Is there a way upload mobile numbers?

  • 10 March 2022
  • 1 reply

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I have found the articles on uploading landline numbers (with country codes etc). Is there a way to upload mobile numbers to Klaviyo? For example, 077……?

Alternatively, some advice on how to format Excel to convert mobile numbers (currently 77…...) to a functional format.


Thanks for your help.


Best answer by stephen.trumble 10 March 2022, 21:22

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Badge +60

Hey @TCokecan 

Great question for the Klaviyo Community to help with!

You can absolutely upload your SMS customers phone numbers into Klaviyo! You don’t have to change the formatting for your mobile phone numbers to include the country code (+0) as long as you include a Country column. The article linked before has a table of acceptable phone number formats and what to include in your data to upload successfully. Your excel sheet should look like this as an example:

With the Country Column

Sample CSV file for importing SMS consent into Klaviyo when there’s a country column


I Hope this helps get you on the right path! Thank you so much for being a member of the Klaviyo Community!