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  5. Area Code 781

Where Is Area Code 781?

Area code 781 is found in the US state of Massachusetts. Primarily servicing the city of Lynn (population: 91794), area code 781 covers 5 counties of Massachusetts.

Located in the Eastern time zone, area code 781 is on the same time as New York, NY.

Area code 781 was brought into effect on September 1, 1997. 781 was split from the parent 617 area code.

Map of  with area code 781 highlighted

Counties in Area Code 781

  • Essex,
  • Middlesex,
  • Norfolk,
  • Plymouth,
  • Suffolk.

Most Populous Cities in Area Code 781

City County City Population Time Zone
Lynn Essex 91,794 EST
Waltham Middlesex 62,007 EST
Malden Middlesex 60,854 EST
Revere Suffolk 53,415 EST
Arlington Middlesex 43,816 EST
Woburn Middlesex 39,786 EST
Braintree Norfolk 36,329 EST
Randolph Norfolk 32,685 EST
Lexington Middlesex 32,106 EST
Norwood Norfolk 29,070 EST
Melrose Middlesex 27,595 EST
Stoughton Norfolk 27,441 EST
Saugus Essex 27,106 EST
Marshfield Plymouth 25,677 EST
Wakefield Middlesex 25,294 EST
Belmont Middlesex 25,224 EST
Dedham Norfolk 25,116 EST
Burlington Middlesex 25,043 EST
Reading Middlesex 24,499 EST
Hingham Plymouth 22,373 EST
Stoneham Middlesex 21,923 EST
Canton Norfolk 21,914 EST
Winchester Middlesex 21,867 EST
Needham Norfolk 20,257 EST
Marblehead Essex 20,140 EST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last modified on July 3, 2015.