MASSACHUSETTS · AREA CODE GUIDE
617 area code location: Boston, Cambridge, and Quincy, Massachusetts
- Local date and time
- Eastern Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the 617 area code map
A printable area code 617 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
617 area code at a glance
- State
- Massachusetts
- Primary cities
- Boston, Cambridge, and Quincy
- Established
- Population
- Largest community: Boston, 672,973 (2025)Not an area-code population.
- Prefixes in service
- 768 as of 13 October 2026
An area code does not show where a caller is now.
History
Country and calling code: United States (+1).
New code planned: No, as of 22 September 2026.
Time zone
- Eastern Time
- Standard time UTC−05:00
- Daylight saving time UTC−04:00
Counties and cities covered
617 numbers are issued across 20 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
Counties of the communities we could place (the code may reach further): Middlesex County, Suffolk County, and Norfolk County.
- Boston
- Cambridge
- Quincy
- Newton
- Somerville
- Everett
- Chelsea
- Watertown
- Belmont
- Brighton
- Brookline
- Charlestown
- Dorchester
- East Boston
- Hyde Park
- Jamaica Plain
- Milton
- Roxbury
- South Boston
- Winthrop
Notable places in 617
| Place | Where | What it is |
|---|---|---|
| Harvard University | 0.2 km from Cambridge | University, 37,558 12-month enrollment (2023–24) |
| Massachusetts Institute of Technology | 2.8 km from Cambridge | University, 12,915 12-month enrollment (2023–24) |
| Boston University | 2.7 km from Roxbury | University, 45,380 12-month enrollment (2023–24) |
| Museum of Fine Arts Boston | 1.6 km from Roxbury | Museum |
| Logan International Airport | 2.4 km from Winthrop | Commercial airport, 21,090,721 enplanements (2024) |
| Fenway Park | 2.4 km from Roxbury | Stadium |
| Isabella Stewart Gardner Museum | 1.5 km from Roxbury | Museum |
| Museum of Bad Art | 1.7 km from South Boston | Museum |
| Boston Garden | 1.4 km from Charlestown | Arena |
| Arnold Arboretum | 1.4 km from Jamaica Plain | Botanical garden |
Also serving this area
Questions about 617
Where is the 617 area code?
617 is in Massachusetts. Its numbers are issued in Boston, Cambridge, Quincy, and 17 other communities.
What time zone is area code 617 in?
617 is in Eastern Time. Daylight saving time is observed.
Does 617 have an overlay?
Yes. 857 was added as an overlay on 617 on 2 May 2001.
What cities are in the 617 area code?
Boston, Cambridge, Quincy, Newton, and Somerville, and 15 other communities.
What state is area code 617 in?
Area code 617 is in Massachusetts.
What counties are covered by area code 617?
Area code 617 covers communities in Middlesex County, Suffolk County, and Norfolk County.
Is 617 a toll-free area code?
No. 617 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: NANPA area code listing, NANPA places by area code, NANPA central office code assignments, U.S. Census Bureau population estimates, OMB metropolitan area delineations. Checked .
Business phone numbers in area code 617, answered by an AI agent
A local number for Boston, Cambridge, and Quincy, Massachusetts, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.