What does 700 mean in US Phone Area Codes?

700

700 (DCC) was a leap year starting on Thursday of the Julian calendar, the 700th year of the Common Era (CE) and Anno Domini (AD) designations, the 700th year of the 1st millennium, the 100th and last year of the 7th century, and the 1st year of the 700s decade. As of the start of 700, the Gregorian calendar was 3 days ahead of the Julian calendar, which was the dominant calendar of the time. The denomination 700 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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