District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NN4JW | 12 | 55 | 2028-08-19 | — | Active (Vanity) |
| NN4JX | 12 | 57 | — | — | Available |
| NN4JY | 12 | 59 | — | — | Available |
| NN4JZ | 12 | 57 | — | — | Available |
| NN4KA | 11 | 47 | — | — | Available |
| NN4KB | 11 | 51 | — | — | Available |
| NN4KC | 11 | 53 | — | — | Available |
| NN4KD | 11 | 49 | — | — | Available |
| NN4KE | 11 | 43 | — | — | Available |
| NN4KF | 11 | 51 | — | — | Available |
| NN4KG | 10 | 51 | — | — | Available |
| NN4KH | 11 | 49 | — | — | Available |
| NN4KI | 12 | 45 | — | — | Available |
| NN4KJ | 12 | 55 | — | — | Available |
| NN4KK | 11 | 51 | — | — | Available |
| NN4KL | 11 | 51 | — | — | Available |
| NN4KM | 10 | 49 | — | — | Available |
| NN4KN | 12 | 47 | — | — | Available |
| NN4KO | 11 | 53 | — | — | Available |
| NN4KP | 11 | 53 | — | — | Available |
| NN4KQ | 11 | 55 | — | — | Available |
| NN4KR | 12 | 49 | — | — | Available |
| NN4KS | 12 | 47 | — | — | Available |
| NN4KT | 11 | 45 | 2034-10-22 | — | Active (Vanity) |
| NN4KU | 12 | 49 | — | — | Available |
| NN4KV | 11 | 51 | — | — | Available |
| NN4KW | 11 | 51 | 2034-05-14 | — | Active (Vanity) |
| NN4KX | 11 | 53 | — | — | Available |
| NN4KY | 11 | 55 | — | — | Available |
| NN4KZ | 11 | 53 | — | — | Available |
| NN4LA | 11 | 47 | — | — | Available |
| NN4LB | 11 | 51 | — | — | Available |
| NN4LC | 11 | 53 | — | — | Available |
| NN4LD | 11 | 49 | — | — | Available |
| NN4LE | 11 | 43 | — | — | Available |
| NN4LF | 11 | 51 | — | — | Available |
| NN4LG | 10 | 51 | — | — | Available |
| NN4LH | 11 | 49 | — | — | Available |
| NN4LI | 12 | 45 | — | — | Available |
| NN4LJ | 12 | 55 | — | — | Available |
| NN4LK | 11 | 51 | — | — | Available |
| NN4LL | 11 | 51 | — | — | Available |
| NN4LM | 10 | 49 | — | — | Available |
| NN4LN | 12 | 47 | — | — | Available |
| NN4LO | 11 | 53 | — | — | Available |
| NN4LP | 11 | 53 | — | — | Available |
| NN4LQ | 11 | 55 | — | — | Available |
| NN4LR | 12 | 49 | — | — | Available |
| NN4LS | 12 | 47 | — | — | Available |
| NN4LT | 11 | 45 | — | — | Available |
| NN4LU | 12 | 49 | — | — | Available |
| NN4LV | 11 | 51 | — | — | Available |
| NN4LW | 11 | 51 | — | — | Available |
| NN4LX | 11 | 53 | — | — | Available |
| NN4LY | 11 | 55 | — | — | Available |
| NN4LZ | 11 | 53 | — | — | Available |
| NN4MA | 10 | 45 | — | — | Available |
| NN4MB | 10 | 49 | — | — | Available |
| NN4MC | 10 | 51 | — | — | Available |
| NN4MD | 10 | 47 | — | — | Available |
| NN4ME | 10 | 41 | — | — | Available |
| NN4MF | 10 | 49 | — | — | Available |
| NN4MG | 9 | 49 | — | — | Available |
| NN4MH | 10 | 47 | — | — | Available |
| NN4MI | 11 | 43 | — | — | Available |
| NN4MJ | 11 | 53 | — | — | Available |
| NN4MK | 10 | 49 | — | — | Available |
| NN4ML | 10 | 49 | — | — | Available |
| NN4MM | 9 | 47 | 2029-07-07 | — | Active (Vanity) |
| NN4MN | 11 | 45 | — | — | Available |
| NN4MO | 10 | 51 | — | — | Available |
| NN4MP | 10 | 51 | — | — | Available |
| NN4MQ | 10 | 53 | — | — | Available |
| NN4MR | 11 | 47 | — | — | Available |
| NN4MS | 11 | 45 | — | — | Available |
| NN4MT | 10 | 43 | — | — | Available |
| NN4MU | 11 | 47 | — | — | Available |
| NN4MV | 10 | 49 | — | — | Available |
| NN4MW | 10 | 49 | — | — | Available |
| NN4MX | 10 | 51 | — | — | Available |
| NN4MY | 10 | 53 | — | — | Available |
| NN4MZ | 10 | 51 | — | — | Available |
| NN4NA | 12 | 43 | — | — | Available |
| NN4NB | 12 | 47 | — | — | Available |
| NN4NC | 12 | 49 | 2027-07-20 | — | Active (Vanity) |
| NN4ND | 12 | 45 | — | — | Available |
| NN4NE | 12 | 39 | — | — | Available |
| NN4NF | 12 | 47 | — | — | Available |
| NN4NG | 11 | 47 | — | — | Available |
| NN4NH | 12 | 45 | — | — | Available |
| NN4NI | 13 | 41 | — | — | Available |
| NN4NJ | 13 | 51 | — | — | Available |
| NN4NK | 12 | 47 | — | — | Available |
| NN4NL | 12 | 47 | — | — | Available |
| NN4NM | 11 | 45 | — | — | Available |
| NN4NN | 13 | 43 | 2025-12-30 | 2027-12-31 | Canceled (grace period) |
| NN4NO | 12 | 49 | — | — | Available |
| NN4NP | 12 | 49 | — | — | Available |
| NN4NQ | 12 | 51 | — | — | Available |
| NN4NR | 13 | 45 | — | — | Available |