Twilio has announced the addition of 45 new phone number types in 70 countries, including Programmable SMS numbers in 5 new countries, Voice / SIP Trunking numbers in 13 new countries, and toll-free numbers in 27 new countries. The company is also introducing transparent toll-free pricing and hosted SMS capabilities, allowing users to add SMS to their existing US and Canada phone numbers without changing voice providers. These updates aim to provide a more localized experience for customers and increase the effectiveness of outbound calls and toll-free numbers.