Latest Legacy

Look Up a Phone Number


Returns phone number information matching the specified request. Formatting information is standard. You can request carrier, portability information (only for the US and Canada), and phone number type information.


Query Parameters

The basic GET query string parameters allow you to specify the phone number you want information about and the types of information you’d like:


The value of the parameter should be the string carrier.

We’ll be adding more phone number information in the future; at that time, additional values will be available.

Note: A successful Lookup API response will have an HTTP status code set to 200.