Help Products Address Book What is the right phone number format?

What is the right phone number format?

Remco Magielse
Remco Magielse
Updated 11 months ago

We recommend to use the E.164 formatting. This is an internationally-recognized standard phone number format that will help to ensure deliverability of calls and sms messages across the globe.

In general that means: ['+' country code][national phone number without leading 0][telephone number]. Overall you do not use any spaces, hyphens or parentheses. A well formatted UK phone number looks like: +447911123456.

More international formatting info? Check out our more in-depth guide about how to format international phone numbers. Or have a look at the following [this wiki](https://en.wikipedia.org/wiki/List_of_country_calling_codes#Alphabetical_listing_by_country_or_region .).

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