District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KV4SE | 10 | 47 | 2033-09-12 | — | Active |
| KV4SF | 10 | 55 | 2028-10-09 | — | Active |
| KV4SG | 9 | 55 | 2001-05-25 | 2003-05-26 | Available |
| KV4SH | 10 | 53 | 2033-11-05 | — | Active |
| KV4SI | 11 | 49 | 2033-11-08 | — | Active |
| KV4SJ | 11 | 59 | 2033-11-12 | — | Active |
| KV4SK | 10 | 55 | 2033-11-28 | — | Active |
| KV4SL | 10 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KV4SM | 9 | 53 | 2033-07-23 | — | Active (Vanity) |
| KV4SN | 11 | 51 | 2013-12-17 | 2015-12-18 | Available |
| KV4SO | 10 | 57 | 2014-07-15 | 2016-07-16 | Available |
| KV4SP | 10 | 57 | 2033-11-15 | — | Active |
| KV4SQ | 10 | 59 | 2034-01-03 | — | Active |
| KV4SR | 11 | 53 | 2013-12-17 | 2015-12-18 | Available |
| KV4SS | 11 | 51 | 2030-06-25 | — | Active |
| KV4ST | 10 | 49 | 2036-05-21 | — | Active (Vanity) |
| KV4SU | 11 | 53 | 2033-09-18 | — | Active |
| KV4SV | 10 | 55 | 2033-06-24 | — | Active |
| KV4SW | 10 | 55 | 2033-11-22 | — | Active |
| KV4SX | 10 | 57 | 2034-01-04 | — | Active |
| KV4SY | 10 | 59 | 2023-08-29 | 2025-08-30 | Available |
| KV4SZ | 10 | 57 | 2033-11-26 | — | Active |
| KV4TA | 9 | 49 | 2014-03-11 | 2016-03-12 | Available |
| KV4TB | 9 | 53 | 2033-04-11 | — | Active |
| KV4TC | 9 | 55 | 2034-10-25 | — | Active |
| KV4TD | 9 | 51 | 2027-12-19 | — | Active |
| KV4TE | 9 | 45 | 2033-04-30 | — | Active |
| KV4TF | 9 | 53 | 2033-11-14 | — | Active |
| KV4TG | 8 | 53 | 2033-12-09 | — | Active |
| KV4TH | 9 | 51 | 2018-03-27 | 2020-03-28 | Available |
| KV4TI | 10 | 47 | 2024-03-05 | 2026-03-06 | Available |
| KV4TJ | 10 | 57 | 2014-08-12 | 2016-08-13 | Available |
| KV4TK | 9 | 53 | 2021-03-26 | 2023-03-27 | Available |
| KV4TL | 9 | 53 | 2033-12-18 | — | Active |
| KV4TM | 8 | 51 | 2034-01-09 | — | Active |
| KV4TN | 10 | 49 | 2034-09-04 | — | Active |
| KV4TO | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KV4TP | 9 | 55 | 2014-01-25 | 2016-01-26 | Available |
| KV4TQ | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KV4TR | 10 | 51 | 2014-06-21 | 2016-06-22 | Available |
| KV4TS | 10 | 49 | 2033-12-24 | — | Active |
| KV4TT | 9 | 47 | 2027-05-30 | — | Active |
| KV4TU | 10 | 51 | 2033-12-24 | — | Active |
| KV4TV | 9 | 53 | 2034-10-01 | — | Active |
| KV4TW | 9 | 53 | 2033-11-04 | — | Active |
| KV4TX | 9 | 55 | 2036-05-04 | — | Active |
| KV4TY | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| KV4TZ | 9 | 55 | 2032-01-11 | — | Active |
| KV4UA | 10 | 53 | 2034-01-10 | — | Active |
| KV4UB | 10 | 57 | 2031-03-12 | — | Active |
| KV4UC | 10 | 59 | 2034-01-13 | — | Active |
| KV4UD | 10 | 55 | 2033-03-11 | — | Active |
| KV4UE | 10 | 49 | 2033-12-11 | — | Active |
| KV4UF | 10 | 57 | 2034-03-27 | — | Active |
| KV4UG | 9 | 57 | 2034-01-13 | — | Active |
| KV4UH | 10 | 55 | 2014-02-21 | 2016-02-22 | Available |
| KV4UI | 11 | 51 | 2034-01-14 | — | Active |
| KV4UJ | 11 | 61 | 2014-02-11 | 2016-02-12 | Available |
| KV4UK | 10 | 57 | 2033-02-25 | — | Active |
| KV4UL | 10 | 57 | 2023-05-21 | 2025-05-22 | Available |
| KV4UM | 9 | 55 | 2014-03-04 | 2016-03-05 | Available |
| KV4UN | 11 | 53 | 2033-01-18 | — | Active |
| KV4UO | 10 | 59 | 2028-10-27 | — | Active |
| KV4UP | 10 | 59 | 2017-09-06 | 2019-09-07 | Available |
| KV4UQ | 10 | 61 | 2014-02-28 | 2016-02-29 | Available |
| KV4UR | 11 | 55 | 2034-09-13 | — | Active |
| KV4US | 11 | 53 | 2036-02-04 | — | Active |
| KV4UT | 10 | 51 | 2024-03-05 | 2026-03-06 | Available |
| KV4UU | 11 | 55 | 2032-12-03 | — | Active |
| KV4UV | 10 | 57 | 2034-02-10 | — | Active |
| KV4UW | 10 | 57 | 2035-01-09 | — | Active |
| KV4UX | 10 | 59 | 2032-03-13 | — | Active |
| KV4UY | 10 | 61 | 2033-08-30 | — | Active |
| KV4UZ | 10 | 59 | 2032-02-03 | — | Active |
| KV4VA | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KV4VB | 9 | 59 | 2034-02-11 | — | Active |
| KV4VC | 9 | 61 | 2014-03-28 | 2016-03-29 | Available |
| KV4VD | 9 | 57 | 2014-03-04 | 2016-03-05 | Available |
| KV4VE | 9 | 51 | 2033-11-12 | — | Active |
| KV4VF | 9 | 59 | 2015-12-19 | 2017-12-20 | Available |
| KV4VG | 8 | 59 | 2034-10-08 | — | Active |
| KV4VH | 9 | 57 | 2034-01-30 | — | Active |
| KV4VI | 10 | 53 | 2034-03-08 | — | Active |
| KV4VJ | 10 | 63 | 2033-08-24 | — | Active |
| KV4VK | 9 | 59 | 2015-09-29 | 2017-09-30 | Available |
| KV4VL | 9 | 59 | 2034-02-21 | — | Active |
| KV4VM | 8 | 57 | 2031-03-12 | — | Active |
| KV4VN | 10 | 55 | 2034-02-24 | — | Active |
| KV4VO | 9 | 61 | 2034-02-25 | — | Active |
| KV4VP | 9 | 61 | 2034-02-25 | — | Active |
| KV4VQ | 9 | 63 | 2034-02-25 | — | Active |
| KV4VR | 10 | 57 | 2033-04-24 | — | Active |
| KV4VS | 10 | 55 | 2014-03-18 | 2016-03-19 | Available |
| KV4VT | 9 | 53 | 2025-03-10 | 2027-03-11 | Canceled (grace period) |
| KV4VU | 10 | 57 | 2034-02-28 | — | Active |
| KV4VV | 9 | 59 | 2032-06-08 | — | Active |
| KV4VW | 9 | 59 | 2014-08-07 | 2016-08-08 | Available |
| KV4VX | 9 | 61 | 2034-03-06 | — | Active |
| KV4VY | 9 | 63 | 2014-03-11 | 2016-03-12 | Available |
| KV4VZ | 9 | 61 | 2034-11-07 | — | Active |