Hamilton, New Jersey
Eastern Time Zone (UTC-5) · NJ · —
About Area Codes in Hamilton, New Jersey
Hamilton, New Jersey is served by 2 area codes: 609, 640. 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 Hamilton require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Other cities in area code 609
Frequently Asked Questions
What area code is Hamilton, New Jersey?
Hamilton, New Jersey uses area codes 609 and 640.
What time zone is Hamilton in?
Hamilton is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Hamilton?
Yes, all local calls in Hamilton require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 609 created?
Area code 609 was established in 1958 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 609 with Hamilton?
Other cities sharing area code 609 with Hamilton include Ewing, Lawrence, Pennington, Princeton, Trenton, among others.
Also called Hamilton:
Hamilton, NJ · Eastern Time Zone