Area code · MA
617 area code
The 617 area code serves Boston, Massachusetts. Look up a specific 617 number, check spam reports, and stop spam calls automatically.
schedule2 min readUpdated May 15, 2026By the Halo team
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Location
Boston, MA
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Timezone
Eastern
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State
Massachusetts
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Major cities
Boston, Cambridge
ABOUTAbout the 617 area code
The 617 area code is assigned to Boston, Massachusetts. Phone numbers with this area code are used by residents and businesses in the Boston metropolitan area and surrounding communities.
If you've received an unwanted call from a 617 area code number, use the Halo phone lookup tool to check if it has been reported as spam. Halo AI blocks 99% of spam calls at the network level, protecting you from robocalls, scams, and telemarketers before they ever reach your phone.
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