District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4RQZ | 11 | 59 | 2027-02-27 | — | Active (Vanity) |
| N4RRA | 12 | 47 | 2032-07-19 | — | Active |
| N4RRB | 12 | 51 | 2028-09-04 | — | Active |
| N4RRC | 12 | 53 | 2031-02-02 | — | Active (Vanity) |
| N4RRD | 12 | 49 | 2017-11-21 | 2019-11-22 | Available |
| N4RRE | 12 | 43 | 2020-03-31 | 2022-04-01 | Available |
| N4RRF | 12 | 51 | 2033-02-05 | — | Active |
| N4RRG | 11 | 51 | 2001-07-27 | 2003-07-28 | Available |
| N4RRH | 12 | 49 | 2029-01-10 | — | Active (Vanity) |
| N4RRI | 13 | 45 | 2019-03-24 | 2021-03-25 | Available |
| N4RRJ | 13 | 55 | 2030-01-14 | — | Active (Vanity) |
| N4RRK | 12 | 51 | 2020-01-30 | 2022-01-31 | Available |
| N4RRL | 12 | 51 | 2033-06-23 | — | Active (Vanity) |
| N4RRM | 11 | 49 | 2031-10-13 | — | Active (Vanity) |
| N4RRN | 13 | 47 | 2010-12-28 | 2012-12-29 | Available |
| N4RRO | 12 | 53 | 2029-09-25 | — | Active |
| N4RRP | 12 | 53 | 2017-12-30 | 2019-12-31 | Available |
| N4RRQ | 12 | 55 | 2027-09-12 | — | Active |
| N4RRR | 13 | 49 | 2029-08-03 | — | Active (Vanity) |
| N4RRS | 13 | 47 | 2035-05-09 | — | Active (Vanity) |
| N4RRT | 12 | 45 | 2028-10-23 | — | Active |
| N4RRU | 13 | 49 | 2027-09-12 | — | Active |
| N4RRV | 12 | 51 | 2027-07-31 | — | Active |
| N4RRW | 12 | 51 | 2027-03-30 | — | Active (Vanity) |
| N4RRX | 12 | 53 | 2029-02-17 | — | Active |
| N4RRY | 12 | 55 | — | — | Available |
| N4RRZ | 12 | 53 | 2003-07-06 | 2005-07-07 | Available |
| N4RSA | 12 | 45 | 2029-03-17 | — | Active (Vanity) |
| N4RSB | 12 | 49 | 2020-06-02 | 2022-06-03 | Available |
| N4RSC | 12 | 51 | 2028-02-05 | — | Active |
| N4RSD | 12 | 47 | 2024-03-05 | 2026-03-06 | Available |
| N4RSE | 12 | 41 | 2027-12-01 | — | Active |
| N4RSF | 12 | 49 | 2002-07-16 | 2004-07-17 | Available |
| N4RSG | 11 | 49 | 2035-05-12 | — | Active |
| N4RSH | 12 | 47 | 2015-07-28 | 2017-07-29 | Available |
| N4RSI | 13 | 43 | 2033-03-13 | — | Active (Vanity) |
| N4RSJ | 13 | 53 | 2029-02-09 | — | Active |
| N4RSK | 12 | 49 | 2027-08-27 | — | Active |
| N4RSL | 12 | 49 | 2032-08-25 | — | Active |
| N4RSM | 11 | 47 | 2031-08-17 | — | Active (Vanity) |
| N4RSN | 13 | 45 | 2034-02-07 | — | Active (Vanity) |
| N4RSO | 12 | 51 | — | — | Available |
| N4RSP | 12 | 51 | 2028-05-20 | — | Active |
| N4RSQ | 12 | 53 | 2027-12-09 | — | Active |
| N4RSR | 13 | 47 | 2036-06-17 | — | Active (Vanity) |
| N4RSS | 13 | 45 | 2033-04-26 | — | Active (Vanity) |
| N4RST | 12 | 43 | 2028-08-28 | — | Active |
| N4RSU | 13 | 47 | 2007-08-27 | 2009-08-28 | Available |
| N4RSV | 12 | 49 | 2032-12-20 | — | Active (Vanity) |
| N4RSW | 12 | 49 | 2034-07-01 | — | Active (Vanity) |
| N4RSX | 12 | 51 | 2027-12-01 | — | Active |
| N4RSY | 12 | 53 | 2036-07-11 | — | Active (Vanity) |
| N4RSZ | 12 | 51 | 2007-08-22 | 2009-08-23 | Available |
| N4RTA | 11 | 43 | 1998-04-19 | 2000-04-20 | Available |
| N4RTB | 11 | 47 | 2026-06-02 | 2028-06-03 | Canceled (grace period) |
| N4RTC | 11 | 49 | — | — | Available |
| N4RTD | 11 | 45 | 2028-01-04 | — | Active (Vanity) |
| N4RTE | 11 | 39 | 2022-06-05 | 2024-06-06 | Available |
| N4RTF | 11 | 47 | 2036-06-27 | — | Active (Vanity) |
| N4RTG | 10 | 47 | 2029-09-22 | — | Active (Vanity) |
| N4RTH | 11 | 45 | 2030-12-15 | — | Active (Vanity) |
| N4RTI | 12 | 41 | 2003-08-31 | 2005-09-01 | Available |
| N4RTJ | 12 | 51 | 1997-12-22 | 1999-12-23 | Available |
| N4RTK | 11 | 47 | 2028-06-26 | — | Active |
| N4RTL | 11 | 47 | 2028-01-05 | — | Active |
| N4RTM | 10 | 45 | 2007-08-26 | 2009-08-27 | Available |
| N4RTN | 12 | 43 | 2017-11-17 | 2019-11-18 | Available |
| N4RTO | 11 | 49 | 2027-08-29 | — | Active |
| N4RTP | 11 | 49 | 2027-11-20 | — | Active |
| N4RTQ | 11 | 51 | 2019-06-08 | 2021-06-09 | Available |
| N4RTR | 12 | 45 | 2029-10-31 | — | Active (Vanity) |
| N4RTS | 12 | 43 | 2033-05-13 | — | Active (Vanity) |
| N4RTT | 11 | 41 | 2034-09-28 | — | Active (Vanity) |
| N4RTU | 12 | 45 | 2018-01-12 | 2020-01-13 | Available |
| N4RTV | 11 | 47 | 2028-08-26 | — | Active |
| N4RTW | 11 | 47 | 2030-12-16 | — | Active |
| N4RTX | 11 | 49 | 2028-11-20 | — | Active (Vanity) |
| N4RTY | 11 | 51 | 2029-06-28 | — | Active |
| N4RTZ | 11 | 49 | — | — | Available |
| N4RUA | 12 | 47 | 2009-08-09 | 2011-08-10 | Available |
| N4RUB | 12 | 51 | 1997-12-29 | 1999-12-30 | Available |
| N4RUC | 12 | 53 | 2034-02-24 | — | Active (Vanity) |
| N4RUD | 12 | 49 | 2023-08-24 | 2025-08-25 | Available |
| N4RUE | 12 | 43 | — | — | Available |
| N4RUF | 12 | 51 | 2026-04-16 | — | Active (Vanity) |
| N4RUG | 11 | 51 | 2027-12-20 | — | Active |
| N4RUH | 12 | 49 | 2007-11-17 | 2009-11-18 | Available |
| N4RUI | 13 | 45 | 2006-10-02 | 2008-10-03 | Available |
| N4RUJ | 13 | 55 | 2008-01-22 | 2010-01-23 | Available |
| N4RUK | 12 | 51 | 2019-02-03 | 2021-02-04 | Available |
| N4RUL | 12 | 51 | — | — | Available |
| N4RUM | 11 | 49 | 2036-02-14 | — | Active (Vanity) |
| N4RUN | 13 | 47 | 2036-11-10 | — | Active (Vanity) |
| N4RUO | 12 | 53 | 1999-02-28 | 2001-03-01 | Available |
| N4RUP | 12 | 53 | 2031-02-12 | — | Active (Vanity) |
| N4RUQ | 12 | 55 | — | — | Available |
| N4RUR | 13 | 49 | 2027-10-02 | — | Active |
| N4RUS | 13 | 47 | 2032-03-15 | — | Active (Vanity) |
| N4RUT | 12 | 45 | 2027-11-13 | — | Active |
| N4RUU | 13 | 49 | 2024-04-20 | 2026-04-21 | Available |