District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4BYA | 9 | 59 | — | — | Available |
| K4BYB | 9 | 63 | 2036-01-03 | — | Active (Vanity) |
| K4BYC | 9 | 65 | — | — | Available |
| K4BYD | 9 | 61 | 2027-10-01 | — | Active |
| K4BYE | 9 | 55 | 2034-04-12 | — | Active (Vanity) |
| K4BYF | 9 | 63 | 2032-07-28 | — | Active |
| K4BYG | 8 | 63 | — | — | Available |
| K4BYH | 9 | 61 | — | — | Available |
| K4BYI | 10 | 57 | — | — | Available |
| K4BYJ | 10 | 67 | — | — | Available |
| K4BYK | 9 | 63 | 2032-04-19 | — | Active (Vanity) |
| K4BYL | 9 | 63 | 2031-11-22 | — | Active (Vanity) |
| K4BYM | 8 | 61 | — | — | Available |
| K4BYN | 10 | 59 | 2033-05-13 | — | Active (Vanity) |
| K4BYO | 9 | 65 | — | — | Available |
| K4BYP | 9 | 65 | — | — | Available |
| K4BYQ | 9 | 67 | — | — | Available |
| K4BYR | 10 | 61 | 2026-02-05 | — | Active |
| K4BYS | 10 | 59 | 2035-04-17 | — | Active (Vanity) |
| K4BYT | 9 | 57 | 2032-03-27 | — | Active (Vanity) |
| K4BYU | 10 | 61 | 2033-05-19 | — | Active (Vanity) |
| K4BYV | 9 | 63 | — | — | Available |
| K4BYW | 9 | 63 | — | — | Available |
| K4BYX | 9 | 65 | 2031-09-18 | — | Active (Vanity) |
| K4BYY | 9 | 67 | 2016-04-23 | 2018-04-24 | Available |
| K4BYZ | 9 | 65 | 2032-03-25 | — | Active (Vanity) |
| K4BZA | 9 | 57 | — | — | Available |
| K4BZB | 9 | 61 | 2033-04-11 | — | Active (Vanity) |
| K4BZC | 9 | 63 | — | — | Available |
| K4BZD | 9 | 59 | 2026-03-26 | — | Active |
| K4BZE | 9 | 53 | — | — | Available |
| K4BZF | 9 | 61 | — | — | Available |
| K4BZG | 8 | 61 | — | — | Available |
| K4BZH | 9 | 59 | — | — | Available |
| K4BZI | 10 | 55 | — | — | Available |
| K4BZJ | 10 | 65 | 2006-03-14 | 2008-03-15 | Available |
| K4BZK | 9 | 61 | 2025-01-20 | — | Active |
| K4BZL | 9 | 61 | — | — | Available |
| K4BZM | 8 | 59 | — | — | Available |
| K4BZN | 10 | 57 | — | — | Available |
| K4BZO | 9 | 63 | 2022-06-23 | 2024-06-24 | Available |
| K4BZP | 9 | 63 | — | — | Available |
| K4BZQ | 9 | 65 | — | — | Available |
| K4BZR | 10 | 59 | — | — | Available |
| K4BZS | 10 | 57 | 2035-01-11 | — | Active (Vanity) |
| K4BZT | 9 | 55 | 2034-08-24 | — | Active (Vanity) |
| K4BZU | 10 | 59 | — | — | Available |
| K4BZV | 9 | 61 | 2014-12-02 | 2016-12-03 | Available |
| K4BZW | 9 | 61 | — | — | Available |
| K4BZX | 9 | 63 | 2030-06-09 | — | Active (Vanity) |
| K4BZY | 9 | 65 | 2027-11-14 | — | Active (Vanity) |
| K4BZZ | 9 | 63 | 2036-07-15 | — | Active (Vanity) |
| K4CAA | 9 | 53 | 2029-07-06 | — | Active (Vanity) |
| K4CAB | 9 | 57 | 2029-03-19 | — | Active (Vanity) |
| K4CAC | 9 | 59 | 2033-08-29 | — | Active (Vanity) |
| K4CAD | 9 | 55 | 2025-01-25 | — | Active |
| K4CAE | 9 | 49 | 2030-06-04 | — | Active (Vanity) |
| K4CAF | 9 | 57 | 2034-12-02 | — | Active (Vanity) |
| K4CAG | 8 | 57 | 2036-05-13 | — | Active (Vanity) |
| K4CAH | 9 | 55 | 2036-09-29 | — | Active (Vanity) |
| K4CAI | 10 | 51 | 2006-09-11 | 2008-09-12 | Available |
| K4CAJ | 10 | 61 | 2027-07-04 | — | Active (Vanity) |
| K4CAK | 9 | 57 | — | — | Available |
| K4CAL | 9 | 57 | 2035-05-13 | — | Active (Vanity) |
| K4CAM | 8 | 55 | 2031-11-22 | — | Active (Vanity) |
| K4CAN | 10 | 53 | 2028-10-06 | — | Active (Vanity) |
| K4CAO | 9 | 59 | — | — | Available |
| K4CAP | 9 | 59 | 2025-09-02 | — | Active (Vanity) |
| K4CAQ | 9 | 61 | 2027-08-29 | — | Active (Vanity) |
| K4CAR | 10 | 55 | 2027-02-10 | — | Active |
| K4CAS | 10 | 53 | 2031-04-12 | — | Active (Vanity) |
| K4CAT | 9 | 51 | 2028-03-18 | — | Active (Vanity) |
| K4CAU | 10 | 55 | 2000-10-17 | 2002-10-18 | Available |
| K4CAV | 9 | 57 | 2028-07-22 | — | Active (Vanity) |
| K4CAW | 9 | 57 | 2030-02-27 | — | Active (Vanity) |
| K4CAX | 9 | 59 | — | — | Available |
| K4CAY | 9 | 61 | 2033-04-11 | — | Active (Vanity) |
| K4CAZ | 9 | 59 | 2028-08-17 | — | Active (Vanity) |
| K4CBA | 9 | 57 | 2026-12-28 | — | Active (Vanity) |
| K4CBB | 9 | 61 | — | — | Available |
| K4CBC | 9 | 63 | 2035-11-03 | — | Active (Vanity) |
| K4CBD | 9 | 59 | 2028-08-14 | — | Active (Vanity) |
| K4CBE | 9 | 53 | 2018-10-05 | 2020-10-06 | Available |
| K4CBF | 9 | 61 | 2029-06-11 | — | Active (Vanity) |
| K4CBG | 8 | 61 | 2030-04-07 | — | Active (Vanity) |
| K4CBH | 9 | 59 | 2030-11-13 | — | Active (Vanity) |
| K4CBI | 10 | 55 | 2025-11-28 | — | Active |
| K4CBJ | 10 | 65 | 2033-05-02 | — | Active (Vanity) |
| K4CBK | 9 | 61 | 2025-03-21 | — | Active |
| K4CBL | 9 | 61 | 2031-10-19 | — | Active (Vanity) |
| K4CBM | 8 | 59 | 2027-03-03 | — | Active (Vanity) |
| K4CBN | 10 | 57 | 2029-03-24 | — | Active (Vanity) |
| K4CBO | 9 | 63 | — | — | Available |
| K4CBP | 9 | 63 | 2028-06-05 | — | Active (Vanity) |
| K4CBQ | 9 | 65 | — | — | Available |
| K4CBR | 10 | 59 | 2027-07-25 | — | Active |
| K4CBS | 10 | 57 | 2021-01-09 | 2023-01-10 | Available |
| K4CBT | 9 | 55 | 2029-02-09 | — | Active (Vanity) |
| K4CBU | 10 | 59 | — | — | Available |
| K4CBV | 9 | 61 | — | — | Available |