Area Code 856 History:
Area code 856 was put into service. Area code 856 was created from a split of area code 609.
Counties in New Jersey within area code 856 include:
Atlantic County, Burlington County, Camden County, Cumberland County, Gloucester County, and Salem County.
Major cities or places in New Jersey within area code 856 include:
Area code 856 serves southwestern New Jersey and the larger communities of Bridgeton, Camden, Cherry Hill, Deptford, Millville, Mount Laurel, Pennsauken, Vineland, Willingboro and Voorhees along with many smaller communities in the area code 856 service area.