> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://faq.mtxc.eu/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What's my phone number?

Please note that as our SIM cards/eSIM profiles  are solely for data services and **by default  ** **do not have an associated phone number  **, meaning they cannot be used for making calls or sending SMS messages.

| If you require inbound SMS services, inbound and outbound calls you might want to consider our MTX Number option. For more details, check please [this article.](https://faq.mtxc.eu/en-us/article/what-is-mtx-number-subscription-o6bulu/)