Network & carriers
Sao Tome and Principe's telecom market is served by CST (Companhia Santomense de Telecomunicações) and UNITEL T+.
+239 · ST · UTC+0
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.
// The Basics
What is the +239 country code?
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.
Did you know
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.
// Quick Facts
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.
Best time to call Sao Tome and Principe from the US
Sao Tome and Principe is on UTC+0 · Business hours = – EST · Mon–Fri
// Why a Virtual Number
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.
Free tools
Look up a number from Sao Tome and Principe
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Frequently Asked
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.
Dial 011 (the US exit code), then 239, then the national number, leaving out any domestic trunk prefix (such as a leading 0).
Start calling Sao Tome and Principe, not tomorrow.
Get a virtual Sao Tome and Principe number or make direct international calls to +239 — active in under ten minutes.