District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KB4RAR | 13 | 63 | — | — | Available |
| KB4RAS | 13 | 61 | 2026-04-05 | — | Active |
| KB4RAT | 12 | 59 | — | — | Available |
| KB4RAU | 13 | 63 | — | — | Available |
| KB4RAV | 12 | 65 | — | — | Available |
| KB4RAW | 12 | 65 | — | — | Available |
| KB4RAX | 12 | 67 | 2030-04-06 | — | Active (Vanity) |
| KB4RAY | 12 | 69 | 2035-01-11 | — | Active (Vanity) |
| KB4RAZ | 12 | 67 | 2005-11-28 | 2007-11-29 | Available |
| KB4RBA | 12 | 65 | — | — | Available |
| KB4RBB | 12 | 69 | 2031-05-04 | — | Active (Vanity) |
| KB4RBC | 12 | 71 | — | — | Available |
| KB4RBD | 12 | 67 | — | — | Available |
| KB4RBE | 12 | 61 | 2004-01-18 | 2006-01-19 | Available |
| KB4RBF | 12 | 69 | 2001-01-22 | 2003-01-23 | Available |
| KB4RBG | 11 | 69 | — | — | Available |
| KB4RBH | 12 | 67 | — | — | Available |
| KB4RBI | 13 | 63 | — | — | Available |
| KB4RBJ | 13 | 73 | — | — | Available |
| KB4RBK | 12 | 69 | 2026-02-05 | — | Active |
| KB4RBL | 12 | 69 | — | — | Available |
| KB4RBM | 11 | 67 | 2006-02-28 | 2008-02-29 | Available |
| KB4RBN | 13 | 65 | — | — | Available |
| KB4RBO | 12 | 71 | — | — | Available |
| KB4RBP | 12 | 71 | — | — | Available |
| KB4RBQ | 12 | 73 | — | — | Available |
| KB4RBR | 13 | 67 | — | — | Available |
| KB4RBS | 13 | 65 | — | — | Available |
| KB4RBT | 12 | 63 | — | — | Available |
| KB4RBU | 13 | 67 | 2016-04-22 | 2018-04-23 | Available |
| KB4RBV | 12 | 69 | 2005-06-30 | 2007-07-01 | Available |
| KB4RBW | 12 | 69 | 2012-03-10 | 2014-03-11 | Available |
| KB4RBX | 12 | 71 | 2035-11-28 | — | Active |
| KB4RBY | 12 | 73 | 2036-06-02 | — | Active |
| KB4RBZ | 12 | 71 | 2007-06-12 | 2009-06-13 | Available |
| KB4RCA | 12 | 67 | 2026-02-09 | — | Active (Vanity) |
| KB4RCB | 12 | 71 | — | — | Available |
| KB4RCC | 12 | 73 | — | — | Available |
| KB4RCD | 12 | 69 | — | — | Available |
| KB4RCE | 12 | 63 | — | — | Available |
| KB4RCF | 12 | 71 | 2005-11-08 | 2007-11-09 | Available |
| KB4RCG | 11 | 71 | 2005-11-02 | 2007-11-03 | Available |
| KB4RCH | 12 | 69 | 2026-01-16 | — | Active |
| KB4RCI | 13 | 65 | 2031-12-07 | — | Active |
| KB4RCJ | 13 | 75 | 2031-12-07 | — | Active |
| KB4RCK | 12 | 71 | 2029-04-09 | — | Active |
| KB4RCL | 12 | 71 | 2008-04-29 | 2010-04-30 | Available |
| KB4RCM | 11 | 69 | — | — | Available |
| KB4RCN | 13 | 67 | — | — | Available |
| KB4RCO | 12 | 73 | 2030-06-02 | — | Active (Vanity) |
| KB4RCP | 12 | 73 | — | — | Available |
| KB4RCQ | 12 | 75 | 2027-08-14 | — | Active |
| KB4RCR | 13 | 69 | — | — | Available |
| KB4RCS | 13 | 67 | — | — | Available |
| KB4RCT | 12 | 65 | — | — | Available |
| KB4RCU | 13 | 69 | 2025-11-27 | — | Active |
| KB4RCV | 12 | 71 | — | — | Available |
| KB4RCW | 12 | 71 | 2006-04-23 | 2008-04-24 | Available |
| KB4RCX | 12 | 73 | 2027-02-10 | — | Active |
| KB4RCY | 12 | 75 | — | — | Available |
| KB4RCZ | 12 | 73 | — | — | Available |
| KB4RDA | 12 | 63 | — | — | Available |
| KB4RDB | 12 | 67 | — | — | Available |
| KB4RDC | 12 | 69 | — | — | Available |
| KB4RDD | 12 | 65 | — | — | Available |
| KB4RDE | 12 | 59 | — | — | Available |
| KB4RDF | 12 | 67 | — | — | Available |
| KB4RDG | 11 | 67 | 2007-09-12 | 2009-09-13 | Available |
| KB4RDH | 12 | 65 | 2017-01-19 | 2019-01-20 | Available |
| KB4RDI | 13 | 61 | 2029-02-12 | — | Active |
| KB4RDJ | 13 | 71 | — | — | Available |
| KB4RDK | 12 | 67 | — | — | Available |
| KB4RDL | 12 | 67 | 2005-10-24 | 2007-10-25 | Available |
| KB4RDM | 11 | 65 | 1998-09-30 | 2000-10-01 | Available |
| KB4RDN | 13 | 63 | 2034-03-03 | — | Active |
| KB4RDO | 12 | 69 | 2008-08-21 | 2010-08-22 | Available |
| KB4RDP | 12 | 69 | — | — | Available |
| KB4RDQ | 12 | 71 | 2005-10-30 | 2007-10-31 | Available |
| KB4RDR | 13 | 65 | — | — | Available |
| KB4RDS | 13 | 63 | — | — | Available |
| KB4RDT | 12 | 61 | — | — | Available |
| KB4RDU | 13 | 65 | 2000-07-24 | 2002-07-25 | Available |
| KB4RDV | 12 | 67 | 2027-11-03 | — | Active |
| KB4RDW | 12 | 67 | — | — | Available |
| KB4RDX | 12 | 69 | — | — | Available |
| KB4RDY | 12 | 71 | 2006-04-18 | 2008-04-19 | Available |
| KB4RDZ | 12 | 69 | — | — | Available |
| KB4REA | 12 | 57 | 2035-07-11 | — | Active (Vanity) |
| KB4REB | 12 | 61 | 2012-03-27 | 2014-03-28 | Available |
| KB4REC | 12 | 63 | 2027-02-03 | — | Active |
| KB4RED | 12 | 59 | 2030-06-19 | — | Active (Vanity) |
| KB4REE | 12 | 53 | — | — | Available |
| KB4REF | 12 | 61 | — | — | Available |
| KB4REG | 11 | 61 | — | — | Available |
| KB4REH | 12 | 59 | 2025-11-28 | — | Active |
| KB4REI | 13 | 55 | 2036-01-31 | — | Active |
| KB4REJ | 13 | 65 | — | — | Available |
| KB4REK | 12 | 61 | — | — | Available |
| KB4REL | 12 | 61 | 2005-11-28 | 2007-11-29 | Available |
| KB4REM | 11 | 59 | 2026-11-28 | — | Active |