Phone number formatter
Paste a list of phone numbers in any format. Get them back in clean international format, with invalid numbers flagged and duplicates removed, ready to import.
| You entered | International format | Type |
|---|---|---|
| 0412 345 678 | +61412345678 | Mobile |
| +61 412 345 678 | +61412345678 | Duplicate, removed |
| (03) 9123 4567 | +61391234567 | Landline |
| 0413-000-111 | +61413000111 | Mobile |
| 12345 | Not a valid number |
Runs in your browser. Your numbers are never uploaded or stored.
Why format phone numbers before sending
Contact lists collect numbers in every style: with spaces, brackets, a leading zero, or a country code. SMS platforms and APIs work best with one consistent format, and the same number written two ways can mean the same person gets your message twice.
International format (E.164)
E.164 writes every number as a plus sign, the country code and the national number with no leading zero or spaces. The Australian mobile 0412 345 678 becomes +61412345678. It is the format realay and most SMS APIs expect.
Landlines
Most landlines cannot receive SMS. The formatter marks each number's type so you can keep mobiles only for your SMS list. For some countries, such as the United States and Canada, mobile and landline numbers look the same, so the type is shown as landline or mobile.
Want more detail on one number? Use the phone number checker.
Questions about formatting phone numbers
What format does it produce?
International E.164 format, such as +61412345678. It is the format most SMS platforms and APIs expect, and it works the same for every country.
What does the default country do?
Numbers written without a country code, such as 0412 345 678, are read as belonging to the default country. Numbers that already start with + keep their own country.
Are my numbers uploaded?
No. Formatting runs in your browser and the numbers never leave your device.
Why is a number marked invalid?
It does not match the numbering plan of its country: it may be too short, too long, or use a range that is not in service.
Ready to send?
realay counts, cleans and checks messages like this every time you send. Create your account free, with no credit card and no contract.