District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WR4KU | 11 | 55 | — | — | Available |
| WR4KV | 10 | 57 | — | — | Available |
| WR4KW | 10 | 57 | — | — | Available |
| WR4KX | 10 | 59 | — | — | Available |
| WR4KY | 10 | 61 | — | — | Available |
| WR4KZ | 10 | 59 | — | — | Available |
| WR4LA | 10 | 53 | — | — | Available |
| WR4LB | 10 | 57 | — | — | Available |
| WR4LC | 10 | 59 | — | — | Available |
| WR4LD | 10 | 55 | — | — | Available |
| WR4LE | 10 | 49 | 2006-06-10 | 2008-06-11 | Available |
| WR4LF | 10 | 57 | — | — | Available |
| WR4LG | 9 | 57 | — | — | Available |
| WR4LH | 10 | 55 | — | — | Available |
| WR4LI | 11 | 51 | — | — | Available |
| WR4LJ | 11 | 61 | — | — | Available |
| WR4LK | 10 | 57 | — | — | Available |
| WR4LL | 10 | 57 | — | — | Available |
| WR4LM | 9 | 55 | — | — | Available |
| WR4LN | 11 | 53 | — | — | Available |
| WR4LO | 10 | 59 | — | — | Available |
| WR4LP | 10 | 59 | — | — | Available |
| WR4LQ | 10 | 61 | — | — | Available |
| WR4LR | 11 | 55 | — | — | Available |
| WR4LS | 11 | 53 | — | — | Available |
| WR4LT | 10 | 51 | 2033-05-06 | — | Active (Vanity) |
| WR4LU | 11 | 55 | — | — | Available |
| WR4LV | 10 | 57 | — | — | Available |
| WR4LW | 10 | 57 | 2032-09-04 | — | Active (Vanity) |
| WR4LX | 10 | 59 | — | — | Available |
| WR4LY | 10 | 61 | — | — | Available |
| WR4LZ | 10 | 59 | — | — | Available |
| WR4MA | 9 | 51 | — | — | Available |
| WR4MB | 9 | 55 | — | — | Available |
| WR4MC | 9 | 57 | 2031-09-27 | — | Active (Vanity) |
| WR4MD | 9 | 53 | — | — | Available |
| WR4ME | 9 | 47 | — | — | Available |
| WR4MF | 9 | 55 | — | — | Available |
| WR4MG | 8 | 55 | 2027-02-12 | — | Active (Vanity) |
| WR4MH | 9 | 53 | — | — | Available |
| WR4MI | 10 | 49 | — | — | Available |
| WR4MJ | 10 | 59 | — | — | Available |
| WR4MK | 9 | 55 | — | — | Available |
| WR4ML | 9 | 55 | — | — | Available |
| WR4MM | 8 | 53 | — | — | Available |
| WR4MN | 10 | 51 | — | — | Available |
| WR4MO | 9 | 57 | — | — | Available |
| WR4MP | 9 | 57 | — | — | Available |
| WR4MQ | 9 | 59 | — | — | Available |
| WR4MR | 10 | 53 | — | — | Available |
| WR4MS | 10 | 51 | 2035-07-19 | — | Active (Vanity) |
| WR4MT | 9 | 49 | 2027-03-30 | — | Active (Vanity) |
| WR4MU | 10 | 53 | — | — | Available |
| WR4MV | 9 | 55 | — | — | Available |
| WR4MW | 9 | 55 | — | — | Available |
| WR4MX | 9 | 57 | — | — | Available |
| WR4MY | 9 | 59 | — | — | Available |
| WR4MZ | 9 | 57 | — | — | Available |
| WR4NA | 11 | 49 | — | — | Available |
| WR4NB | 11 | 53 | — | — | Available |
| WR4NC | 11 | 55 | — | — | Available |
| WR4ND | 11 | 51 | — | — | Available |
| WR4NE | 11 | 45 | — | — | Available |
| WR4NF | 11 | 53 | — | — | Available |
| WR4NG | 10 | 53 | — | — | Available |
| WR4NH | 11 | 51 | — | — | Available |
| WR4NI | 12 | 47 | — | — | Available |
| WR4NJ | 12 | 57 | — | — | Available |
| WR4NK | 11 | 53 | — | — | Available |
| WR4NL | 11 | 53 | — | — | Available |
| WR4NM | 10 | 51 | — | — | Available |
| WR4NN | 12 | 49 | — | — | Available |
| WR4NO | 11 | 55 | — | — | Available |
| WR4NP | 11 | 55 | — | — | Available |
| WR4NQ | 11 | 57 | — | — | Available |
| WR4NR | 12 | 51 | — | — | Available |
| WR4NS | 12 | 49 | — | — | Available |
| WR4NT | 11 | 47 | — | — | Available |
| WR4NU | 12 | 51 | — | — | Available |
| WR4NV | 11 | 53 | — | — | Available |
| WR4NW | 11 | 53 | — | — | Available |
| WR4NX | 11 | 55 | — | — | Available |
| WR4NY | 11 | 57 | — | — | Available |
| WR4NZ | 11 | 55 | — | — | Available |
| WR4OA | 10 | 55 | — | — | Available |
| WR4OB | 10 | 59 | — | — | Available |
| WR4OC | 10 | 61 | — | — | Available |
| WR4OD | 10 | 57 | — | — | Available |
| WR4OE | 10 | 51 | — | — | Available |
| WR4OF | 10 | 59 | — | — | Available |
| WR4OG | 9 | 59 | 2024-03-05 | 2026-03-06 | Available |
| WR4OH | 10 | 57 | — | — | Available |
| WR4OI | 11 | 53 | — | — | Available |
| WR4OJ | 11 | 63 | — | — | Available |
| WR4OK | 10 | 59 | — | — | Available |
| WR4OL | 10 | 59 | — | — | Available |
| WR4OM | 9 | 57 | — | — | Available |
| WR4ON | 11 | 55 | — | — | Available |
| WR4OO | 10 | 61 | — | — | Available |
| WR4OP | 10 | 61 | — | — | Available |