District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KK4CE | 9 | 53 | 2032-01-14 | — | Active |
| KK4CF | 9 | 61 | 2031-12-24 | — | Active |
| KK4CG | 8 | 61 | 2026-07-30 | — | Active |
| KK4CH | 9 | 59 | — | — | Available |
| KK4CI | 10 | 55 | — | — | Available |
| KK4CJ | 10 | 65 | 2030-02-15 | — | Active (Vanity) |
| KK4CK | 9 | 61 | 2032-01-05 | — | Active (Vanity) |
| KK4CL | 9 | 61 | — | — | Available |
| KK4CM | 8 | 59 | 2006-08-01 | 2008-08-02 | Available |
| KK4CN | 10 | 57 | — | — | Available |
| KK4CO | 9 | 63 | 2028-11-09 | — | Active (Vanity) |
| KK4CP | 9 | 63 | 2033-10-05 | — | Active |
| KK4CQ | 9 | 65 | 2027-08-28 | — | Active |
| KK4CR | 10 | 59 | 2034-06-17 | — | Active (Vanity) |
| KK4CS | 10 | 57 | 2028-09-11 | — | Active (Vanity) |
| KK4CT | 9 | 55 | 2035-03-21 | — | Active (Vanity) |
| KK4CU | 10 | 59 | 2016-08-05 | 2018-08-06 | Available |
| KK4CV | 9 | 61 | 2035-08-25 | — | Active (Vanity) |
| KK4CW | 9 | 61 | 2031-04-30 | — | Active (Vanity) |
| KK4CX | 9 | 63 | 2006-04-02 | 2008-04-03 | Available |
| KK4CY | 9 | 65 | — | — | Available |
| KK4CZ | 9 | 63 | 2036-06-13 | — | Active |
| KK4DA | 9 | 53 | 2035-12-13 | — | Active |
| KK4DB | 9 | 57 | 2026-09-30 | — | Active (Vanity) |
| KK4DC | 9 | 59 | 2024-09-07 | 2026-09-08 | Available |
| KK4DD | 9 | 55 | 2026-08-09 | — | Active |
| KK4DE | 9 | 49 | 2010-02-13 | 2012-02-14 | Available |
| KK4DF | 9 | 57 | 2030-12-04 | — | Active |
| KK4DG | 8 | 57 | 2017-02-06 | 2019-02-07 | Available |
| KK4DH | 9 | 55 | 2033-06-09 | — | Active (Vanity) |
| KK4DI | 10 | 51 | 2006-10-10 | 2008-10-11 | Available |
| KK4DJ | 10 | 61 | 2027-01-28 | — | Active |
| KK4DK | 9 | 57 | 2016-08-08 | 2018-08-09 | Available |
| KK4DL | 9 | 57 | — | — | Available |
| KK4DM | 8 | 55 | 2036-03-20 | — | Active (Vanity) |
| KK4DN | 10 | 53 | 2036-08-05 | — | Active |
| KK4DO | 9 | 59 | 2000-10-24 | 2002-10-25 | Available |
| KK4DP | 9 | 59 | 2016-12-18 | 2018-12-19 | Available |
| KK4DQ | 9 | 61 | — | — | Available |
| KK4DR | 10 | 55 | 2023-09-09 | 2025-09-10 | Available |
| KK4DS | 10 | 53 | 2028-04-03 | — | Active |
| KK4DT | 9 | 51 | 2027-07-09 | — | Active |
| KK4DU | 10 | 55 | 2008-07-20 | 2010-07-21 | Available |
| KK4DV | 9 | 57 | 2006-09-13 | 2008-09-14 | Available |
| KK4DW | 9 | 57 | 2026-06-17 | — | Active |
| KK4DX | 9 | 59 | 2033-11-30 | — | Active |
| KK4DY | 9 | 61 | — | — | Available |
| KK4DZ | 9 | 59 | — | — | Available |
| KK4EA | 9 | 47 | 2026-11-14 | — | Active |
| KK4EB | 9 | 51 | 2028-07-09 | — | Active |
| KK4EC | 9 | 53 | 2036-09-22 | — | Active |
| KK4ED | 9 | 49 | 2030-07-08 | — | Active (Vanity) |
| KK4EE | 9 | 43 | 2033-06-03 | — | Active (Vanity) |
| KK4EF | 9 | 51 | 2028-01-21 | — | Active |
| KK4EG | 8 | 51 | 2029-07-30 | — | Active |
| KK4EH | 9 | 49 | 2027-02-20 | — | Active |
| KK4EI | 10 | 45 | — | — | Available |
| KK4EJ | 10 | 55 | 2033-03-14 | — | Active (Vanity) |
| KK4EK | 9 | 51 | 2006-09-18 | 2008-09-19 | Available |
| KK4EL | 9 | 51 | 2036-09-26 | — | Active (Vanity) |
| KK4EM | 8 | 49 | 2033-09-09 | — | Active (Vanity) |
| KK4EN | 10 | 47 | 2026-11-05 | — | Active |
| KK4EO | 9 | 53 | 2028-12-17 | — | Active |
| KK4EP | 9 | 53 | — | — | Available |
| KK4EQ | 9 | 55 | — | — | Available |
| KK4ER | 10 | 49 | 2036-10-02 | — | Active |
| KK4ES | 10 | 47 | 2026-10-17 | — | Active |
| KK4ET | 9 | 45 | 2031-01-15 | — | Active |
| KK4EU | 10 | 49 | — | — | Available |
| KK4EV | 9 | 51 | — | — | Available |
| KK4EW | 9 | 51 | 2035-01-25 | — | Active (Vanity) |
| KK4EX | 9 | 53 | 2026-10-08 | — | Active |
| KK4EY | 9 | 55 | 2003-01-26 | 2005-01-27 | Available |
| KK4EZ | 9 | 53 | 2036-11-06 | — | Active |
| KK4FA | 9 | 55 | — | — | Available |
| KK4FB | 9 | 59 | 1998-03-03 | 2000-03-04 | Available |
| KK4FC | 9 | 61 | 2030-10-28 | — | Active |
| KK4FD | 9 | 57 | — | — | Available |
| KK4FE | 9 | 51 | 2017-02-13 | 2019-02-14 | Available |
| KK4FF | 9 | 59 | 2033-11-28 | — | Active (Vanity) |
| KK4FG | 8 | 59 | 2016-10-17 | 2018-10-18 | Available |
| KK4FH | 9 | 57 | 2020-05-01 | 2022-05-02 | Available |
| KK4FI | 10 | 53 | 2036-10-10 | — | Active |
| KK4FJ | 10 | 63 | — | — | Available |
| KK4FK | 9 | 59 | 2027-12-08 | — | Active |
| KK4FL | 9 | 59 | 2032-06-10 | — | Active (Vanity) |
| KK4FM | 8 | 57 | 2027-01-27 | — | Active |
| KK4FN | 10 | 55 | — | — | Available |
| KK4FO | 9 | 61 | — | — | Available |
| KK4FP | 9 | 61 | — | — | Available |
| KK4FQ | 9 | 63 | 2006-11-04 | 2008-11-05 | Available |
| KK4FR | 10 | 57 | — | — | Available |
| KK4FS | 10 | 55 | 2002-05-12 | 2004-05-13 | Available |
| KK4FT | 9 | 53 | 2025-01-06 | — | Active (Vanity) |
| KK4FU | 10 | 57 | 2034-01-18 | — | Active |
| KK4FV | 9 | 59 | — | — | Available |
| KK4FW | 9 | 59 | 2026-09-24 | — | Active |
| KK4FX | 9 | 61 | 2036-05-05 | — | Active (Vanity) |
| KK4FY | 9 | 63 | 2012-11-09 | 2014-11-10 | Available |
| KK4FZ | 9 | 61 | 2016-11-04 | 2018-11-05 | Available |