Area Code 917 – New York | Cities, Time Zone & Details

Where Is Area Code 917?

Area code 917 serves all five boroughs of New York City — originally assigned to cell phones and pagers. Introduced in 1992 as an overlay to area code 212/718, it shares the same geographic footprint — new phone numbers in the region may be assigned either code. The area is home to approximately 8.3 million people and falls within the Eastern (ET) time zone.

All NYC boroughs is the primary city served by area code 917. The region supports a diverse economy with opportunities in healthcare, education, retail, and various service industries.

The introduction of area code 917 as an overlay meant that residents and businesses in the region transitioned to mandatory 10-digit dialing for all local calls. Unlike an area code split — which reassigns existing numbers to a new code — an overlay keeps all existing 212/718 numbers intact and simply adds 917 as a second option for new assignments. New York currently uses 19 area codes to serve its residents.

Major Cities and Communities in the 917 Area Code

The following cities and communities are served by area code 917:

• All NYC boroughs

Area Code 917 Details

Interesting Facts About Area Code 917

• Area code 917 was introduced in 1992 as an overlay for area code 212/718, meaning both codes serve the exact same geographic area in New York.
• Area code 917 serves approximately 8.3 million people, making it one of the more heavily used area codes in the country.
• Because 917 is an overlay code, all calls in the region require 10-digit dialing — you must dial the area code even for local calls.

Related Area Codes

Other New York area codes: 212, 315, 332, 347, 516, 518, 585, 607, 631, 646, 680, 716, 718, 838, 845, 914, 929, 934

Connecticut: 203, 860

Massachusetts: 413

New Jersey: 201, 973

Pennsylvania: 570, 717

Vermont: 802

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