District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KE4BK | 9 | 51 | — | — | Available |
| KE4BL | 9 | 51 | 2000-09-25 | 2002-09-26 | Available |
| KE4BM | 8 | 49 | — | — | Available |
| KE4BN | 10 | 47 | 2002-09-29 | 2004-09-30 | Available |
| KE4BO | 9 | 53 | 1998-02-09 | 2000-02-10 | Available |
| KE4BP | 9 | 53 | 2016-05-07 | 2018-05-08 | Available |
| KE4BQ | 9 | 55 | — | — | Available |
| KE4BR | 10 | 49 | 1998-04-12 | 2000-04-13 | Available |
| KE4BS | 10 | 47 | — | — | Available |
| KE4BT | 9 | 45 | 2015-12-11 | 2017-12-12 | Available |
| KE4BU | 10 | 49 | 2027-12-16 | — | Active |
| KE4BV | 9 | 51 | 2024-04-05 | 2026-04-06 | Available |
| KE4BW | 9 | 51 | — | — | Available |
| KE4BX | 9 | 53 | 2007-06-17 | 2009-06-18 | Available |
| KE4BY | 9 | 55 | — | — | Available |
| KE4BZ | 9 | 53 | — | — | Available |
| KE4CA | 9 | 49 | 2033-09-10 | — | Active (Vanity) |
| KE4CB | 9 | 53 | 2027-03-02 | — | Active (Vanity) |
| KE4CC | 9 | 55 | — | — | Available |
| KE4CD | 9 | 51 | 2020-07-29 | 2022-07-30 | Available |
| KE4CE | 9 | 45 | 2018-11-27 | 2020-11-28 | Available |
| KE4CF | 9 | 53 | 2026-05-15 | — | Active |
| KE4CG | 8 | 53 | 2006-07-24 | 2008-07-25 | Available |
| KE4CH | 9 | 51 | 2006-01-06 | 2008-01-07 | Available |
| KE4CI | 10 | 47 | 2015-11-28 | 2017-11-29 | Available |
| KE4CJ | 10 | 57 | 2023-05-18 | 2025-05-19 | Available |
| KE4CK | 9 | 53 | — | — | Available |
| KE4CL | 9 | 53 | — | — | Available |
| KE4CM | 8 | 51 | 2027-06-30 | — | Active |
| KE4CN | 10 | 49 | — | — | Available |
| KE4CO | 9 | 55 | 2016-07-24 | 2018-07-25 | Available |
| KE4CP | 9 | 55 | 2010-11-13 | 2012-11-14 | Available |
| KE4CQ | 9 | 57 | 2031-03-01 | — | Active (Vanity) |
| KE4CR | 10 | 51 | 2034-06-04 | — | Active (Vanity) |
| KE4CS | 10 | 49 | 2036-01-16 | — | Active (Vanity) |
| KE4CT | 9 | 47 | — | — | Available |
| KE4CU | 10 | 51 | 2006-06-19 | 2008-06-20 | Available |
| KE4CV | 9 | 53 | — | — | Available |
| KE4CW | 9 | 53 | 2032-03-15 | — | Active (Vanity) |
| KE4CX | 9 | 55 | 2017-04-09 | 2019-04-10 | Available |
| KE4CY | 9 | 57 | — | — | Available |
| KE4CZ | 9 | 55 | — | — | Available |
| KE4DA | 9 | 45 | 2034-04-12 | — | Active |
| KE4DB | 9 | 49 | — | — | Available |
| KE4DC | 9 | 51 | 2007-04-17 | 2009-04-18 | Available |
| KE4DD | 9 | 47 | 2007-10-14 | 2009-10-15 | Available |
| KE4DE | 9 | 41 | 1999-08-22 | 2001-08-23 | Available |
| KE4DF | 9 | 49 | — | — | Available |
| KE4DG | 8 | 49 | 2013-01-12 | 2015-01-13 | Available |
| KE4DH | 9 | 47 | 2023-08-24 | 2025-08-25 | Available |
| KE4DI | 10 | 43 | 2027-02-25 | — | Active |
| KE4DJ | 10 | 53 | 2019-04-26 | 2021-04-27 | Available |
| KE4DK | 9 | 49 | 2032-06-22 | — | Active |
| KE4DL | 9 | 49 | — | — | Available |
| KE4DM | 8 | 47 | 2025-03-02 | — | Active |
| KE4DN | 10 | 45 | — | — | Available |
| KE4DO | 9 | 51 | 2001-09-10 | 2003-09-11 | Available |
| KE4DP | 9 | 51 | 2025-01-20 | — | Active |
| KE4DQ | 9 | 53 | 2036-02-16 | — | Active |
| KE4DR | 10 | 47 | 2009-05-27 | 2011-05-28 | Available |
| KE4DS | 10 | 45 | 2036-05-02 | — | Active (Vanity) |
| KE4DT | 9 | 43 | — | — | Available |
| KE4DU | 10 | 47 | — | — | Available |
| KE4DV | 9 | 49 | 2036-08-23 | — | Active |
| KE4DW | 9 | 49 | — | — | Available |
| KE4DX | 9 | 51 | 2032-02-11 | — | Active |
| KE4DY | 9 | 53 | 2032-08-09 | — | Active (Vanity) |
| KE4DZ | 9 | 51 | — | — | Available |
| KE4EA | 9 | 39 | 2027-06-13 | — | Active (Vanity) |
| KE4EB | 9 | 43 | 2034-04-12 | — | Active |
| KE4EC | 9 | 45 | 2026-09-13 | — | Active |
| KE4ED | 9 | 41 | — | — | Available |
| KE4EE | 9 | 35 | 2030-06-04 | — | Active (Vanity) |
| KE4EF | 9 | 43 | — | — | Available |
| KE4EG | 8 | 43 | 2028-05-26 | — | Active |
| KE4EH | 9 | 41 | 2016-05-29 | 2018-05-30 | Available |
| KE4EI | 10 | 37 | 2024-08-23 | 2026-08-24 | Available |
| KE4EJ | 10 | 47 | 2034-03-29 | — | Active |
| KE4EK | 9 | 43 | 2028-09-15 | — | Active (Vanity) |
| KE4EL | 9 | 43 | 2016-09-13 | 2018-09-14 | Available |
| KE4EM | 8 | 41 | 2033-06-21 | — | Active (Vanity) |
| KE4EN | 10 | 39 | 2034-12-22 | — | Active |
| KE4EO | 9 | 45 | — | — | Available |
| KE4EP | 9 | 45 | — | — | Available |
| KE4EQ | 9 | 47 | 2011-06-21 | 2013-06-22 | Available |
| KE4ER | 10 | 41 | 2021-09-30 | 2023-10-01 | Available |
| KE4ES | 10 | 39 | — | — | Available |
| KE4ET | 9 | 37 | 2036-05-30 | — | Active (Vanity) |
| KE4EU | 10 | 41 | — | — | Available |
| KE4EV | 9 | 43 | 2007-06-05 | 2009-06-06 | Available |
| KE4EW | 9 | 43 | 2027-07-28 | — | Active |
| KE4EX | 9 | 45 | 2035-02-05 | — | Active (Vanity) |
| KE4EY | 9 | 47 | — | — | Available |
| KE4EZ | 9 | 45 | 2035-09-29 | — | Active (Vanity) |
| KE4FA | 9 | 47 | 2016-11-07 | 2018-11-08 | Available |
| KE4FB | 9 | 51 | 2006-09-24 | 2008-09-25 | Available |
| KE4FC | 9 | 53 | 2017-12-01 | 2019-12-02 | Available |
| KE4FD | 9 | 49 | 2033-05-17 | — | Active (Vanity) |
| KE4FE | 9 | 43 | 2017-05-30 | 2019-05-31 | Available |
| KE4FF | 9 | 51 | 2026-02-05 | — | Active |