Filter Phone Numbers
Validate mobile numbers locally and filter them by one or more prefixes.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Phone list
Filtered phones
Valid phones matching the selected prefixes are output.
Enter phone numbers to filter
Input: 0 · Valid: 0 · Matched: 0 · Invalid: 0
What this tool does
- Extract numbers by prefix.
- Filter mobile-number ranges.
- Clean phone lists locally.
Example
Input
13800138000 13912345678
Output
13912345678
Match the beginning of each phone number; separate multiple prefixes with spaces or commas.
Frequently asked questions
Can I enter multiple prefixes?
Yes, separate them with spaces or commas.
Is length validated?
Yes, only valid 11-digit phones are kept.
Does it look up carrier locations?
No.
Keywords：手机号过滤前缀phonefilter