District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4RBP | 11 | 55 | 2006-02-18 | 2008-02-19 | Available |
| N4RBQ | 11 | 57 | 2017-08-18 | 2019-08-19 | Available |
| N4RBR | 12 | 51 | 2007-05-27 | 2009-05-28 | Available |
| N4RBS | 12 | 49 | 2030-08-10 | — | Active (Vanity) |
| N4RBT | 11 | 47 | 2028-04-10 | — | Active |
| N4RBU | 12 | 51 | 2037-01-08 | — | Active |
| N4RBV | 11 | 53 | 2021-09-10 | 2023-09-11 | Available |
| N4RBW | 11 | 53 | 2032-11-03 | — | Active |
| N4RBX | 11 | 55 | 2007-07-28 | 2009-07-29 | Available |
| N4RBY | 11 | 57 | 2027-11-14 | — | Active |
| N4RBZ | 11 | 55 | 2028-05-01 | — | Active (Vanity) |
| N4RCA | 11 | 51 | 2033-08-23 | — | Active (Vanity) |
| N4RCB | 11 | 55 | 2034-05-01 | — | Active (Vanity) |
| N4RCC | 11 | 57 | 2034-09-26 | — | Active (Vanity) |
| N4RCD | 11 | 53 | 2036-04-14 | — | Active (Vanity) |
| N4RCE | 11 | 47 | 2029-01-20 | — | Active |
| N4RCF | 11 | 55 | 2017-05-28 | 2019-05-29 | Available |
| N4RCG | 10 | 55 | 2025-06-13 | — | Active (Vanity) |
| N4RCH | 11 | 53 | 2032-08-26 | — | Active (Vanity) |
| N4RCI | 12 | 49 | — | — | Available |
| N4RCJ | 12 | 59 | 2027-04-18 | — | Active (Vanity) |
| N4RCK | 11 | 55 | 2034-03-10 | — | Active (Vanity) |
| N4RCL | 11 | 55 | 2027-12-09 | — | Active (Vanity) |
| N4RCM | 10 | 53 | 2028-09-07 | — | Active (Vanity) |
| N4RCN | 12 | 51 | 2027-06-24 | — | Active |
| N4RCO | 11 | 57 | 2023-01-31 | 2025-02-01 | Available |
| N4RCP | 11 | 57 | 2030-03-11 | — | Active (Vanity) |
| N4RCQ | 11 | 59 | 2029-04-07 | — | Active (Vanity) |
| N4RCR | 12 | 53 | 2027-06-18 | — | Active |
| N4RCS | 12 | 51 | 2030-02-08 | — | Active (Vanity) |
| N4RCT | 11 | 49 | 2029-04-05 | — | Active (Vanity) |
| N4RCU | 12 | 53 | 2012-03-17 | 2014-03-18 | Available |
| N4RCV | 11 | 55 | 2027-10-01 | — | Active |
| N4RCW | 11 | 55 | 2033-12-05 | — | Active (Vanity) |
| N4RCX | 11 | 57 | 2027-07-18 | — | Active |
| N4RCY | 11 | 59 | 2030-12-19 | — | Active |
| N4RCZ | 11 | 57 | 2029-08-02 | — | Active (Vanity) |
| N4RDA | 11 | 47 | — | — | Available |
| N4RDB | 11 | 51 | 2031-03-25 | — | Active (Vanity) |
| N4RDC | 11 | 53 | 2034-05-30 | — | Active (Vanity) |
| N4RDD | 11 | 49 | 2009-01-10 | 2011-01-11 | Available |
| N4RDE | 11 | 43 | 2017-09-02 | 2019-09-03 | Available |
| N4RDF | 11 | 51 | 2030-04-10 | — | Active (Vanity) |
| N4RDG | 10 | 51 | 2031-12-13 | — | Active (Vanity) |
| N4RDH | 11 | 49 | 2033-06-01 | — | Active |
| N4RDI | 12 | 45 | 2008-05-01 | 2010-05-02 | Available |
| N4RDJ | 12 | 55 | 2033-05-16 | — | Active (Vanity) |
| N4RDK | 11 | 51 | 2031-09-17 | — | Active |
| N4RDL | 11 | 51 | 2028-11-02 | — | Active |
| N4RDM | 10 | 49 | 2029-09-10 | — | Active (Vanity) |
| N4RDN | 12 | 47 | 2032-02-18 | — | Active |
| N4RDO | 11 | 53 | 2028-12-21 | — | Active (Vanity) |
| N4RDP | 11 | 53 | 2028-12-11 | — | Active (Vanity) |
| N4RDQ | 11 | 55 | 2024-03-05 | 2026-03-06 | Available |
| N4RDR | 12 | 49 | 2030-06-15 | — | Active (Vanity) |
| N4RDS | 12 | 47 | 2030-03-10 | — | Active (Vanity) |
| N4RDT | 11 | 45 | 2027-12-24 | — | Active |
| N4RDU | 12 | 49 | 2035-02-11 | — | Active (Vanity) |
| N4RDV | 11 | 51 | 2034-12-27 | — | Active (Vanity) |
| N4RDW | 11 | 51 | 2027-02-28 | — | Active (Vanity) |
| N4RDX | 11 | 53 | 2036-12-20 | — | Active (Vanity) |
| N4RDY | 11 | 55 | 2018-04-10 | 2020-04-11 | Available |
| N4RDZ | 11 | 53 | 2033-02-20 | — | Active (Vanity) |
| N4REA | 11 | 41 | 2032-04-23 | — | Active (Vanity) |
| N4REB | 11 | 45 | 2031-01-30 | — | Active (Vanity) |
| N4REC | 11 | 47 | 2029-03-20 | — | Active |
| N4RED | 11 | 43 | 2027-07-30 | — | Active |
| N4REE | 11 | 37 | 2033-02-17 | — | Active (Vanity) |
| N4REF | 11 | 45 | 2036-02-07 | — | Active (Vanity) |
| N4REG | 10 | 45 | 2031-06-10 | — | Active (Vanity) |
| N4REH | 11 | 43 | 2020-10-14 | 2022-10-15 | Available |
| N4REI | 12 | 39 | 2008-08-24 | 2010-08-25 | Available |
| N4REJ | 12 | 49 | 2007-08-05 | 2009-08-06 | Available |
| N4REK | 11 | 45 | 2024-03-05 | 2026-03-06 | Available |
| N4REL | 11 | 45 | 2012-03-30 | 2014-03-31 | Available |
| N4REM | 10 | 43 | 2033-10-31 | — | Active |
| N4REN | 12 | 41 | 2035-03-24 | — | Active (Vanity) |
| N4REO | 11 | 47 | 2036-08-25 | — | Active (Vanity) |
| N4REP | 11 | 47 | 2028-04-22 | — | Active |
| N4REQ | 11 | 49 | 1997-09-22 | 1999-09-23 | Available |
| N4RER | 12 | 43 | 2033-04-18 | — | Active (Vanity) |
| N4RES | 12 | 41 | 2033-10-03 | — | Active |
| N4RET | 11 | 39 | 2027-07-11 | — | Active |
| N4REU | 12 | 43 | 2015-06-13 | 2017-06-14 | Available |
| N4REV | 11 | 45 | 2031-04-06 | — | Active (Vanity) |
| N4REW | 11 | 45 | 2027-05-23 | — | Active |
| N4REX | 11 | 47 | 2029-11-26 | — | Active (Vanity) |
| N4REY | 11 | 49 | 2031-02-12 | — | Active (Vanity) |
| N4REZ | 11 | 47 | 2007-03-18 | 2009-03-19 | Available |
| N4RFA | 11 | 49 | 2030-03-06 | — | Active |
| N4RFB | 11 | 53 | 2027-06-10 | — | Active |
| N4RFC | 11 | 55 | 2034-11-29 | — | Active (Vanity) |
| N4RFD | 11 | 51 | 2028-08-05 | — | Active (Vanity) |
| N4RFE | 11 | 45 | 2033-01-05 | — | Active |
| N4RFF | 11 | 53 | 2033-08-25 | — | Active (Vanity) |
| N4RFG | 10 | 53 | 2007-08-22 | 2009-08-23 | Available |
| N4RFH | 11 | 51 | 2028-04-24 | — | Active (Vanity) |
| N4RFI | 12 | 47 | 2032-01-25 | — | Active (Vanity) |
| N4RFJ | 12 | 57 | 2015-07-19 | 2017-07-20 | Available |
| N4RFK | 11 | 53 | 2017-05-16 | 2019-05-17 | Available |