4 IO Number Plate
The known history of 4IO, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 13 Sept 2026, 15:06
4 IO (4IO) — Number Plate History & Timeline
Also written as 4IO. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 4 IO.
Issued
This number plate was originally issued between January 1904 and February 1913 in Birmingham
Own 4 IO? Get a free valuation and cash offer here
Alternatively, list this plate on our site for free.
What is 4 IO worth?
The value of 4 IO is influenced by its rare 1x2 dateless format, the relevance and popularity of the letters IO and prices achieved by comparable registrations.
Found this interesting? Add NumberPlates.org as a preferred source on Google