District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4BSO | 10 | 57 | 2029-09-06 | — | Active (Vanity) |
| W4BSP | 10 | 57 | 2029-02-20 | — | Active (Vanity) |
| W4BSQ | 10 | 59 | — | — | Available |
| W4BSR | 11 | 53 | 2034-08-27 | — | Active (Vanity) |
| W4BSS | 11 | 51 | 2030-08-10 | — | Active (Vanity) |
| W4BST | 10 | 49 | — | — | Available |
| W4BSU | 11 | 53 | — | — | Available |
| W4BSV | 10 | 55 | — | — | Available |
| W4BSW | 10 | 55 | — | — | Available |
| W4BSX | 10 | 57 | 2028-03-24 | — | Active (Vanity) |
| W4BSY | 10 | 59 | — | — | Available |
| W4BSZ | 10 | 57 | — | — | Available |
| W4BTA | 9 | 49 | 2035-03-13 | — | Active (Vanity) |
| W4BTB | 9 | 53 | 2029-06-16 | — | Active (Vanity) |
| W4BTC | 9 | 55 | 2036-04-22 | — | Active (Vanity) |
| W4BTD | 9 | 51 | — | — | Available |
| W4BTE | 9 | 45 | — | — | Available |
| W4BTF | 9 | 53 | 2036-09-07 | — | Active (Vanity) |
| W4BTG | 8 | 53 | 2028-03-19 | — | Active |
| W4BTH | 9 | 51 | 2030-06-09 | — | Active (Vanity) |
| W4BTI | 10 | 47 | 2026-12-09 | — | Active (Vanity) |
| W4BTJ | 10 | 57 | 2032-03-22 | — | Active (Vanity) |
| W4BTK | 9 | 53 | 2025-04-01 | 2027-04-02 | Canceled (grace period) |
| W4BTL | 9 | 53 | 2032-03-22 | — | Active (Vanity) |
| W4BTM | 8 | 51 | 2036-06-19 | — | Active (Vanity) |
| W4BTN | 10 | 49 | 2035-12-02 | — | Active (Vanity) |
| W4BTO | 9 | 55 | 2032-09-25 | — | Active (Vanity) |
| W4BTP | 9 | 55 | 2018-03-06 | 2020-03-07 | Available |
| W4BTQ | 9 | 57 | — | — | Available |
| W4BTR | 10 | 51 | 2024-09-14 | 2026-09-15 | Available |
| W4BTS | 10 | 49 | — | — | Available |
| W4BTT | 9 | 47 | 2035-06-21 | — | Active (Vanity) |
| W4BTU | 10 | 51 | 2032-08-17 | — | Active (Vanity) |
| W4BTV | 9 | 53 | — | — | Available |
| W4BTW | 9 | 53 | 2029-06-21 | — | Active (Vanity) |
| W4BTX | 9 | 55 | 2024-07-27 | 2026-07-28 | Available |
| W4BTY | 9 | 57 | 2009-11-14 | 2011-11-15 | Available |
| W4BTZ | 9 | 55 | 2025-03-27 | — | Active |
| W4BUA | 10 | 53 | 2014-07-15 | 2016-07-16 | Available |
| W4BUB | 10 | 57 | 2026-10-03 | — | Active (Vanity) |
| W4BUC | 10 | 59 | 2031-10-12 | — | Active (Vanity) |
| W4BUD | 10 | 55 | 2035-01-17 | — | Active |
| W4BUE | 10 | 49 | 2029-11-17 | — | Active (Vanity) |
| W4BUF | 10 | 57 | 2029-12-03 | — | Active (Vanity) |
| W4BUG | 9 | 57 | 2035-09-18 | — | Active (Vanity) |
| W4BUH | 10 | 55 | — | — | Available |
| W4BUI | 11 | 51 | — | — | Available |
| W4BUJ | 11 | 61 | 2027-11-14 | — | Active (Vanity) |
| W4BUK | 10 | 57 | 2028-02-06 | — | Active (Vanity) |
| W4BUL | 10 | 57 | 2026-07-16 | — | Active (Vanity) |
| W4BUM | 9 | 55 | 2026-11-21 | — | Active (Vanity) |
| W4BUN | 11 | 53 | — | — | Available |
| W4BUO | 10 | 59 | 2008-01-09 | 2010-01-10 | Available |
| W4BUP | 10 | 59 | 2019-05-25 | 2021-05-26 | Available |
| W4BUQ | 10 | 61 | — | — | Available |
| W4BUR | 11 | 55 | 2022-12-31 | 2025-01-01 | Available |
| W4BUS | 11 | 53 | 2031-05-25 | — | Active (Vanity) |
| W4BUT | 10 | 51 | 2034-05-15 | — | Active (Vanity) |
| W4BUU | 11 | 55 | — | — | Available |
| W4BUV | 10 | 57 | — | — | Available |
| W4BUW | 10 | 57 | 2028-06-11 | — | Active |
| W4BUX | 10 | 59 | 2018-03-25 | 2020-03-26 | Available |
| W4BUY | 10 | 61 | — | — | Available |
| W4BUZ | 10 | 59 | 2036-08-23 | — | Active (Vanity) |
| W4BVA | 9 | 55 | — | — | Available |
| W4BVB | 9 | 59 | 2022-10-07 | 2024-10-08 | Available |
| W4BVC | 9 | 61 | 2010-02-09 | 2012-02-10 | Available |
| W4BVD | 9 | 57 | 2029-12-10 | — | Active (Vanity) |
| W4BVE | 9 | 51 | 2008-03-08 | 2010-03-09 | Available |
| W4BVF | 9 | 59 | — | — | Available |
| W4BVG | 8 | 59 | 2013-04-05 | 2015-04-06 | Available |
| W4BVH | 9 | 57 | 2029-03-07 | — | Active |
| W4BVI | 10 | 53 | 2031-10-02 | — | Active (Vanity) |
| W4BVJ | 10 | 63 | — | — | Available |
| W4BVK | 9 | 59 | — | — | Available |
| W4BVL | 9 | 59 | 2004-03-29 | 2006-03-30 | Available |
| W4BVM | 8 | 57 | 2031-04-30 | — | Active (Vanity) |
| W4BVN | 10 | 55 | 2014-05-24 | 2016-05-25 | Available |
| W4BVO | 9 | 61 | — | — | Available |
| W4BVP | 9 | 61 | 2033-05-26 | — | Active (Vanity) |
| W4BVQ | 9 | 63 | 2019-04-21 | 2021-04-22 | Available |
| W4BVR | 10 | 57 | — | — | Available |
| W4BVS | 10 | 55 | — | — | Available |
| W4BVT | 9 | 53 | 2028-02-20 | — | Active (Vanity) |
| W4BVU | 10 | 57 | — | — | Available |
| W4BVV | 9 | 59 | 2027-07-17 | — | Active (Vanity) |
| W4BVW | 9 | 59 | — | — | Available |
| W4BVX | 9 | 61 | 2015-06-12 | 2017-06-13 | Available |
| W4BVY | 9 | 63 | — | — | Available |
| W4BVZ | 9 | 61 | — | — | Available |
| W4BWA | 9 | 55 | 2034-01-03 | — | Active (Vanity) |
| W4BWB | 9 | 59 | 2036-10-14 | — | Active (Vanity) |
| W4BWC | 9 | 61 | 2033-01-28 | — | Active (Vanity) |
| W4BWD | 9 | 57 | 2033-05-23 | — | Active (Vanity) |
| W4BWE | 9 | 51 | 2033-10-28 | — | Active (Vanity) |
| W4BWF | 9 | 59 | — | — | Available |
| W4BWG | 8 | 59 | 2036-01-03 | — | Active (Vanity) |
| W4BWH | 9 | 57 | 2028-06-19 | — | Active (Vanity) |
| W4BWI | 10 | 53 | 2025-01-11 | — | Active |
| W4BWJ | 10 | 63 | 2027-09-01 | — | Active (Vanity) |