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:ounties 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:
When planning a new house, estimate that building the walls with ICFs and concrete, using an experienced crew, will add about $.25 to $3.25 per square foot to the cost.
According to the National Association of Home Builders, conventional 8-inch concrete cinder blocks cost around $1.46 per square foot of foundation before installation. Contractors may charge as much as $1.00 per square foot for installation.