Sao Tome and Principe SIM Card

SIM card Sao Tome and Principe
International SIM Card
  • No Contracts - Pay only for the calls you make
  • Incoming Calls in Sao Tome and Principe only $1.25 per minute
  • Outgoing Calls only $1.75 per minute
  • FREE Incoming SMS Text Messages in Sao Tome and Principe, Africa and Worldwide
  • Internet Data Service in Sao Tome and Principe and 170 Countries
  • Add a US, Canadian or UK Personal Extra Number

Looking for a Sao Tome and Principe SIM card to use for international travel in Sao Tome and Principe or other countries in Africa? OneSimCard is an all-in-one Sao Tome and Principe SIM card solution that gives you more. With OneSimCard, our international SIM card will provide you with low-cost prepaid Sao Tome and Principe cell phone service as well as international cell phone roaming in 200+ other countries. You simply pay for the calls, texts and data you use and keep the same international cell phone number no matter which country you are in.

Instead of buying a local Sao Tome and Principe SIM card at the airport that will expire quickly and can be very inconvenient to top-up, buy a OneSimCard global SIM card before you leave for your trip. While others search for mobile phone shops and wait in long lines to purchase local mobile service, you will be ready to use your international cell phone in Sao Tome and Principe for calls, texts and data - the instant you land at the airport! If you only need a France data SIM card for internet connectivity, check out our new Data & Roam SIM. Our data SIM is a perfect solution for iPads, tablets, computers and MiFi hotspot devices worldwide.

Don't already have an unlocked GSM cell phone to use with our international SIM card in Sao Tome and Principe? Then visit our international cell phone page to view available mobile devices.

OneSimCard - is a perfect Sao Tome and Principe SIM card solution for savvy travelers. Get OneSimCard today and start enjoying wireless freedom without the high cost.


Low Calling, Texting & Data Rates In France And Around The World
 Calling from:   Sao Tome and Principe
 Calling to:
  Onesimcard
Rates
OneSim
VOIP
Receive a Call: $1.25 $0.01 / $0.05
Make a Call: $1.75 from $0.02
see all rates
Make Call from OneSimCard to OneSimCard: $1.75 FREE / $0.29
Check Voice Mail: $1.75 $0.02
Check Voice Mail Online: FREE FREE
Receive SMS:  FREE
Send SMS: $0.15 /
Internet data (per MB): $25.00

All rates are shown in US dollars. Rates are per minute, SMS is per message sent.


Keep Your Domestic Numbers - Forward Calls To A Personal Extra Number

View numbers you can add to your Sao Tome and Principe SIM Card in other countries

Sao Tome and Principe Roaming Networks And Data Rates

OperatorNetwork typeAbbreviationCodeInternet data
CSTmovel
view coverage map
GSM 1800, GSM 900, UMTS626-01; CST626 01$25.00 / MB (billed per 10 KB)

Order An International SIM Card For Sao Tome and Principe Now

International cell phone You get:
  • Incoming Calls in Sao Tome and Principe only $1.25 per minute
  • Outgoing calls only $1.75 per minute within Sao Tome and Principe or to the U.S., Canada and most countries
  • Unlimited FREE Incoming SMS text messages
  • Mobile data service from 5c/MB. Daily/Weekly and Monthly data packages available
  • Includes 2 cell phone numbers: Europe & USA or Canada. Add numbers in 60+ other countries
  • Automatic airtime recharge or top-up online or directly through your cell phone
  • Reduce the cost of calling to 2 c/min by using OneSimCard VoIP app
Expedition SIM Card

Great Sao Tome and Principe Data SIM for iPads, tablets, computers and MiFi hotspot devices

Notes:

Sao Tome and Principe SIM card compatible devices

Using this Sao Tome and Principe SIM card will require an unlocked GSM cell phone with the necessary network frequency bands listed in the table above. If your U.S. or Canadian GSM cell phone is currently locked to a carrier like AT&T, T-Mobile or Rogers, you should be able to contact them and request an unlock code. There are also third-party services, for example at your local mall, that will unlock your phone for you for a small one-time fee.

Please refer to the list of cell phones compatible with OneSimCard. Most unlocked GSM cell phones are compatible with international SIM cards from OneSimCard. If you do not currently have a compatible GSM unlocked cell phone for Sao Tome and Principe, you can rent or purchase one from us.

Note: You will need an unlocked international cell phone even if you decide to purchase a local Sao Tome and Principe SIM card from elsewhere upon arrival in Sao Tome and Principe. In contrast to that, with Sao Tome and Principe SIM card solution from OneSimCard you will be ready to make and receive calls before you arrive in Sao Tome and Principe.

Sao Tome and Principe SIM card activation

Activating your Sao Tome and Principe SIM card is as simple as clicking a button in your online account. Activation can be done from anywhere using Internet.

Installing your Sao Tome and Principe SIM card is the same as any other GSM sim card, please refer to your cellular device's manual for details.

If you have any questions about this Sao Tome and Principe SIM card or using a cell phone in Sao Tome and Principe, please contact our Customer Support department here.

Sao Tome and Principe Quick Facts:

Sao Tome and Principe

São Tomé and Príncipe is one of Africa's smallest and least-visited countries, consisting of two main volcanic islands located in the Gulf of Guinea off the west coast of Central Africa. Despite its small size, the nation is known for its lush rainforests, pristine beaches, unique biodiversity, and relaxed island atmosphere.

The country covers approximately 1,001 square kilometers, making it Africa's second-smallest sovereign nation by area after Seychelles. The two principal islands are São Tomé and Príncipe, along with several smaller islets scattered across the surrounding waters.

The capital and largest city is São Tomé, located on the northeastern coast of São Tomé Island. The city serves as the nation's political, economic, and cultural center and is home to a significant portion of the population.

São Tomé and Príncipe has a population of roughly 240,000 people, making it one of Africa's least populous countries. Portuguese is the official language, reflecting the islands' colonial history, while several Portuguese-based creole languages are also spoken. The national currency is the dobra (STN).

The islands were uninhabited until Portuguese explorers discovered them in the late 15th century. Over time, they became important centers for sugar production and later cocoa cultivation. The country gained independence from Portugal on July 12, 1975.

For much of the 19th and early 20th centuries, São Tomé and Príncipe was one of the world's largest cocoa producers. Cocoa remains a key agricultural product and export today, contributing significantly to the country's economy and cultural identity.

The islands are of volcanic origin and feature dramatic landscapes including mountains, rainforests, waterfalls, and rugged coastlines. One of the country's most famous natural landmarks is Pico Cão Grande, a towering volcanic plug that rises nearly 370 meters above the surrounding rainforest. It is one of Africa's most striking geological formations.

The highest point in the country is Pico de São Tomé, which reaches approximately 2,024 meters above sea level and is often shrouded in mist and cloud forest.

São Tomé and Príncipe is considered a biodiversity hotspot. Its isolation has allowed many plant, bird, and animal species to evolve independently, resulting in numerous endemic species found nowhere else on Earth. Birdwatchers and nature enthusiasts regard the islands as one of Africa's premier ecotourism destinations.

Much of the natural environment is protected within Ôbo Natural Park, which preserves tropical rainforests, mountain ecosystems, and rare wildlife.

The surrounding Atlantic waters are rich in marine life. Sea turtles nest on many beaches, while dolphins and whales can often be spotted offshore. Diving and snorkeling opportunities are enhanced by clear waters and healthy marine ecosystems.

Tourism is a growing industry, attracting visitors seeking unspoiled beaches, rainforest adventures, and authentic cultural experiences. Unlike many tropical destinations, São Tomé and Príncipe remains relatively undeveloped, offering a peaceful alternative to more crowded island resorts.

Traditional cuisine reflects African and Portuguese influences. Popular foods include fresh fish, octopus, tropical fruits, breadfruit, bananas, and cocoa-based products. Seafood plays a major role in local diets due to the islands' location and fishing traditions.

Football is the most popular sport in the country, and the national team represents the islands in international competitions. Community festivals, music, and dance also play important roles in cultural life.

With its volcanic peaks, rainforest-covered mountains, secluded beaches, rich biodiversity, and laid-back atmosphere, São Tomé and Príncipe is often described as one of Africa's hidden gems. The islands offer a unique blend of natural beauty, ecological importance, and cultural heritage that remains largely undiscovered by mass tourism.

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