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List of Massachusetts area codes

Wikimedia list article

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 7, 2026
Entity authorityQ6589423 ↗
Source-derived summary

Massachusetts is divided into five distinct numbering plan areas (NPAs) in the North American Numbering Plan (NANP), which are served by nine area codes, organized as four overlay complexes and a single-area code NPA.

Eastern Massachusetts has area codes 339, 351, 508, 617, 774, 781, 857, and 978. Western Massachusetts has area code 413.

The numbering plan areas are organized into two local access and transport areas (LATAs): 126 comprises the western part, and 128 covers the central and eastern parts.

See also

List of North American Numbering Plan area codes

Original North American area codes

References

External links

Media related to Area code maps of Massachusetts at Wikimedia Commons

Detailed map of Massachusetts area codes (pdf), Office of the Secretary of the Commonwealth of Massachusetts

"Area Code Maps". North American Numbering Plan Administrator.

Editorial summary

“List of Massachusetts area codes” enters the record as wikimedia list article. Crown Archives preserves that source wording while asking what List, Massachusetts and area can confirm, complicate or overturn.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 134-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its strongest next move is a source search built around List, Massachusetts and area.
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“List of Massachusetts area codes” is worth following because a concise public description often conceals a longer documentary argument. Here, List, Massachusetts and area provides the most credible route into that argument.

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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jan 7, 2026. The linked authority identifier is Q6589423. None of the 0 selected statements returned an explicit reference.

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This entry incorporates text from “List of Massachusetts area codes” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.