Phone Numbers
Instant access to local, national, mobile, and toll-free phone numbers in more than 70 countries with a developer-friendly API.
Clean Phone Numbers
To verify that you won’t get unwanted calls and texts meant for previous owners, every phone number available through the Twilio Console or Phone Numbers API goes through a rigorous screening process.
White routes
Phone numbers are not all created equal. When it comes to voice quality and SMS deliverability, the network behind the number is everything. Twilio meticulously tests every network provider so you don’t have to.
The experience of going to Zendesk Voice and signing up for a phone number in 40 different countries is pretty incredible.
Over 700 Prefixes & Area Codes
Twilio maintains phone number inventory that is 50 times larger than the phone numbers provisioned daily in every area code and prefix we service. If you can’t find what you need, please let us know. See all coverage.
Developer Preview Numbers
We’re constantly adding new local, mobile, and toll-free phone numbers from around the world. You can now get early access to the latest numbers being added to Twilio before they’re available via the Console or API. Find all Preview Numbers.
We are growing between 2,000 to 5,000 phone numbers a month and our previous vendor couldn't keep up with the volume of numbers.
Number Porting
Port your existing U.S. numbers from the current provider to Twilio through an online application, and we take care of the rest. You can also automate the porting process with the Twilio Porting API. Access developer preview.
SIP Forwarding
If your carrier supports call forwarding over SIP, you can also use the Voice API with existing phone numbers. It’s a relatively inexpensive option for countries where Twilio doesn’t have phone numbers or where porting is not possible. See an example.
Hosted SMS
Send and receive SMS messages with your existing phone number without changing your voice service. Phone calls continue to work the same way while SMS goes through Twilio, all on the same number. Access developer preview.
Multi-Function Numbers
Voice, SMS, and MMS on the same number
Local Numbers
Voice-enabled numbers with a regional identity
Toll-Free Numbers
Voice and SMS-enabled national numbers
Mobile Numbers
SMS-capable national numbers
National Numbers
Voice-capable standard call-cost national numbers
Short Codes
High-volume SMS and MMS-enabled numbers
Communicate reliably
Experience a 99.95% uptime SLA made possible with automated failover and zero-maintenance windows.
Operate at scale
Extend the same app you write once to new markets with configurable features for localization and compliance.
Many channels
Use the same platform you know for voice, SMS, video, chat, two-factor authentication, and more.
No shenanigans
Get to market faster with pay-as-you-go pricing, free support, and the freedom to scale up or down without contracts.