Smithtown, New York
Eastern Time Zone (UTC-5) · NY · —
About Area Codes in Smithtown, New York
Smithtown, 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 Smithtown 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 Smithtown, New York?
Smithtown, New York uses area codes 631 and 934.
What time zone is Smithtown in?
Smithtown is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Smithtown?
Yes, all local calls in Smithtown 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 Smithtown?
Other cities sharing area code 631 with Smithtown include Babylon, Bay Shore, Brentwood, Brookhaven, Centereach, among others.
Smithtown, NY · Eastern Time Zone