Differences in SMS between regions
Explore these articles to fully understand the differences in SMS capabilities and laws between regions.
Additional resources
Where is Klaviyo SMS available?
Learn where you can reach subscribers with text messages, and view a comprehensive comparison chart that shows the similarities and differences between each region.
Understand US and Canadian SMS sending numbers
Read this article if you plan to reach subscribers located in the United States and/or Canada.
Understand UK, Australian, Irish, and New Zealand SMS sending numbers
Read this article if you plan to reach subscribers in the UK, Australia or New Zealand.
How UK's GDPR and PECR affect SMS
Get a clear understanding of how GDPR and PECR impact SMS in the UK.
US SMS compliance laws
Learn about US-specific compliance laws and governing forces like TCPA and CTIA.
About the Canadian Anti-Spam Legistlation
Learn about CASL and the impact it has on how you may legally collect consent and message subscribers.
About Australia's anti-spam legislation
Learn about the Spam Act 2003 and the Spam Regulations 2021 that govern how you can message subscribers in Australia.
Understand SMS compliance best practices in Ireland
Learn about the regulations that apply to SMS marketing in Ireland, like GDPR and EU ePrivacy Regulations.