Look up any phone number starting with 640 to identify the owner name, address, spam reports, and more. The 640 area code is a telephone area code serving the central and southern parts of New Jersey.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Phone numbers with the 640 area code prefix originate from the central and southern parts of New Jersey. This numbering plan area, in conjunction with area code 609, constitutes the largest numbering plan area in New Jersey in terms of geographic coverage.
Area codes 609 and 640 are telephone overlay area codes serving the same geographic region. Area code 609 was introduced in 1956, and 640 was created as an additional area code for the area on September 17, 2018. With the implementation of the 640 overlay, ten-digit dialing became mandatory for all calls in the region as of August 18, 2018.
Area code 640 is a general purpose code which was placed in service on September 17, 2018.
Our New Jersey phone number lookup for the 640 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, New Jersey geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
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Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
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