939 Area Code
Puerto Rico, USA
Local time now · Atlantic Standard Time
3:46 AM
Area code 939 is in Puerto Rico, USA, serving Mayagüez. It uses Atlantic Standard Time — the time there now is 3:46 AM. 787 is an overlay for the same area, so local calls need 10-digit dialing. In service since 2001.
| Area code | 939 |
|---|---|
| Location | Puerto Rico, USA |
| Major cities | Mayagüez |
| Time zone | Atlantic Standard Time |
| Overlay codes | 787 |
| In service since | 2001 |
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Frequently asked questions
Where is area code 939?
Puerto Rico, USA — including Mayagüez.
What time zone is area code 939?
Atlantic Standard Time.
How do I call a 939 number from abroad?
Dial your international access code, then 1 (the country code), then 939 and the 7-digit number — for example +1 939 555 0100. From the UK or India dial 00 1 939 …; from Bangladesh 00 1 939 … .
Is a call from 939 a scam?
Not by itself — 939 is an ordinary geographic area code in Puerto Rico. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.