4-digit phone numbers were used in the early days of telephone systems, particularly in the mid-20th century. In the United States, 4-digit phone numbers were common in the 1940s and 1950s before transitioning to 7-digit numbers. The exact year when 4-digit phone numbers were phased out varied by location and telephone company.
1958
Definitely earlier than the year 2000. In April 2000, Portsmouth moved from six-digit local numbers to eight-digit numbers, as well as changing to the new, short area code of 023. (For example, Portsmouth City Council's number changed from 822251 to 92822251.) Instructions at the time referred only to how to convert six-digit local numbers to eight-digit numbers, so it is reasonable to assume that no five-digit numbers remained at that time.
I would guess from my research a 1974. the 10th digit is the year code and at 1080 they started using letter and not numbers. Before that the 10th digit was the last digit of the years for the 70's
In 1980 Vehicle Identification Numbers (VIN) were standardized using a seventeen digit system. Prior to 1980 manufacturers used VINs unique to their own company.
The sixth digit will tell the year, 5th digit will tell you the engine size.
the 10th digit is the year of the vehicle, letters stand for a year and the numbers stand for that year in 200?
The 1oth digit represents the year, however, a O or 0 is not used in vin identification numbers. See the link below for explanation.
17 digits in VIN. 10th digit signifies model year.
2002. VIN numbers since 1980 have had a standard 17 digits. The 10th digit refers to the model year.
The 10th digit is the year.
What numbers did cavemen use
if a cell has a two-digit year of 32 excel automatically changes it to a four-digit year