International Numbering Plans provides a variety of tools in the field of telecommunication for businesses, law enforcement agenncies, governmental organisations or regular users. The services are centered around:

• (mobile) numbering plans
• billing databases
• (reverse) search engines
• investigative tools
• and general worldwide country information regarding telecommunications, such as area codes lists and dialling instructions.

You can use the tools on this site to find out information about mobiles with either their SIM number or IMEI.