Toll-free SMS

Scalable texting with SMS-enabled toll-free numbers.

Seamlessly communicate via voice and SMS on branded toll-free numbers.
  • Deliver messages by the million
    Send reminders, alerts or promotions at volume. Use the same toll-free number you use for your contact center for a seamless user experience.
  • A powerful short code alternative
    Get the high throughput you need for enterprise A2P messaging without any extra carrier surcharges. See our pricing breakdown.
  • No need to buy a new number
    Telnyx can SMS-enable your existing toll-free number, so your customers can reach you using the number they’re already familiar with.

All the toll-free SMS features you need, out of the box.

Voice + SMS-enabled
Seamlessly transition between text and voice on the same number, for a true omnichannel experience.
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Delivery intelligence
Receive real-time delivery notification of messages sent globally via our portal or API.
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Numbers on demand
Instantly search for and provision branded, customer-friendly toll-free numbers in the US.
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Message queuing

We’ll automatically queue and send your messages at a compliant rate.
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Concatenation

Telnyx will automatically split and reassemble multiple messages into one for you.
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High throughput

Reach users faster with send rates of up to 1,200 messages, per minute, per number.
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Unicode support

Our API supports UTF-8 characters on inbound and outbound messages.
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Build seamless experiences with toll-free SMS.

  • Customer service

    Let users ask their questions via SMS, or start a text conversation with an agent to have their issue resolved.

  • Seamless transfer

    Transition from a text conversation to a call seamlessly when issues become more complex.

  • Marketing campaigns

    Send SMS updates from branded, customer-friendly numbers to better engage your customer base.

  • Shipping notifications

    Simplify complex processes with instant alerts—order confirmations, delivery tracking and coordination of returns.

  • Appointment reminders

    Improve patient and customer experience with SMS appointment reminders, automated feedback surveys.

  • Critical alerts

    From fraud alerts to flight cancellations, make sure your message gets through when it really matters.

Messaging that delivers.

Enterprise-grade reliability, security and compliance at global scale.
  • Reach anyone, anywhere

    Get a message to anyone, anywhere in the world. Choose from local and toll-free numbers, short code, alphanumeric sender ID, or even use your existing voice numbers.

  • Worry-free compliance

    Telnyx is a licensed carrier in 25+ countries, and we can confidently say we’re fully compliant in everything we do. So, your communications are in safe hands.

  • Support you can count on

    Our best-in-class 24/7 NOC support is available by phone and email for every single customer with no spend requirements, so your issues never need to wait until Monday.

  • No-middleman pricing

    Telnyx maintains complete control over our network and phone numbers, so we’re able to cut out the middlemen our competitors depend on—avoiding costly markups.

Ready to get started?

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Questions on setup? Talk to our experts

Frequently Asked Questions

What is toll-free SMS?

Toll-free SMS is used to send text messages from toll-free numbers (8XX) to other mobile phones. Toll-free SMS numbers can be customized to your brand, and they also allow you to seamlessly switch between voice and text on the same number.


Who uses toll-free SMS?

There are a variety of different businesses leveraging toll-free SMS across industries like transport and logistics, financial services and healthcare, to name a few. Some of the most popular use-cases include using toll-free SMS for automated or live customer service, marketing campaigns, shipping notifications, appointment reminders and critical alerts.


How much does toll-free SMS cost?

Prices vary depending on your carrier, but Telnyx offers market-leading pricing for toll-free SMS—starting at just 0.0055 to send and receive toll-free texts in the US. See detailed Telnyx SMS pricing.


How do I find a toll-free SMS-enabled number?

To search for a toll-free SMS-enabled number via the Mission Control Portal, simply sign in and click Search and Buy Numbers. Select Toll-Free as your search type and SMS as the number feature. You can also search for toll-free SMS-enabled numbers via API.

What’s the difference between toll-free SMS and shortcodes?

Short codes are ideal for mass messaging use-cases like two-factor authentication or SMS marketing campaigns. However, there are some advantages to using toll-free SMS over shortcodes:

  • Toll-free numbers can be provisioned instantly whereas shortcodes often take weeks.
  • Toll-free numbers can be voice and SMS-enabled, so customers can call or text you on the same number. This is not only cost-effective, it’s a more seamless user experience.
  • Toll-free numbers are also significantly lower in cost. Telnyx toll-free numbers start at just $1 per month whereas short codes cost $1,000 per month to lease from the Common Short Code Administration.

How do I get started sending and receiving toll-free SMS?

First, sign up for a free portal account. Then, complete the remaining four steps in our quickstart guide and you’ll be ready to start sending and receiving toll-free SMS.


Can I receive voice calls on my toll-free SMS enabled number?

Yes! One of the great things about toll-free numbers is that you can use them to make and receive calls as well as send and receive texts—enabling you to build seamless omnichannel customer experiences.

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