Area code 617
Massachusetts · Boston, Cambridge
- Area code
- 617
- Country
- United States
- Region
- Massachusetts
- Major cities
- Boston, Cambridge
- Time zone
- America/New_York
- Note
- Boston area code.
This is a domestic area code inside United States. It is not the international calling code.
Frequently asked questions
Which cities use area code 617?
Area code 617 serves Massachusetts in United States, including Boston, Cambridge.
What region does area code 617 cover?
Area code 617 covers Massachusetts. Area codes route calls to a specific city or region within a country's national telephone network.
What is the difference between an area code and a calling code?
A calling code routes a call across borders to a national network, while an area code routes it to a city or region inside that network. For a United States number, the country calling code is the international prefix and 617 is the domestic area code.
What time zone is area code 617 in?
Area code 617 is in the IANA time zone America/New_York.
Is area code 617 the international calling code?
No. 617 is a domestic area code inside United States, not the international calling code. To call this region from abroad, you dial the country's calling code first, then 617 and the local number.