Allentown, New Jersey

Where Is Area Code 609?

Area code 609 is in central and southern New Jersey. It serves much of Mercer County, parts of Burlington, Ocean, and Monmouth counties, and the Jersey Shore communities around Atlantic County and Cape May County through the related 640 overlay area.

Major places tied to 609 include Trenton, Princeton, Atlantic City, and Allentown, New Jersey. Allentown is a borough in Monmouth County, and it uses area code 609. Other communities in the 609 calling region include Hamilton, Ewing, Lawrence Township, and parts of the shore region in southern New Jersey.

The area includes well-known places such as the New Jersey State House in Trenton and Princeton University in Princeton. It also covers coastal areas near the Atlantic Ocean, including Atlantic City and nearby shore communities. This region spans inland towns, suburban communities, and parts of the coast.

History of Area Code 609

Area code 609 was created in 1958. It was split from area code 201, which had originally covered all of New Jersey under the North American Numbering Plan.

Area code 609 later lost territory in 1999, when area code 856 was created for southwestern New Jersey. In 2018, area code 640 was approved as an overlay for the 609 region, and ten-digit dialing became necessary for local calls in the area. These changes happened as demand grew for more phone numbers across central and southern New Jersey.

Key Facts About Area Code 609

• Area code 609 is a geographic area code in the state of New Jersey.
• Area code 609 was created in 1958 as a split from New Jersey's original 201 area code.
• Area code 609 serves Allentown, Trenton, Princeton, and Atlantic City.
• Area code 609 is in the Eastern Time Zone.
• Area code 609 is overlaid by area code 640, which was introduced to add more available phone numbers.
• Area code 609 covers part of New Jersey's capital region, including Trenton, the state capital.
• Area code 609 includes Princeton University, one of the best-known universities in the United States.
• Area code 609 serves a region that includes inland communities and parts of the Jersey Shore.

Frequently Asked Questions

What state is area code 609 in?

Area code 609 is in New Jersey.

What major cities use area code 609?

Major cities and communities in area code 609 include Trenton, Princeton, Atlantic City, and Allentown.

Is area code 609 a toll-free number?

No, area code 609 is a geographic area code.