Austria Phone Number Format
Austria phone numbers use the country code +43. A Austria mobile number is 9 digits and is written 0664 123456 nationally, or +43 664 123456 in international format. In E.164 (the format APIs expect) it is +43664123456, with no spaces or leading zero.
| Country | Austria |
|---|---|
| Country calling code | +43 |
| Example mobile (national) | 0664 123456 |
| Example mobile (international) | +43 664 123456 |
| Example mobile (E.164) | +43664123456 |
| National number length | 9 digits |
Validate a Austria phone number
How to format a Austria phone number
- Start from the national number as written locally: 0664 123456.
- Drop the leading trunk digit (the national prefix, usually a leading 0) if present.
- Add the country code +43 in front to dial from abroad: +43 664 123456.
- For APIs, SMS, and storage, use E.164, no spaces or dashes: +43664123456.
Frequently asked questions
What is the country code for Austria?
The international calling code for Austria is +43. You add it before the national number (dropping any leading 0) when dialing from abroad, for example +43 664 123456.
How many digits is a Austria phone number?
A Austria mobile number has 9 digits in its national significant number (the part after the +43 country code). Example: 0664 123456.
How do I write a Austria number in E.164 format?
E.164 is the international standard most APIs and SMS gateways require: a plus sign, the country code, then the national number with no spaces, dashes, or leading zero. For Austria that looks like +43664123456.
How can I check if a Austria phone number is valid?
Paste the number into the validator above. 1Lookup parses it, checks it against Austria's numbering rules, and returns its line type and carrier so you know whether it is real and reachable.