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/N4FNI

← Back to results

N4FNI

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderHAYES, MARK O

License ClassP

Min. Class RequiredGeneral

LocationMissoula, MT

Grant DateJan 5, 2021

Expiration DateJan 5, 2031

N4FNI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HAYES, MARK O in Missoula, MT. 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 NUNEZ IRIZARRY, FELIX R on Dec 15, 2020. N4FNI has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-. ....- ..-. -. ..

CW Weight: 23 units(Light (fast to send))

Voice Phonetics

November Four Foxtrot November India

Readability: 6.5/10(Good readability)

License History

License IssuedJan 5, 2021
Vanity Callsign GrantedJan 5, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

NUNEZ IRIZARRY, FELIX RFiled Dec 15, 2020
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N4FNH N4FNL →

FCC data as of Sep 4, 2026

N4FNI FCC Vanity Status: 1 Competing Application & History