Sao Tome and Principe Phone Number Format
Country code +239 · ISO ST
How to format, dial, and validate Sao Tome and Principe phone numbers, with live examples.
Country Code
+239
National Prefix
—
International Prefix
00
Mobile Portability
No
Try it now
Pre-filled with a valid fixed line number for Sao Tome and Principe. Edit it and click "Try It" to see the parsed result.
Number Types & Example Formats
Each Sao Tome and Principe phone-number type supported by libphonenumber, with a real example formatted three ways.
| Type | Length | National | International | E.164 |
|---|---|---|---|---|
| Fixed Line | 7 digits | 222 1234 | +239 222 1234 | +2392221234 |
| Mobile | 7 digits | 981 2345 | +239 981 2345 | +2399812345 |
How to Dial Sao Tome and Principe Numbers
From abroad
Dial +239 followed by the national number.
Dialing out of Sao Tome and Principe
Dial 00 followed by the destination country code and number.
Area Codes
Browse Sao Tome and Principe area codes with cities, timezones, and example numbers for each.
Validate a Sao Tome and Principe Number with the API
Send the number to the free libphonenumber API to get the parsed country, type, formatting, and validity.
curl https://libphonenumberapi.com/api/phone-numbers/+2392221234Frequently Asked Questions
What is the country code for Sao Tome and Principe?
└ The international country code for Sao Tome and Principe is +239. Use this prefix when dialing Sao Tome and Principe numbers from another country.
How long is a Sao Tome and Principe phone number?
└ Sao Tome and Principe phone numbers are typically 7 digits, not including the +239 country code.
How do I dial a Sao Tome and Principe phone number from abroad?
└ From abroad, dial +239 followed by the national number.
How do I validate a Sao Tome and Principe phone number programmatically?
└ Send a GET request to https://libphonenumberapi.com/api/phone-numbers/<number>. The free libphonenumber API returns the parsed country, format, type, and validity for any number — no API key required.