856 area code location
Area code 856 is an area code in the U.S. state of New Jersey created in 1999 by a split of area code 609.or the following five months, permissive dialing was allowed, with calls completed even if area code 856 was not dialed as part of a 10-digit phone number. As of November 13, 1999, use of the area code was required to complete calls from outside the area code.