District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4BJT | 11 | 53 | 2027-08-08 | — | Active (Vanity) |
| N4BJU | 12 | 57 | — | — | Available |
| N4BJV | 11 | 59 | — | — | Available |
| N4BJW | 11 | 59 | 2033-06-22 | — | Active (Vanity) |
| N4BJX | 11 | 61 | 2021-07-02 | 2023-07-03 | Available |
| N4BJY | 11 | 63 | — | — | Available |
| N4BJZ | 11 | 61 | 2028-03-16 | — | Active (Vanity) |
| N4BKA | 10 | 51 | 2028-01-23 | — | Active |
| N4BKB | 10 | 55 | — | — | Available |
| N4BKC | 10 | 57 | 2030-06-19 | — | Active (Vanity) |
| N4BKD | 10 | 53 | 2034-03-26 | — | Active (Vanity) |
| N4BKE | 10 | 47 | — | — | Available |
| N4BKF | 10 | 55 | 2024-05-31 | 2026-06-01 | Available |
| N4BKG | 9 | 55 | 2026-01-22 | — | Active |
| N4BKH | 10 | 53 | 2029-08-02 | — | Active (Vanity) |
| N4BKI | 11 | 49 | 2033-01-10 | — | Active |
| N4BKJ | 11 | 59 | — | — | Available |
| N4BKK | 10 | 55 | 2027-08-15 | — | Active (Vanity) |
| N4BKL | 10 | 55 | — | — | Available |
| N4BKM | 9 | 53 | 2026-01-24 | — | Active |
| N4BKN | 11 | 51 | 2036-07-21 | — | Active |
| N4BKO | 10 | 57 | — | — | Available |
| N4BKP | 10 | 57 | 2029-05-26 | — | Active (Vanity) |
| N4BKQ | 10 | 59 | — | — | Available |
| N4BKR | 11 | 53 | 2029-04-26 | — | Active (Vanity) |
| N4BKS | 11 | 51 | 2028-04-20 | — | Active |
| N4BKT | 10 | 49 | 2027-06-07 | — | Active |
| N4BKU | 11 | 53 | — | — | Available |
| N4BKV | 10 | 55 | 2027-01-02 | — | Active |
| N4BKW | 10 | 55 | 2034-12-03 | — | Active |
| N4BKX | 10 | 57 | 2033-04-04 | — | Active (Vanity) |
| N4BKY | 10 | 59 | 2034-04-16 | — | Active (Vanity) |
| N4BKZ | 10 | 57 | 2034-05-24 | — | Active |
| N4BLA | 10 | 51 | 2026-08-05 | — | Active |
| N4BLB | 10 | 55 | 2035-03-04 | — | Active |
| N4BLC | 10 | 57 | 2036-12-26 | — | Active |
| N4BLD | 10 | 53 | 2028-03-19 | — | Active |
| N4BLE | 10 | 47 | 2035-06-06 | — | Active (Vanity) |
| N4BLF | 10 | 55 | 2034-07-20 | — | Active (Vanity) |
| N4BLG | 9 | 55 | 2024-05-24 | 2026-05-25 | Available |
| N4BLH | 10 | 53 | 2026-12-20 | — | Active (Vanity) |
| N4BLI | 11 | 49 | — | — | Available |
| N4BLJ | 11 | 59 | 2020-05-04 | 2022-05-05 | Available |
| N4BLK | 10 | 55 | 2021-03-22 | 2023-03-23 | Available |
| N4BLL | 10 | 55 | 2034-07-31 | — | Active |
| N4BLM | 9 | 53 | 2026-12-05 | — | Active |
| N4BLN | 11 | 51 | 2034-09-22 | — | Active |
| N4BLO | 10 | 57 | 2006-11-04 | 2008-11-05 | Available |
| N4BLP | 10 | 57 | — | — | Available |
| N4BLQ | 10 | 59 | 2024-03-15 | 2026-03-16 | Available |
| N4BLR | 11 | 53 | 2025-09-07 | — | Active |
| N4BLS | 11 | 51 | 2034-02-24 | — | Active (Vanity) |
| N4BLT | 10 | 49 | 2024-03-05 | 2026-03-06 | Available |
| N4BLU | 11 | 53 | 2028-01-30 | — | Active |
| N4BLV | 10 | 55 | — | — | Available |
| N4BLW | 10 | 55 | 2008-11-09 | 2010-11-10 | Available |
| N4BLX | 10 | 57 | 2031-12-21 | — | Active (Vanity) |
| N4BLY | 10 | 59 | 2027-05-15 | — | Active (Vanity) |
| N4BLZ | 10 | 57 | 2028-07-25 | — | Active (Vanity) |
| N4BMA | 9 | 49 | 2035-12-19 | — | Active (Vanity) |
| N4BMB | 9 | 53 | — | — | Available |
| N4BMC | 9 | 55 | 2029-07-16 | — | Active (Vanity) |
| N4BMD | 9 | 51 | 2001-07-16 | 2003-07-17 | Available |
| N4BME | 9 | 45 | 2032-07-28 | — | Active |
| N4BMF | 9 | 53 | 2029-12-21 | — | Active (Vanity) |
| N4BMG | 8 | 53 | 2030-08-28 | — | Active |
| N4BMH | 9 | 51 | 2035-08-29 | — | Active (Vanity) |
| N4BMI | 10 | 47 | 2000-10-14 | 2002-10-15 | Available |
| N4BMJ | 10 | 57 | 2002-04-04 | 2004-04-05 | Available |
| N4BMK | 9 | 53 | — | — | Available |
| N4BML | 9 | 53 | 2007-06-16 | 2009-06-17 | Available |
| N4BMM | 8 | 51 | 2032-01-29 | — | Active (Vanity) |
| N4BMN | 10 | 49 | — | — | Available |
| N4BMO | 9 | 55 | — | — | Available |
| N4BMP | 9 | 55 | 2023-02-20 | 2025-02-21 | Available |
| N4BMQ | 9 | 57 | 2006-12-03 | 2008-12-04 | Available |
| N4BMR | 10 | 51 | 2026-06-06 | — | Active |
| N4BMS | 10 | 49 | 2019-05-27 | 2021-05-28 | Available |
| N4BMT | 9 | 47 | 2031-11-11 | — | Active (Vanity) |
| N4BMU | 10 | 51 | 2011-06-14 | 2013-06-15 | Available |
| N4BMV | 9 | 53 | 2014-07-06 | 2016-07-07 | Available |
| N4BMW | 9 | 53 | 2027-10-14 | — | Active (Vanity) |
| N4BMX | 9 | 55 | 2028-05-05 | — | Active (Vanity) |
| N4BMY | 9 | 57 | 2004-03-08 | 2006-03-09 | Available |
| N4BMZ | 9 | 55 | — | — | Available |
| N4BNA | 11 | 47 | 2036-04-19 | — | Active (Vanity) |
| N4BNB | 11 | 51 | — | — | Available |
| N4BNC | 11 | 53 | 2031-04-27 | — | Active (Vanity) |
| N4BND | 11 | 49 | 2027-02-13 | — | Active (Vanity) |
| N4BNE | 11 | 43 | 2007-02-13 | 2009-02-14 | Available |
| N4BNF | 11 | 51 | 2034-12-24 | — | Active (Vanity) |
| N4BNG | 10 | 51 | 2004-04-19 | 2006-04-20 | Available |
| N4BNH | 11 | 49 | 2033-11-07 | — | Active (Vanity) |
| N4BNI | 12 | 45 | 2008-09-04 | 2010-09-05 | Available |
| N4BNJ | 12 | 55 | — | — | Available |
| N4BNK | 11 | 51 | — | — | Available |
| N4BNL | 11 | 51 | 2000-02-18 | 2002-02-19 | Available |
| N4BNM | 10 | 49 | 2020-07-11 | 2022-07-12 | Available |
| N4BNN | 12 | 47 | 2014-05-24 | 2016-05-25 | Available |
| N4BNO | 11 | 53 | 2032-04-14 | — | Active |