Area Code 978 covers area of central Massachusetts - created on 1st September 1997. It was created when code 508 got split to fulfill ever increasing demands of telephone lines. After sometime, on 2nd May 2001 an overlay 351 was added to code 978.
Area code size depends on the population of area. The three-digit code represents a specific region. Area codes are also significant because by having three extra digits increases the possible number of phone combinations by manifold. Indeed, today when heavily populated areas of the country start to run out of phone number combinations within their area code, the first thing they generally do is establish a new area.
There are total three codes serving region of Central Massachusetts:
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