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US area code · Massachusetts

781 area code

Where the 781 area code is, its overlay and how to dial a +1 781 number from anywhere.

CoversArlington, MassachusettsTime zoneEastern (ET)TypeOverlay
Quick answer

The 781 area code is in Arlington, Massachusetts, United States (Eastern (ET)). To call from abroad: +1 781 555-0123. It is an overlay, so all 10 digits are dialled.

StateMassachusetts
Main areaArlington
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since16-Jun-1997

The 781 area code is a geographic North American Numbering Plan (NANP) code covering Arlington, Massachusetts. It has been in service since 16-Jun-1997 and sits in the Eastern (ET) time zone.

Overlay 781 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

781339617

How to dial a 781 number

From abroad+1 781 555-0123
Within the US / Canada1 781 555-0123
Locally (same area)781 555-0123

Cities in the 781 area code

A 781 number is usually in one of these places in Massachusetts — 4 counties.

Arlington MiddlesexBraintree NorfolkBurlington MiddlesexDedham NorfolkLexington MiddlesexLynn EssexMalden MiddlesexMarblehead EssexMedford MiddlesexMelrose MiddlesexNeedham NorfolkNorwood NorfolkRandolph NorfolkReading MiddlesexRevere SuffolkSaugus EssexStoneham MiddlesexWakefield MiddlesexWaltham MiddlesexWellesley NorfolkWeymouth NorfolkWinchester MiddlesexWoburn Middlesex

Other Massachusetts area codes

339351413508617774857978

Frequently asked questions

Where is the 781 area code?

The 781 area code is in Arlington, Massachusetts, United States (Eastern (ET)).

Is 781 an overlay area code?

Yes. 781 overlays the same region as 339, 617, so callers dial all 10 digits.

Do I have to dial 10 digits for 781?

Yes — dial the area code plus the seven-digit number.

How do I call a 781 number from another country?

Dial your exit code (or +), then 1, then 781, then the number: +1 781 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 781 number does not pinpoint a street or ZIP code.

Number holders in area code 781

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 795 prefixes are in use in 781, shared by 29 companies. The largest holders:

CompanyPrefixesShare
Verizon New England Inc.23229%
Mcimetro Access Transmission Services LLC9212%
Paetec Itel, LLC699%
Level 3 Communications, LLC597%
Tc Systems, Inc.577%
Metropcs, Inc.435%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 781 numbers

Reports to the FTC, last 30 days
392
Recorded messages or robocalls
70%
Rank among area codes
#252 of 670
Most reported subjects
Other (130)
Reducing your debt (credit cards, mortgage, student loans) (115)
Home improvement & cleaning (38)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 781 — cities & rate centres

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