District 3
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W3UBR | 11 | 57 | — | — | Available |
| W3UBS | 11 | 55 | — | — | Available |
| W3UBT | 10 | 53 | — | — | Available |
| W3UBU | 11 | 57 | — | — | Available |
| W3UBV | 10 | 59 | — | — | Available |
| W3UBW | 10 | 59 | — | — | Available |
| W3UBX | 10 | 61 | 2006-04-05 | 2008-04-06 | Available |
| W3UBY | 10 | 63 | — | — | Available |
| W3UBZ | 10 | 61 | — | — | Available |
| W3UCA | 10 | 57 | 2030-05-16 | — | Active (Vanity) |
| W3UCB | 10 | 61 | — | — | Available |
| W3UCC | 10 | 63 | 2028-08-22 | — | Active (Vanity) |
| W3UCD | 10 | 59 | — | — | Available |
| W3UCE | 10 | 53 | — | — | Available |
| W3UCF | 10 | 61 | 2014-06-16 | 2016-06-17 | Available |
| W3UCG | 9 | 61 | 2021-10-08 | 2023-10-09 | Available |
| W3UCH | 10 | 59 | — | — | Available |
| W3UCI | 11 | 55 | — | — | Available |
| W3UCJ | 11 | 65 | — | — | Available |
| W3UCK | 10 | 61 | — | — | Available |
| W3UCL | 10 | 61 | — | — | Available |
| W3UCM | 9 | 59 | — | — | Available |
| W3UCN | 11 | 57 | — | — | Available |
| W3UCO | 10 | 63 | — | — | Available |
| W3UCP | 10 | 63 | — | — | Available |
| W3UCQ | 10 | 65 | — | — | Available |
| W3UCR | 11 | 59 | — | — | Available |
| W3UCS | 11 | 57 | — | — | Available |
| W3UCT | 10 | 55 | 2007-03-21 | 2009-03-22 | Available |
| W3UCU | 11 | 59 | — | — | Available |
| W3UCV | 10 | 61 | — | — | Available |
| W3UCW | 10 | 61 | 2013-10-12 | 2015-10-13 | Available |
| W3UCX | 10 | 63 | — | — | Available |
| W3UCY | 10 | 65 | 2018-05-09 | 2020-05-10 | Available |
| W3UCZ | 10 | 63 | — | — | Available |
| W3UDA | 10 | 53 | — | — | Available |
| W3UDB | 10 | 57 | — | — | Available |
| W3UDC | 10 | 59 | — | — | Available |
| W3UDD | 10 | 55 | — | — | Available |
| W3UDE | 10 | 49 | — | — | Available |
| W3UDF | 10 | 57 | 2008-03-12 | 2010-03-13 | Available |
| W3UDG | 9 | 57 | 2032-10-23 | — | Active (Vanity) |
| W3UDH | 10 | 55 | — | — | Available |
| W3UDI | 11 | 51 | — | — | Available |
| W3UDJ | 11 | 61 | — | — | Available |
| W3UDK | 10 | 57 | — | — | Available |
| W3UDL | 10 | 57 | — | — | Available |
| W3UDM | 9 | 55 | 2036-04-21 | — | Active (Vanity) |
| W3UDN | 11 | 53 | — | — | Available |
| W3UDO | 10 | 59 | — | — | Available |
| W3UDP | 10 | 59 | — | — | Available |
| W3UDQ | 10 | 61 | — | — | Available |
| W3UDR | 11 | 55 | — | — | Available |
| W3UDS | 11 | 53 | 2025-05-12 | — | Active |
| W3UDT | 10 | 51 | 2031-03-20 | — | Active (Vanity) |
| W3UDU | 11 | 55 | — | — | Available |
| W3UDV | 10 | 57 | — | — | Available |
| W3UDW | 10 | 57 | — | — | Available |
| W3UDX | 10 | 59 | 2034-08-24 | — | Active |
| W3UDY | 10 | 61 | — | — | Available |
| W3UDZ | 10 | 59 | — | — | Available |
| W3UEA | 10 | 47 | 2007-12-05 | 2009-12-06 | Available |
| W3UEB | 10 | 51 | — | — | Available |
| W3UEC | 10 | 53 | 2032-08-03 | — | Active (Vanity) |
| W3UED | 10 | 49 | — | — | Available |
| W3UEE | 10 | 43 | — | — | Available |
| W3UEF | 10 | 51 | — | — | Available |
| W3UEG | 9 | 51 | — | — | Available |
| W3UEH | 10 | 49 | — | — | Available |
| W3UEI | 11 | 45 | — | — | Available |
| W3UEJ | 11 | 55 | 1998-02-23 | 2000-02-24 | Available |
| W3UEK | 10 | 51 | — | — | Available |
| W3UEL | 10 | 51 | — | — | Available |
| W3UEM | 9 | 49 | — | — | Available |
| W3UEN | 11 | 47 | — | — | Available |
| W3UEO | 10 | 53 | — | — | Available |
| W3UEP | 10 | 53 | — | — | Available |
| W3UEQ | 10 | 55 | — | — | Available |
| W3UER | 11 | 49 | 2020-06-27 | 2022-06-28 | Available |
| W3UES | 11 | 47 | — | — | Available |
| W3UET | 10 | 45 | — | — | Available |
| W3UEU | 11 | 49 | — | — | Available |
| W3UEV | 10 | 51 | 2028-12-15 | — | Active (Vanity) |
| W3UEW | 10 | 51 | — | — | Available |
| W3UEX | 10 | 53 | — | — | Available |
| W3UEY | 10 | 55 | — | — | Available |
| W3UEZ | 10 | 53 | — | — | Available |
| W3UFA | 10 | 55 | — | — | Available |
| W3UFB | 10 | 59 | — | — | Available |
| W3UFC | 10 | 61 | — | — | Available |
| W3UFD | 10 | 57 | — | — | Available |
| W3UFE | 10 | 51 | — | — | Available |
| W3UFF | 10 | 59 | — | — | Available |
| W3UFG | 9 | 59 | — | — | Available |
| W3UFH | 10 | 57 | — | — | Available |
| W3UFI | 11 | 53 | — | — | Available |
| W3UFJ | 11 | 63 | — | — | Available |
| W3UFK | 10 | 59 | — | — | Available |
| W3UFL | 10 | 59 | — | — | Available |
| W3UFM | 9 | 57 | — | — | Available |