District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WK4ZK | 9 | 61 | — | — | Available |
| WK4ZL | 9 | 61 | — | — | Available |
| WK4ZM | 8 | 59 | — | — | Available |
| WK4ZN | 10 | 57 | — | — | Available |
| WK4ZO | 9 | 63 | — | — | Available |
| WK4ZP | 9 | 63 | — | — | Available |
| WK4ZQ | 9 | 65 | — | — | Available |
| WK4ZR | 10 | 59 | 2010-06-13 | 2012-06-14 | Available |
| WK4ZS | 10 | 57 | — | — | Available |
| WK4ZT | 9 | 55 | — | — | Available |
| WK4ZU | 10 | 59 | — | — | Available |
| WK4ZV | 9 | 61 | — | — | Available |
| WK4ZW | 9 | 61 | — | — | Available |
| WK4ZX | 9 | 63 | 2018-11-16 | 2020-11-17 | Available |
| WK4ZY | 9 | 65 | — | — | Available |
| WK4ZZ | 9 | 63 | — | — | Available |
| WM4AA | 8 | 49 | 2032-08-07 | — | Active (Vanity) |
| WM4AB | 8 | 53 | — | — | Available |
| WM4AC | 8 | 55 | — | — | Available |
| WM4AD | 8 | 51 | — | — | Available |
| WM4AE | 8 | 45 | — | — | Available |
| WM4AF | 8 | 53 | — | — | Available |
| WM4AG | 7 | 53 | — | — | Available |
| WM4AH | 8 | 51 | — | — | Available |
| WM4AI | 9 | 47 | — | — | Available |
| WM4AJ | 9 | 57 | — | — | Available |
| WM4AK | 8 | 53 | — | — | Available |
| WM4AL | 8 | 53 | — | — | Available |
| WM4AM | 7 | 51 | — | — | Available |
| WM4AN | 9 | 49 | — | — | Available |
| WM4AO | 8 | 55 | — | — | Available |
| WM4AP | 8 | 55 | 2020-10-16 | 2022-10-17 | Available |
| WM4AQ | 8 | 57 | — | — | Available |
| WM4AR | 9 | 51 | — | — | Available |
| WM4AS | 9 | 49 | — | — | Available |
| WM4AT | 8 | 47 | — | — | Available |
| WM4AU | 9 | 51 | — | — | Available |
| WM4AV | 8 | 53 | — | — | Available |
| WM4AW | 8 | 53 | — | — | Available |
| WM4AX | 8 | 55 | — | — | Available |
| WM4AY | 8 | 57 | — | — | Available |
| WM4AZ | 8 | 55 | — | — | Available |
| WM4BA | 8 | 53 | — | — | Available |
| WM4BB | 8 | 57 | — | — | Available |
| WM4BC | 8 | 59 | — | — | Available |
| WM4BD | 8 | 55 | — | — | Available |
| WM4BE | 8 | 49 | 2036-02-27 | — | Active (Vanity) |
| WM4BF | 8 | 57 | — | — | Available |
| WM4BG | 7 | 57 | — | — | Available |
| WM4BH | 8 | 55 | — | — | Available |
| WM4BI | 9 | 51 | — | — | Available |
| WM4BJ | 9 | 61 | — | — | Available |
| WM4BK | 8 | 57 | — | — | Available |
| WM4BL | 8 | 57 | — | — | Available |
| WM4BM | 7 | 55 | — | — | Available |
| WM4BN | 9 | 53 | — | — | Available |
| WM4BO | 8 | 59 | — | — | Available |
| WM4BP | 8 | 59 | — | — | Available |
| WM4BQ | 8 | 61 | — | — | Available |
| WM4BR | 9 | 55 | — | — | Available |
| WM4BS | 9 | 53 | — | — | Available |
| WM4BT | 8 | 51 | — | — | Available |
| WM4BU | 9 | 55 | — | — | Available |
| WM4BV | 8 | 57 | — | — | Available |
| WM4BW | 8 | 57 | 2019-08-06 | 2021-08-07 | Available |
| WM4BX | 8 | 59 | — | — | Available |
| WM4BY | 8 | 61 | — | — | Available |
| WM4BZ | 8 | 59 | — | — | Available |
| WM4CA | 8 | 55 | — | — | Available |
| WM4CB | 8 | 59 | — | — | Available |
| WM4CC | 8 | 61 | 2028-01-24 | — | Active (Vanity) |
| WM4CD | 8 | 57 | — | — | Available |
| WM4CE | 8 | 51 | — | — | Available |
| WM4CF | 8 | 59 | — | — | Available |
| WM4CG | 7 | 59 | — | — | Available |
| WM4CH | 8 | 57 | 2027-03-14 | — | Active (Vanity) |
| WM4CI | 9 | 53 | — | — | Available |
| WM4CJ | 9 | 63 | — | — | Available |
| WM4CK | 8 | 59 | 2028-06-16 | — | Active (Vanity) |
| WM4CL | 8 | 59 | — | — | Available |
| WM4CM | 7 | 57 | — | — | Available |
| WM4CN | 9 | 55 | — | — | Available |
| WM4CO | 8 | 61 | — | — | Available |
| WM4CP | 8 | 61 | — | — | Available |
| WM4CQ | 8 | 63 | 2025-03-25 | — | Active (Vanity) |
| WM4CR | 9 | 57 | — | — | Available |
| WM4CS | 9 | 55 | — | — | Available |
| WM4CT | 8 | 53 | — | — | Available |
| WM4CU | 9 | 57 | — | — | Available |
| WM4CV | 8 | 59 | — | — | Available |
| WM4CW | 8 | 59 | — | — | Available |
| WM4CX | 8 | 61 | — | — | Available |
| WM4CY | 8 | 63 | — | — | Available |
| WM4CZ | 8 | 61 | — | — | Available |
| WM4DA | 8 | 51 | — | — | Available |
| WM4DB | 8 | 55 | — | — | Available |
| WM4DC | 8 | 57 | — | — | Available |
| WM4DD | 8 | 53 | — | — | Available |
| WM4DE | 8 | 47 | 2031-09-27 | — | Active (Vanity) |
| WM4DF | 8 | 55 | — | — | Available |