What time zone is area code 617 in?

Area code 617 uses Eastern Time.

What area codes overlay 617?

857 serves the same area as 617. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 617 a scam?

The area code alone doesn’t tell you. Most calls from 617 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 617 number, let it go to voicemail.

Can a 617 number be outside Massachusetts?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 617 caller can be anywhere.

Area code 617

Where is area code 617?

Boston, Cambridge and Newton, Massachusetts

Local time: … (Eastern Time)

State	Massachusetts
Country	United States
Main cities	Boston, Cambridge and Newton
Time zone	Eastern Time
Overlay area codes	857
In service since	1947
Assigned prefixes	768
Dialing format	(617) XXX-XXXX · +1 617 XXX XXXX from abroad

Look up a 617 number

Cities and towns in area code 617

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 617.

Phone companies in area code 617

The carriers that hold the most 617 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

Prefixes	Carrier
326	Verizon New England
71	Mcimetro Access Transmission Services
68	New Cingular Wireless PCS (AT&T)
44	Paetec Itel
41	Tc Systems
39	Level 3 Communications
38	Verizon Wireless
32	Omnipoint Miami E License (T-Mobile)

All 768 prefixes in area code 617

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 617

Questions

Where is area code 617?: Area code 617 is in Massachusetts. It serves Boston, Cambridge, Newton, Quincy and Brookline and 23 other cities and towns.
What time zone is area code 617 in?: Area code 617 uses Eastern Time.
What area codes overlay 617?: 857 serves the same area as 617. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 617 a scam?: The area code alone doesn’t tell you. Most calls from 617 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 617 number, let it go to voicemail.
When did area code 617 start?: 617 went into service in 1947.
Can a 617 number be outside Massachusetts?: Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 617 caller can be anywhere.

Other area codes in Massachusetts

Area code	Main cities
339	Lynn, Bryantvl and Weymouth
351	Acton, Gloucester and Lowell
413	Springfield, Holyoke and Amherst
508	Worcester, Framingham and Brockton
774	Worcester, Framingham and Brockton
781	Waltham, Lexington and Burlington
978	Lawrence, Lowell and Billerica