TAMCO LTD HIN Decoder
Hull Identification Numbers beginning with ZAM were assigned by the US Coast Guard to TAMCO LTD of WINDSOR 40, ON. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
ZAM
Location
WINDSOR 40, ON
In business
since 1975
Status
Listed active in USCG records
TAMCO LTD built hulls across both HIN eras (1975–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
The optional $19.99 Boat History Report adds stolen-boat, salvage/auction, incident, and USCG documentation checks — one-time, no subscription (typical boat-history services charge $25+).
TAMCO LTD HIN FAQ
What does a TAMCO LTD HIN look like?
It starts with the three characters "ZAM" — the Manufacturer Identification Code the US Coast Guard assigned to TAMCO LTD — followed by a 5-character hull serial and a 4-character date code, 12 characters total. TAMCO LTD built hulls across both HIN eras (1975–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is TAMCO LTD still in business?
USCG records list TAMCO LTD of WINDSOR 40, ON in the MIC database (registered 1975).
How do I decode the year on a TAMCO LTD HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. TAMCO LTD built hulls across both HIN eras (1975–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in ON
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "TAMCO LTD HIN Decoder," carwhere.com/hin-decoder/zam, last verified 2026-06-12.