District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KQ4ZC | 9 | 67 | 2013-12-17 | 2015-12-18 | Available |
| KQ4ZD | 9 | 63 | 2033-08-12 | — | Active |
| KQ4ZE | 9 | 57 | — | — | Available |
| KQ4ZF | 9 | 65 | 2013-07-27 | 2015-07-28 | Available |
| KQ4ZG | 8 | 65 | — | — | Available |
| KQ4ZH | 9 | 63 | 2033-08-03 | — | Active |
| KQ4ZI | 10 | 59 | 2023-08-03 | 2025-08-04 | Available |
| KQ4ZJ | 10 | 69 | 2033-08-03 | — | Active |
| KQ4ZK | 9 | 65 | — | — | Available |
| KQ4ZL | 9 | 65 | 2003-08-03 | 2005-08-04 | Available |
| KQ4ZM | 8 | 63 | 2026-07-14 | — | Active (Vanity) |
| KQ4ZN | 10 | 61 | 2017-06-06 | 2019-06-07 | Available |
| KQ4ZO | 9 | 67 | 2033-11-29 | — | Active |
| KQ4ZP | 9 | 67 | 2013-07-16 | 2015-07-17 | Available |
| KQ4ZQ | 9 | 69 | — | — | Available |
| KQ4ZR | 10 | 63 | — | — | Available |
| KQ4ZS | 10 | 61 | — | — | Available |
| KQ4ZT | 9 | 59 | 2003-10-26 | 2005-10-27 | Available |
| KQ4ZU | 10 | 63 | — | — | Available |
| KQ4ZV | 9 | 65 | — | — | Available |
| KQ4ZW | 9 | 65 | 2023-08-17 | 2025-08-18 | Available |
| KQ4ZX | 9 | 67 | — | — | Available |
| KQ4ZY | 9 | 69 | — | — | Available |
| KQ4ZZ | 9 | 67 | 2033-08-17 | — | Active |
| KR4AA | 10 | 49 | 2034-01-03 | — | Active |
| KR4AB | 10 | 53 | 2034-12-13 | — | Active (Vanity) |
| KR4AC | 10 | 55 | — | — | Available |
| KR4AD | 10 | 51 | 2033-08-17 | — | Active |
| KR4AE | 10 | 45 | 2033-08-23 | — | Active |
| KR4AF | 10 | 53 | 2023-09-28 | 2025-09-29 | Available |
| KR4AG | 9 | 53 | 2033-03-16 | — | Active (Vanity) |
| KR4AH | 10 | 51 | 2023-08-17 | 2025-08-18 | Available |
| KR4AI | 11 | 47 | 2023-08-17 | 2025-08-18 | Available |
| KR4AJ | 11 | 57 | 2006-07-13 | 2008-07-14 | Available |
| KR4AK | 10 | 53 | 2006-10-07 | 2008-10-08 | Available |
| KR4AL | 10 | 53 | 2003-08-24 | 2005-08-25 | Available |
| KR4AM | 9 | 51 | 2034-08-24 | — | Active |
| KR4AN | 11 | 49 | — | — | Available |
| KR4AO | 10 | 55 | 2033-08-29 | — | Active |
| KR4AP | 10 | 55 | — | — | Available |
| KR4AQ | 10 | 57 | — | — | Available |
| KR4AR | 11 | 51 | — | — | Available |
| KR4AS | 11 | 49 | 2033-10-15 | — | Active |
| KR4AT | 10 | 47 | 2034-07-02 | — | Active |
| KR4AU | 11 | 51 | 2034-04-05 | — | Active |
| KR4AV | 10 | 53 | 2033-08-24 | — | Active |
| KR4AW | 10 | 53 | 2033-08-24 | — | Active |
| KR4AX | 10 | 55 | 2013-12-24 | 2015-12-25 | Available |
| KR4AY | 10 | 57 | 2023-08-24 | 2025-08-25 | Available |
| KR4AZ | 10 | 55 | 2033-08-24 | — | Active |
| KR4BA | 10 | 53 | 2023-08-24 | 2025-08-25 | Available |
| KR4BB | 10 | 57 | 2034-03-05 | — | Active |
| KR4BC | 10 | 59 | 2023-08-24 | 2025-08-25 | Available |
| KR4BD | 10 | 55 | 2033-08-24 | — | Active |
| KR4BE | 10 | 49 | — | — | Available |
| KR4BF | 10 | 57 | — | — | Available |
| KR4BG | 9 | 57 | 2021-11-20 | 2023-11-21 | Available |
| KR4BH | 10 | 55 | 2034-05-17 | — | Active |
| KR4BI | 11 | 51 | 2013-08-31 | 2015-09-01 | Available |
| KR4BJ | 11 | 61 | — | — | Available |
| KR4BK | 10 | 57 | 2033-09-06 | — | Active |
| KR4BL | 10 | 57 | — | — | Available |
| KR4BM | 9 | 55 | — | — | Available |
| KR4BN | 11 | 53 | — | — | Available |
| KR4BO | 10 | 59 | 2003-09-07 | 2005-09-08 | Available |
| KR4BP | 10 | 59 | 2003-09-07 | 2005-09-08 | Available |
| KR4BQ | 10 | 61 | 2033-09-07 | — | Active |
| KR4BR | 11 | 55 | 2023-09-07 | 2025-09-08 | Available |
| KR4BS | 11 | 53 | 2033-09-14 | — | Active |
| KR4BT | 10 | 51 | 2033-09-14 | — | Active |
| KR4BU | 11 | 55 | 2034-04-05 | — | Active |
| KR4BV | 10 | 57 | — | — | Available |
| KR4BW | 10 | 57 | 2020-04-10 | 2022-04-11 | Available |
| KR4BX | 10 | 59 | 2033-09-14 | — | Active |
| KR4BY | 10 | 61 | 2023-09-14 | 2025-09-15 | Available |
| KR4BZ | 10 | 59 | — | — | Available |
| KR4CA | 10 | 55 | 2033-09-14 | — | Active |
| KR4CB | 10 | 59 | 2034-03-29 | — | Active |
| KR4CC | 10 | 61 | 2020-08-25 | 2022-08-26 | Available |
| KR4CD | 10 | 57 | 2033-09-14 | — | Active |
| KR4CE | 10 | 51 | 2034-05-31 | — | Active (Vanity) |
| KR4CF | 10 | 59 | 2023-09-14 | 2025-09-15 | Available |
| KR4CG | 9 | 59 | 1999-02-10 | 2001-02-11 | Available |
| KR4CH | 10 | 57 | — | — | Available |
| KR4CI | 11 | 53 | 2024-03-05 | 2026-03-06 | Available |
| KR4CJ | 11 | 63 | 2013-09-14 | 2015-09-15 | Available |
| KR4CK | 10 | 59 | 2033-09-14 | — | Active |
| KR4CL | 10 | 59 | 2014-05-10 | 2016-05-11 | Available |
| KR4CM | 9 | 57 | 2023-09-14 | 2025-09-15 | Available |
| KR4CN | 11 | 55 | 2023-09-14 | 2025-09-15 | Available |
| KR4CO | 10 | 61 | 2032-01-11 | — | Active (Vanity) |
| KR4CP | 10 | 61 | 2027-01-14 | — | Active (Vanity) |
| KR4CQ | 10 | 63 | 2033-09-26 | — | Active |
| KR4CR | 11 | 57 | 2023-09-14 | 2025-09-15 | Available |
| KR4CS | 11 | 55 | 2033-09-14 | — | Active |
| KR4CT | 10 | 53 | 2003-09-14 | 2005-09-15 | Available |
| KR4CU | 11 | 57 | — | — | Available |
| KR4CV | 10 | 59 | 2029-04-13 | — | Active |
| KR4CW | 10 | 59 | 2027-03-31 | — | Active (Vanity) |
| KR4CX | 10 | 61 | 2024-03-05 | 2026-03-06 | Available |