District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WB4KI | 10 | 53 | — | — | Available |
| WB4KJ | 10 | 63 | — | — | Available |
| WB4KK | 9 | 59 | — | — | Available |
| WB4KL | 9 | 59 | — | — | Available |
| WB4KM | 8 | 57 | — | — | Available |
| WB4KN | 10 | 55 | — | — | Available |
| WB4KO | 9 | 61 | — | — | Available |
| WB4KP | 9 | 61 | — | — | Available |
| WB4KQ | 9 | 63 | — | — | Available |
| WB4KR | 10 | 57 | 2032-07-06 | — | Active (Vanity) |
| WB4KS | 10 | 55 | — | — | Available |
| WB4KT | 9 | 53 | — | — | Available |
| WB4KU | 10 | 57 | — | — | Available |
| WB4KV | 9 | 59 | — | — | Available |
| WB4KW | 9 | 59 | 2030-05-18 | — | Active (Vanity) |
| WB4KX | 9 | 61 | — | — | Available |
| WB4KY | 9 | 63 | 2029-03-31 | — | Active (Vanity) |
| WB4KZ | 9 | 61 | — | — | Available |
| WB4LA | 9 | 55 | 2034-06-07 | — | Active (Vanity) |
| WB4LB | 9 | 59 | — | — | Available |
| WB4LC | 9 | 61 | 2023-10-07 | 2025-10-08 | Available |
| WB4LD | 9 | 57 | — | — | Available |
| WB4LE | 9 | 51 | 2030-02-02 | — | Active (Vanity) |
| WB4LF | 9 | 59 | — | — | Available |
| WB4LG | 8 | 59 | — | — | Available |
| WB4LH | 9 | 57 | — | — | Available |
| WB4LI | 10 | 53 | — | — | Available |
| WB4LJ | 10 | 63 | — | — | Available |
| WB4LK | 9 | 59 | — | — | Available |
| WB4LL | 9 | 59 | — | — | Available |
| WB4LM | 8 | 57 | — | — | Available |
| WB4LN | 10 | 55 | — | — | Available |
| WB4LO | 9 | 61 | — | — | Available |
| WB4LP | 9 | 61 | — | — | Available |
| WB4LQ | 9 | 63 | — | — | Available |
| WB4LR | 10 | 57 | — | — | Available |
| WB4LS | 10 | 55 | — | — | Available |
| WB4LT | 9 | 53 | — | — | Available |
| WB4LU | 10 | 57 | — | — | Available |
| WB4LV | 9 | 59 | — | — | Available |
| WB4LW | 9 | 59 | — | — | Available |
| WB4LX | 9 | 61 | — | — | Available |
| WB4LY | 9 | 63 | — | — | Available |
| WB4LZ | 9 | 61 | — | — | Available |
| WB4MA | 8 | 53 | — | — | Available |
| WB4MB | 8 | 57 | — | — | Available |
| WB4MC | 8 | 59 | — | — | Available |
| WB4MD | 8 | 55 | — | — | Available |
| WB4ME | 8 | 49 | 2034-11-11 | — | Active (Vanity) |
| WB4MF | 8 | 57 | — | — | Available |
| WB4MG | 7 | 57 | — | — | Available |
| WB4MH | 8 | 55 | — | — | Available |
| WB4MI | 9 | 51 | — | — | Available |
| WB4MJ | 9 | 61 | 2035-03-08 | — | Active (Vanity) |
| WB4MK | 8 | 57 | — | — | Available |
| WB4ML | 8 | 57 | — | — | Available |
| WB4MM | 7 | 55 | 2032-11-16 | — | Active (Vanity) |
| WB4MN | 9 | 53 | — | — | Available |
| WB4MO | 8 | 59 | — | — | Available |
| WB4MP | 8 | 59 | — | — | Available |
| WB4MQ | 8 | 61 | — | — | Available |
| WB4MR | 9 | 55 | — | — | Available |
| WB4MS | 9 | 53 | — | — | Available |
| WB4MT | 8 | 51 | — | — | Available |
| WB4MU | 9 | 55 | — | — | Available |
| WB4MV | 8 | 57 | — | — | Available |
| WB4MW | 8 | 57 | — | — | Available |
| WB4MX | 8 | 59 | — | — | Available |
| WB4MY | 8 | 61 | — | — | Available |
| WB4MZ | 8 | 59 | — | — | Available |
| WB4NA | 10 | 51 | — | — | Available |
| WB4NB | 10 | 55 | 2027-03-12 | — | Active (Vanity) |
| WB4NC | 10 | 57 | 2030-09-28 | — | Active (Vanity) |
| WB4ND | 10 | 53 | — | — | Available |
| WB4NE | 10 | 47 | — | — | Available |
| WB4NF | 10 | 55 | — | — | Available |
| WB4NG | 9 | 55 | — | — | Available |
| WB4NH | 10 | 53 | — | — | Available |
| WB4NI | 11 | 49 | — | — | Available |
| WB4NJ | 11 | 59 | — | — | Available |
| WB4NK | 10 | 55 | — | — | Available |
| WB4NL | 10 | 55 | — | — | Available |
| WB4NM | 9 | 53 | — | — | Available |
| WB4NN | 11 | 51 | — | — | Available |
| WB4NO | 10 | 57 | — | — | Available |
| WB4NP | 10 | 57 | — | — | Available |
| WB4NQ | 10 | 59 | — | — | Available |
| WB4NR | 11 | 53 | — | — | Available |
| WB4NS | 11 | 51 | — | — | Available |
| WB4NT | 10 | 49 | — | — | Available |
| WB4NU | 11 | 53 | — | — | Available |
| WB4NV | 10 | 55 | — | — | Available |
| WB4NW | 10 | 55 | — | — | Available |
| WB4NX | 10 | 57 | — | — | Available |
| WB4NY | 10 | 59 | — | — | Available |
| WB4NZ | 10 | 57 | — | — | Available |
| WB4OA | 9 | 57 | — | — | Available |
| WB4OB | 9 | 61 | — | — | Available |
| WB4OC | 9 | 63 | — | — | Available |
| WB4OD | 9 | 59 | — | — | Available |