District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4OHM | 8 | 57 | 2027-11-27 | — | Active (Vanity) |
| W4OHN | 10 | 55 | 1998-04-26 | 2000-04-27 | Available |
| W4OHO | 9 | 61 | — | — | Available |
| W4OHP | 9 | 61 | 2018-08-11 | 2020-08-12 | Available |
| W4OHQ | 9 | 63 | — | — | Available |
| W4OHR | 10 | 57 | — | — | Available |
| W4OHS | 10 | 55 | 2029-07-21 | — | Active |
| W4OHT | 9 | 53 | — | — | Available |
| W4OHU | 10 | 57 | 2007-09-30 | 2009-10-01 | Available |
| W4OHV | 9 | 59 | — | — | Available |
| W4OHW | 9 | 59 | 1997-09-15 | 1999-09-16 | Available |
| W4OHX | 9 | 61 | 2033-06-20 | — | Active (Vanity) |
| W4OHY | 9 | 63 | — | — | Available |
| W4OHZ | 9 | 61 | 1998-09-06 | 2000-09-07 | Available |
| W4OIA | 10 | 51 | 2007-05-19 | 2009-05-20 | Available |
| W4OIB | 10 | 55 | — | — | Available |
| W4OIC | 10 | 57 | 2033-06-22 | — | Active (Vanity) |
| W4OID | 10 | 53 | 2011-12-03 | 2013-12-04 | Available |
| W4OIE | 10 | 47 | — | — | Available |
| W4OIF | 10 | 55 | 2036-04-01 | — | Active (Vanity) |
| W4OIG | 9 | 55 | 1998-07-05 | 2000-07-06 | Available |
| W4OIH | 10 | 53 | — | — | Available |
| W4OII | 11 | 49 | — | — | Available |
| W4OIJ | 11 | 59 | 2032-09-13 | — | Active (Vanity) |
| W4OIK | 10 | 55 | — | — | Available |
| W4OIL | 10 | 55 | 2035-09-29 | — | Active (Vanity) |
| W4OIM | 9 | 53 | — | — | Available |
| W4OIN | 11 | 51 | — | — | Available |
| W4OIO | 10 | 57 | 2026-02-14 | 2028-02-15 | Canceled (grace period) |
| W4OIP | 10 | 57 | 2036-11-26 | — | Active (Vanity) |
| W4OIQ | 10 | 59 | 2022-08-25 | 2024-08-26 | Available |
| W4OIR | 11 | 53 | — | — | Available |
| W4OIS | 11 | 51 | 2018-07-03 | 2020-07-04 | Available |
| W4OIT | 10 | 49 | 2029-02-21 | — | Active |
| W4OIU | 11 | 53 | 2007-01-06 | 2009-01-07 | Available |
| W4OIV | 10 | 55 | — | — | Available |
| W4OIW | 10 | 55 | 1997-10-15 | 1999-10-16 | Available |
| W4OIX | 10 | 57 | 2031-01-10 | — | Active |
| W4OIY | 10 | 59 | 2007-02-25 | 2009-02-26 | Available |
| W4OIZ | 10 | 57 | 2018-04-28 | 2020-04-29 | Available |
| W4OJA | 10 | 61 | — | — | Available |
| W4OJB | 10 | 65 | 2014-05-31 | 2016-06-01 | Available |
| W4OJC | 10 | 67 | 2010-03-20 | 2012-03-21 | Available |
| W4OJD | 10 | 63 | 2033-02-28 | — | Active (Vanity) |
| W4OJE | 10 | 57 | — | — | Available |
| W4OJF | 10 | 65 | 2035-03-18 | — | Active (Vanity) |
| W4OJG | 9 | 65 | 2008-10-05 | 2010-10-06 | Available |
| W4OJH | 10 | 63 | — | — | Available |
| W4OJI | 11 | 59 | 2016-03-26 | 2018-03-27 | Available |
| W4OJJ | 11 | 69 | 2014-07-07 | 2016-07-08 | Available |
| W4OJK | 10 | 65 | 2001-02-20 | 2003-02-21 | Available |
| W4OJL | 10 | 65 | — | — | Available |
| W4OJM | 9 | 63 | — | — | Available |
| W4OJN | 11 | 61 | — | — | Available |
| W4OJO | 10 | 67 | — | — | Available |
| W4OJP | 10 | 67 | — | — | Available |
| W4OJQ | 10 | 69 | — | — | Available |
| W4OJR | 11 | 63 | 2018-08-17 | 2020-08-18 | Available |
| W4OJS | 11 | 61 | 2004-06-25 | 2006-06-26 | Available |
| W4OJT | 10 | 59 | — | — | Available |
| W4OJU | 11 | 63 | 2028-05-16 | — | Active (Vanity) |
| W4OJV | 10 | 65 | 2027-02-25 | — | Active |
| W4OJW | 10 | 65 | — | — | Available |
| W4OJX | 10 | 67 | 2030-01-20 | — | Active (Vanity) |
| W4OJY | 10 | 69 | 2014-04-05 | 2016-04-06 | Available |
| W4OJZ | 10 | 67 | 2016-04-17 | 2018-04-18 | Available |
| W4OKA | 9 | 57 | 2027-04-29 | — | Active |
| W4OKB | 9 | 61 | 2005-11-28 | 2007-11-29 | Available |
| W4OKC | 9 | 63 | 2024-11-18 | — | Active (Vanity) |
| W4OKD | 9 | 59 | — | — | Available |
| W4OKE | 9 | 53 | 2018-12-03 | 2020-12-04 | Available |
| W4OKF | 9 | 61 | 2027-04-15 | — | Active (Vanity) |
| W4OKG | 8 | 61 | — | — | Available |
| W4OKH | 9 | 59 | 2006-11-05 | 2008-11-06 | Available |
| W4OKI | 10 | 55 | 2035-01-21 | — | Active (Vanity) |
| W4OKJ | 10 | 65 | 2025-01-22 | — | Active (Vanity) |
| W4OKK | 9 | 61 | 2016-12-24 | 2018-12-25 | Available |
| W4OKL | 9 | 61 | 2018-08-17 | 2020-08-18 | Available |
| W4OKM | 8 | 59 | 2024-08-09 | 2026-08-10 | Available |
| W4OKN | 10 | 57 | — | — | Available |
| W4OKO | 9 | 63 | 2036-11-14 | — | Active |
| W4OKP | 9 | 63 | 2027-03-07 | — | Active (Vanity) |
| W4OKQ | 9 | 65 | — | — | Available |
| W4OKR | 10 | 59 | — | — | Available |
| W4OKS | 10 | 57 | — | — | Available |
| W4OKT | 9 | 55 | 2033-08-27 | — | Active (Vanity) |
| W4OKU | 10 | 59 | 2003-08-08 | 2005-08-09 | Available |
| W4OKV | 9 | 61 | 2036-02-06 | — | Active (Vanity) |
| W4OKW | 9 | 61 | 2034-01-04 | — | Active |
| W4OKX | 9 | 63 | 2035-06-28 | — | Active (Vanity) |
| W4OKY | 9 | 65 | 2026-03-01 | — | Active (Vanity) |
| W4OKZ | 9 | 63 | — | — | Available |
| W4OLA | 9 | 57 | 2035-11-28 | — | Active |
| W4OLB | 9 | 61 | 2034-07-26 | — | Active |
| W4OLC | 9 | 63 | 2027-02-28 | — | Active (Vanity) |
| W4OLD | 9 | 59 | 2031-04-19 | — | Active (Vanity) |
| W4OLE | 9 | 53 | 2028-10-16 | — | Active (Vanity) |
| W4OLF | 9 | 61 | 2029-03-05 | — | Active (Vanity) |
| W4OLG | 8 | 61 | 2033-07-29 | — | Active (Vanity) |
| W4OLH | 9 | 59 | — | — | Available |