District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NI4KA | 11 | 45 | — | — | Available |
| NI4KB | 11 | 49 | — | — | Available |
| NI4KC | 11 | 51 | — | — | Available |
| NI4KD | 11 | 47 | — | — | Available |
| NI4KE | 11 | 41 | — | — | Available |
| NI4KF | 11 | 49 | — | — | Available |
| NI4KG | 10 | 49 | — | — | Available |
| NI4KH | 11 | 47 | — | — | Available |
| NI4KI | 12 | 43 | — | — | Available |
| NI4KJ | 12 | 53 | — | — | Available |
| NI4KK | 11 | 49 | — | — | Available |
| NI4KL | 11 | 49 | — | — | Available |
| NI4KM | 10 | 47 | — | — | Available |
| NI4KN | 12 | 45 | — | — | Available |
| NI4KO | 11 | 51 | — | — | Available |
| NI4KP | 11 | 51 | — | — | Available |
| NI4KQ | 11 | 53 | — | — | Available |
| NI4KR | 12 | 47 | — | — | Available |
| NI4KS | 12 | 45 | 2027-12-18 | — | Active (Vanity) |
| NI4KT | 11 | 43 | — | — | Available |
| NI4KU | 12 | 47 | — | — | Available |
| NI4KV | 11 | 49 | — | — | Available |
| NI4KW | 11 | 49 | — | — | Available |
| NI4KX | 11 | 51 | — | — | Available |
| NI4KY | 11 | 53 | — | — | Available |
| NI4KZ | 11 | 51 | — | — | Available |
| NI4LA | 11 | 45 | — | — | Available |
| NI4LB | 11 | 49 | — | — | Available |
| NI4LC | 11 | 51 | — | — | Available |
| NI4LD | 11 | 47 | — | — | Available |
| NI4LE | 11 | 41 | — | — | Available |
| NI4LF | 11 | 49 | — | — | Available |
| NI4LG | 10 | 49 | — | — | Available |
| NI4LH | 11 | 47 | — | — | Available |
| NI4LI | 12 | 43 | — | — | Available |
| NI4LJ | 12 | 53 | — | — | Available |
| NI4LK | 11 | 49 | — | — | Available |
| NI4LL | 11 | 49 | — | — | Available |
| NI4LM | 10 | 47 | — | — | Available |
| NI4LN | 12 | 45 | — | — | Available |
| NI4LO | 11 | 51 | — | — | Available |
| NI4LP | 11 | 51 | — | — | Available |
| NI4LQ | 11 | 53 | — | — | Available |
| NI4LR | 12 | 47 | — | — | Available |
| NI4LS | 12 | 45 | — | — | Available |
| NI4LT | 11 | 43 | — | — | Available |
| NI4LU | 12 | 47 | — | — | Available |
| NI4LV | 11 | 49 | — | — | Available |
| NI4LW | 11 | 49 | — | — | Available |
| NI4LX | 11 | 51 | — | — | Available |
| NI4LY | 11 | 53 | — | — | Available |
| NI4LZ | 11 | 51 | — | — | Available |
| NI4MA | 10 | 43 | — | — | Available |
| NI4MB | 10 | 47 | — | — | Available |
| NI4MC | 10 | 49 | — | — | Available |
| NI4MD | 10 | 45 | — | — | Available |
| NI4ME | 10 | 39 | — | — | Available |
| NI4MF | 10 | 47 | — | — | Available |
| NI4MG | 9 | 47 | — | — | Available |
| NI4MH | 10 | 45 | — | — | Available |
| NI4MI | 11 | 41 | — | — | Available |
| NI4MJ | 11 | 51 | — | — | Available |
| NI4MK | 10 | 47 | — | — | Available |
| NI4ML | 10 | 47 | — | — | Available |
| NI4MM | 9 | 45 | — | — | Available |
| NI4MN | 11 | 43 | — | — | Available |
| NI4MO | 10 | 49 | — | — | Available |
| NI4MP | 10 | 49 | — | — | Available |
| NI4MQ | 10 | 51 | — | — | Available |
| NI4MR | 11 | 45 | — | — | Available |
| NI4MS | 11 | 43 | — | — | Available |
| NI4MT | 10 | 41 | — | — | Available |
| NI4MU | 11 | 45 | — | — | Available |
| NI4MV | 10 | 47 | — | — | Available |
| NI4MW | 10 | 47 | — | — | Available |
| NI4MX | 10 | 49 | 2036-12-16 | — | Active (Vanity) |
| NI4MY | 10 | 51 | — | — | Available |
| NI4MZ | 10 | 49 | — | — | Available |
| NI4NA | 12 | 41 | — | — | Available |
| NI4NB | 12 | 45 | — | — | Available |
| NI4NC | 12 | 47 | — | — | Available |
| NI4ND | 12 | 43 | — | — | Available |
| NI4NE | 12 | 37 | — | — | Available |
| NI4NF | 12 | 45 | — | — | Available |
| NI4NG | 11 | 45 | — | — | Available |
| NI4NH | 12 | 43 | — | — | Available |
| NI4NI | 13 | 39 | 2024-07-16 | 2026-07-17 | Available |
| NI4NJ | 13 | 49 | — | — | Available |
| NI4NK | 12 | 45 | — | — | Available |
| NI4NL | 12 | 45 | — | — | Available |
| NI4NM | 11 | 43 | — | — | Available |
| NI4NN | 13 | 41 | 2022-01-24 | 2024-01-25 | Available |
| NI4NO | 12 | 47 | — | — | Available |
| NI4NP | 12 | 47 | — | — | Available |
| NI4NQ | 12 | 49 | — | — | Available |
| NI4NR | 13 | 43 | — | — | Available |
| NI4NS | 13 | 41 | — | — | Available |
| NI4NT | 12 | 39 | — | — | Available |
| NI4NU | 13 | 43 | — | — | Available |
| NI4NV | 12 | 45 | — | — | Available |