District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4CSJ | 12 | 57 | 2027-04-20 | — | Active (Vanity) |
| N4CSK | 11 | 53 | 1997-10-16 | 1999-10-17 | Available |
| N4CSL | 11 | 53 | 2015-04-12 | 2017-04-13 | Available |
| N4CSM | 10 | 51 | 2032-03-15 | — | Active (Vanity) |
| N4CSN | 12 | 49 | 2004-09-21 | 2006-09-22 | Available |
| N4CSO | 11 | 55 | — | — | Available |
| N4CSP | 11 | 55 | — | — | Available |
| N4CSQ | 11 | 57 | 2014-01-04 | 2016-01-05 | Available |
| N4CSR | 12 | 51 | 2025-02-01 | — | Active |
| N4CSS | 12 | 49 | 2034-09-15 | — | Active |
| N4CST | 11 | 47 | 2029-02-03 | — | Active (Vanity) |
| N4CSU | 12 | 51 | 2033-02-19 | — | Active (Vanity) |
| N4CSV | 11 | 53 | 2030-07-31 | — | Active (Vanity) |
| N4CSW | 11 | 53 | 2035-06-19 | — | Active |
| N4CSX | 11 | 55 | 2036-02-12 | — | Active |
| N4CSY | 11 | 57 | 2034-11-30 | — | Active |
| N4CSZ | 11 | 55 | — | — | Available |
| N4CTA | 10 | 47 | 2029-03-05 | — | Active |
| N4CTB | 10 | 51 | 2005-02-25 | 2007-02-26 | Available |
| N4CTC | 10 | 53 | 2024-03-05 | 2026-03-06 | Available |
| N4CTD | 10 | 49 | — | — | Available |
| N4CTE | 10 | 43 | 2033-04-08 | — | Active (Vanity) |
| N4CTF | 10 | 51 | 2029-07-07 | — | Active (Vanity) |
| N4CTG | 9 | 51 | 2026-05-09 | — | Active |
| N4CTH | 10 | 49 | 2031-11-11 | — | Active (Vanity) |
| N4CTI | 11 | 45 | 2005-09-20 | 2007-09-21 | Available |
| N4CTJ | 11 | 55 | 2025-01-26 | — | Active |
| N4CTK | 10 | 51 | 2031-02-17 | — | Active (Vanity) |
| N4CTL | 10 | 51 | 2036-09-20 | — | Active (Vanity) |
| N4CTM | 9 | 49 | 2028-04-17 | — | Active (Vanity) |
| N4CTN | 11 | 47 | 2035-03-20 | — | Active |
| N4CTO | 10 | 53 | 2036-03-03 | — | Active (Vanity) |
| N4CTP | 10 | 53 | 2000-05-29 | 2002-05-30 | Available |
| N4CTQ | 10 | 55 | — | — | Available |
| N4CTR | 11 | 49 | 2030-04-14 | — | Active (Vanity) |
| N4CTS | 11 | 47 | 2006-05-07 | 2008-05-08 | Available |
| N4CTT | 10 | 45 | 2022-05-08 | 2024-05-09 | Available |
| N4CTU | 11 | 49 | 2028-08-11 | — | Active (Vanity) |
| N4CTV | 10 | 51 | 2031-04-02 | — | Active (Vanity) |
| N4CTW | 10 | 51 | 2034-10-27 | — | Active |
| N4CTX | 10 | 53 | 2033-12-14 | — | Active |
| N4CTY | 10 | 55 | 2026-04-01 | — | Active |
| N4CTZ | 10 | 53 | 2036-09-16 | — | Active (Vanity) |
| N4CUA | 11 | 51 | 2017-12-15 | 2019-12-16 | Available |
| N4CUB | 11 | 55 | 2027-06-27 | — | Active |
| N4CUC | 11 | 57 | 2029-12-10 | — | Active (Vanity) |
| N4CUD | 11 | 53 | — | — | Available |
| N4CUE | 11 | 47 | 2032-10-14 | — | Active (Vanity) |
| N4CUF | 11 | 55 | 2034-11-18 | — | Active |
| N4CUG | 10 | 55 | 2009-03-22 | 2011-03-23 | Available |
| N4CUH | 11 | 53 | 2015-11-07 | 2017-11-08 | Available |
| N4CUI | 12 | 49 | 2005-08-15 | 2007-08-16 | Available |
| N4CUJ | 12 | 59 | 2002-09-01 | 2004-09-02 | Available |
| N4CUK | 11 | 55 | — | — | Available |
| N4CUL | 11 | 55 | 2035-09-24 | — | Active |
| N4CUM | 10 | 53 | — | — | Available |
| N4CUN | 12 | 51 | — | — | Available |
| N4CUO | 11 | 57 | 2026-04-24 | — | Active |
| N4CUP | 11 | 57 | 2021-07-26 | 2023-07-27 | Available |
| N4CUQ | 11 | 59 | — | — | Available |
| N4CUR | 12 | 53 | 2006-05-06 | 2008-05-07 | Available |
| N4CUS | 12 | 51 | 2028-06-03 | — | Active (Vanity) |
| N4CUT | 11 | 49 | 2015-10-16 | 2017-10-17 | Available |
| N4CUU | 12 | 53 | — | — | Available |
| N4CUV | 11 | 55 | 2005-04-05 | 2007-04-06 | Available |
| N4CUW | 11 | 55 | 2032-12-24 | — | Active (Vanity) |
| N4CUX | 11 | 57 | 2017-10-06 | 2019-10-07 | Available |
| N4CUY | 11 | 59 | — | — | Available |
| N4CUZ | 11 | 57 | 2021-07-02 | 2023-07-03 | Available |
| N4CVA | 10 | 53 | 2028-03-08 | — | Active (Vanity) |
| N4CVB | 10 | 57 | — | — | Available |
| N4CVC | 10 | 59 | 2033-09-09 | — | Active (Vanity) |
| N4CVD | 10 | 55 | — | — | Available |
| N4CVE | 10 | 49 | — | — | Available |
| N4CVF | 10 | 57 | 2030-04-05 | — | Active |
| N4CVG | 9 | 57 | 2031-08-12 | — | Active (Vanity) |
| N4CVH | 10 | 55 | — | — | Available |
| N4CVI | 11 | 51 | — | — | Available |
| N4CVJ | 11 | 61 | — | — | Available |
| N4CVK | 10 | 57 | — | — | Available |
| N4CVL | 10 | 57 | 2017-09-06 | 2019-09-07 | Available |
| N4CVM | 9 | 55 | 2015-01-22 | 2017-01-23 | Available |
| N4CVN | 11 | 53 | 2023-07-30 | 2025-07-31 | Available |
| N4CVO | 10 | 59 | 2026-07-31 | — | Active |
| N4CVP | 10 | 59 | 2027-11-10 | — | Active |
| N4CVQ | 10 | 61 | — | — | Available |
| N4CVR | 11 | 55 | 2029-05-21 | — | Active |
| N4CVS | 11 | 53 | 2025-01-24 | — | Active |
| N4CVT | 10 | 51 | 2032-10-04 | — | Active (Vanity) |
| N4CVU | 11 | 55 | — | — | Available |
| N4CVV | 10 | 57 | 2035-07-21 | — | Active |
| N4CVW | 10 | 57 | 2008-05-16 | 2010-05-17 | Available |
| N4CVX | 10 | 59 | 2036-08-30 | — | Active |
| N4CVY | 10 | 61 | — | — | Available |
| N4CVZ | 10 | 59 | 2024-11-18 | — | Active |
| N4CWA | 10 | 53 | 2034-05-17 | — | Active (Vanity) |
| N4CWB | 10 | 57 | 2030-07-24 | — | Active (Vanity) |
| N4CWC | 10 | 59 | 2030-11-13 | — | Active |
| N4CWD | 10 | 55 | 2004-08-01 | 2006-08-02 | Available |
| N4CWE | 10 | 49 | 2033-01-12 | — | Active |