Massachusetts Area Codes: Complete Guide to All 9 MA Codes (2026)
Complete guide to all 9 Massachusetts area codes — 617/857, 781/339, 978/351, 508/774, and 413. Coverage maps, overlay pairs, Boston history, and local calling tips.

Massachusetts has 9 area codes — organized in 4 overlay pairs plus one standalone — serving a state of over 7.1 million people across 14 counties. From the cobblestone streets of Boston to the cranberry bogs of Cape Cod, from the tech corridor of Route 128 to the basketball courts of Springfield, the Bay State packs more American history per square mile than anywhere else in the country.
This is the state where colonists destroyed 92,000 pounds of tea and swept the ship decks clean afterward, where the man who actually completed Paul Revere's ride is virtually unknown, where an 80-year-old man chose to be crushed to death under stones rather than let the government seize his estate, where a university older than the United States sits on $53 billion, where a gym teacher invented basketball because his class wouldn't behave, and where a $15 billion highway tunnel killed a woman because of $1,287 worth of the wrong epoxy. Massachusetts's motto is "By the sword we seek peace, but peace only under liberty."
Massachusetts Area Codes Quick Facts
All 9 Massachusetts Area Codes
617 (1947, original) • 857 (2001, overlay) — Boston, Cambridge, Brookline, Somerville, Quincy, Chelsea, Everett, Watertown. Originally covered eastern 2/3 of MA. 10-digit dialing since May 2001.
781 (1997, split from 617) • 339 (2001, overlay) — Lynn, Waltham, Medford, Weymouth, Lexington, Burlington, Braintree, Dedham, Wellesley, Norwood. Route 128 tech corridor. 10-digit dialing since May 2001.
978 (1997, split from 508) • 351 (2001, overlay) — Lowell, Lawrence, Salem, Haverhill, Gloucester, Fitchburg, Leominster, Newburyport, Concord. Salem Witch Trials territory. 10-digit dialing since May 2001.
508 (1988, split from 617) • 774 (2001, overlay) — Worcester, New Bedford, Fall River, Brockton, Plymouth, Cape Cod, Martha's Vineyard, Nantucket, Framingham, Foxborough. Most populated area code zone in MA (~1.8M). 10-digit dialing since May 2001.
413 (1947, original) — Springfield, Pittsfield, Northampton, Amherst, Holyoke, Chicopee, Greenfield, Great Barrington. Birthplace of basketball. Only MA code with no overlay — 7-digit local dialing still works. Never split.
Massachusetts Area Code Timeline
617 and 413 — Massachusetts gets two of the original 86 US area codes. 617 covers the eastern 2/3, 413 the western 1/3
508 splits from 617 on July 16 — takes the outer ring (Worcester, South Coast, Cape and Islands). First MA split in 41 years
781 splits from 617 (inner suburbs) and 978 splits from 508 (northeast MA) — both on September 1
Four overlays activate simultaneously on May 2: 857 on 617, 339 on 781, 351 on 978, 774 on 508. 10-digit dialing mandatory statewide except 413
The Boston Tea Party: 342 Chests, Zero Damage to Anything Else (1773)
On the night of December 16, 1773, an estimated 30 to 130 colonists — many disguised as Mohawk warriors — boarded three ships at Griffin's Wharf in Boston Harbor (617 area code). Over three hours, they destroyed 342 chests of British East India Company tea weighing over 92,000 pounds (~46 tons).
The damages: £9,659 — approximately $1.7 million today. But here's the remarkable part: the colonists were meticulous. They swept the ships' decks clean afterward and put everything besides the tea back in its proper place. Nothing else was damaged. This was not a riot — it was a highly organized act of targeted economic protest. The event directly triggered Parliament's Coercive Acts, which colonists called the "Intolerable Acts," accelerating the path to Revolution.
Paul Revere's Ride: The Man Who Actually Finished It (1775)
The famous midnight ride of April 18-19, 1775, was not a solo mission. Three riders were dispatched: Paul Revere and William Dawes were sent to warn Adams and Hancock in Lexington (781 area code). Dr. Samuel Prescott, a local physician returning from a lady friend's house at 1 AM, joined them en route to Concord (978 area code).
All three were intercepted by a British patrol in Lincoln. Revere was captured. Dawes was thrown from his horse and retreated. Only Prescott jumped his horse over a stone wall into dense woods and escaped to complete the ride to Concord. Revere became the famous one entirely because of Longfellow's 1860 poem, which was deliberately inaccurate. And Revere never shouted "The British are coming!" — most colonists still considered themselves British. The actual warning: "The Regulars are coming out!"
The Salem Witch Trials: "More Weight" (1692)
Between February 1692 and May 1693, over 200 people were accused of witchcraft in and around Salem (978 area code). 30 were found guilty. 19 were hanged (14 women, 5 men). One man — Giles Corey, age 80 — was pressed to death over two days under heavy stones after refusing to enter a plea.
Corey's final words: "More weight." His refusal to plead was strategic — by dying without a conviction, his estate passed to his sons-in-law per his will instead of being forfeited to the government. The trials ended when Governor William Phips dissolved the special court in October 1692. The new court refused to accept "spectral evidence" (testimony that the accused's spirit appeared to the witness). Most remaining cases ended in acquittal.
Harvard: 140 Years Older Than the United States, $53 Billion Endowment
Harvard was founded on October 28, 1636 in Cambridge (617 area code) — just 16 years after the Pilgrims landed at Plymouth. It was the oldest institution of higher learning in the United States, and for more than 50 years it was the only college in America.
It's named for John Harvard, who died in 1638 and left half his estate and over 400 books to the school. He didn't found Harvard — he was its first major benefactor. In 1638, Harvard received the first printing press in North America. Today, Harvard's endowment stands at approximately $53 billion — the wealthiest academic institution in the world, larger than the GDP of over 100 countries.
Basketball: Invented in Springfield Because a Gym Class Wouldn't Behave (1891)
On December 21, 1891, Canadian-American instructor James Naismith invented basketball at the YMCA Training School in Springfield (413 area code). He'd been given a 14-day deadline by physical education head Luther Gulick to create an indoor game for a rowdy winter gym class.
The first game used a soccer ball and two peach baskets nailed to the balcony railing, with 9 players per side. Every time someone scored, the game stopped so a janitor could climb a ladder to retrieve the ball. It took years before someone thought to cut the bottom out. Naismith wrote the original 13 rules. The Basketball Hall of Fame in Springfield moved to a $47 million facility in 2002 and has inducted 436 members. A sport now played in over 200 countries started because one gym class wouldn't behave.
The Big Dig: $2.5 Billion Estimate, $15 Billion Final Cost, $1,287 of Wrong Epoxy
Boston's Central Artery/Tunnel Project (617 area code) replaced an elevated highway with underground tunnels. Original estimate: $2.56 billion. Final cost: over $15 billion in direct expenses, or $21.93 billion including interest — a 190% overrun even adjusted for inflation.
On July 10, 2006, a 26-ton concrete ceiling panel collapsed in the Fort Point Channel Tunnel, killing Milena Del Valle, age 39. The cause: workers had secured the ceiling with a fast-drying epoxy that had "exceptionally poor" resistance to creep. The epoxy at the failed section cost $1,287.60. A woman died because of $1,287 of wrong glue in a $15 billion project. Powers Fasteners paid $16 million to settle; Bechtel paid over $450 million.
Plymouth Rock: America's Most Famous Historical Fraud
The Pilgrims arrived aboard the Mayflower after a 66-day voyage in late 1620, but they did not first land at Plymouth. They first anchored at Provincetown Harbor (508 area code) on November 11, 1620, explored Cape Cod for weeks, and only then settled at Plymouth.
Plymouth Rock as the "landing site" was first claimed by Elder Thomas Faunce in 1741 — 121 years after the Pilgrims arrived. Faunce was not an eyewitness. No Pilgrim ever mentioned Plymouth Rock in any writing. The Mayflower Compact, signed November 11, 1620, is often called a foundational democratic document — but after the Plymouth Colony's demise in the 1690s, it was largely forgotten for over a century. Politicians like John Quincy Adams later drew connections to the Constitution that historians consider tenuous.
New Bedford: When One City Controlled Half the World's Whaling Fleet
In the mid-1800s, New Bedford (508 area code) was the wealthiest city per capita in North America. In the peak year of 1857, New Bedford had 329 whaling vessels — more than 55% of the entire American whaling fleet. The fleet was valued at over $12 million (~$420 million today).
Herman Melville worked on a whaler out of nearby Fairhaven in 1841 — the experience directly inspired Moby-Dick (1851). The decline came swiftly: the discovery of petroleum in Pennsylvania in 1859 began replacing whale oil. New Bedford's last whaler sailed in 1927. The 13-block historic whaling district is now a National Historical Park.
Massachusetts Area Code Tools
Related Area Code Guides
MA City Guides
- Boston Area Code — 617/857 guide
- 508/774 — Worcester / Cape Cod
- 413 — Springfield / Western MA
Nearby State Guides
- New Jersey — 10 area codes
- 860/959 — Connecticut
- 401 — Rhode Island
- 603 — New Hampshire
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