Every country in the world has a maximum and minimum number length. Check your number lengths here using the world maps below:
Maximum Mobile Number Length https://datawrapper.dwcdn.net/SMecz/1/
Minimum Mobile Number Length https://datawrapper.dwcdn.net/JACtp/1/
Every country is assigned an ISO code; its the countries ID. https://datawrapper.dwcdn.net/NuaCK/1/
Mobile Country Codes are assigned to each country. https://datawrapper.dwcdn.net/IyO9n/2/
Mobile Network Codes are assigned to operators in-country https://datawrapper.dwcdn.net/yxDQ4/1/
SMS features vary by country and determine how and what type of SMS traffic may be sent to a particular country.
Two Way SMS Supported https://datawrapper.dwcdn.net/6Fdps/1/
Short Codes Supported https://datawrapper.dwcdn.net/YUf1I/1/
Long Codes Supported https://datawrapper.dwcdn.net/a5JGD/2/
Mobile Number Portability (MNP) Supported https://datawrapper.dwcdn.net/6v94z/1/
Dynamic Message Encoding Supported https://datawrapper.dwcdn.net/tmkID/1/
Two Stage Verification Supported https://datawrapper.dwcdn.net/XIgf9/1/