District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4IAV | 11 | 45 | — | — | Available |
| N4IAW | 11 | 45 | 2034-04-12 | — | Active |
| N4IAX | 11 | 47 | — | — | Available |
| N4IAY | 11 | 49 | — | — | Available |
| N4IAZ | 11 | 47 | 2007-10-20 | 2009-10-21 | Available |
| N4IBA | 11 | 45 | 2002-02-18 | 2004-02-19 | Available |
| N4IBB | 11 | 49 | 1997-12-15 | 1999-12-16 | Available |
| N4IBC | 11 | 51 | 2018-08-22 | 2020-08-23 | Available |
| N4IBD | 11 | 47 | — | — | Available |
| N4IBE | 11 | 41 | 2007-09-11 | 2009-09-12 | Available |
| N4IBF | 11 | 49 | 1997-12-15 | 1999-12-16 | Available |
| N4IBG | 10 | 49 | 2027-08-20 | — | Active |
| N4IBH | 11 | 47 | 2017-03-24 | 2019-03-25 | Available |
| N4IBI | 12 | 43 | 2028-11-12 | — | Active |
| N4IBJ | 12 | 53 | — | — | Available |
| N4IBK | 11 | 49 | 2027-10-21 | — | Active |
| N4IBL | 11 | 49 | 2030-06-16 | — | Active (Vanity) |
| N4IBM | 10 | 47 | 2017-02-12 | 2019-02-13 | Available |
| N4IBN | 12 | 45 | — | — | Available |
| N4IBO | 11 | 51 | 2029-10-24 | — | Active |
| N4IBP | 11 | 51 | 2010-01-02 | 2012-01-03 | Available |
| N4IBQ | 11 | 53 | — | — | Available |
| N4IBR | 12 | 47 | 2000-03-27 | 2002-03-28 | Available |
| N4IBS | 12 | 45 | 2024-05-10 | 2026-05-11 | Available |
| N4IBT | 11 | 43 | 2017-10-10 | 2019-10-11 | Available |
| N4IBU | 12 | 47 | 2004-12-04 | 2006-12-05 | Available |
| N4IBV | 11 | 49 | — | — | Available |
| N4IBW | 11 | 49 | 2027-06-23 | — | Active |
| N4IBX | 11 | 51 | 2030-06-30 | — | Active (Vanity) |
| N4IBY | 11 | 53 | — | — | Available |
| N4IBZ | 11 | 51 | 2018-05-04 | 2020-05-05 | Available |
| N4ICA | 11 | 47 | 2009-03-22 | 2011-03-23 | Available |
| N4ICB | 11 | 51 | 2027-12-28 | — | Active |
| N4ICC | 11 | 53 | 2033-05-21 | — | Active |
| N4ICD | 11 | 49 | 2018-03-12 | 2020-03-13 | Available |
| N4ICE | 11 | 43 | 2029-12-24 | — | Active (Vanity) |
| N4ICF | 11 | 51 | 2035-05-19 | — | Active |
| N4ICG | 10 | 51 | 2036-03-31 | — | Active (Vanity) |
| N4ICH | 11 | 49 | — | — | Available |
| N4ICI | 12 | 45 | — | — | Available |
| N4ICJ | 12 | 55 | 2015-07-09 | 2017-07-10 | Available |
| N4ICK | 11 | 51 | 2028-07-27 | — | Active (Vanity) |
| N4ICL | 11 | 51 | — | — | Available |
| N4ICM | 10 | 49 | 2024-03-05 | 2026-03-06 | Available |
| N4ICN | 12 | 47 | — | — | Available |
| N4ICO | 11 | 53 | 2010-01-06 | 2012-01-07 | Available |
| N4ICP | 11 | 53 | 2008-04-08 | 2010-04-09 | Available |
| N4ICQ | 11 | 55 | 2035-08-01 | — | Active (Vanity) |
| N4ICR | 12 | 49 | 2007-12-08 | 2009-12-09 | Available |
| N4ICS | 12 | 47 | 2027-04-14 | — | Active |
| N4ICT | 11 | 45 | 2033-01-26 | — | Active |
| N4ICU | 12 | 49 | 2019-10-17 | 2021-10-18 | Available |
| N4ICV | 11 | 51 | 2032-07-07 | — | Active |
| N4ICW | 11 | 51 | 2027-10-27 | — | Active |
| N4ICX | 11 | 53 | 2035-04-13 | — | Active |
| N4ICY | 11 | 55 | 2030-05-01 | — | Active (Vanity) |
| N4ICZ | 11 | 53 | — | — | Available |
| N4IDA | 11 | 43 | 2032-03-26 | — | Active (Vanity) |
| N4IDB | 11 | 47 | 2017-06-17 | 2019-06-18 | Available |
| N4IDC | 11 | 49 | 2027-10-08 | — | Active |
| N4IDD | 11 | 45 | 1998-10-05 | 2000-10-06 | Available |
| N4IDE | 11 | 39 | 2036-04-12 | — | Active |
| N4IDF | 11 | 47 | 2017-07-31 | 2019-08-01 | Available |
| N4IDG | 10 | 47 | 2029-07-12 | — | Active (Vanity) |
| N4IDH | 11 | 45 | 2032-01-14 | — | Active |
| N4IDI | 12 | 41 | — | — | Available |
| N4IDJ | 12 | 51 | 2025-02-08 | 2027-02-09 | Canceled (grace period) |
| N4IDK | 11 | 47 | 2030-10-16 | — | Active (Vanity) |
| N4IDL | 11 | 47 | 2007-05-20 | 2009-05-21 | Available |
| N4IDM | 10 | 45 | — | — | Available |
| N4IDN | 12 | 43 | 1998-10-15 | 2000-10-16 | Available |
| N4IDO | 11 | 49 | — | — | Available |
| N4IDP | 11 | 49 | 2028-10-15 | — | Active |
| N4IDQ | 11 | 51 | 2036-06-28 | — | Active |
| N4IDR | 12 | 45 | 2030-05-01 | — | Active |
| N4IDS | 12 | 43 | — | — | Available |
| N4IDT | 11 | 41 | 2032-05-16 | — | Active |
| N4IDU | 12 | 45 | 2017-01-06 | 2019-01-07 | Available |
| N4IDV | 11 | 47 | — | — | Available |
| N4IDW | 11 | 47 | 2027-01-08 | — | Active |
| N4IDX | 11 | 49 | 2027-03-25 | — | Active (Vanity) |
| N4IDY | 11 | 51 | — | — | Available |
| N4IDZ | 11 | 49 | 2024-11-21 | — | Active |
| N4IEA | 11 | 37 | 2028-11-23 | — | Active |
| N4IEB | 11 | 41 | 2027-08-11 | — | Active |
| N4IEC | 11 | 43 | 2023-02-09 | 2025-02-10 | Available |
| N4IED | 11 | 39 | 1997-11-24 | 1999-11-25 | Available |
| N4IEE | 11 | 33 | 2036-09-11 | — | Active (Vanity) |
| N4IEF | 11 | 41 | 1999-12-12 | 2001-12-13 | Available |
| N4IEG | 10 | 41 | 2017-10-01 | 2019-10-02 | Available |
| N4IEH | 11 | 39 | 2007-10-21 | 2009-10-22 | Available |
| N4IEI | 12 | 35 | 2027-02-20 | — | Active |
| N4IEJ | 12 | 45 | 2017-03-20 | 2019-03-21 | Available |
| N4IEK | 11 | 41 | 1997-12-22 | 1999-12-23 | Available |
| N4IEL | 11 | 41 | 2027-09-30 | — | Active |
| N4IEM | 10 | 39 | 2028-03-17 | — | Active |
| N4IEN | 12 | 37 | 2028-03-06 | — | Active |
| N4IEO | 11 | 43 | 2032-06-07 | — | Active (Vanity) |
| N4IEP | 11 | 43 | — | — | Available |
| N4IEQ | 11 | 45 | 2009-01-25 | 2011-01-26 | Available |