Area Code 640

Area Code 640 is in New Jersey

Other New Jersey Area Codes
201, 551, 609, 732, 848, 856, 862, 908, 973

New Jersey Area Code Overlays
(201 and 551) - (732 and 848)
(973 and 862 )


Area Code 640 History:

Not yet in service

The New Jersey Board of Public Utilities has approved area code 640 as an all services overlay of area code 609. The implementation date will be September 17, 2018. Effective 08/182018 ten digit dialing (area code + seven digit number) will be necessary in the 609/640 overlay because different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.

Counties in New Jersey within area code 640 include:

Atlantic County, Monmouth County, Cape May County, Ocean County, Burlington County, Somerset County, Middlesex County, Mercer County, and Hunterdon County.

Major cities or places in New Jersey within area code 640 include:

Area code 609 will serve central and southeastern New Jersey including the larger cities and communities of Atlantic City, Ewing, Trenton and Willingboro in addition to many smaller communities within the area code 609 service area.

New Jersey Area Code Map



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