District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NK4IA | 11 | 45 | — | — | Available |
| NK4IB | 11 | 49 | — | — | Available |
| NK4IC | 11 | 51 | — | — | Available |
| NK4ID | 11 | 47 | — | — | Available |
| NK4IE | 11 | 41 | — | — | Available |
| NK4IF | 11 | 49 | — | — | Available |
| NK4IG | 10 | 49 | — | — | Available |
| NK4IH | 11 | 47 | — | — | Available |
| NK4II | 12 | 43 | — | — | Available |
| NK4IJ | 12 | 53 | — | — | Available |
| NK4IK | 11 | 49 | — | — | Available |
| NK4IL | 11 | 49 | — | — | Available |
| NK4IM | 10 | 47 | — | — | Available |
| NK4IN | 12 | 45 | — | — | Available |
| NK4IO | 11 | 51 | — | — | Available |
| NK4IP | 11 | 51 | — | — | Available |
| NK4IQ | 11 | 53 | — | — | Available |
| NK4IR | 12 | 47 | — | — | Available |
| NK4IS | 12 | 45 | — | — | Available |
| NK4IT | 11 | 43 | 2019-02-01 | 2021-02-02 | Available |
| NK4IU | 12 | 47 | — | — | Available |
| NK4IV | 11 | 49 | — | — | Available |
| NK4IW | 11 | 49 | — | — | Available |
| NK4IX | 11 | 51 | — | — | Available |
| NK4IY | 11 | 53 | — | — | Available |
| NK4IZ | 11 | 51 | — | — | Available |
| NK4JA | 11 | 55 | — | — | Available |
| NK4JB | 11 | 59 | — | — | Available |
| NK4JC | 11 | 61 | — | — | Available |
| NK4JD | 11 | 57 | — | — | Available |
| NK4JE | 11 | 51 | — | — | Available |
| NK4JF | 11 | 59 | — | — | Available |
| NK4JG | 10 | 59 | — | — | Available |
| NK4JH | 11 | 57 | — | — | Available |
| NK4JI | 12 | 53 | — | — | Available |
| NK4JJ | 12 | 63 | — | — | Available |
| NK4JK | 11 | 59 | — | — | Available |
| NK4JL | 11 | 59 | — | — | Available |
| NK4JM | 10 | 57 | — | — | Available |
| NK4JN | 12 | 55 | — | — | Available |
| NK4JO | 11 | 61 | — | — | Available |
| NK4JP | 11 | 61 | — | — | Available |
| NK4JQ | 11 | 63 | — | — | Available |
| NK4JR | 12 | 57 | — | — | Available |
| NK4JS | 12 | 55 | — | — | Available |
| NK4JT | 11 | 53 | — | — | Available |
| NK4JU | 12 | 57 | — | — | Available |
| NK4JV | 11 | 59 | — | — | Available |
| NK4JW | 11 | 59 | 2026-09-07 | — | Active (Vanity) |
| NK4JX | 11 | 61 | — | — | Available |
| NK4JY | 11 | 63 | — | — | Available |
| NK4JZ | 11 | 61 | — | — | Available |
| NK4KA | 10 | 51 | — | — | Available |
| NK4KB | 10 | 55 | — | — | Available |
| NK4KC | 10 | 57 | — | — | Available |
| NK4KD | 10 | 53 | — | — | Available |
| NK4KE | 10 | 47 | — | — | Available |
| NK4KF | 10 | 55 | — | — | Available |
| NK4KG | 9 | 55 | — | — | Available |
| NK4KH | 10 | 53 | — | — | Available |
| NK4KI | 11 | 49 | — | — | Available |
| NK4KJ | 11 | 59 | — | — | Available |
| NK4KK | 10 | 55 | — | — | Available |
| NK4KL | 10 | 55 | — | — | Available |
| NK4KM | 9 | 53 | — | — | Available |
| NK4KN | 11 | 51 | — | — | Available |
| NK4KO | 10 | 57 | — | — | Available |
| NK4KP | 10 | 57 | — | — | Available |
| NK4KQ | 10 | 59 | — | — | Available |
| NK4KR | 11 | 53 | — | — | Available |
| NK4KS | 11 | 51 | — | — | Available |
| NK4KT | 10 | 49 | — | — | Available |
| NK4KU | 11 | 53 | — | — | Available |
| NK4KV | 10 | 55 | — | — | Available |
| NK4KW | 10 | 55 | — | — | Available |
| NK4KX | 10 | 57 | — | — | Available |
| NK4KY | 10 | 59 | — | — | Available |
| NK4KZ | 10 | 57 | — | — | Available |
| NK4LA | 10 | 51 | 2029-03-26 | — | Active (Vanity) |
| NK4LB | 10 | 55 | — | — | Available |
| NK4LC | 10 | 57 | — | — | Available |
| NK4LD | 10 | 53 | — | — | Available |
| NK4LE | 10 | 47 | — | — | Available |
| NK4LF | 10 | 55 | — | — | Available |
| NK4LG | 9 | 55 | — | — | Available |
| NK4LH | 10 | 53 | — | — | Available |
| NK4LI | 11 | 49 | — | — | Available |
| NK4LJ | 11 | 59 | — | — | Available |
| NK4LK | 10 | 55 | — | — | Available |
| NK4LL | 10 | 55 | — | — | Available |
| NK4LM | 9 | 53 | — | — | Available |
| NK4LN | 11 | 51 | — | — | Available |
| NK4LO | 10 | 57 | — | — | Available |
| NK4LP | 10 | 57 | — | — | Available |
| NK4LQ | 10 | 59 | — | — | Available |
| NK4LR | 11 | 53 | — | — | Available |
| NK4LS | 11 | 51 | — | — | Available |
| NK4LT | 10 | 49 | — | — | Available |
| NK4LU | 11 | 53 | — | — | Available |
| NK4LV | 10 | 55 | — | — | Available |