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/KB4LRZ

← Back to results

KB4LRZ

Available2x3Zone 4

License HolderHOFFMAN, WILLIAM C

License ClassTechnician

Min. Class RequiredTechnician

Grant DateOct 7, 2004

Expiration DateOct 18, 2014

Cancellation DateOct 19, 2016

Available for ApplicationsOct 19, 2016

This callsign is available now

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

License History

License ExpiredOct 19, 2016
License ModifiedNov 14, 2000

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

← KB4LRW KB4LSG →

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

KB4LRZ — CallsignFinder.com