District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NU4LO | 11 | 55 | — | — | Available |
| NU4LP | 11 | 55 | — | — | Available |
| NU4LQ | 11 | 57 | — | — | Available |
| NU4LR | 12 | 51 | — | — | Available |
| NU4LS | 12 | 49 | — | — | Available |
| NU4LT | 11 | 47 | — | — | Available |
| NU4LU | 12 | 51 | — | — | Available |
| NU4LV | 11 | 53 | — | — | Available |
| NU4LW | 11 | 53 | — | — | Available |
| NU4LX | 11 | 55 | — | — | Available |
| NU4LY | 11 | 57 | — | — | Available |
| NU4LZ | 11 | 55 | — | — | Available |
| NU4MA | 10 | 47 | — | — | Available |
| NU4MB | 10 | 51 | — | — | Available |
| NU4MC | 10 | 53 | — | — | Available |
| NU4MD | 10 | 49 | — | — | Available |
| NU4ME | 10 | 43 | 2036-07-31 | — | Active (Vanity) |
| NU4MF | 10 | 51 | — | — | Available |
| NU4MG | 9 | 51 | — | — | Available |
| NU4MH | 10 | 49 | — | — | Available |
| NU4MI | 11 | 45 | — | — | Available |
| NU4MJ | 11 | 55 | — | — | Available |
| NU4MK | 10 | 51 | — | — | Available |
| NU4ML | 10 | 51 | — | — | Available |
| NU4MM | 9 | 49 | — | — | Available |
| NU4MN | 11 | 47 | — | — | Available |
| NU4MO | 10 | 53 | — | — | Available |
| NU4MP | 10 | 53 | — | — | Available |
| NU4MQ | 10 | 55 | — | — | Available |
| NU4MR | 11 | 49 | — | — | Available |
| NU4MS | 11 | 47 | — | — | Available |
| NU4MT | 10 | 45 | — | — | Available |
| NU4MU | 11 | 49 | — | — | Available |
| NU4MV | 10 | 51 | — | — | Available |
| NU4MW | 10 | 51 | — | — | Available |
| NU4MX | 10 | 53 | — | — | Available |
| NU4MY | 10 | 55 | — | — | Available |
| NU4MZ | 10 | 53 | — | — | Available |
| NU4NA | 12 | 45 | — | — | Available |
| NU4NB | 12 | 49 | — | — | Available |
| NU4NC | 12 | 51 | 2010-02-05 | 2012-02-06 | Available |
| NU4ND | 12 | 47 | — | — | Available |
| NU4NE | 12 | 41 | — | — | Available |
| NU4NF | 12 | 49 | — | — | Available |
| NU4NG | 11 | 49 | — | — | Available |
| NU4NH | 12 | 47 | — | — | Available |
| NU4NI | 13 | 43 | — | — | Available |
| NU4NJ | 13 | 53 | — | — | Available |
| NU4NK | 12 | 49 | — | — | Available |
| NU4NL | 12 | 49 | — | — | Available |
| NU4NM | 11 | 47 | — | — | Available |
| NU4NN | 13 | 45 | — | — | Available |
| NU4NO | 12 | 51 | — | — | Available |
| NU4NP | 12 | 51 | — | — | Available |
| NU4NQ | 12 | 53 | — | — | Available |
| NU4NR | 13 | 47 | — | — | Available |
| NU4NS | 13 | 45 | — | — | Available |
| NU4NT | 12 | 43 | — | — | Available |
| NU4NU | 13 | 47 | — | — | Available |
| NU4NV | 12 | 49 | — | — | Available |
| NU4NW | 12 | 49 | — | — | Available |
| NU4NX | 12 | 51 | — | — | Available |
| NU4NY | 12 | 53 | — | — | Available |
| NU4NZ | 12 | 51 | — | — | Available |
| NU4OA | 11 | 51 | — | — | Available |
| NU4OB | 11 | 55 | — | — | Available |
| NU4OC | 11 | 57 | — | — | Available |
| NU4OD | 11 | 53 | — | — | Available |
| NU4OE | 11 | 47 | — | — | Available |
| NU4OF | 11 | 55 | — | — | Available |
| NU4OG | 10 | 55 | — | — | Available |
| NU4OH | 11 | 53 | — | — | Available |
| NU4OI | 12 | 49 | — | — | Available |
| NU4OJ | 12 | 59 | — | — | Available |
| NU4OK | 11 | 55 | — | — | Available |
| NU4OL | 11 | 55 | — | — | Available |
| NU4OM | 10 | 53 | — | — | Available |
| NU4ON | 12 | 51 | — | — | Available |
| NU4OO | 11 | 57 | — | — | Available |
| NU4OP | 11 | 57 | — | — | Available |
| NU4OQ | 11 | 59 | — | — | Available |
| NU4OR | 12 | 53 | — | — | Available |
| NU4OS | 12 | 51 | — | — | Available |
| NU4OT | 11 | 49 | — | — | Available |
| NU4OU | 12 | 53 | — | — | Available |
| NU4OV | 11 | 55 | — | — | Available |
| NU4OW | 11 | 55 | — | — | Available |
| NU4OX | 11 | 57 | — | — | Available |
| NU4OY | 11 | 59 | — | — | Available |
| NU4OZ | 11 | 57 | — | — | Available |
| NU4PA | 11 | 51 | — | — | Available |
| NU4PB | 11 | 55 | — | — | Available |
| NU4PC | 11 | 57 | — | — | Available |
| NU4PD | 11 | 53 | — | — | Available |
| NU4PE | 11 | 47 | — | — | Available |
| NU4PF | 11 | 55 | — | — | Available |
| NU4PG | 10 | 55 | — | — | Available |
| NU4PH | 11 | 53 | — | — | Available |
| NU4PI | 12 | 49 | — | — | Available |
| NU4PJ | 12 | 59 | — | — | Available |