Can I check a whole list?

Yes, in a free workspace. Upload a CSV or XLSX up to 5 MB and 200,000 rows. The API takes up to 10,000 numbers per request.

What happens to what I enter?

Results aren’t saved to an account, and query data is deleted within 24 hours.

Which carrier does the lookup return?

The network serving the number today. After a port, the number sits on a network other than the range holder. carrier follows the number.

Which countries does the lookup cover?

The US, the UK, the EU and 200+ countries.

Does the lookup say whether a number is mobile?

Yes. line_type returns mobile, landline or voip on the same check.

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Free Carrier Lookup by Phone Number

Enter a number to see the network serving the number today, after porting. Line type, country and time zone come back on the same check.

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Enter a number and run a free check.

For business use. Contacts you submit should be ones you are entitled to contact. · Terms · Data & opt-out

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Frequently Asked Questions

Five a day on each tool, with no account. Free checks reset at 00:00 UTC. Sign up and your first $5 of validations are on us, valid for 30 days. No card required.

Look Up Carriers for a Whole List

Upload a file in a free workspace, or walk through your use case with our team.

Every phone field, method by method, on the Phone Validation page. · All free tools

Free Carrier Lookup by Phone Number

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Check if a number is mobile, landline or VoIP

Check if a number has been ported

Check if a number is active

Frequently Asked Questions

Look Up Carriers for a Whole List