Confidence: Medium · Source: FCC ULS · As of 2026-09-09

W0TZ

Active

ZWOLAK, TIMOTHY

Location: LITTLETON, CO
Class: Amateur Extra
Granted: 2022-03-18
Expires: 2032-03-18
Previous call: N0TZW
FRN: 0029798923

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Vanity availability

Held

Currently held

W0TZ is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

N0TZWcancelled· E
ZWOLAK, TIMOTHYCOgranted 2020-08-21cancelled 2022-03-18
KF0BBJcancelled· T
ZWOLAK, TIMOTHYCOgranted 2020-08-03cancelled 2020-08-21

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

KB7PWB 2026-09-10
KF0RME 2026-09-10
KD0TBG 2026-09-11
KD0TBU 2026-09-11
KD0TBW 2026-09-11

Starting with W0

All →

W0GAB MO · 2026-09-16
W0SCL CO · 2026-09-17
W0DMY KS · 2026-09-20
W0CVF CO · 2026-09-23
W0KLD MO · 2026-09-24

Full history → Vanity availability → Callsign genealogy →