Zambia → São Tomé and Príncipe
Zambia plugs
São Tomé and Príncipe plugs
No shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — Zambia 230V — São Tomé and Príncipe 230V
Voltage is the same. Your devices should work normally.
Device compatibility (phones)
Phones almost always support 100–240V, so yours should work safely. Check your charger label to confirm.
You likely only need a plug adapter (if socket shapes differ). Voltage is close between these countries.