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Sent TeamMar 8, 2026 / area code / Article

Area Code 631: Coverage and Details for North Bay Shore, New York

Area code 631 serves Suffolk County, NY, on Long Island's east end. This guide details its coverage area (40.73621??N, -73.26262??W for North Bay Shore), dialing (10D local), history (split from 516 in 1999), and regulatory oversight by NYPSC. Understand 631's telecom landscape.

Frequently Asked Questions

What area code is North Bay Shore New York?

How do I dial a 631 number from outside New York?

Why was area code 631 created?

What towns are included in area code 631?

How to make a local call within area code 631?

Where is area code 631 geographically located?

When did area code 631 come into effect?

What is the regulatory body for area code 631?

How do I dial a 631 number from within New York but outside 631?

What county does area code 631 primarily serve?

Can I find internet service providers in area code 631?

What are the main telecommunication services in area code 631?