939 area code
Area code 939 is in Puerto Rico. It's on Atlantic Time (no daylight saving).
Atlantic Time (no daylight saving)
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Is it a good time to call 939?
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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 Puerto Rico
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 939?
Area code 939 is in Puerto Rico.
What time zone is area code 939?
939 is on Atlantic Time (no daylight saving) (UTC−4).
What time is it in area code 939 right now?
The live clock at the top of this page shows the current local time in area code 939.
Is area code 939 international?
Yes. Puerto Rico is outside the United States and Canada, so calls to it are usually charged as international calls even though you dial 1 + the area code.