WHY SINCH TOLL-FREE 

Bring voice and texting together on one trusted toll-free number 

Add SMS or MMS to the same numbers your customers already know (like 800, 833, 844, 855, 866, 877, and 888). With Sinch, you get a carrier-sanctioned, high-throughput A2P channel with delivery receipts and no downtime. 

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world.

WHY SINCH TOLL-FREE 

Bring voice and texting together on one trusted toll-free number 

Turn toll-free numbers into a single place for calls, SMS, and MMS across the U.S. and Canada. With toll-free SMS, you can reach every customer, protect your brand, and track results, without the cost or hassle of using short codes. Sinch makes verification, setup, and scaling easy. 

Guaranteed delivery insight  

Handset delivery receipts prove each SMS or MMS reached the device, perfect for audits. 

Professional brand trust  

Keep the same number customers already know and add texting for a consistent, trustworthy experience that boosts confidence. 

Complete reach & ROI  

One toll-free number covers the entire U.S. and Canada with high throughput and no brand or campaign registration fees for measurable returns. 
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ENTERPRISE RELIABILITY 

Reliable delivery with toll-free messaging

Toll-free numbers on Sinch give you consistent delivery performance and clear, verifiable delivery reporting—built for high-volume, enterprise traffic. 

  • Tier-1 carrier delivery receipts in the U.S. and Canada 

  • High-throughput A2P messaging for large-scale programs 

  • Built-in spam and filtering controls to help ensure messages are accepted and delivered 

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BUILT-IN BRAND CREDIBILITY 

A single toll-free line for a consistent customer experience 

Use one toll-free number across voice, SMS, and MMS to keep your brand easy to reach and simple to recognize. Voice, SMS, and MMS on one number 

  • Voice, SMS, and MMS on one number 

  • Nationwide toll-free calling at no cost to your customers 

  • Nationwide toll-free calling at no cost to your customers 

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SMARTER INVESTMENT 

High volume, low cost, zero registration fees 

Toll-free messaging gives you enterprise-scale throughput without the added fees that come with short codes. Sinch provisions numbers quickly, supports 10 MPS out of the box, and doesn’t require brand or campaign registrations. 

  • Fast provisioning (typically 1–5 days) 

  • Throughput beyond 10 MPS once verified 

  • Straightforward pricing: $2 setup / $2 MRC per number 

  • Low-cost hosting for existing numbers: $0.50 setup / $0.50 MRC 

FEATURES THAT JUST WORK 

Everything you need to launch and scale 

SMS & MMS support  

Send texts, images, and GIFs nationwide to boost engagement and clarity. 

Two-way conversations  

Get real-time replies so customers can ask questions or take action instantly. 

High-throughput channel  

Start with 10 MPS and scale to higher speeds for peak campaigns. 

Voice-ready number  

Use the same trusted toll-free line for inbound and outbound calls, supported in 70+ countries. Local rules apply. 

Handset delivery receipts  

See when every message reaches the device (for Tier 1 carriers in US & Canada). 

Expert verification help  

Sinch guides you through the mandatory carrier review to prevent filtering. 

Unified developer API  

One REST API manages voice, SMS, and MMS for faster builds and easier upkeep. 

Fast, no-downtime activation  

Add texting in days without touching your existing voice service. 

Owned, resilient network  

Built on a robust Feature Group D network with Rapid Recovery Technology for automatic failover and continuity. 

Proactive fraud monitoring  

Protect against voice fraud schemes like traffic pumping to keep your budget and operations safe. 

REAL-WORLD USE CASES 

Amplify service, marketing, and security 

 Alerts & notifications  

Send time-sensitive updates like shipping, appointment, and service alerts at scale, backed by handset receipts to give you peace of mind. 

Two-factor authentication  

Share verification codes from a recognizable toll-free number, improving user trust while keeping costs low and throughput high. 

Promotions & marketing  

Run compliant, rich-media campaigns that invite two-way conversations, nurture leads, and track conversions—all on a memorable vanity number. 

Customer support  

Shift routine calls to text, offer asynchronous help, and let agents handle multiple chats at once to lower costs. 


Toll-free messaging FAQs

Yes. Toll free number texting supports two-way SMS, MMS, and voice on one number, is faster to set up, and costs less with no brand or campaign registration fees. Short codes are still the best for ultra-high-volume, time-critical alerts. 

They confirm the message reached the user’s device, not just the carrier. This gives you definitive proof for compliance and customer service reporting. 

Yes. Sinch’s process layers messaging onto your current provider’s voice line, without porting, downtime, or lost calls. 

Carriers review your use case to prevent spam and allow higher throughput. Sinch helps you through the process, so you get top-tier deliverability. 

Two-way SMS/MMS is mainly available the U.S. and Canada, while Voice works in 70+ countries. One-way SMS/MMS currently works for messages coming from the US and Canada and can reach many global destinations. 

You start with 10 MPS and can get higher speeds after successful Toll-Free Verification based on your approved use case.