District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4TNX | 10 | 51 | 2032-08-07 | — | Active (Vanity) |
| K4TNY | 10 | 53 | 2035-12-23 | — | Active (Vanity) |
| K4TNZ | 10 | 51 | 2030-12-21 | — | Active (Vanity) |
| K4TOA | 9 | 51 | — | — | Available |
| K4TOB | 9 | 55 | 2033-08-25 | — | Active (Vanity) |
| K4TOC | 9 | 57 | 2032-04-22 | — | Active (Vanity) |
| K4TOD | 9 | 53 | 2028-01-07 | — | Active (Vanity) |
| K4TOE | 9 | 47 | 2031-02-17 | — | Active (Vanity) |
| K4TOF | 9 | 55 | 2001-01-03 | 2003-01-04 | Available |
| K4TOG | 8 | 55 | 2030-10-09 | — | Active (Vanity) |
| K4TOH | 9 | 53 | — | — | Available |
| K4TOI | 10 | 49 | 2029-04-08 | — | Active (Vanity) |
| K4TOJ | 10 | 59 | 2030-10-22 | — | Active (Vanity) |
| K4TOK | 9 | 55 | 2031-02-01 | — | Active (Vanity) |
| K4TOL | 9 | 55 | 2030-01-01 | — | Active (Vanity) |
| K4TOM | 8 | 53 | 2036-12-04 | — | Active (Vanity) |
| K4TON | 10 | 51 | 2028-04-13 | — | Active (Vanity) |
| K4TOO | 9 | 57 | 2027-01-24 | — | Active (Vanity) |
| K4TOP | 9 | 57 | 2035-02-27 | — | Active (Vanity) |
| K4TOQ | 9 | 59 | 2036-02-06 | — | Active (Vanity) |
| K4TOR | 10 | 53 | 2033-03-04 | — | Active (Vanity) |
| K4TOS | 10 | 51 | 2024-07-08 | 2026-07-09 | Available |
| K4TOT | 9 | 49 | 2022-04-16 | 2024-04-17 | Available |
| K4TOU | 10 | 53 | 2004-11-22 | 2006-11-23 | Available |
| K4TOV | 9 | 55 | — | — | Available |
| K4TOW | 9 | 55 | 2034-11-04 | — | Active (Vanity) |
| K4TOX | 9 | 57 | 2020-09-21 | 2022-09-22 | Available |
| K4TOY | 9 | 59 | 2026-10-04 | — | Active (Vanity) |
| K4TOZ | 9 | 57 | — | — | Available |
| K4TPA | 9 | 51 | 2027-01-10 | — | Active |
| K4TPB | 9 | 55 | 2032-04-02 | — | Active (Vanity) |
| K4TPC | 9 | 57 | 2031-10-15 | — | Active (Vanity) |
| K4TPD | 9 | 53 | 2028-06-24 | — | Active (Vanity) |
| K4TPE | 9 | 47 | 2035-10-12 | — | Active |
| K4TPF | 9 | 55 | 2028-08-19 | — | Active (Vanity) |
| K4TPG | 8 | 55 | 2008-09-29 | 2010-09-30 | Available |
| K4TPH | 9 | 53 | 2031-10-01 | — | Active (Vanity) |
| K4TPI | 10 | 49 | — | — | Available |
| K4TPJ | 10 | 59 | 2015-09-08 | 2017-09-09 | Available |
| K4TPK | 9 | 55 | — | — | Available |
| K4TPL | 9 | 55 | — | — | Available |
| K4TPM | 8 | 53 | 2036-03-05 | — | Active (Vanity) |
| K4TPN | 10 | 51 | 2026-02-15 | — | Active |
| K4TPO | 9 | 57 | 2005-08-27 | 2009-08-02 | Available |
| K4TPP | 9 | 57 | 2029-09-27 | — | Active (Vanity) |
| K4TPQ | 9 | 59 | 1998-12-06 | 2000-12-07 | Available |
| K4TPR | 10 | 53 | 2026-02-16 | — | Active |
| K4TPS | 10 | 51 | 2031-08-27 | — | Active (Vanity) |
| K4TPT | 9 | 49 | 2030-01-28 | — | Active (Vanity) |
| K4TPU | 10 | 53 | — | — | Available |
| K4TPV | 9 | 55 | — | — | Available |
| K4TPW | 9 | 55 | 2025-03-02 | — | Active (Vanity) |
| K4TPX | 9 | 57 | 2025-11-18 | — | Active |
| K4TPY | 9 | 59 | — | — | Available |
| K4TPZ | 9 | 57 | — | — | Available |
| K4TQA | 9 | 53 | — | — | Available |
| K4TQB | 9 | 57 | — | — | Available |
| K4TQC | 9 | 59 | 2036-12-20 | — | Active (Vanity) |
| K4TQD | 9 | 55 | — | — | Available |
| K4TQE | 9 | 49 | — | — | Available |
| K4TQF | 9 | 57 | 2034-04-01 | — | Active (Vanity) |
| K4TQG | 8 | 57 | — | — | Available |
| K4TQH | 9 | 55 | 2022-05-28 | 2024-05-29 | Available |
| K4TQI | 10 | 51 | 2020-11-07 | 2022-11-08 | Available |
| K4TQJ | 10 | 61 | — | — | Available |
| K4TQK | 9 | 57 | 2023-06-21 | 2025-06-22 | Available |
| K4TQL | 9 | 57 | 2026-11-05 | — | Active |
| K4TQM | 8 | 55 | — | — | Available |
| K4TQN | 10 | 53 | — | — | Available |
| K4TQO | 9 | 59 | — | — | Available |
| K4TQP | 9 | 59 | — | — | Available |
| K4TQQ | 9 | 61 | — | — | Available |
| K4TQR | 10 | 55 | 2033-09-12 | — | Active (Vanity) |
| K4TQS | 10 | 53 | — | — | Available |
| K4TQT | 9 | 51 | — | — | Available |
| K4TQU | 10 | 55 | 2030-01-09 | — | Active |
| K4TQV | 9 | 57 | — | — | Available |
| K4TQW | 9 | 57 | — | — | Available |
| K4TQX | 9 | 59 | — | — | Available |
| K4TQY | 9 | 61 | — | — | Available |
| K4TQZ | 9 | 59 | — | — | Available |
| K4TRA | 10 | 47 | 2036-04-02 | — | Active (Vanity) |
| K4TRB | 10 | 51 | 2030-03-07 | — | Active (Vanity) |
| K4TRC | 10 | 53 | 2035-01-22 | — | Active (Vanity) |
| K4TRD | 10 | 49 | 2029-11-22 | — | Active (Vanity) |
| K4TRE | 10 | 43 | — | — | Available |
| K4TRF | 10 | 51 | 2030-07-24 | — | Active (Vanity) |
| K4TRG | 9 | 51 | 2030-07-01 | — | Active (Vanity) |
| K4TRH | 10 | 49 | 2029-08-06 | — | Active |
| K4TRI | 11 | 45 | 2028-03-18 | — | Active (Vanity) |
| K4TRJ | 11 | 55 | 2031-02-24 | — | Active (Vanity) |
| K4TRK | 10 | 51 | 2036-04-05 | — | Active (Vanity) |
| K4TRL | 10 | 51 | 2029-07-06 | — | Active (Vanity) |
| K4TRM | 9 | 49 | 2029-01-08 | — | Active (Vanity) |
| K4TRN | 11 | 47 | 2035-05-03 | — | Active |
| K4TRO | 10 | 53 | 2033-01-14 | — | Active (Vanity) |
| K4TRP | 10 | 53 | 2023-08-12 | 2025-08-13 | Available |
| K4TRQ | 10 | 55 | — | — | Available |
| K4TRR | 11 | 49 | 2034-04-20 | — | Active (Vanity) |
| K4TRS | 11 | 47 | 2036-01-28 | — | Active (Vanity) |