The 640 area code belongs to the state of New Jersey (NJ) and some of the locations covered are Ewing, Princeton and more:
|State||Larger cities in area code 640||Time Zone|
|Atlantic City, Brigantine, Browns Mills, Burlington, Ewing, Hammonton, Mercerville-Hamilton Square, Ocean City, Pleasantville, Princeton, Somers Point, Trenton, Ventnor City, Willingboro
Current time is
|-- overlays area code 609 --|
September 17, 2018 was the first day in service for the new 640 area code covering south western New Jersey, USA. The new code overlays existing 609 NPA and mandatory 10 digit dialing for all calls within the area was implemented one month before the new code's activation.
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