Twilio phone numbers

Get instant access to phone numbers in 100+ countries. Twilio has global inventory, APIs, and software for you to engage your customers at scale anywhere in the world.

Types of business phone numbers

Choose from Twilio’s extensive inventory of business phone numbers to reach customers.

• 10DLC: 10-digit long codes (A2P 10DLC) are numbers with a local prefix and sent over dedicated business messaging routes.
• Toll-free numbers: 10-digit phone numbers with a standard prefix that are voice and SMS-enabled.
• Short codes: 5-digit recognizable numbers to send and receive high-volume text and picture messages.
• Alphanumeric Sender IDs: A sender ID based on your company or brand name that is used for one-way messaging at high volumes in supported countries.
• National numbers: Non-geographic phone numbers that are reachable from an entire country at the same price as a local phone call.

Features to manage your business phone numbers

• Number hosting: Use the business phone numbers you already own to send and receive messages with Twilio’s communication APIs.
• Number porting: Transfer your phone numbers from another provider quickly and easily—making the switch to Twilio is simple.
• Messaging and Voice Insights: Analyze your voice and message performance, identify and debug issues, optimize delivery to engage your end users.
• Number verification: Know that every Twilio Phone Number goes through extensive testing, including technical evaluation, capability testing, and traffic monitoring.
• 10DLC and Toll-free onboarding APIs: Register your 10DLC and toll-free phone numbers through our onboarding API and software to streamline the process.

Compliance features for phone number management

Regulatory and compliance APIs

Keeping up with local regulatory requirements is a headache. Twilio makes it easy to manage those requirements for compliant global communications. 

Trust Hub

Create a verified Business Profile and manage your phone number verification in one place to join our fully verified communications ecosystem. 

Phone number lookup

Determine if a phone number is valid before you send messaging or voice traffic by identifying the line type as mobile, landline, VoIP, or temporary number.