Sao Tome and Principe
Country Code & Virtual Numbers
Sao Tome and Principe's +239 code covers one of Africa's smallest island nations, served primarily by CST and UNITEL T+. Capital: São Tomé · Business hours: 4:00 AM–12:00 PM EST.
What is the +239 country code?
Sao Tome and Principe's international dialing code is assigned by the ITU (International Telecommunication Union) and used for every call placed from outside the country.
Network & carriers
Sao Tome and Principe's telecom market is served by CST (Companhia Santomense de Telecomunicações) and UNITEL T+.
Numbering format
Numbers are typically 7 digits, dialed the same way domestically and internationally beyond the country code.
Calling culture
Business culture in Sao Tome and Principe, conducted in Portuguese, values warmth and relationship-building before business matters.
Sao Tome and Principe is one of Africa's smallest nations, a small island country in the Gulf of Guinea with a compact telecom market to match.
A quick read on Sao Tome and Principe numbers.
Numbers in Sao Tome and Principe are typically 7 digits, dialed the same way domestically and internationally beyond the country code. Rozper stores and dials contacts in full E.164 format automatically, so you never have to think about the formatting.
Want to call Sao Tome and Principe from abroad? Dial your local exit code, then 239, then the local number.
Best time to call Sao Tome and Principe from the US
Sao Tome and Principe is on UTC+0 · Business hours = 4:00 AM–12:00 PM EST · Mon–Fri
Why get a Sao Tome and Principe virtual number?
A +239 virtual number gives your business instant local presence in Sao Tome and Principe — without the overhead.
Local caller ID in Sao Tome and Principe
When you call from your virtual Sao Tome and Principe number, contacts see a local +239 number — dramatically improving answer rates.
No office needed
Establish a local presence in Sao Tome and Principe without renting space, hiring locally, or installing any hardware.
Instant credibility
A recognizable local number helps build trust with consumers in this small, relationship-driven island market.
Routes to any device
Calls to your Sao Tome and Principe number ring your team on mobile, desktop, or desk phone — wherever they work.
Everything to call Sao Tome and Principe
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International analytics
Call volume, answer rates, and duration broken down by country, region, and time of day.
Local Caller ID
Show a local country number as your caller ID when dialling internationally. Improves pickup rates significantly.
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Sao Tome and Principe questions answered.
Answers about Sao Tome and Principe's carrier landscape, relationship-first business culture, and getting a local +239 virtual number.
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