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area code

Biggest city:





Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Boston, Chelsea, Winthrop, Cambridge, Newton, Somerville, Waltham, Malden, Everett, Watertown, Melrose, Belmont, Quincy, Brookline, Weymouth, Milton


Average Income:





Unemployment Rate:

The 617 area code is an integral part of Massachusetts' communication infrastructure, with a rich history and significant coverage. Historical Significance: Area code 617 was established on January 1, 1947, making it one of the original area codes in the North American Numbering Plan. It was assigned to serve the state of Massachusetts and continues to be a general-purpose code. This early establishment marks its significance in the telecommunication history of the United States​​. Geographical Coverage: Geographically, the 617 area code covers the eastern and more populous parts of Massachusetts. This includes a stretch from the western end of Worcester County to Cape Cod and the South Coast. This extensive coverage connects major urban and suburban areas, facilitating communications across a significant portion of the state​​. Demographic and Urban Reach: The 617 area code encompasses several key areas and cities in Massachusetts. Notably, it includes Boston, one of the state's most prominent cities, alongside other major areas such as Cambridge and Quincy. This area code covers five counties, reflecting its wide demographic and urban reach within the state​​​​. In conclusion, the 617 area code is not only a historical element of the North American telecommunication system but also a vital component in connecting various populous regions and cities within Massachusetts. Its establishment in the mid-20th century and its expansive geographical coverage underscore its importance in the state's communication network.
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