What time zone is area code 781 in?

Area code 781 uses Eastern Time.

What area codes overlay 781?

339 serves the same area as 781. 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 781 a scam?

The area code alone doesn’t tell you. Most calls from 781 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 781 number, let it go to voicemail.

When did area code 781 start?

781 went into service in 1997. It was created from area code 617.

Can a 781 number be outside Massachusetts?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 781 caller can be anywhere.

Area code 781

Where is area code 781?

Waltham, Lexington and Burlington, Massachusetts

Local time: … (Eastern Time)

State	Massachusetts
Country	United States
Main cities	Waltham, Lexington and Burlington
Time zone	Eastern Time
Overlay area codes	339
In service since	1997 (created from 617)
Assigned prefixes	769
Dialing format	(781) XXX-XXXX · +1 781 XXX XXXX from abroad

Look up a 781 number

Cities and towns in area code 781

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 781.

Phone companies in area code 781

The carriers that hold the most 781 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

Prefixes	Carrier
225	Verizon New England
92	Mcimetro Access Transmission Services
69	Paetec Itel
59	Level 3 Communications
57	Tc Systems
43	Metropcs (T-Mobile)
42	Verizon Wireless
35	Comcast IP Phone

All 769 prefixes in area code 781

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

Area codes that overlay 781

Questions

Where is area code 781?: Area code 781 is in Massachusetts. It serves Waltham, Lexington, Burlington, Lynn and Woburn and 38 other cities and towns.
What time zone is area code 781 in?: Area code 781 uses Eastern Time.
What area codes overlay 781?: 339 serves the same area as 781. 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 781 a scam?: The area code alone doesn’t tell you. Most calls from 781 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 781 number, let it go to voicemail.
When did area code 781 start?: 781 went into service in 1997. It was created from area code 617.
Can a 781 number be outside Massachusetts?: Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 781 caller can be anywhere.

Other area codes in Massachusetts

Area code	Main cities
351	Acton, Gloucester and Lowell
413	Springfield, Holyoke and Amherst
508	Worcester, Framingham and Brockton
617	Boston, Cambridge and Newton
774	Worcester, Framingham and Brockton
857	Boston, Cambridge and Brookline
978	Lawrence, Lowell and Billerica