Number plates here go by the year of the car and whether it was first registered in the first or second half of that year - so cars new this year up to June would have Number plate beginning 221. The rest of the year will begin 222. Then the letter(s) denoting what county the car is registered in - D for Dublin, for example or KY for Kerry, as opposed to KE for Kildare. And then the last series of numbers, how many cars were registered in this area, in this time period. So, eg, 221 D 1067 would indicate that this car was new in the first half of 2022, was registered in Dublin, and was the 1,067th car registered in Dublin in the first half of this year.
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