KJ4MMM
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCLAYVILLE, DWIGHT S
License ClassGeneral
Min. Class RequiredTechnician
LocationPuyallup, WA
Grant DateJun 3, 2009
Expiration DateJun 3, 2019
Cancellation DateJun 4, 2021
Available for ApplicationsJun 4, 2021
KJ4MMM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by CLAYVILLE, DWIGHT S in Puyallup, WA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Jolly, Mike on Jun 18, 2025. KJ4MMM has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- -- -- --
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Juliet Four Mike Mike Mike
Readability: 8.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJun 4, 2021
- System-Generated GrantJun 3, 2009
- License IssuedJun 3, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Jolly, MikeFiled Jun 18, 2025Not awardedFCC ↗