District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KC4APU | 12 | 69 | 2007-02-20 | 2009-02-21 | Available |
| KC4APV | 11 | 71 | — | — | Available |
| KC4APW | 11 | 71 | 2034-05-10 | — | Active (Vanity) |
| KC4APX | 11 | 73 | — | — | Available |
| KC4APY | 11 | 75 | — | — | Available |
| KC4APZ | 11 | 73 | — | — | Available |
| KC4AQA | 11 | 69 | — | — | Available |
| KC4AQB | 11 | 73 | 2017-04-08 | 2019-04-09 | Available |
| KC4AQC | 11 | 75 | 2028-07-26 | — | Active |
| KC4AQD | 11 | 71 | 2007-02-26 | 2009-02-27 | Available |
| KC4AQE | 11 | 65 | — | — | Available |
| KC4AQF | 11 | 73 | 2025-08-15 | 2027-08-16 | Canceled (grace period) |
| KC4AQG | 10 | 73 | — | — | Available |
| KC4AQH | 11 | 71 | — | — | Available |
| KC4AQI | 12 | 67 | — | — | Available |
| KC4AQJ | 12 | 77 | — | — | Available |
| KC4AQK | 11 | 73 | 1999-09-26 | 2001-09-27 | Available |
| KC4AQL | 11 | 73 | — | — | Available |
| KC4AQM | 10 | 71 | 2007-03-21 | 2009-03-22 | Available |
| KC4AQN | 12 | 69 | — | — | Available |
| KC4AQO | 11 | 75 | 2009-01-19 | 2011-01-20 | Available |
| KC4AQP | 11 | 75 | — | — | Available |
| KC4AQQ | 11 | 77 | — | — | Available |
| KC4AQR | 12 | 71 | — | — | Available |
| KC4AQS | 12 | 69 | 2027-08-25 | — | Active |
| KC4AQT | 11 | 67 | 2033-12-14 | — | Active (Vanity) |
| KC4AQU | 12 | 71 | 2008-04-07 | 2010-04-08 | Available |
| KC4AQV | 11 | 73 | — | — | Available |
| KC4AQW | 11 | 73 | — | — | Available |
| KC4AQX | 11 | 75 | — | — | Available |
| KC4AQY | 11 | 77 | — | — | Available |
| KC4AQZ | 11 | 75 | — | — | Available |
| KC4ARA | 12 | 63 | 2029-01-11 | — | Active |
| KC4ARB | 12 | 67 | 2000-02-20 | 2002-02-21 | Available |
| KC4ARC | 12 | 69 | 2031-10-25 | — | Active (Vanity) |
| KC4ARD | 12 | 65 | — | — | Available |
| KC4ARE | 12 | 59 | — | — | Available |
| KC4ARF | 12 | 67 | 1998-04-26 | 2000-04-27 | Available |
| KC4ARG | 11 | 67 | 1998-02-23 | 2000-02-24 | Available |
| KC4ARH | 12 | 65 | 2018-12-16 | 2020-12-17 | Available |
| KC4ARI | 13 | 61 | — | — | Available |
| KC4ARJ | 13 | 71 | — | — | Available |
| KC4ARK | 12 | 67 | 2007-02-20 | 2009-02-21 | Available |
| KC4ARL | 12 | 67 | 2027-02-21 | — | Active |
| KC4ARM | 11 | 65 | — | — | Available |
| KC4ARN | 13 | 63 | — | — | Available |
| KC4ARO | 12 | 69 | — | — | Available |
| KC4ARP | 12 | 69 | 2023-06-01 | 2025-06-02 | Available |
| KC4ARQ | 12 | 71 | — | — | Available |
| KC4ARR | 13 | 65 | — | — | Pending Application |
| KC4ARS | 13 | 63 | 2027-03-20 | — | Active |
| KC4ART | 12 | 61 | 2023-06-29 | 2025-06-30 | Available |
| KC4ARU | 13 | 65 | — | — | Available |
| KC4ARV | 12 | 67 | — | — | Available |
| KC4ARW | 12 | 67 | — | — | Available |
| KC4ARX | 12 | 69 | 2007-04-16 | 2009-04-17 | Available |
| KC4ARY | 12 | 71 | — | — | Available |
| KC4ARZ | 12 | 69 | — | — | Available |
| KC4ASA | 12 | 61 | 2032-07-21 | — | Active |
| KC4ASB | 12 | 65 | 2007-04-16 | 2009-04-17 | Available |
| KC4ASC | 12 | 67 | — | — | Available |
| KC4ASD | 12 | 63 | — | — | Available |
| KC4ASE | 12 | 57 | 2017-03-03 | 2019-03-04 | Available |
| KC4ASF | 12 | 65 | 2030-01-30 | — | Active |
| KC4ASG | 11 | 65 | — | — | Available |
| KC4ASH | 12 | 63 | 2035-07-18 | — | Active (Vanity) |
| KC4ASI | 13 | 59 | — | — | Available |
| KC4ASJ | 13 | 69 | — | — | Available |
| KC4ASK | 12 | 65 | 2017-10-15 | 2019-10-16 | Available |
| KC4ASL | 12 | 65 | — | — | Available |
| KC4ASM | 11 | 63 | 2007-05-12 | 2009-05-13 | Available |
| KC4ASN | 13 | 61 | 2002-01-21 | 2004-01-22 | Available |
| KC4ASO | 12 | 67 | — | — | Available |
| KC4ASP | 12 | 67 | 2031-08-06 | — | Active (Vanity) |
| KC4ASQ | 12 | 69 | — | — | Available |
| KC4ASR | 13 | 63 | — | — | Available |
| KC4ASS | 13 | 61 | — | — | Available |
| KC4AST | 12 | 59 | 2027-07-25 | — | Active (Vanity) |
| KC4ASU | 13 | 63 | 2027-04-06 | — | Active (Vanity) |
| KC4ASV | 12 | 65 | 2007-03-03 | 2009-03-04 | Available |
| KC4ASW | 12 | 65 | 2009-06-07 | 2011-06-08 | Available |
| KC4ASX | 12 | 67 | — | — | Available |
| KC4ASY | 12 | 69 | — | — | Available |
| KC4ASZ | 12 | 67 | — | — | Available |
| KC4ATA | 11 | 59 | 2027-11-14 | — | Active |
| KC4ATB | 11 | 63 | — | — | Available |
| KC4ATC | 11 | 65 | 1998-04-19 | 2000-04-20 | Available |
| KC4ATD | 11 | 61 | 2029-02-26 | — | Active |
| KC4ATE | 11 | 55 | 1998-06-07 | 2000-06-08 | Available |
| KC4ATF | 11 | 63 | — | — | Available |
| KC4ATG | 10 | 63 | — | — | Available |
| KC4ATH | 11 | 61 | 2032-07-21 | — | Active |
| KC4ATI | 12 | 57 | 2033-11-23 | — | Active |
| KC4ATJ | 12 | 67 | — | — | Available |
| KC4ATK | 11 | 63 | 1997-08-04 | 1999-08-05 | Available |
| KC4ATL | 11 | 63 | 2020-10-30 | 2022-10-31 | Available |
| KC4ATM | 10 | 61 | 2016-11-21 | 2018-11-22 | Available |
| KC4ATN | 12 | 59 | — | — | Available |
| KC4ATO | 11 | 65 | 2001-08-06 | 2003-08-07 | Available |
| KC4ATP | 11 | 65 | — | — | Available |