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Sent TeamMar 8, 2026 / area code / Article

Area Code 351: Massachusetts Coverage, Cities, and Telecom Info

Area code 351 is a Massachusetts overlay for area code 978, serving central/northeast regions. Covers cities like Beverly (42.55843, -70.88005) & Lowell. What's the implementation date? Why is 10-digit dialing required? Details on VoIP, landline, wireless services & NANPA regulation inside.

Frequently Asked Questions

What area code is Lawrence MA in?

When was area code 351 implemented in Massachusetts?

Why was a new area code (351) needed in Massachusetts?

Is 10-digit dialing required for calls within area code 351?

What area code was split to create area code 978?

What part of Massachusetts is covered by area code 351?

What types of phone services are available in the 351 area code?

Which cities are included in the 351 area code overlay?

Where can I find the coordinates for cities within area code 351?

What is the regulatory body for area code 351?

What is the NPA code for the 351 area code in Massachusetts?

When did permissive dialing end for area code 978 in Massachusetts?

Where can I find historical context of the creation of area code 978?

What area code is Beverly Massachusetts?

When was area code 351 Massachusetts created?

How to dial a 351 number from a 978 number?

Why does Massachusetts have area code 351?

What area code is Fitchburg MA?

What is area code 351 overlayed on?

What cities are covered by area code 351?

What services are available in area code 351?

When should I use 10-digit dialing for 351?

What is the history of area code 351 in MA?

Where can I find regulatory info for area code 351?

What is the NPA code for Massachusetts 351?