Glasscaller is a community driven website that allows you to obtain information about a phone number in seconds. Our service is completely free and anonymous. You will never have to sign up for an account. You will never have to make a payment. All you have to do is type in a number, and click search.

Figure out who called you if they didn't leave a message.

Determine if you should respond to a missed call.

Frequently Asked Questions

What is a reverse phone number lookup? To keep it simple, a reverse phone number lookup is where you enter a phone number into a search engine and are given information about who owns that number. This is commonly used to identify callers.

What can I do to help? The best way to help improve our website is to leave comments on the phone numbers you search for. This directly helps everyone that searches for the same phone number.

I searched for a number and nothing came up! Please make sure you entered the number correctly. Sadly, we don't have information on every single number in existence but we do know quite a bit. Consider leaving a comment so future visitors will have information about the phone number.