District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WW4XC | 9 | 63 | — | — | Available |
| WW4XD | 9 | 59 | — | — | Available |
| WW4XE | 9 | 53 | — | — | Available |
| WW4XF | 9 | 61 | — | — | Available |
| WW4XG | 8 | 61 | — | — | Available |
| WW4XH | 9 | 59 | — | — | Available |
| WW4XI | 10 | 55 | — | — | Available |
| WW4XJ | 10 | 65 | — | — | Available |
| WW4XK | 9 | 61 | — | — | Available |
| WW4XL | 9 | 61 | — | — | Available |
| WW4XM | 8 | 59 | — | — | Available |
| WW4XN | 10 | 57 | — | — | Available |
| WW4XO | 9 | 63 | — | — | Available |
| WW4XP | 9 | 63 | — | — | Available |
| WW4XQ | 9 | 65 | — | — | Available |
| WW4XR | 10 | 59 | — | — | Available |
| WW4XS | 10 | 57 | — | — | Available |
| WW4XT | 9 | 55 | — | — | Available |
| WW4XU | 10 | 59 | — | — | Available |
| WW4XV | 9 | 61 | — | — | Available |
| WW4XW | 9 | 61 | — | — | Available |
| WW4XX | 9 | 63 | 2028-06-22 | — | Active (Vanity) |
| WW4XY | 9 | 65 | — | — | Available |
| WW4XZ | 9 | 63 | — | — | Available |
| WW4YA | 9 | 59 | — | — | Available |
| WW4YB | 9 | 63 | — | — | Available |
| WW4YC | 9 | 65 | — | — | Available |
| WW4YD | 9 | 61 | — | — | Available |
| WW4YE | 9 | 55 | — | — | Available |
| WW4YF | 9 | 63 | — | — | Available |
| WW4YG | 8 | 63 | — | — | Available |
| WW4YH | 9 | 61 | — | — | Available |
| WW4YI | 10 | 57 | — | — | Available |
| WW4YJ | 10 | 67 | — | — | Available |
| WW4YK | 9 | 63 | — | — | Available |
| WW4YL | 9 | 63 | — | — | Available |
| WW4YM | 8 | 61 | — | — | Available |
| WW4YN | 10 | 59 | — | — | Available |
| WW4YO | 9 | 65 | — | — | Available |
| WW4YP | 9 | 65 | — | — | Available |
| WW4YQ | 9 | 67 | — | — | Available |
| WW4YR | 10 | 61 | — | — | Available |
| WW4YS | 10 | 59 | — | — | Available |
| WW4YT | 9 | 57 | — | — | Available |
| WW4YU | 10 | 61 | — | — | Available |
| WW4YV | 9 | 63 | — | — | Available |
| WW4YW | 9 | 63 | — | — | Available |
| WW4YX | 9 | 65 | — | — | Available |
| WW4YY | 9 | 67 | — | — | Available |
| WW4YZ | 9 | 65 | — | — | Available |
| WW4ZA | 9 | 57 | — | — | Available |
| WW4ZB | 9 | 61 | — | — | Available |
| WW4ZC | 9 | 63 | — | — | Available |
| WW4ZD | 9 | 59 | — | — | Available |
| WW4ZE | 9 | 53 | — | — | Available |
| WW4ZF | 9 | 61 | — | — | Available |
| WW4ZG | 8 | 61 | — | — | Available |
| WW4ZH | 9 | 59 | — | — | Available |
| WW4ZI | 10 | 55 | — | — | Available |
| WW4ZJ | 10 | 65 | — | — | Available |
| WW4ZK | 9 | 61 | — | — | Available |
| WW4ZL | 9 | 61 | — | — | Available |
| WW4ZM | 8 | 59 | — | — | Available |
| WW4ZN | 10 | 57 | — | — | Available |
| WW4ZO | 9 | 63 | — | — | Available |
| WW4ZP | 9 | 63 | — | — | Available |
| WW4ZQ | 9 | 65 | — | — | Available |
| WW4ZR | 10 | 59 | — | — | Available |
| WW4ZS | 10 | 57 | — | — | Available |
| WW4ZT | 9 | 55 | 2033-06-27 | — | Active (Vanity) |
| WW4ZU | 10 | 59 | — | — | Available |
| WW4ZV | 9 | 61 | — | — | Available |
| WW4ZW | 9 | 61 | — | — | Available |
| WW4ZX | 9 | 63 | — | — | Available |
| WW4ZY | 9 | 65 | — | — | Available |
| WW4ZZ | 9 | 63 | 2031-06-12 | — | Active (Vanity) |
| WX4AA | 9 | 53 | 2025-02-22 | 2027-02-23 | Canceled (grace period) |
| WX4AB | 9 | 57 | — | — | Available |
| WX4AC | 9 | 59 | 2028-09-27 | — | Active (Vanity) |
| WX4AD | 9 | 55 | — | — | Available |
| WX4AE | 9 | 49 | — | — | Available |
| WX4AF | 9 | 57 | — | — | Available |
| WX4AG | 8 | 57 | — | — | Available |
| WX4AH | 9 | 55 | — | — | Available |
| WX4AI | 10 | 51 | — | — | Available |
| WX4AJ | 10 | 61 | — | — | Available |
| WX4AK | 9 | 57 | — | — | Available |
| WX4AL | 9 | 57 | 2027-05-11 | — | Active (Vanity) |
| WX4AM | 8 | 55 | 2026-09-23 | — | Active (Vanity) |
| WX4AN | 10 | 53 | — | — | Available |
| WX4AO | 9 | 59 | — | — | Available |
| WX4AP | 9 | 59 | — | — | Available |
| WX4AQ | 9 | 61 | — | — | Available |
| WX4AR | 10 | 55 | 2030-09-08 | — | Active (Vanity) |
| WX4AS | 10 | 53 | — | — | Available |
| WX4AT | 9 | 51 | — | — | Available |
| WX4AU | 10 | 55 | — | — | Available |
| WX4AV | 9 | 57 | — | — | Available |
| WX4AW | 9 | 57 | — | — | Available |
| WX4AX | 9 | 59 | 2021-03-09 | 2023-03-10 | Available |