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W4ZYO

Available1x3District 4

No competing applications on record.

License HolderMILLS, WALLACE S D

License ClassTechnician

Min. Class RequiredGeneral

LocationSOUTH BERWICK, ME

Grant DateJul 12, 1988

Expiration DateJul 12, 1998

Cancellation DateJul 13, 2000

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W4ZYO

Available1x3District 4

No competing applications on record.

License HolderMILLS, WALLACE S D

License ClassTechnician

Min. Class RequiredGeneral

LocationSOUTH BERWICK, ME

Grant DateJul 12, 1988

Expiration DateJul 12, 1998

Cancellation DateJul 13, 2000

Available for ApplicationsJul 13, 2000

W4ZYO is a 1x3 format amateur radio callsign. It is currently registered to MILLS, WALLACE S D in SOUTH BERWICK, ME. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

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

CW Weight: 41 units(Heavy (slower to send))

Voice Phonetics

Whiskey Four Zulu Yankee Oscar

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredJul 13, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

Search external databases

QRZ ↗HamQTH ↗

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FCC data as of Sep 4, 2026

Is W4ZYO Available? FCC Vanity Status & Watchlist