Phone country-code adder
Add a selected international calling code to local phone text.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Phone number
Converted result
The calling code was added locally.
Enter a phone number to add a code
Digits: 0 · Added: 0
What this tool does
- Add calling codes in batches.
- Normalize phone text.
- Process individual numbers locally.
Example
Input
13812345678
Output
+8613812345678
Text generation only; no dialing or network access.
Frequently asked questions
What is the default code?
+86.
Will an existing code be duplicated?
No.
Is the 00 prefix supported?
Yes, it is normalized to plus notation.
Keywords：手机号国际区号phone codecountry codelocal