Massachusetts area codes
Massachusetts has 9 area codes. All on Eastern Time.
Calling Massachusetts right now
Calling hours: Every day, 8 AM to 8 PM (Massachusetts law)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
When can you call Massachusetts numbers?
Sales calls to homes and cell phones have legal hours, set by Massachusetts law. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.
What applies in MassachusettsEvery day, 8 AM to 8 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Massachusetts lawEvery day, 8 AM to 8 PMM.G.L. c. 159C §3 (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
Massachusetts area code FAQ
How many area codes does Massachusetts have?
9: 339, 351, 413, 508, 617, 774, 781, 857 and 978.
What time zone is Massachusetts area codes in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
What is the newest Massachusetts area code?
339, in service since May 2, 2001.
When can you call Massachusetts numbers?
Every day, 8 AM to 8 PM, local time, under Massachusetts law.
Calling Massachusetts numbers? Reach more of them.
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