The new area code will be implemented in central and southeastern parts of New Jersey, from Trenton to Cape May. Beginning Sept. 17, new telephone lines may be assigned numbers with the new area code.

What to Know. A new 640 area code is being added to the same New Jersey geographic area currently served by the area code 609; Customers will not have to change their existing area code, but will ...

201, 973, 908, 732, 609, 856 — we see you and have A LOT to say.

New Jersey is getting another area code which means next time you try to call someone in the Garden State, you'll need to dial ten digits. 24/7 Live Philadelphia Pennsylvania New Jersey Delaware.