640 area code
Area code 640 is in New Jersey. It's on Eastern Time.
Eastern Time
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Is it a good time to call 640?
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Other area codes in New Jersey
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Questions people ask
Where is area code 640?
Area code 640 is in New Jersey.
What time zone is area code 640?
640 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 640 right now?
The live clock at the top of this page shows the current local time in area code 640.