Ireland Phone Number Format
Ireland phone numbers use the country code +353. A Ireland mobile number is 9 digits and is written 085 012 3456 nationally, or +353 85 012 3456 in international format. In E.164 (the format APIs expect) it is +353850123456, with no spaces or leading zero.
| Country | Ireland |
|---|---|
| Country calling code | +353 |
| Example mobile (national) | 085 012 3456 |
| Example mobile (international) | +353 85 012 3456 |
| Example mobile (E.164) | +353850123456 |
| National number length | 9 digits |
Validate a Ireland phone number
How to format a Ireland phone number
- Start from the national number as written locally: 085 012 3456.
- Drop the leading trunk digit (the national prefix, usually a leading 0) if present.
- Add the country code +353 in front to dial from abroad: +353 85 012 3456.
- For APIs, SMS, and storage, use E.164, no spaces or dashes: +353850123456.
Frequently asked questions
What is the country code for Ireland?
The international calling code for Ireland is +353. You add it before the national number (dropping any leading 0) when dialing from abroad, for example +353 85 012 3456.
How many digits is a Ireland phone number?
A Ireland mobile number has 9 digits in its national significant number (the part after the +353 country code). Example: 085 012 3456.
How do I write a Ireland 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 Ireland that looks like +353850123456.
How can I check if a Ireland phone number is valid?
Paste the number into the validator above. 1Lookup parses it, checks it against Ireland's numbering rules, and returns its line type and carrier so you know whether it is real and reachable.