District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4OFG | 8 | 61 | 1998-05-24 | 2000-05-25 | Available |
| K4OFH | 9 | 59 | — | — | Available |
| K4OFI | 10 | 55 | — | — | Available |
| K4OFJ | 10 | 65 | 2003-07-27 | 2005-07-28 | Available |
| K4OFK | 9 | 61 | — | — | Available |
| K4OFL | 9 | 61 | — | — | Available |
| K4OFM | 8 | 59 | — | — | Available |
| K4OFN | 10 | 57 | — | — | Available |
| K4OFO | 9 | 63 | 2028-07-20 | — | Active (Vanity) |
| K4OFP | 9 | 63 | — | — | Available |
| K4OFQ | 9 | 65 | 2034-08-31 | — | Active |
| K4OFR | 10 | 59 | — | — | Available |
| K4OFS | 10 | 57 | 2031-08-15 | — | Active (Vanity) |
| K4OFT | 9 | 55 | — | — | Available |
| K4OFU | 10 | 59 | — | — | Available |
| K4OFV | 9 | 61 | 2031-05-18 | — | Active (Vanity) |
| K4OFW | 9 | 61 | 2032-06-08 | — | Active (Vanity) |
| K4OFX | 9 | 63 | — | — | Available |
| K4OFY | 9 | 65 | — | — | Available |
| K4OFZ | 9 | 63 | — | — | Available |
| K4OGA | 8 | 57 | 2036-06-09 | — | Active (Vanity) |
| K4OGB | 8 | 61 | 2028-06-16 | — | Active |
| K4OGC | 8 | 63 | — | — | Available |
| K4OGD | 8 | 59 | 2027-04-13 | — | Active (Vanity) |
| K4OGE | 8 | 53 | — | — | Available |
| K4OGF | 8 | 61 | — | — | Available |
| K4OGG | 7 | 61 | 2033-04-27 | — | Active |
| K4OGH | 8 | 59 | — | — | Available |
| K4OGI | 9 | 55 | — | — | Available |
| K4OGJ | 9 | 65 | — | — | Available |
| K4OGK | 8 | 61 | — | — | Available |
| K4OGL | 8 | 61 | — | — | Available |
| K4OGM | 7 | 59 | 2027-10-17 | — | Active (Vanity) |
| K4OGN | 9 | 57 | — | — | Available |
| K4OGO | 8 | 63 | 2031-07-12 | — | Active (Vanity) |
| K4OGP | 8 | 63 | 2031-11-11 | — | Active (Vanity) |
| K4OGQ | 8 | 65 | — | — | Available |
| K4OGR | 9 | 59 | 2029-02-03 | — | Active |
| K4OGS | 9 | 57 | — | — | Available |
| K4OGT | 8 | 55 | 2027-11-21 | — | Active |
| K4OGU | 9 | 59 | — | — | Available |
| K4OGV | 8 | 61 | 2028-10-16 | — | Active |
| K4OGW | 8 | 61 | — | — | Available |
| K4OGX | 8 | 63 | — | — | Available |
| K4OGY | 8 | 65 | — | — | Available |
| K4OGZ | 8 | 63 | — | — | Available |
| K4OHA | 9 | 55 | 2013-06-29 | 2015-06-30 | Available |
| K4OHB | 9 | 59 | 2027-01-15 | — | Active |
| K4OHC | 9 | 61 | — | — | Available |
| K4OHD | 9 | 57 | — | — | Available |
| K4OHE | 9 | 51 | 2016-11-05 | 2018-11-06 | Available |
| K4OHF | 9 | 59 | 2030-10-23 | — | Active (Vanity) |
| K4OHG | 8 | 59 | — | — | Available |
| K4OHH | 9 | 57 | — | — | Available |
| K4OHI | 10 | 53 | 2005-02-16 | 2007-02-17 | Available |
| K4OHJ | 10 | 63 | — | — | Available |
| K4OHK | 9 | 59 | — | — | Available |
| K4OHL | 9 | 59 | 2004-05-24 | 2006-05-25 | Available |
| K4OHM | 8 | 57 | 2028-02-08 | — | Active (Vanity) |
| K4OHN | 10 | 55 | — | — | Available |
| K4OHO | 9 | 61 | 2033-12-02 | — | Active (Vanity) |
| K4OHP | 9 | 61 | — | — | Available |
| K4OHQ | 9 | 63 | 2016-03-11 | 2018-03-12 | Available |
| K4OHR | 10 | 57 | — | — | Available |
| K4OHS | 10 | 55 | — | — | Available |
| K4OHT | 9 | 53 | — | — | Available |
| K4OHU | 10 | 57 | — | — | Available |
| K4OHV | 9 | 59 | — | — | Available |
| K4OHW | 9 | 59 | 2034-06-11 | — | Active (Vanity) |
| K4OHX | 9 | 61 | 2029-03-25 | — | Active (Vanity) |
| K4OHY | 9 | 63 | — | — | Available |
| K4OHZ | 9 | 61 | — | — | Available |
| K4OIA | 10 | 51 | 2029-04-08 | — | Active |
| K4OIB | 10 | 55 | 2031-11-18 | — | Active (Vanity) |
| K4OIC | 10 | 57 | — | — | Pending Application |
| K4OID | 10 | 53 | — | — | Available |
| K4OIE | 10 | 47 | — | — | Available |
| K4OIF | 10 | 55 | 2028-10-23 | — | Active |
| K4OIG | 9 | 55 | 2027-08-09 | — | Active |
| K4OIH | 10 | 53 | — | — | Available |
| K4OII | 11 | 49 | 2007-03-25 | 2009-03-26 | Available |
| K4OIJ | 11 | 59 | 2034-02-10 | — | Active |
| K4OIK | 10 | 55 | — | — | Available |
| K4OIL | 10 | 55 | 2036-09-29 | — | Active (Vanity) |
| K4OIM | 9 | 53 | 2027-08-08 | — | Active (Vanity) |
| K4OIN | 11 | 51 | — | — | Available |
| K4OIO | 10 | 57 | — | — | Available |
| K4OIP | 10 | 57 | 2027-01-27 | — | Active |
| K4OIQ | 10 | 59 | — | — | Available |
| K4OIR | 11 | 53 | — | — | Available |
| K4OIS | 11 | 51 | — | — | Available |
| K4OIT | 10 | 49 | — | — | Available |
| K4OIU | 11 | 53 | — | — | Available |
| K4OIV | 10 | 55 | — | — | Available |
| K4OIW | 10 | 55 | 2028-03-02 | — | Active (Vanity) |
| K4OIX | 10 | 57 | — | — | Available |
| K4OIY | 10 | 59 | — | — | Available |
| K4OIZ | 10 | 57 | — | — | Available |
| K4OJA | 10 | 61 | — | — | Available |
| K4OJB | 10 | 65 | 2035-04-26 | — | Active |