Use the local public number-prefix table to check an approximate province, city and carrier. Only the first seven digits are used for matching; the complete number is not sent or stored.
Data source：Open-source local number-prefix data: query-mobile-phone-area 1.0.6 (MIT) Uses local number-prefix data from query-mobile-phone-area 1.0.6 (MIT). Only the first seven digits are checked; number portability and new ranges may make results inaccurate. Full numbers are not stored.
Enter the parameters to see the result.
Example: Enter a value to see the result.
