District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NU4HS | 12 | 47 | — | — | Available |
| NU4HT | 11 | 45 | — | — | Available |
| NU4HU | 12 | 49 | — | — | Available |
| NU4HV | 11 | 51 | — | — | Available |
| NU4HW | 11 | 51 | — | — | Available |
| NU4HX | 11 | 53 | — | — | Available |
| NU4HY | 11 | 55 | — | — | Available |
| NU4HZ | 11 | 53 | — | — | Available |
| NU4IA | 12 | 43 | — | — | Available |
| NU4IB | 12 | 47 | — | — | Available |
| NU4IC | 12 | 49 | — | — | Available |
| NU4ID | 12 | 45 | — | — | Available |
| NU4IE | 12 | 39 | — | — | Available |
| NU4IF | 12 | 47 | — | — | Available |
| NU4IG | 11 | 47 | — | — | Available |
| NU4IH | 12 | 45 | — | — | Available |
| NU4II | 13 | 41 | — | — | Available |
| NU4IJ | 13 | 51 | — | — | Available |
| NU4IK | 12 | 47 | — | — | Available |
| NU4IL | 12 | 47 | — | — | Available |
| NU4IM | 11 | 45 | — | — | Available |
| NU4IN | 13 | 43 | — | — | Available |
| NU4IO | 12 | 49 | — | — | Available |
| NU4IP | 12 | 49 | — | — | Available |
| NU4IQ | 12 | 51 | — | — | Available |
| NU4IR | 13 | 45 | — | — | Available |
| NU4IS | 13 | 43 | — | — | Available |
| NU4IT | 12 | 41 | — | — | Available |
| NU4IU | 13 | 45 | — | — | Available |
| NU4IV | 12 | 47 | — | — | Available |
| NU4IW | 12 | 47 | — | — | Available |
| NU4IX | 12 | 49 | — | — | Available |
| NU4IY | 12 | 51 | — | — | Available |
| NU4IZ | 12 | 49 | — | — | Available |
| NU4JA | 12 | 53 | — | — | Available |
| NU4JB | 12 | 57 | — | — | Available |
| NU4JC | 12 | 59 | — | — | Available |
| NU4JD | 12 | 55 | — | — | Available |
| NU4JE | 12 | 49 | — | — | Available |
| NU4JF | 12 | 57 | — | — | Available |
| NU4JG | 11 | 57 | — | — | Available |
| NU4JH | 12 | 55 | — | — | Available |
| NU4JI | 13 | 51 | — | — | Available |
| NU4JJ | 13 | 61 | 2027-10-16 | — | Active (Vanity) |
| NU4JK | 12 | 57 | — | — | Available |
| NU4JL | 12 | 57 | — | — | Available |
| NU4JM | 11 | 55 | — | — | Available |
| NU4JN | 13 | 53 | — | — | Available |
| NU4JO | 12 | 59 | — | — | Available |
| NU4JP | 12 | 59 | — | — | Available |
| NU4JQ | 12 | 61 | — | — | Available |
| NU4JR | 13 | 55 | — | — | Available |
| NU4JS | 13 | 53 | — | — | Available |
| NU4JT | 12 | 51 | — | — | Available |
| NU4JU | 13 | 55 | — | — | Available |
| NU4JV | 12 | 57 | — | — | Available |
| NU4JW | 12 | 57 | — | — | Available |
| NU4JX | 12 | 59 | — | — | Available |
| NU4JY | 12 | 61 | — | — | Available |
| NU4JZ | 12 | 59 | — | — | Available |
| NU4KA | 11 | 49 | — | — | Available |
| NU4KB | 11 | 53 | — | — | Available |
| NU4KC | 11 | 55 | — | — | Available |
| NU4KD | 11 | 51 | — | — | Available |
| NU4KE | 11 | 45 | — | — | Available |
| NU4KF | 11 | 53 | — | — | Available |
| NU4KG | 10 | 53 | — | — | Available |
| NU4KH | 11 | 51 | — | — | Available |
| NU4KI | 12 | 47 | — | — | Available |
| NU4KJ | 12 | 57 | — | — | Available |
| NU4KK | 11 | 53 | — | — | Available |
| NU4KL | 11 | 53 | — | — | Available |
| NU4KM | 10 | 51 | — | — | Available |
| NU4KN | 12 | 49 | — | — | Available |
| NU4KO | 11 | 55 | — | — | Available |
| NU4KP | 11 | 55 | — | — | Available |
| NU4KQ | 11 | 57 | — | — | Available |
| NU4KR | 12 | 51 | — | — | Available |
| NU4KS | 12 | 49 | — | — | Available |
| NU4KT | 11 | 47 | — | — | Available |
| NU4KU | 12 | 51 | — | — | Available |
| NU4KV | 11 | 53 | — | — | Available |
| NU4KW | 11 | 53 | — | — | Available |
| NU4KX | 11 | 55 | — | — | Available |
| NU4KY | 11 | 57 | — | — | Available |
| NU4KZ | 11 | 55 | — | — | Available |
| NU4LA | 11 | 49 | — | — | Available |
| NU4LB | 11 | 53 | — | — | Available |
| NU4LC | 11 | 55 | — | — | Available |
| NU4LD | 11 | 51 | — | — | Available |
| NU4LE | 11 | 45 | — | — | Available |
| NU4LF | 11 | 53 | — | — | Available |
| NU4LG | 10 | 53 | — | — | Available |
| NU4LH | 11 | 51 | — | — | Available |
| NU4LI | 12 | 47 | — | — | Available |
| NU4LJ | 12 | 57 | — | — | Available |
| NU4LK | 11 | 53 | — | — | Available |
| NU4LL | 11 | 53 | — | — | Available |
| NU4LM | 10 | 51 | — | — | Available |
| NU4LN | 12 | 49 | — | — | Available |