624 Area Code

The 624 area code serves Buffalo, Niagara Falls, and four surrounding counties in western New York.

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Area Code 624 Location: New York

The 624 area code covers a region in western New York.

Counties Served by Area Code 624:

  • Cattaraugus County
  • Chautauqua County
  • Erie County
  • Niagara County

Major Cities in the 624 Service Area:

  • Buffalo
  • Niagara Falls
  • Jamestown
  • Dunkirk
  • Lockport
  • Olean

Overlay System

Area code 624 is an overlay for area code 716. Area code 716 was established in 1947, and area code 624 was assigned to the same area in 2023. This requires ten-digit dialing.

Area Code 624 Location Map

Area Code 624 Location on New York Map

Area code 624 is a general purpose code which was placed in service on November 16, 2023.

624 Area Code Prefixes

Our New York phone number lookup service will analyze the three-digit prefix of any 624 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

Company Number of Prefixes

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

Rate Center Number of Prefixes

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