Area Code Lookup
What Area Code Is Winchendon?
Area code 351 · Massachusetts
Winchendon uses area code 351. It is located in Massachusetts.
Area Code Serving Winchendon
Frequently Asked Questions
What area code is Winchendon?
Winchendon uses area code 351. It is located in Massachusetts.
How do I call Winchendon from outside the US?
To call Winchendon from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-351-XXX-XXXX). The +1 is the country code for all NANPA countries.