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● El Salvador · +503

El Salvador phone number validator & formatter

Check whether a El Salvador 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.

validates in your browser — nothing is sent anywhere
El Salvador phone number  ·  country

El Salvador phone number format

CountryEl Salvador (SV)
Country calling code+503
Example number (international)+503 7012 3456
National format7012 3456
E.164 format+50370123456
RFC 3966 (tel: URI)tel:+50370123456
Example line typemobile

To dial a El Salvador number from abroad, start with the country code +503 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 +50370123456: a leading +, the country code, and the national number with no spaces or separators.

Validate El Salvador numbers in your app

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 El Salvador number via the API
curl "https://phone-validation-and-formatting.p.rapidapi.com/v1/validate?number=%2B50370123456" \
  -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.

Frequently asked questions

What is the country code for El Salvador?

The country calling code for El Salvador is +503. A full number in international (E.164) form looks like +50370123456.

What does a valid El Salvador phone number look like?

A typical El Salvador mobile number is written +503 7012 3456 internationally, 7012 3456 nationally, or +50370123456 in E.164 format.

How do I validate a El Salvador phone number in code?

Send one GET request to the Phone Validation API with the number and country code "SV". The response tells you whether it is valid, the line type, and every standard format. A free tier is available.

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