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How to upload a list of SMS contacts
Find out how to add and remove SMS transactional or marketing consent in Klaviyo. Importing your SMS subscribers is an essential part of migrating providers or simply consolidating your data.
How to indicate the country for an SMS import
Learn how to indicate the country in a CSV file with SMS profiles.
Accepted phone number formats for SMS in Klaviyo
Learn which phone number formats Klaviyo accepts when importing phone numbers for SMS marketing.