District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NU4XC | 11 | 57 | — | — | Available |
| NU4XD | 11 | 53 | — | — | Available |
| NU4XE | 11 | 47 | — | — | Available |
| NU4XF | 11 | 55 | — | — | Available |
| NU4XG | 10 | 55 | — | — | Available |
| NU4XH | 11 | 53 | — | — | Available |
| NU4XI | 12 | 49 | — | — | Available |
| NU4XJ | 12 | 59 | — | — | Available |
| NU4XK | 11 | 55 | — | — | Available |
| NU4XL | 11 | 55 | — | — | Available |
| NU4XM | 10 | 53 | — | — | Available |
| NU4XN | 12 | 51 | — | — | Available |
| NU4XO | 11 | 57 | — | — | Available |
| NU4XP | 11 | 57 | — | — | Available |
| NU4XQ | 11 | 59 | — | — | Available |
| NU4XR | 12 | 53 | — | — | Available |
| NU4XS | 12 | 51 | — | — | Available |
| NU4XT | 11 | 49 | — | — | Available |
| NU4XU | 12 | 53 | — | — | Available |
| NU4XV | 11 | 55 | — | — | Available |
| NU4XW | 11 | 55 | — | — | Available |
| NU4XX | 11 | 57 | — | — | Available |
| NU4XY | 11 | 59 | — | — | Available |
| NU4XZ | 11 | 57 | — | — | Available |
| NU4YA | 11 | 53 | — | — | Available |
| NU4YB | 11 | 57 | — | — | Available |
| NU4YC | 11 | 59 | — | — | Available |
| NU4YD | 11 | 55 | — | — | Available |
| NU4YE | 11 | 49 | — | — | Available |
| NU4YF | 11 | 57 | — | — | Available |
| NU4YG | 10 | 57 | — | — | Available |
| NU4YH | 11 | 55 | — | — | Available |
| NU4YI | 12 | 51 | — | — | Available |
| NU4YJ | 12 | 61 | — | — | Available |
| NU4YK | 11 | 57 | — | — | Available |
| NU4YL | 11 | 57 | — | — | Available |
| NU4YM | 10 | 55 | — | — | Available |
| NU4YN | 12 | 53 | — | — | Available |
| NU4YO | 11 | 59 | — | — | Available |
| NU4YP | 11 | 59 | — | — | Available |
| NU4YQ | 11 | 61 | — | — | Available |
| NU4YR | 12 | 55 | — | — | Available |
| NU4YS | 12 | 53 | — | — | Available |
| NU4YT | 11 | 51 | — | — | Available |
| NU4YU | 12 | 55 | — | — | Available |
| NU4YV | 11 | 57 | — | — | Available |
| NU4YW | 11 | 57 | — | — | Available |
| NU4YX | 11 | 59 | — | — | Available |
| NU4YY | 11 | 61 | — | — | Available |
| NU4YZ | 11 | 59 | — | — | Available |
| NU4ZA | 11 | 51 | — | — | Available |
| NU4ZB | 11 | 55 | — | — | Available |
| NU4ZC | 11 | 57 | — | — | Available |
| NU4ZD | 11 | 53 | — | — | Available |
| NU4ZE | 11 | 47 | — | — | Available |
| NU4ZF | 11 | 55 | — | — | Available |
| NU4ZG | 10 | 55 | — | — | Available |
| NU4ZH | 11 | 53 | — | — | Available |
| NU4ZI | 12 | 49 | — | — | Available |
| NU4ZJ | 12 | 59 | — | — | Available |
| NU4ZK | 11 | 55 | — | — | Available |
| NU4ZL | 11 | 55 | — | — | Available |
| NU4ZM | 10 | 53 | — | — | Available |
| NU4ZN | 12 | 51 | — | — | Available |
| NU4ZO | 11 | 57 | — | — | Available |
| NU4ZP | 11 | 57 | — | — | Available |
| NU4ZQ | 11 | 59 | — | — | Available |
| NU4ZR | 12 | 53 | — | — | Available |
| NU4ZS | 12 | 51 | — | — | Available |
| NU4ZT | 11 | 49 | — | — | Available |
| NU4ZU | 12 | 53 | — | — | Available |
| NU4ZV | 11 | 55 | — | — | Available |
| NU4ZW | 11 | 55 | — | — | Available |
| NU4ZX | 11 | 57 | — | — | Available |
| NU4ZY | 11 | 59 | — | — | Available |
| NU4ZZ | 11 | 57 | — | — | Available |
| NV4AA | 10 | 47 | 2033-06-27 | — | Active (Vanity) |
| NV4AB | 10 | 51 | — | — | Available |
| NV4AC | 10 | 53 | — | — | Available |
| NV4AD | 10 | 49 | — | — | Available |
| NV4AE | 10 | 43 | — | — | Available |
| NV4AF | 10 | 51 | — | — | Available |
| NV4AG | 9 | 51 | — | — | Available |
| NV4AH | 10 | 49 | — | — | Available |
| NV4AI | 11 | 45 | — | — | Available |
| NV4AJ | 11 | 55 | — | — | Available |
| NV4AK | 10 | 51 | — | — | Available |
| NV4AL | 10 | 51 | — | — | Available |
| NV4AM | 9 | 49 | — | — | Available |
| NV4AN | 11 | 47 | — | — | Available |
| NV4AO | 10 | 53 | — | — | Available |
| NV4AP | 10 | 53 | — | — | Available |
| NV4AQ | 10 | 55 | — | — | Available |
| NV4AR | 11 | 49 | — | — | Available |
| NV4AS | 11 | 47 | — | — | Available |
| NV4AT | 10 | 45 | — | — | Available |
| NV4AU | 11 | 49 | — | — | Available |
| NV4AV | 10 | 51 | — | — | Available |
| NV4AW | 10 | 51 | — | — | Available |
| NV4AX | 10 | 53 | — | — | Available |