Area code lookup
What area code is 640?
Here's everything about it.
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Caller ID · NPA-NXX-XXXXLive
Area code
640
Location
South NJ (overlay), NJ
Local time
--:--:-- --
South NJ (overlay)
640 at a glance
SummaryState
New Jersey
Time zone
Eastern (ET)
UTC offset
UTC−5 / −4 DST
Observes DST
Yes
Country
United States
Cities served by 640
South NJ (overlay)South NJ (overlay)
Where 640 sits on the map
No overlayCoverage area
About the 640 region
640 covers South NJ (overlay) in New Jersey. It currently has no overlay code, so seven-digit dialing may still be possible within the region.
Who called me from 640?
Community reportsNo community reports for 640 numbers yet. Be the first to report one.
Got a call from 640 that isn't listed?
Frequently asked questions
FAQWhat area code is 640?+–
640 is a telephone area code serving South NJ (overlay) in New Jersey, United States.
Where is area code 640 located?+–
It covers South NJ (overlay) in New Jersey.
What time zone is 640?+–
640 observes Eastern (ET), which is UTC−5 / −4 DST and follows daylight saving time.
Can I get a 640 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 640 number regardless of where you physically live.