The area code 908 is located in Washington Township, New Jersey.
Area code 908 serves Washington Township in Morris County, New Jersey, a scenic part of the New Jersey Highlands. It covers a wide stretch of north-central New Jersey across parts of Union, Somerset, Hunterdon, Warren, and Morris counties, connecting local numbers in Long Valley, Fairmount, and Schooley’s Mountain with nearby towns and cities. Established: November 1, 1991, 908 was created in a split from 201 to meet growing demand for phone numbers in the region. The code links homes, schools, and small businesses in Washington Township to larger commercial centers, making local calling simple across the area.
Major communities in area code 908 include:
In Washington Township, 908 numbers are common for everyday life and local services, from the Long Valley Historic District to outdoor spots like Schooley’s Mountain County Park and the Columbia Trail along the South Branch of the Raritan River. The area code sits next to the 973/862 and 732/848 regions, which start just beyond township lines, so regional calling stays straightforward. Many residents commute to Union and Somerset counties—also in 908—keeping work and home within the same calling area. Today, 908 remains a single area code without an overlay.
“Area code 908 was activated on November 1, 1991, following a split from 201.” — North American Numbering Plan Administration (NANPA)
This mix of Highlands towns and busy urban centers gives 908 a unique reach, covering both historic main streets and major job hubs in north-central New Jersey.