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Gridlode

Phone number validator

Check if a phone number is valid and get its international format, country, line type (mobile, landline, VoIP), original carrier and time zone.

Try . Free, no account needed.

Need this at scale?

The same lookup is one API call at 1 credit / request (one credit is $0.0003 to $0.001 depending on volume), with failed requests free.

cURL
curl "https://api.gridlode.com/v1/contacts/phone?phone=%2B44%2020%207946%200958" \
  -H "Authorization: Bearer $GRIDLODE_KEY"

FAQ

Is the carrier always current?

The carrier shown is the network the number was originally assigned to. Numbers that were ported to another carrier may differ.

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