Commack, New York
Eastern Time Zone (UTC-5) · NY · —
About Area Codes in Commack, New York
Commack, New York is served by 2 area codes: 631, 934. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Commack require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Other cities in area code 631
Frequently Asked Questions
What area code is Commack, New York?
Commack, New York uses area codes 631 and 934.
What time zone is Commack in?
Commack is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Commack?
Yes, all local calls in Commack require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 631 created?
Area code 631 was established in 1999 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 631 with Commack?
Other cities sharing area code 631 with Commack include Babylon, Bay Shore, Brentwood, Brookhaven, Centereach, among others.
Commack, NY · Eastern Time Zone