Area code 351
Area code 351 is a telephone area code in the North American Numbering Plan. It serves Massachusetts, the United States.
- 351area code
- MAMassachusetts
- UScountry
- 2-May-01in service
How to dial a 351 number
From within the United States and Canada, dial 1, then 351, then the seven-digit number. From another country, dial your international access code, then +1 351 and the seven-digit number.
Area code 351 covers the same territory as 978. When several area codes share one area like this, it is called an overlay.
Other area codes in Massachusetts
339, 413, 508, 617, 774, 781, 857, 978
Frequently asked questions
Where is area code 351?
Area code 351 serves Massachusetts, the United States.
What is the country code for a 351 number?
Numbers with North American area codes use the country calling code +1.