934 Area Code

Area Code 934 Location: New York

Phone numbers with this area code prefix originate from Suffolk County, New York, on Long Island.

Counties Served by Area Code 934:

• Suffolk County

Major Cities in the 934 Service Area:

• Babylon
• Huntington
• Islip
• Smithtown
• Brookhaven
• Riverhead
• Southampton
• Southold
• Shelter Island
• East Hampton

Overlay System

Area code 934 works together with area code 631 in the same geographic region. Area code 631 was introduced in 1999 as a split from area code 516. Area code 934 was added as an overlay in 2016. Due to this overlay, ten-digit dialing is required for both area codes, effective June 18, 2016.

Area Code 934 Location Map

Area code 934 is a general purpose code which was placed in service on July 16, 2016.

934 Area Code Prefixes

Our New York phone number lookup service will analyze the three-digit prefix of any 934 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, New York geographic region, and local calling area associated with the phone number.

Phone numbers follow the following structure under the North American Numbering Plan:

• NPA- area code (where the number was originally assigned)
• NXX - Central office code that locates the specific neighborhood and identifies the service provider
• XXXX - Subscriber number identifies the individual phone line within that local exchange

Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.

Prefixes by Company

Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.

Prefixes by Rate Center

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