District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4RZU | 11 | 57 | — | — | Available |
| W4RZV | 10 | 59 | — | — | Available |
| W4RZW | 10 | 59 | 2029-12-13 | — | Active (Vanity) |
| W4RZX | 10 | 61 | — | — | Available |
| W4RZY | 10 | 63 | — | — | Available |
| W4RZZ | 10 | 61 | 2032-04-06 | — | Active (Vanity) |
| W4SAA | 10 | 47 | 2030-06-20 | — | Active (Vanity) |
| W4SAB | 10 | 51 | 2029-12-08 | — | Active (Vanity) |
| W4SAC | 10 | 53 | 2029-03-10 | — | Active |
| W4SAD | 10 | 49 | 2030-03-21 | — | Active (Vanity) |
| W4SAE | 10 | 43 | 2028-12-04 | — | Active (Vanity) |
| W4SAF | 10 | 51 | 2027-04-21 | — | Active (Vanity) |
| W4SAG | 9 | 51 | 2028-03-03 | — | Active (Vanity) |
| W4SAH | 10 | 49 | 2034-09-16 | — | Active (Vanity) |
| W4SAI | 11 | 45 | 2022-09-13 | 2024-09-14 | Available |
| W4SAJ | 11 | 55 | 2034-03-29 | — | Active (Vanity) |
| W4SAK | 10 | 51 | 2024-04-05 | 2026-04-06 | Available |
| W4SAL | 10 | 51 | 2036-03-25 | — | Active (Vanity) |
| W4SAM | 9 | 49 | 2034-12-30 | — | Active (Vanity) |
| W4SAN | 11 | 47 | 2028-03-06 | — | Active (Vanity) |
| W4SAO | 10 | 53 | 2016-06-24 | 2018-06-25 | Available |
| W4SAP | 10 | 53 | 2035-01-21 | — | Active (Vanity) |
| W4SAQ | 10 | 55 | 2026-10-13 | — | Active |
| W4SAR | 11 | 49 | 2028-02-26 | — | Active (Vanity) |
| W4SAS | 11 | 47 | 2027-06-24 | — | Active |
| W4SAT | 10 | 45 | 2029-05-05 | — | Active (Vanity) |
| W4SAU | 11 | 49 | 1998-07-12 | 2000-07-13 | Available |
| W4SAV | 10 | 51 | 2027-06-17 | — | Active |
| W4SAW | 10 | 51 | 2031-03-30 | — | Active (Vanity) |
| W4SAX | 10 | 53 | 2027-01-30 | — | Active |
| W4SAY | 10 | 55 | 2031-07-10 | — | Active (Vanity) |
| W4SAZ | 10 | 53 | 2031-02-17 | — | Active (Vanity) |
| W4SBA | 10 | 51 | 2026-11-04 | — | Active (Vanity) |
| W4SBB | 10 | 55 | 2020-08-08 | 2022-08-09 | Available |
| W4SBC | 10 | 57 | 2029-01-07 | — | Active (Vanity) |
| W4SBD | 10 | 53 | 2034-09-27 | — | Active (Vanity) |
| W4SBE | 10 | 47 | 2034-08-05 | — | Active (Vanity) |
| W4SBF | 10 | 55 | 2031-08-27 | — | Active (Vanity) |
| W4SBG | 9 | 55 | 2024-08-24 | 2026-08-25 | Available |
| W4SBH | 10 | 53 | 2031-09-25 | — | Active (Vanity) |
| W4SBI | 11 | 49 | 2031-01-03 | — | Active (Vanity) |
| W4SBJ | 11 | 59 | 2006-01-31 | 2008-02-01 | Available |
| W4SBK | 10 | 55 | 2015-08-22 | 2017-08-23 | Available |
| W4SBL | 10 | 55 | 2033-06-10 | — | Active (Vanity) |
| W4SBM | 9 | 53 | 2033-04-01 | — | Active (Vanity) |
| W4SBN | 11 | 51 | 2024-08-09 | 2026-08-10 | Available |
| W4SBO | 10 | 57 | 2034-11-30 | — | Active (Vanity) |
| W4SBP | 10 | 57 | 2029-01-28 | — | Active (Vanity) |
| W4SBQ | 10 | 59 | 2005-11-28 | 2007-11-29 | Available |
| W4SBR | 11 | 53 | 2034-02-21 | — | Active (Vanity) |
| W4SBS | 11 | 51 | 2028-03-18 | — | Active (Vanity) |
| W4SBT | 10 | 49 | 2027-10-17 | — | Active (Vanity) |
| W4SBU | 11 | 53 | — | — | Available |
| W4SBV | 10 | 55 | 2020-07-27 | 2022-07-28 | Available |
| W4SBW | 10 | 55 | — | — | Available |
| W4SBX | 10 | 57 | 2034-09-17 | — | Active (Vanity) |
| W4SBY | 10 | 59 | — | — | Available |
| W4SBZ | 10 | 57 | — | — | Available |
| W4SCA | 10 | 53 | 2026-03-03 | — | Active (Vanity) |
| W4SCB | 10 | 57 | 2034-08-20 | — | Active (Vanity) |
| W4SCC | 10 | 59 | 2032-05-28 | — | Active (Vanity) |
| W4SCD | 10 | 55 | 2028-09-08 | — | Active (Vanity) |
| W4SCE | 10 | 49 | 2031-09-25 | — | Active (Vanity) |
| W4SCF | 10 | 57 | 2026-06-02 | 2028-06-03 | Canceled (grace period) |
| W4SCG | 9 | 57 | 2031-10-12 | — | Active (Vanity) |
| W4SCH | 10 | 55 | 2036-06-02 | — | Active (Vanity) |
| W4SCI | 11 | 51 | 2018-06-14 | 2020-06-15 | Available |
| W4SCJ | 11 | 61 | 2019-12-29 | 2021-12-30 | Available |
| W4SCK | 10 | 57 | — | — | Available |
| W4SCL | 10 | 57 | 2032-09-21 | — | Active (Vanity) |
| W4SCM | 9 | 55 | 2015-11-28 | 2017-11-29 | Available |
| W4SCN | 11 | 53 | 2025-06-20 | — | Active |
| W4SCO | 10 | 59 | 2027-08-05 | — | Active (Vanity) |
| W4SCP | 10 | 59 | 2030-09-11 | — | Active (Vanity) |
| W4SCQ | 10 | 61 | — | — | Available |
| W4SCR | 11 | 55 | 2027-07-11 | — | Active (Vanity) |
| W4SCS | 11 | 53 | 2027-12-02 | — | Active (Vanity) |
| W4SCT | 10 | 51 | 2030-02-19 | — | Active (Vanity) |
| W4SCU | 11 | 55 | 2035-06-15 | — | Active |
| W4SCV | 10 | 57 | 2033-01-24 | — | Active (Vanity) |
| W4SCW | 10 | 57 | 2021-09-22 | 2023-09-23 | Available |
| W4SCX | 10 | 59 | 2030-06-01 | — | Active (Vanity) |
| W4SCY | 10 | 61 | 2032-05-17 | — | Active (Vanity) |
| W4SCZ | 10 | 59 | 2029-11-15 | — | Active (Vanity) |
| W4SDA | 10 | 49 | 2032-11-26 | — | Active (Vanity) |
| W4SDB | 10 | 53 | 2023-01-07 | 2025-01-08 | Available |
| W4SDC | 10 | 55 | 2026-02-20 | 2028-02-21 | Canceled (grace period) |
| W4SDD | 10 | 51 | 2035-02-04 | — | Active (Vanity) |
| W4SDE | 10 | 45 | 1999-06-30 | 2001-07-01 | Available |
| W4SDF | 10 | 53 | 2032-11-26 | — | Active (Vanity) |
| W4SDG | 9 | 53 | 2024-05-17 | 2026-05-18 | Available |
| W4SDH | 10 | 51 | 2030-05-23 | — | Active (Vanity) |
| W4SDI | 11 | 47 | 2033-01-28 | — | Active (Vanity) |
| W4SDJ | 11 | 57 | 2031-07-06 | — | Active (Vanity) |
| W4SDK | 10 | 53 | 2034-02-17 | — | Active (Vanity) |
| W4SDL | 10 | 53 | 2027-12-18 | — | Active |
| W4SDM | 9 | 51 | 2027-12-14 | — | Active (Vanity) |
| W4SDN | 11 | 49 | 2033-03-31 | — | Active (Vanity) |
| W4SDO | 10 | 55 | 2030-03-26 | — | Active (Vanity) |
| W4SDP | 10 | 55 | 2028-02-28 | — | Active (Vanity) |