What changed?
On 31 January 2010, the national significant number expanded from six to seven digits. Fixed numbers moved from +239 2 XXXXX to +239 22 XXXXX, while mobile numbers moved into seven-digit 98 and 99 ranges.
🇸🇹 ST numbering planSão Tomé and Príncipe phone codes
São Tomé and Príncipe phone codes
& +239 country code
São Tomé and Príncipe uses country calling code +239 and a seven-digit national plan. Fixed lines begin with 2, while the 222–229 ranges identify fixed-line numbering areas.
International calling code+239
Trunk prefix NoneISO ST
Country code+239
CapitalSão Tomé
Local time—
Trunk prefixNone
International access00
National number7 digits after +239
Population244,994 (2026 estimate) ↗
São Tomé and Príncipe Numbering Plan at a Glance
| Country calling code | +239 |
|---|---|
| ISO country code | ST |
| National number length | 7 digits after +239 |
| Domestic trunk prefix | None |
| International access prefix | 00 |
| Numbering types | Geographic fixed line and mobile ranges |
| Directory coverage | Published fixed-line ranges |
| Example from within the country | 222 XXXX |
| Example from abroad | +239 222 XXXX |
| Primary time zone | Greenwich Mean Time (UTC+0) |
| Regulator or primary source | Autoridade Geral de Regulação (AGER), via ITU |
| Last checked |
Published fixed-line ranges
The directory covers the published 222–229 fixed-line geographic ranges. Mobile and other non-geographic ranges are described at country level but do not receive city pages here.
Verified numbering directoryFeatured São Tomé and Príncipe
Featured São Tomé and Príncipe
area codes
Use the domestic code when calling within São Tomé and Príncipe. From abroad, use the international form shown in the table.
| City / area | Domestic code | From abroad | Coverage | |
|---|---|---|---|---|
| São ToméÁgua Grande and Lobata | 222 | +239 222 | Santo Amaro and parts of Água Grande, including the capital area | → |
| NevesLobata and Lembá | 223 | +239 223 | Guadalupe, Neves and Santa Catarina | → |
| São ToméÁgua Grande District | 224 | +239 224 | Água Grande fixed-line numbering range | → |
| Santo AntónioAutonomous Region of Príncipe | 225 | +239 225 | Príncipe island fixed-line numbering range | → |
| SantanaCantagalo and Caué | 226 | +239 226 | Angolares, Porto Alegre, Santana and Ribeira Afonso | → |
| TrindadeMé-Zóchi District | 227 | +239 227 | Trindade and Madalena | → |
| São ToméÁgua Grande District | 228 | +239 228 | Água Grande fixed-line numbering range | → |
| São ToméÁgua Grande District | 229 | +239 229 | Água Grande fixed-line numbering range | → |
Regional directoryBrowse São Tomé and Príncipe
Browse São Tomé and Príncipe
by district
Each regional page includes a dedicated “Area Codes for the Largest Cities in” block and links to city and code pages.
District
Água Grande
Capital district and the country's largest population centre.
4 code entries →DistrictMé-Zóchi
Central São Tomé district centred on Trindade.
1 listed code →DistrictLobata
Northern district including Guadalupe and Santo Amaro.
2 code entries →DistrictCantagalo
Eastern district including Santana and Ribeira Afonso.
1 listed code →DistrictLembá
Western district including Neves and Santa Catarina.
1 listed code →Autonomous regionPríncipe
The autonomous island region centred on Santo António.
1 listed code →DistrictCaué
Southern district including São João dos Angolares and Porto Alegre.
1 listed code →São ToméTrindadeGuadalupeNevesSantanaAngolaresSanto AntónioApproximate locations
How to dial São Tomé and Príncipe
Use the full number.
Dial +239 followed by the complete seven-digit national number. There is no domestic trunk prefix to remove.
Example from within São Tomé and Príncipe222 XXXX
Example from abroad or mobile+239 222 XXXX
Number length7 digits after +239
Time zoneGreenwich Mean Time (UTC+0)
Common mistakes
- Do not confuse the +239 country code with a domestic area or service prefix containing the same digits.
- A displayed prefix does not prove the caller's current location, network or identity.
Download this directory
Machine-readable files use stable fields for code type, coverage, formats, source and verification date.
Published network contextCountry-level provider directory, not a market-share ranking and not proof of the current network for a specific number.
Named Telephone Operators
Fixed / landline
CST — Companhia Santomense de Telecomunicações
Wireless
CST
Unitel STP
Published number blocks
Telephone Code Ranges
222Santo Amaro and parts of Água Grande, including the capital area
223Guadalupe, Neves and Santa Catarina
224Água Grande fixed-line numbering range
225Príncipe island fixed-line numbering range
226Angolares, Porto Alegre, Santana and Ribeira Afonso
227Trindade and Madalena
228Água Grande fixed-line numbering range
229Água Grande fixed-line numbering range