Argentina Phone Number Format
Argentina phone numbers use the country code +54. A Argentina mobile number is 11 digits and is written 011 15-2345-6789 nationally, or +54 9 11 2345 6789 in international format. In E.164 (the format APIs expect) it is +5491123456789, with no spaces or leading zero.
| Country | Argentina |
|---|---|
| Country calling code | +54 |
| Example mobile (national) | 011 15-2345-6789 |
| Example mobile (international) | +54 9 11 2345 6789 |
| Example mobile (E.164) | +5491123456789 |
| National number length | 11 digits |
Validate a Argentina phone number
How to format a Argentina phone number
- Start from the national number as written locally: 011 15-2345-6789.
- Drop the leading trunk digit (the national prefix, usually a leading 0) if present.
- Add the country code +54 in front to dial from abroad: +54 9 11 2345 6789.
- For APIs, SMS, and storage, use E.164, no spaces or dashes: +5491123456789.
Frequently asked questions
What is the country code for Argentina?
The international calling code for Argentina is +54. You add it before the national number (dropping any leading 0) when dialing from abroad, for example +54 9 11 2345 6789.
How many digits is a Argentina phone number?
A Argentina mobile number has 11 digits in its national significant number (the part after the +54 country code). Example: 011 15-2345-6789.
How do I write a Argentina 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 Argentina that looks like +5491123456789.
How can I check if a Argentina phone number is valid?
Paste the number into the validator above. 1Lookup parses it, checks it against Argentina's numbering rules, and returns its line type and carrier so you know whether it is real and reachable.