CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/KK4WIV

← Back to results

KK4WIV

Available2x3Zone 4

License HolderMathieu Jr, John P

License ClassTechnician

Min. Class RequiredTechnician

Grant DateJan 13, 2014

Expiration DateMar 5, 2024

Cancellation DateMar 6, 2026

Available for ApplicationsMar 6, 2026

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredMar 6, 2026
System-Generated GrantJan 13, 2014
License IssuedJan 13, 2014

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications detected. Monitor the FCC ULS application search to verify before filing.

Explore nearby callsigns

← KK4WIU KK4WIW →

FCC data as of Jun 12, 2026 — may be delayed

KK4WIV — CallsignFinder.com