Why does acquiring phone numbers in certain countries require approval of regulatory documents?

Local regulations in some countries often require providing adequate identity documentation to carriers or a local enforcement agency.

Local regulations differ per country and some phone numbers require the end-user to be located within a specific geographic boundary. To purchase these numbers, you will need to provide and keep updated, a valid business or personal ID that satisfies the requirement. The address within the provided ID must be the residence or place of business of the individual or entity using the phone number.

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As each country can apply different regulations, the necessary documents can vary. In general, you will be required to add proof of identification and a proof of address. ‍

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What are the countries that require approval of regulatory documents?

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