E.164 Phone Number Country Lookup is a free Chrome add-on developed by ConvLead. It is a powerful tool designed to identify and normalize phone numbers to the universally recognized E.164 format. With this tool, users can effortlessly discover the country to which an international phone number belongs.

This tool is ideal for businesses and individuals dealing with a large number of international phone numbers. It accepts various phone number formats, includingXXXX, 516888XXXX, XXXX, and +XXXX, and normalizes them to the desired E.164 format (+1516888XXXX).

The features of E.164 Phone Number Country Lookup include bulk lookup of phone numbers, easy import of numbers from a CSV file, saving of checked history list, and the ability to download the success/failure/all list to a CSV file.

Getting started with the tool is easy - simply click the "Add New Check Task" button, enter the numbers or upload a CSV file, and click "Start to Lookup" button.