31 Area Code
Surabaya · Indonesia
Country code +62 · ISO ID
Example 31 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| (031) 8350123 | +62 31 8350123 | +62318350123 |
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Pre-filled with a 31 sample number. Edit it and click "Try It" to see the parsed result.
Cities and Regions
Locations served by the 31 area code, according to Google's libphonenumber.
- · Surabaya
How to Dial Indonesia Numbers
From abroad
Dial +62 followed by the national number, dropping any leading 0.
Within Indonesia
Dial 0 before the local number to make a domestic call.
Nearby Indonesia Area Codes
Frequently Asked Questions
Where is the 31 area code?
└ The 31 area code covers Surabaya in Indonesia.
What timezone is the 31 area code in?
└ Numbers in the 31 area code are in the Asia/Jakarta timezone.
How do I dial a 31 number?
└ From abroad, dial +62 31 followed by the local number. Within Indonesia, dial 031 before the local number.