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  5. Area Code 609

Where Is Area Code 609?

Area code 609 is found in the US state of New Jersey. Primarily servicing the city of Trenton (population: 229585), area code 609 covers 9 counties of New Jersey.

Located in the Eastern time zone, area code 609 is on the same time as New York, NY.

Area code 609 was brought into effect on January 1, 1957. 609 was split from the parent 201 area code.

Map of  with area code 609 highlighted

Counties in Area Code 609

  • Atlantic,
  • Burlington,
  • Cape May,
  • Hunterdon,
  • Mercer,
  • Middlesex,
  • Monmouth,
  • Ocean,
  • Somerset.

Most Populous Cities in Area Code 609

City County City Population Time Zone
Trenton Mercer 229,585 EST
Princeton Mercer 52,694 EST
Egg Harbor Township Atlantic 42,667 EST
Atlantic City Atlantic 39,679 EST
Absecon Atlantic 38,755 EST
Burlington Burlington 33,734 EST
Lawrence Township Mercer 32,420 EST
Mays Landing Atlantic 28,256 EST
Hightstown Mercer 28,005 EST
Mount Holly Burlington 24,856 EST
Vincentown Burlington 24,807 EST
Manahawkin Ocean 24,449 EST
Hammonton Atlantic 24,369 EST
Tuckerton Ocean 24,266 EST
Barnegat Ocean 22,599 EST
Browns Mills Burlington 20,883 EST
Plainsboro Middlesex 20,399 EST
Forked River Ocean 20,144 EST
Princeton Junction Mercer 19,539 EST
Pleasantville Atlantic 19,353 EST
Cape May Cape May 18,373 EST
Bordentown Burlington 17,838 EST
Cape May Court House Cape May 16,997 EST
Wildwood Cape May 13,526 EST
Egg Harbor City Atlantic 13,486 EST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.