District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4BNP | 11 | 53 | 2002-05-21 | 2004-05-22 | Available |
| N4BNQ | 11 | 55 | 2024-09-14 | 2026-09-15 | Available |
| N4BNR | 12 | 49 | — | — | Available |
| N4BNS | 12 | 47 | 2033-12-14 | — | Active |
| N4BNT | 11 | 45 | — | — | Available |
| N4BNU | 12 | 49 | — | — | Available |
| N4BNV | 11 | 51 | 2027-11-14 | — | Active |
| N4BNW | 11 | 51 | 1998-06-28 | 2000-06-29 | Available |
| N4BNX | 11 | 53 | 2034-11-16 | — | Active |
| N4BNY | 11 | 55 | 2010-01-16 | 2012-01-17 | Available |
| N4BNZ | 11 | 53 | 2023-08-24 | 2025-08-25 | Available |
| N4BOA | 10 | 53 | 2004-01-25 | 2006-01-26 | Available |
| N4BOB | 10 | 57 | 2032-06-07 | — | Active (Vanity) |
| N4BOC | 10 | 59 | — | — | Available |
| N4BOD | 10 | 55 | — | — | Available |
| N4BOE | 10 | 49 | 2034-07-14 | — | Active |
| N4BOF | 10 | 57 | 2000-05-26 | 2002-05-27 | Available |
| N4BOG | 9 | 57 | 2032-01-11 | — | Active |
| N4BOH | 10 | 55 | 2036-11-07 | — | Active |
| N4BOI | 11 | 51 | 2003-10-19 | 2005-10-20 | Available |
| N4BOJ | 11 | 61 | 2015-11-24 | 2017-11-25 | Available |
| N4BOK | 10 | 57 | 2016-01-19 | 2018-01-20 | Available |
| N4BOL | 10 | 57 | 2016-03-15 | 2018-03-16 | Available |
| N4BOM | 9 | 55 | 2036-06-01 | — | Active (Vanity) |
| N4BON | 11 | 53 | 2024-03-05 | 2026-03-06 | Available |
| N4BOO | 10 | 59 | 2032-12-01 | — | Active (Vanity) |
| N4BOP | 10 | 59 | 2034-12-18 | — | Active |
| N4BOQ | 10 | 61 | — | — | Available |
| N4BOR | 11 | 55 | 2034-07-06 | — | Active |
| N4BOS | 11 | 53 | 2036-11-05 | — | Active |
| N4BOT | 10 | 51 | 2025-03-31 | — | Active |
| N4BOU | 11 | 55 | 2027-03-27 | — | Active |
| N4BOV | 10 | 57 | 2033-03-07 | — | Active (Vanity) |
| N4BOW | 10 | 57 | 2028-11-14 | — | Active (Vanity) |
| N4BOX | 10 | 59 | — | — | Pending Application |
| N4BOY | 10 | 61 | 2026-01-19 | — | Active |
| N4BOZ | 10 | 59 | 2034-11-07 | — | Active (Vanity) |
| N4BPA | 10 | 53 | 2027-11-15 | — | Active |
| N4BPB | 10 | 57 | — | — | Available |
| N4BPC | 10 | 59 | 2036-06-10 | — | Active (Vanity) |
| N4BPD | 10 | 55 | 2032-01-21 | — | Active (Vanity) |
| N4BPE | 10 | 49 | 2022-05-07 | 2024-05-08 | Available |
| N4BPF | 10 | 57 | 2030-06-20 | — | Active (Vanity) |
| N4BPG | 9 | 57 | 2009-12-11 | 2011-12-12 | Available |
| N4BPH | 10 | 55 | 2033-05-04 | — | Active |
| N4BPI | 11 | 51 | — | — | Available |
| N4BPJ | 11 | 61 | 2034-11-11 | — | Active (Vanity) |
| N4BPK | 10 | 57 | — | — | Available |
| N4BPL | 10 | 57 | 2004-04-19 | 2006-04-20 | Available |
| N4BPM | 9 | 55 | 2006-09-26 | 2008-09-27 | Available |
| N4BPN | 11 | 53 | 2029-06-09 | — | Active |
| N4BPO | 10 | 59 | — | — | Available |
| N4BPP | 10 | 59 | 2032-02-11 | — | Active |
| N4BPQ | 10 | 61 | 2014-08-30 | 2016-08-31 | Available |
| N4BPR | 11 | 55 | — | — | Available |
| N4BPS | 11 | 53 | — | — | Available |
| N4BPT | 10 | 51 | 2035-06-19 | — | Active |
| N4BPU | 11 | 55 | — | — | Available |
| N4BPV | 10 | 57 | 2034-02-22 | — | Active |
| N4BPW | 10 | 57 | 2034-11-05 | — | Active (Vanity) |
| N4BPX | 10 | 59 | 2026-10-17 | — | Active |
| N4BPY | 10 | 61 | 2004-04-05 | 2006-04-06 | Available |
| N4BPZ | 10 | 59 | 1998-06-07 | 2000-06-08 | Available |
| N4BQA | 10 | 55 | — | — | Available |
| N4BQB | 10 | 59 | 1999-10-03 | 2001-10-04 | Available |
| N4BQC | 10 | 61 | 1998-08-23 | 2000-08-24 | Available |
| N4BQD | 10 | 57 | 2014-12-09 | 2016-12-10 | Available |
| N4BQE | 10 | 51 | 1997-12-29 | 1999-12-30 | Available |
| N4BQF | 10 | 59 | 2005-11-28 | 2007-11-29 | Available |
| N4BQG | 9 | 59 | — | — | Available |
| N4BQH | 10 | 57 | — | — | Available |
| N4BQI | 11 | 53 | — | — | Available |
| N4BQJ | 11 | 63 | 2005-11-13 | 2007-11-14 | Available |
| N4BQK | 10 | 59 | — | — | Available |
| N4BQL | 10 | 59 | 2022-02-01 | 2024-02-02 | Available |
| N4BQM | 9 | 57 | 2026-02-09 | — | Active |
| N4BQN | 11 | 55 | 2033-12-28 | — | Active |
| N4BQO | 10 | 61 | — | — | Available |
| N4BQP | 10 | 61 | 2014-03-29 | 2016-03-30 | Available |
| N4BQQ | 10 | 63 | 2035-09-16 | — | Active |
| N4BQR | 11 | 57 | — | — | Available |
| N4BQS | 11 | 55 | 2035-10-03 | — | Active (Vanity) |
| N4BQT | 10 | 53 | — | — | Available |
| N4BQU | 11 | 57 | — | — | Available |
| N4BQV | 10 | 59 | 2014-07-14 | 2016-07-15 | Available |
| N4BQW | 10 | 59 | 2017-02-21 | 2019-02-22 | Available |
| N4BQX | 10 | 61 | — | — | Available |
| N4BQY | 10 | 63 | — | — | Available |
| N4BQZ | 10 | 61 | 2035-08-24 | — | Active |
| N4BRA | 11 | 49 | 2036-04-14 | — | Active (Vanity) |
| N4BRB | 11 | 53 | 2028-08-14 | — | Active (Vanity) |
| N4BRC | 11 | 55 | 2027-02-24 | — | Active (Vanity) |
| N4BRD | 11 | 51 | 2031-11-05 | — | Active (Vanity) |
| N4BRE | 11 | 45 | 2035-03-11 | — | Active |
| N4BRF | 11 | 53 | 2031-11-04 | — | Active (Vanity) |
| N4BRG | 10 | 53 | 2028-04-03 | — | Active (Vanity) |
| N4BRH | 11 | 51 | 2028-07-17 | — | Active (Vanity) |
| N4BRI | 12 | 47 | 2027-03-12 | — | Active |
| N4BRJ | 12 | 57 | 2033-04-15 | — | Active (Vanity) |
| N4BRK | 11 | 53 | 2035-07-08 | — | Active (Vanity) |