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São Tomé & Príncipe phone validator

Validate São Tomé & Príncipe (+239) phone numbers in real time: check if a number is valid, what type of line it is, who the carrier is and how risky it looks. Available on the web, in bulk and by API.

Country🇸🇹 São Tomé & Príncipe
Country dialing code+239
Country code (ISO)ST
Mobile number, international format+239 981 2345
Mobile number, local format981 2345
Available viaWeb, bulk CSV and REST API

Check São Tomé & Príncipe numbers

Free · No signup required

Live
  • Valid or invalidIs the number real and in service
  • Line typeMobile, landline, VoIP, toll-free
  • Carrier & locationNetwork, country and region
  • Risk scoreSpot fake and high-risk numbers
WHAT YOU GET

Every São Tomé & Príncipe lookup returns

Valid or invalid

Whether the number is real and correctly formed

Line type

Mobile, landline, VoIP, toll-free or premium

Carrier

The network behind the number, where available

Location & timezone

Where the number was issued

Risk score

0–100, flags fake and high-risk numbers

Standard formats

E.164 output, ready to store

Validate São Tomé & Príncipe numbers at scale

Upload a CSV or use the API. 100 free lookups, no credit card required.