity) |
| N4SIY | 12 | 49 | 2003-05-04 | 2005-05-05 | Available |
| N4SIZ | 12 | 47 | 2028-07-04 | — | Active |
| N4SJA | 12 | 51 | 2035-09-12 | — | Active (Vanity) |
| N4SJB | 12 | 55 | 2027-11-14 | — | Active |
| N4SJC | 12 | 57 | 2032-08-06 | — | Active (Vanity) |
| N4SJD | 12 | 53 | 2027-11-28 | — | Active |
| N4SJE | 12 | 47 | 2028-08-03 | — | Active |
| N4SJF | 12 | 55 | 2035-03-11 | — | Active (Vanity) |
| N4SJG | 11 | 55 | 2014-06-24 | 2016-06-25 | Available |
| N4SJH | 12 | 53 | 2028-04-08 | — | Active |
| N4SJI | 13 | 49 | — | — | Available |
| N4SJJ | 13 | 59 | 2032-07-26 | — | Active (Vanity) |
| N4SJK | 12 | 55 | 2028-03-16 | — | Active (Vanity) |
| N4SJL | 12 | 55 | 2031-07-17 | — | Active (Vanity) |
| N4SJM | 11 | 53 | 2026-09-02 | — | Active (Vanity) |
| N4SJN | 13 | 51 | 2018-01-23 | 2020-01-24 | Available |
| N4SJO | 12 | 57 | — | — | Available |
| N4SJP | 12 | 57 | 2007-12-23 | 2009-12-24 | Available |
| N4SJQ | 12 | 59 | — | — | Available |
| N4SJR | 13 | 53 | 2034-08-17 | — | Active (Vanity) |
| N4SJS | 13 | 51 | 2028-07-02 | — | Active |
| N4SJT | 12 | 49 | 2031-09-08 | — | Active (Vanity) |
| N4SJU | 13 | 53 | 2017-12-18 | 2019-12-19 | Available |
| N4SJV | 12 | 55 | 2007-11-20 | 2009-11-21 | Available |
| N4SJW | 12 | 55 | 2035-04-25 | — | Active |
| N4SJX | 12 | 57 | 2029-03-17 | — | Active |
| N4SJY | 12 | 59 | 2027-11-24 | — | Active |
| N4SJZ | 12 | 57 | 2030-10-09 | — | Active |
| N4SKA | 11 | 47 | 2029-12-17 | — | Active (Vanity) |
| N4SKB | 11 | 51 | 2001-02-21 | 2003-02-22 | Available |
| N4SKC | 11 | 53 | 2031-08-30 | — | Active (Vanity) |
| N4SKD | 11 | 49 | 2030-10-14 | — | Active |
| N4SKE | 11 | 43 | — | — | Available |