District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WA4YU | 10 | 57 | — | — | Available |
| WA4YV | 9 | 59 | — | — | Available |
| WA4YW | 9 | 59 | — | — | Available |
| WA4YX | 9 | 61 | — | — | Available |
| WA4YY | 9 | 63 | — | — | Available |
| WA4YZ | 9 | 61 | — | — | Available |
| WA4ZA | 9 | 53 | — | — | Available |
| WA4ZB | 9 | 57 | — | — | Available |
| WA4ZC | 9 | 59 | — | — | Available |
| WA4ZD | 9 | 55 | 2030-10-03 | — | Active (Vanity) |
| WA4ZE | 9 | 49 | — | — | Available |
| WA4ZF | 9 | 57 | — | — | Available |
| WA4ZG | 8 | 57 | — | — | Available |
| WA4ZH | 9 | 55 | — | — | Available |
| WA4ZI | 10 | 51 | — | — | Available |
| WA4ZJ | 10 | 61 | — | — | Available |
| WA4ZK | 9 | 57 | — | — | Available |
| WA4ZL | 9 | 57 | 2032-04-12 | — | Active (Vanity) |
| WA4ZM | 8 | 55 | — | — | Available |
| WA4ZN | 10 | 53 | — | — | Available |
| WA4ZO | 9 | 59 | — | — | Available |
| WA4ZP | 9 | 59 | — | — | Available |
| WA4ZQ | 9 | 61 | — | — | Available |
| WA4ZR | 10 | 55 | — | — | Available |
| WA4ZS | 10 | 53 | — | — | Available |
| WA4ZT | 9 | 51 | — | — | Available |
| WA4ZU | 10 | 55 | — | — | Available |
| WA4ZV | 9 | 57 | — | — | Available |
| WA4ZW | 9 | 57 | — | — | Available |
| WA4ZX | 9 | 59 | — | — | Available |
| WA4ZY | 9 | 61 | — | — | Available |
| WA4ZZ | 9 | 59 | 2035-02-20 | — | Active (Vanity) |
| WB4AA | 9 | 51 | 2034-03-08 | — | Active (Vanity) |
| WB4AB | 9 | 55 | 2032-02-05 | — | Active (Vanity) |
| WB4AC | 9 | 57 | — | — | Available |
| WB4AD | 9 | 53 | — | — | Available |
| WB4AE | 9 | 47 | — | — | Available |
| WB4AF | 9 | 55 | — | — | Available |
| WB4AG | 8 | 55 | — | — | Available |
| WB4AH | 9 | 53 | — | — | Available |
| WB4AI | 10 | 49 | — | — | Available |
| WB4AJ | 10 | 59 | — | — | Available |
| WB4AK | 9 | 55 | — | — | Available |
| WB4AL | 9 | 55 | — | — | Available |
| WB4AM | 8 | 53 | 2034-11-14 | — | Active (Vanity) |
| WB4AN | 10 | 51 | — | — | Available |
| WB4AO | 9 | 57 | — | — | Available |
| WB4AP | 9 | 57 | — | — | Available |
| WB4AQ | 9 | 59 | — | — | Available |
| WB4AR | 10 | 53 | — | — | Available |
| WB4AS | 10 | 51 | — | — | Available |
| WB4AT | 9 | 49 | 2024-03-31 | 2026-04-01 | Available |
| WB4AU | 10 | 53 | 2029-03-31 | — | Active (Vanity) |
| WB4AV | 9 | 55 | — | — | Available |
| WB4AW | 9 | 55 | — | — | Available |
| WB4AX | 9 | 57 | — | — | Available |
| WB4AY | 9 | 59 | — | — | Available |
| WB4AZ | 9 | 57 | — | — | Available |
| WB4BA | 9 | 55 | — | — | Available |
| WB4BB | 9 | 59 | 2028-12-15 | — | Active (Vanity) |
| WB4BC | 9 | 61 | — | — | Available |
| WB4BD | 9 | 57 | — | — | Available |
| WB4BE | 9 | 51 | — | — | Available |
| WB4BF | 9 | 59 | — | — | Available |
| WB4BG | 8 | 59 | — | — | Available |
| WB4BH | 9 | 57 | — | — | Available |
| WB4BI | 10 | 53 | — | — | Available |
| WB4BJ | 10 | 63 | — | — | Available |
| WB4BK | 9 | 59 | — | — | Available |
| WB4BL | 9 | 59 | — | — | Available |
| WB4BM | 8 | 57 | — | — | Available |
| WB4BN | 10 | 55 | — | — | Available |
| WB4BO | 9 | 61 | — | — | Available |
| WB4BP | 9 | 61 | — | — | Available |
| WB4BQ | 9 | 63 | — | — | Available |
| WB4BR | 10 | 57 | — | — | Available |
| WB4BS | 10 | 55 | — | — | Available |
| WB4BT | 9 | 53 | 2012-12-29 | 2014-12-30 | Available |
| WB4BU | 10 | 57 | — | — | Available |
| WB4BV | 9 | 59 | — | — | Available |
| WB4BW | 9 | 59 | 2025-07-23 | — | Active (Vanity) |
| WB4BX | 9 | 61 | — | — | Available |
| WB4BY | 9 | 63 | — | — | Available |
| WB4BZ | 9 | 61 | — | — | Available |
| WB4CA | 9 | 57 | — | — | Available |
| WB4CB | 9 | 61 | — | — | Available |
| WB4CC | 9 | 63 | 2023-01-01 | 2025-01-02 | Available |
| WB4CD | 9 | 59 | — | — | Available |
| WB4CE | 9 | 53 | — | — | Available |
| WB4CF | 9 | 61 | — | — | Available |
| WB4CG | 8 | 61 | — | — | Available |
| WB4CH | 9 | 59 | — | — | Available |
| WB4CI | 10 | 55 | — | — | Available |
| WB4CJ | 10 | 65 | — | — | Available |
| WB4CK | 9 | 61 | — | — | Available |
| WB4CL | 9 | 61 | 2036-05-24 | — | Active (Vanity) |
| WB4CM | 8 | 59 | 2035-03-15 | — | Active (Vanity) |
| WB4CN | 10 | 57 | — | — | Available |
| WB4CO | 9 | 63 | — | — | Available |
| WB4CP | 9 | 63 | 2029-01-01 | — | Active (Vanity) |