COUNTRY & TERRITORY REFERENCE

Sao Tome and Principe country codes

São Tomé e PríncipeAfrica

Flag shown for Sao Tome and Principe
ISO alpha-2
ST
2 letters
ISO alpha-3
STP
3 letters
ISO numeric
678
3 digits
Calling prefix
+239
Telephone reference

Sao Tome and Principe at a glance

The ISO country identifiers for Sao Tome and Principe are ST, STP, and 678. Select the format your form or system requests.

Namename
Sao Tome and Principe
Native name in sourcenative_name
São Tomé e Príncipe
Capital / administrative centrecapital
Sao Tome
Continentcontinent
Africa (AF)
Regionregion
Africa
Sub-regionsub_region
Sub-Saharan Africa

Calling prefixes, currency & internet domain

International calling prefixdial_code
+239
Currency referencecurrency_code
STNSão Tomé & Príncipe Dobra
Country-code domaintld
.st

A listed telephone prefix may combine a shared country calling code with an area code. It is not a complete phone number.

Languages & native names

Languages listed for Sao Tome and Principe in the reference source, with native language names where available. This is not an exhaustive list of the languages spoken or a statement of their legal status.

PortuguesePortuguêspt-ST

The small codes are source language tags. A tag such as en-US includes a language and a regional variant; it is different from an ISO country code on its own.

Sao Tome and Principe time zones

1 identifier is listed for ST in IANA zone.tab, release 2026d. Time-zone identifiers describe clock-rule locations, not fixed UTC offsets.

  • Africa/Sao_Tome

UTC offsets and daylight-saving rules depend on the date and location. Use the time-zone converter to compare local times for a chosen date.

ISO, sporting & legacy identifiers

These code systems serve different purposes. Similar-looking codes can refer to different places or organisations.

ISO alpha-2iso_alpha_2
ST
ISO alpha-3iso_alpha_3
STP
ISO numericiso_numeric
678
FIFA referencefifa
STP
IOC referenceioc
STP
Legacy FIPS-style referencefips
TP

FIFA and IOC values are source references, not confirmation of current membership or event participation. FIPS 10-4 was withdrawn in 2008; legacy FIPS-style values are for interpreting older datasets and must not replace current ISO codes.

Sources & reference notes

The base record is from ListBase.org v2026.08. English and native country names use Annexare Countries, language names use Annexare and runtime display-name data, time zones use IANA 2026d, and the locally hosted flag is from flag-icons.