District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4ZQS | 11 | 57 | 2011-01-17 | 2013-01-18 | Available |
| N4ZQT | 10 | 55 | 2020-07-03 | 2022-07-04 | Available |
| N4ZQU | 11 | 59 | 2010-07-03 | 2012-07-04 | Available |
| N4ZQV | 10 | 61 | 2020-07-03 | 2022-07-04 | Available |
| N4ZQW | 10 | 61 | 2000-07-03 | 2002-07-04 | Available |
| N4ZQX | 10 | 63 | 2011-07-03 | 2013-07-04 | Available |
| N4ZQY | 10 | 65 | 2002-05-17 | 2004-05-18 | Available |
| N4ZQZ | 10 | 63 | 2010-07-03 | 2012-07-04 | Available |
| N4ZRA | 11 | 51 | 2029-08-09 | — | Active |
| N4ZRB | 11 | 55 | 2010-07-03 | 2012-07-04 | Available |
| N4ZRC | 11 | 57 | 2032-05-21 | — | Active |
| N4ZRD | 11 | 53 | 2030-07-03 | — | Active |
| N4ZRE | 11 | 47 | 2024-03-05 | 2026-03-06 | Available |
| N4ZRF | 11 | 55 | 2010-07-03 | 2012-07-04 | Available |
| N4ZRG | 10 | 55 | 2010-07-03 | 2012-07-04 | Available |
| N4ZRH | 11 | 53 | 2010-07-03 | 2012-07-04 | Available |
| N4ZRI | 12 | 49 | 2000-07-03 | 2002-07-04 | Available |
| N4ZRJ | 12 | 59 | 2020-07-03 | 2022-07-04 | Available |
| N4ZRK | 11 | 55 | 2031-10-04 | — | Active |
| N4ZRL | 11 | 55 | 2020-07-03 | 2022-07-04 | Available |
| N4ZRM | 10 | 53 | — | — | Available |
| N4ZRN | 12 | 51 | 2031-01-19 | — | Active (Vanity) |
| N4ZRO | 11 | 57 | 2032-12-22 | — | Active |
| N4ZRP | 11 | 57 | 2000-07-03 | 2002-07-04 | Available |
| N4ZRQ | 11 | 59 | 2010-07-03 | 2012-07-04 | Available |
| N4ZRR | 12 | 53 | 2030-08-12 | — | Active |
| N4ZRS | 12 | 51 | 2036-09-16 | — | Active (Vanity) |
| N4ZRT | 11 | 49 | 2031-10-29 | — | Active |
| N4ZRU | 12 | 53 | 2003-08-03 | 2005-08-04 | Available |
| N4ZRV | 11 | 55 | 2031-11-18 | — | Active |
| N4ZRW | 11 | 55 | 2030-07-10 | — | Active |
| N4ZRX | 11 | 57 | — | — | Available |
| N4ZRY | 11 | 59 | 2031-05-21 | — | Active |
| N4ZRZ | 11 | 57 | 2031-09-08 | — | Active |
| N4ZSA | 11 | 49 | 2030-07-10 | — | Active |
| N4ZSB | 11 | 53 | 2000-07-10 | 2002-07-11 | Available |
| N4ZSC | 11 | 55 | 2030-09-30 | — | Active |
| N4ZSD | 11 | 51 | 2010-07-10 | 2012-07-11 | Available |
| N4ZSE | 11 | 45 | 2010-07-10 | 2012-07-11 | Available |
| N4ZSF | 11 | 53 | 2001-10-01 | 2003-10-02 | Available |
| N4ZSG | 10 | 53 | 2029-11-13 | — | Active (Vanity) |
| N4ZSH | 11 | 51 | — | — | Available |
| N4ZSI | 12 | 47 | 2032-08-28 | — | Active |
| N4ZSJ | 12 | 57 | — | — | Available |
| N4ZSK | 11 | 53 | 2020-07-10 | 2022-07-11 | Available |
| N4ZSL | 11 | 53 | 2010-07-10 | 2012-07-11 | Available |
| N4ZSM | 10 | 51 | 2030-07-10 | — | Active |
| N4ZSN | 12 | 49 | 2030-07-10 | — | Active |
| N4ZSO | 11 | 55 | 2031-09-13 | — | Active |
| N4ZSP | 11 | 55 | 2021-05-26 | 2023-05-27 | Available |
| N4ZSQ | 11 | 57 | — | — | Available |
| N4ZSR | 12 | 51 | 2000-07-10 | 2002-07-11 | Available |
| N4ZSS | 12 | 49 | 2032-01-10 | — | Active |
| N4ZST | 11 | 47 | 2010-07-10 | 2012-07-11 | Available |
| N4ZSU | 12 | 51 | 2036-01-16 | — | Active (Vanity) |
| N4ZSV | 11 | 53 | 2011-07-19 | 2013-07-20 | Available |
| N4ZSW | 11 | 53 | 2020-07-10 | 2022-07-11 | Available |
| N4ZSX | 11 | 55 | 2011-12-21 | 2013-12-22 | Available |
| N4ZSY | 11 | 57 | 2030-07-10 | — | Active |
| N4ZSZ | 11 | 55 | 2011-04-23 | 2013-04-24 | Available |
| N4ZTA | 10 | 47 | 2034-01-09 | — | Active (Vanity) |
| N4ZTB | 10 | 51 | 2010-07-10 | 2012-07-11 | Available |
| N4ZTC | 10 | 53 | 2034-07-04 | — | Active |
| N4ZTD | 10 | 49 | 2020-07-10 | 2022-07-11 | Available |
| N4ZTE | 10 | 43 | — | — | Available |
| N4ZTF | 10 | 51 | 2030-07-29 | — | Active |
| N4ZTG | 9 | 51 | 2030-07-10 | — | Active |
| N4ZTH | 10 | 49 | 2036-09-01 | — | Active (Vanity) |
| N4ZTI | 11 | 45 | 2030-07-10 | — | Active |
| N4ZTJ | 11 | 55 | 2000-07-10 | 2002-07-11 | Available |
| N4ZTK | 10 | 51 | 2031-08-13 | — | Active |
| N4ZTL | 10 | 51 | 2000-07-10 | 2002-07-11 | Available |
| N4ZTM | 9 | 49 | 2020-08-01 | 2022-08-02 | Available |
| N4ZTN | 11 | 47 | 2030-07-10 | — | Active |
| N4ZTO | 10 | 53 | 2033-02-18 | — | Active |
| N4ZTP | 10 | 53 | 2023-08-24 | 2025-08-25 | Available |
| N4ZTQ | 10 | 55 | 2030-07-28 | — | Active |
| N4ZTR | 11 | 49 | 2000-07-10 | 2002-07-11 | Available |
| N4ZTS | 11 | 47 | 2031-05-14 | — | Active |
| N4ZTT | 10 | 45 | — | — | Available |
| N4ZTU | 11 | 49 | 2032-11-17 | — | Active |
| N4ZTV | 10 | 51 | 2026-02-02 | — | Active (Vanity) |
| N4ZTW | 10 | 51 | 2000-07-17 | 2002-07-18 | Available |
| N4ZTX | 10 | 53 | 2020-07-17 | 2022-07-18 | Available |
| N4ZTY | 10 | 55 | 2034-09-04 | — | Active (Vanity) |
| N4ZTZ | 10 | 53 | 2030-11-24 | — | Active |
| N4ZUA | 11 | 51 | 2035-09-06 | — | Active (Vanity) |
| N4ZUB | 11 | 55 | 2001-11-26 | 2003-11-27 | Available |
| N4ZUC | 11 | 57 | 2022-04-07 | 2024-04-08 | Available |
| N4ZUD | 11 | 53 | 2029-08-09 | — | Active |
| N4ZUE | 11 | 47 | — | — | Available |
| N4ZUF | 11 | 55 | 2030-07-17 | — | Active |
| N4ZUG | 10 | 55 | 1998-01-07 | 2000-01-08 | Available |
| N4ZUH | 11 | 53 | 2020-07-17 | 2022-07-18 | Available |
| N4ZUI | 12 | 49 | 2030-07-17 | — | Active |
| N4ZUJ | 12 | 59 | 2020-07-17 | 2022-07-18 | Available |
| N4ZUK | 11 | 55 | 2030-07-17 | — | Active |
| N4ZUL | 11 | 55 | 2034-11-19 | — | Active (Vanity) |
| N4ZUM | 10 | 53 | 2020-07-17 | 2022-07-18 | Available |
| N4ZUN | 12 | 51 | 2032-02-04 | — | Active |