Check whether a British Indian Ocean Territory number is valid, detect its line type, and convert it to E.164, international, or national format — instantly and free. Powered by Google's libphonenumber.
| Country | British Indian Ocean Territory (IO) |
| Country calling code | +246 |
| Example number (international) | +246 380 1234 |
| National format | 380 1234 |
| E.164 format | +2463801234 |
| RFC 3966 (tel: URI) | tel:+2463801234 |
| Example line type | mobile |
To dial a British Indian Ocean Territory number from abroad, start with the country code +246 followed by the national subscriber number. In E.164 — the format every SMS gateway, CRM, and payment provider expects — the same number is stored as +2463801234: a leading +, the country code, and the national number with no spaces or separators.
The interactive tool above runs entirely in your browser. For server-side validation at scale — sign-up forms, lead cleaning, SMS routing — call the API. One GET request, no SDK, works in any language.
# Validate a British Indian Ocean Territory number via the API curl "https://phone-validation-and-formatting.p.rapidapi.com/v1/validate?number=%2B2463801234" \ -H "X-RapidAPI-Key: YOUR_KEY" \ -H "X-RapidAPI-Host: phone-validation-and-formatting.p.rapidapi.com"
Get a free API key → · 1,000 free requests/month, no credit card.
The country calling code for British Indian Ocean Territory is +246. A full number in international (E.164) form looks like +2463801234.
A typical British Indian Ocean Territory mobile number is written +246 380 1234 internationally, 380 1234 nationally, or +2463801234 in E.164 format.
Send one GET request to the Phone Validation API with the number and country code "IO". The response tells you whether it is valid, the line type, and every standard format. A free tier is available.
Validity, line-type detection, and every format from a single endpoint — 240+ countries, sub-50ms from the edge.
Start free →