Nebraska uses sequential-issuance three-letter, three-number plates for its most populous counties and county-coded plates for the rest of the counties consisting of 1 or 2 letters and up to 5 numbers.Maine uses a varying number of digits, but most Maine plates consist of four digits and two letters.The most common issue consists of four letters and two digits, but alternate standard issues contain four digits and two letters. Florida uses six-character serial numbers, but the combinations vary.Previous serial formats and optional issues are not depicted. Only the current passenger standard-issue serial format is depicted.
