North American Numbers Source-cited · ownership disclosed
Area code
774
In service
United States · since 2001

South-central & southeastern Massachusetts (overlay)

Area code 774 is an overlay of 508, serving south-central and southeastern Massachusetts including Worcester, MetroWest, Cape Cod, and the Islands. It shares its geography with 508 and requires ten-digit dialing.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
South-central & southeastern Massachusetts (overlay)
Type
geographic
Status
in service
In service since
2001
Projected exhaust
2045 Q4

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 774 is

Southern Worcester County and MetroWest, plus Cape Cod, Martha's Vineyard, and Nantucket..

Communities served wholly or partly by 774:

WorcesterFraminghamBrocktonAttleboroTauntonFall RiverNew BedfordPlymouthBarnstableDartmouth

Same service area as 508; the two codes are geographically identical.

B · Relationships

How it relates to other codes

The codes 774 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Overlay · 2001 508 South-central & southeastern Massachusetts (Worcester) 774 overlays 508 across the same territory.
Related · 1988 617 Boston 508 (which 774 overlays) split from 617 in 1988.
What's changing. Overlay of 508; ten-digit dialing mandatory. Per Wikipedia (as of 2018), 508/774 projected to exhaust by 2045.
C · History

How 774 got here

2001-05-02
Area code 774 added to the 508 numbering plan area as an overlay; ten-digit dialing mandatory.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
544
Prefixes available
256
Thousands-blocks assigned
4,221

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 774 with another code →
Sources
Wikipedia ↗
Area code 774
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.