District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4BFX | 10 | 57 | — | — | Available |
| N4BFY | 10 | 59 | — | — | Available |
| N4BFZ | 10 | 57 | 2009-01-20 | 2011-01-21 | Available |
| N4BGA | 9 | 51 | 2032-04-01 | — | Active (Vanity) |
| N4BGB | 9 | 55 | — | — | Available |
| N4BGC | 9 | 57 | 2025-07-26 | — | Active (Vanity) |
| N4BGD | 9 | 53 | 2028-03-27 | — | Active |
| N4BGE | 9 | 47 | 2001-08-06 | 2003-08-07 | Available |
| N4BGF | 9 | 55 | — | — | Available |
| N4BGG | 8 | 55 | 2028-11-07 | — | Active (Vanity) |
| N4BGH | 9 | 53 | 2015-09-29 | 2017-09-30 | Available |
| N4BGI | 10 | 49 | — | — | Available |
| N4BGJ | 10 | 59 | 2004-03-15 | 2006-03-16 | Available |
| N4BGK | 9 | 55 | 2020-11-25 | 2022-11-26 | Available |
| N4BGL | 9 | 55 | 2024-03-15 | 2026-03-16 | Available |
| N4BGM | 8 | 53 | 2019-03-22 | 2021-03-23 | Available |
| N4BGN | 10 | 51 | 1997-07-28 | 1999-07-29 | Available |
| N4BGO | 9 | 57 | 1998-11-08 | 2000-11-09 | Available |
| N4BGP | 9 | 57 | 2030-12-15 | — | Active (Vanity) |
| N4BGQ | 9 | 59 | 2033-10-01 | — | Active |
| N4BGR | 10 | 53 | 2033-08-24 | — | Active |
| N4BGS | 10 | 51 | 2028-01-06 | — | Active (Vanity) |
| N4BGT | 9 | 49 | 2017-01-14 | 2019-01-15 | Available |
| N4BGU | 10 | 53 | 2025-12-05 | — | Active |
| N4BGV | 9 | 55 | — | — | Available |
| N4BGW | 9 | 55 | 2034-10-16 | — | Active (Vanity) |
| N4BGX | 9 | 57 | 2020-01-09 | 2022-01-10 | Available |
| N4BGY | 9 | 59 | 2033-06-22 | — | Active (Vanity) |
| N4BGZ | 9 | 57 | 2031-08-13 | — | Active |
| N4BHA | 10 | 49 | 2032-10-20 | — | Active |
| N4BHB | 10 | 53 | 2032-09-22 | — | Active |
| N4BHC | 10 | 55 | 2018-02-20 | 2020-02-21 | Available |
| N4BHD | 10 | 51 | 2026-09-11 | — | Active |
| N4BHE | 10 | 45 | 2031-03-23 | — | Active (Vanity) |
| N4BHF | 10 | 53 | — | — | Available |
| N4BHG | 9 | 53 | 2030-07-10 | — | Active (Vanity) |
| N4BHH | 10 | 51 | 2023-06-08 | 2025-06-09 | Available |
| N4BHI | 11 | 47 | — | — | Available |
| N4BHJ | 11 | 57 | 2031-12-03 | — | Active |
| N4BHK | 10 | 53 | 2008-12-16 | 2010-12-17 | Available |
| N4BHL | 10 | 53 | — | — | Available |
| N4BHM | 9 | 51 | 2031-12-07 | — | Active |
| N4BHN | 11 | 49 | — | — | Available |
| N4BHO | 10 | 55 | 2018-06-11 | 2020-06-12 | Available |
| N4BHP | 10 | 55 | — | — | Available |
| N4BHQ | 10 | 57 | — | — | Available |
| N4BHR | 11 | 51 | 2028-06-18 | — | Active |
| N4BHS | 11 | 49 | 2029-05-27 | — | Active (Vanity) |
| N4BHT | 10 | 47 | — | — | Available |
| N4BHU | 11 | 51 | 1998-12-06 | 2000-12-07 | Available |
| N4BHV | 10 | 53 | 2004-01-18 | 2006-01-19 | Available |
| N4BHW | 10 | 53 | — | — | Available |
| N4BHX | 10 | 55 | — | — | Available |
| N4BHY | 10 | 57 | 2031-09-18 | — | Active |
| N4BHZ | 10 | 55 | — | — | Available |
| N4BIA | 11 | 45 | 2016-02-28 | 2018-03-01 | Available |
| N4BIB | 11 | 49 | 2033-09-04 | — | Active (Vanity) |
| N4BIC | 11 | 51 | 2024-11-15 | 2026-11-16 | Canceled (grace period) |
| N4BID | 11 | 47 | 2031-09-07 | — | Active (Vanity) |
| N4BIE | 11 | 41 | — | — | Available |
| N4BIF | 11 | 49 | 2012-01-24 | 2014-01-25 | Available |
| N4BIG | 10 | 49 | 2034-08-22 | — | Active (Vanity) |
| N4BIH | 11 | 47 | — | — | Available |
| N4BII | 12 | 43 | 2019-04-09 | 2021-04-10 | Available |
| N4BIJ | 12 | 53 | — | — | Available |
| N4BIK | 11 | 49 | 2029-04-08 | — | Active |
| N4BIL | 11 | 49 | 2032-02-25 | — | Active (Vanity) |
| N4BIM | 10 | 47 | 2034-03-15 | — | Active |
| N4BIN | 12 | 45 | 2027-10-10 | — | Active |
| N4BIO | 11 | 51 | 2017-07-25 | 2019-07-26 | Available |
| N4BIP | 11 | 51 | 2034-01-04 | — | Active |
| N4BIQ | 11 | 53 | 2028-10-10 | — | Active |
| N4BIR | 12 | 47 | 2036-05-16 | — | Active (Vanity) |
| N4BIS | 12 | 45 | — | — | Available |
| N4BIT | 11 | 43 | 2030-03-17 | — | Active (Vanity) |
| N4BIU | 12 | 47 | — | — | Available |
| N4BIV | 11 | 49 | 1999-01-17 | 2001-01-18 | Available |
| N4BIW | 11 | 49 | 2016-01-23 | 2018-01-24 | Available |
| N4BIX | 11 | 51 | 2036-04-23 | — | Active |
| N4BIY | 11 | 53 | 2030-12-08 | — | Active (Vanity) |
| N4BIZ | 11 | 51 | 2030-09-29 | — | Active (Vanity) |
| N4BJA | 11 | 55 | 2028-09-09 | — | Active (Vanity) |
| N4BJB | 11 | 59 | 2029-03-11 | — | Active (Vanity) |
| N4BJC | 11 | 61 | 2033-03-18 | — | Active (Vanity) |
| N4BJD | 11 | 57 | 2033-10-24 | — | Active (Vanity) |
| N4BJE | 11 | 51 | 2024-03-05 | 2026-03-06 | Available |
| N4BJF | 11 | 59 | 2008-05-22 | 2010-05-23 | Available |
| N4BJG | 10 | 59 | 2027-11-11 | — | Active |
| N4BJH | 11 | 57 | 2031-04-23 | — | Active (Vanity) |
| N4BJI | 12 | 53 | — | — | Available |
| N4BJJ | 12 | 63 | 2028-07-29 | — | Active |
| N4BJK | 11 | 59 | 2023-06-03 | 2025-06-04 | Available |
| N4BJL | 11 | 59 | 2025-01-17 | 2027-01-18 | Canceled (grace period) |
| N4BJM | 10 | 57 | 2018-01-08 | 2020-01-09 | Available |
| N4BJN | 12 | 55 | — | — | Available |
| N4BJO | 11 | 61 | — | — | Available |
| N4BJP | 11 | 61 | 2028-07-04 | — | Active (Vanity) |
| N4BJQ | 11 | 63 | — | — | Available |
| N4BJR | 12 | 57 | 2028-04-26 | — | Active |
| N4BJS | 12 | 55 | 2025-03-22 | — | Active |