Phone Number Lookup App-This app uses rest API which makes free to all users .You can know the location and connection type of a number with just single search .
Results format will be
Number:
Local Format:
International Format:
Country Prefix: +91
Country Code: IN
Country Name: India
Location:
Carrier: Reliance Jio Infocomm Ltd (RJIL)
Line Type: mobile/landline/tollfree
+supports nearly 200+ countries