What does 484 mean in US Phone Area Codes?

484

Year 484 (CDLXXXIV) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Venantius and Theodoricus (or, less frequently, year 1237 Ab urbe condita). The denomination 484 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

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