Look up a phone number: the country it belongs to, what its range is for, whether the numbering plan gives it out, and every form it is written and dialled in.

How Phone Numbers Work

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What is a Phone Number Lookup?

Every phone number follows a numbering plan. The digits after the plus, the country calling code, name the country, or a group of countries sharing one, as +1 does for the United States, Canada and much of the Caribbean. The country's own plan then gives each range of numbers a purpose: mobile, landline, toll-free and so on.

This lookup reads a number against those plans. It tells what a number is, not who holds it.

How to Use

Type or paste a number in any common form: +49 211 59893990, 0049 211 59893990, or 0211 59893990 with Germany as the country.
Country is the country of the number. Choose it for a number written without a country code; a number with one shows its own country there. It starts at the country your browser names, which the result also shows the dialling from.
Spaces, dashes, brackets and dots do not matter. An extension may follow as ext. 12.
A click on a value selects all of it. The address bar follows the number, so a lookup can be shared as a link.

Reading the Result

Valid	A number the country's plan gives out. Whether it is connected, the plan cannot say.
Not in the plan	No range the plan gives out: made up, or mistyped.
Line type	What the range is for. A number moved to another provider keeps it.
Range assigned to	The network a range of mobile numbers was given to. A number that moved to another network keeps its digits, so today's may be a different one.
E.164	The international standard form without spaces, as phone systems store numbers.

Important Notes

The lookup reads the numbering plans, not the telephone network. It cannot tell whether a number is in use or who holds it. For a mobile number it names the network its range was assigned to, which need not be the one serving it today.
Some countries do not keep mobile and landline numbers in separate ranges. There the line type reads Landline or mobile.
The numbering plans are brought up to date regularly, but a range a country has only just opened may not be known yet.
To see the number your own phone sends when it calls, use the Caller ID Check.

Privacy & Security: every lookup runs in your browser. No number you enter is sent anywhere; the numbering plans are fetched from this site with the page, and for a mobile number the list of networks for its country calling code, a request that names the calling code but never the number.

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