District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WB4GM | 7 | 57 | 2016-11-26 | 2018-11-27 | Available |
| WB4GN | 9 | 55 | — | — | Available |
| WB4GO | 8 | 61 | — | — | Available |
| WB4GP | 8 | 61 | — | — | Available |
| WB4GQ | 8 | 63 | — | — | Available |
| WB4GR | 9 | 57 | 2025-10-15 | — | Active (Vanity) |
| WB4GS | 9 | 55 | 2029-04-26 | — | Active (Vanity) |
| WB4GT | 8 | 53 | 2035-01-03 | — | Active (Vanity) |
| WB4GU | 9 | 57 | — | — | Available |
| WB4GV | 8 | 59 | — | — | Available |
| WB4GW | 8 | 59 | — | — | Available |
| WB4GX | 8 | 61 | — | — | Available |
| WB4GY | 8 | 63 | — | — | Available |
| WB4GZ | 8 | 61 | — | — | Available |
| WB4HA | 9 | 53 | — | — | Available |
| WB4HB | 9 | 57 | — | — | Available |
| WB4HC | 9 | 59 | 2030-03-30 | — | Active (Vanity) |
| WB4HD | 9 | 55 | — | — | Available |
| WB4HE | 9 | 49 | — | — | Available |
| WB4HF | 9 | 57 | — | — | Available |
| WB4HG | 8 | 57 | 2011-02-05 | 2013-02-06 | Available |
| WB4HH | 9 | 55 | — | — | Available |
| WB4HI | 10 | 51 | — | — | Available |
| WB4HJ | 10 | 61 | — | — | Available |
| WB4HK | 9 | 57 | — | — | Available |
| WB4HL | 9 | 57 | — | — | Available |
| WB4HM | 8 | 55 | 2022-03-30 | 2024-03-31 | Available |
| WB4HN | 10 | 53 | 2028-04-14 | — | Active (Vanity) |
| WB4HO | 9 | 59 | — | — | Available |
| WB4HP | 9 | 59 | — | — | Available |
| WB4HQ | 9 | 61 | — | — | Available |
| WB4HR | 10 | 55 | — | — | Available |
| WB4HS | 10 | 53 | 2032-08-28 | — | Active (Vanity) |
| WB4HT | 9 | 51 | — | — | Available |
| WB4HU | 10 | 55 | — | — | Available |
| WB4HV | 9 | 57 | 2033-04-20 | — | Active (Vanity) |
| WB4HW | 9 | 57 | 2030-12-18 | — | Active (Vanity) |
| WB4HX | 9 | 59 | — | — | Available |
| WB4HY | 9 | 61 | — | — | Available |
| WB4HZ | 9 | 59 | — | — | Available |
| WB4IA | 10 | 49 | — | — | Available |
| WB4IB | 10 | 53 | — | — | Available |
| WB4IC | 10 | 55 | — | — | Available |
| WB4ID | 10 | 51 | — | — | Available |
| WB4IE | 10 | 45 | — | — | Available |
| WB4IF | 10 | 53 | — | — | Available |
| WB4IG | 9 | 53 | — | — | Available |
| WB4IH | 10 | 51 | — | — | Available |
| WB4II | 11 | 47 | — | — | Available |
| WB4IJ | 11 | 57 | — | — | Available |
| WB4IK | 10 | 53 | — | — | Available |
| WB4IL | 10 | 53 | — | — | Available |
| WB4IM | 9 | 51 | — | — | Available |
| WB4IN | 11 | 49 | — | — | Available |
| WB4IO | 10 | 55 | — | — | Available |
| WB4IP | 10 | 55 | — | — | Available |
| WB4IQ | 10 | 57 | — | — | Available |
| WB4IR | 11 | 51 | 2029-03-29 | — | Active (Vanity) |
| WB4IS | 11 | 49 | — | — | Available |
| WB4IT | 10 | 47 | 2033-06-25 | — | Active (Vanity) |
| WB4IU | 11 | 51 | — | — | Available |
| WB4IV | 10 | 53 | — | — | Available |
| WB4IW | 10 | 53 | — | — | Available |
| WB4IX | 10 | 55 | — | — | Available |
| WB4IY | 10 | 57 | — | — | Available |
| WB4IZ | 10 | 55 | — | — | Available |
| WB4JA | 10 | 59 | — | — | Available |
| WB4JB | 10 | 63 | 2033-04-18 | — | Active (Vanity) |
| WB4JC | 10 | 65 | 2033-04-13 | — | Active (Vanity) |
| WB4JD | 10 | 61 | 2022-07-20 | 2024-07-21 | Available |
| WB4JE | 10 | 55 | — | — | Available |
| WB4JF | 10 | 63 | — | — | Available |
| WB4JG | 9 | 63 | — | — | Available |
| WB4JH | 10 | 61 | — | — | Available |
| WB4JI | 11 | 57 | — | — | Available |
| WB4JJ | 11 | 67 | 2024-05-20 | 2026-05-21 | Available |
| WB4JK | 10 | 63 | — | — | Available |
| WB4JL | 10 | 63 | 2030-08-11 | — | Active (Vanity) |
| WB4JM | 9 | 61 | 2025-12-09 | 2027-12-10 | Canceled (grace period) |
| WB4JN | 11 | 59 | 2027-07-20 | — | Active (Vanity) |
| WB4JO | 10 | 65 | — | — | Available |
| WB4JP | 10 | 65 | — | — | Available |
| WB4JQ | 10 | 67 | — | — | Available |
| WB4JR | 11 | 61 | 2027-06-06 | — | Active (Vanity) |
| WB4JS | 11 | 59 | — | — | Available |
| WB4JT | 10 | 57 | — | — | Available |
| WB4JU | 11 | 61 | — | — | Available |
| WB4JV | 10 | 63 | 2035-10-14 | — | Active (Vanity) |
| WB4JW | 10 | 63 | — | — | Available |
| WB4JX | 10 | 65 | — | — | Available |
| WB4JY | 10 | 67 | — | — | Available |
| WB4JZ | 10 | 65 | — | — | Available |
| WB4KA | 9 | 55 | — | — | Available |
| WB4KB | 9 | 59 | — | — | Available |
| WB4KC | 9 | 61 | — | — | Available |
| WB4KD | 9 | 57 | — | — | Available |
| WB4KE | 9 | 51 | — | — | Available |
| WB4KF | 9 | 59 | — | — | Available |
| WB4KG | 8 | 59 | — | — | Available |
| WB4KH | 9 | 57 | — | — | Available |