What is 10DLC? A better way to send business messages

If you’re exploring how to message customers more effectively, you might have found it confusing. Some businesses use regular phone numbers, but those were built for personal chats, not for sending lots of messages quickly and reliably.

And then there are shared short codes – a breeding ground for scams and malware that were even banned by American wireless carriers in 2021. Premium, dedicated short codes are a great solution, but there are still some limitations.

Enter 10DLC (short for 10-digit long code), a better way for businesses to send mass messages that feel local. 10DLC offers the scale you need with the trust and familiarity of a regular phone number. It’s efficient, compliant, and cost-effective.

In this guide, we’ll cover what 10DLC is, what its benefits are, which businesses can benefit from it, and how to use it for your brand.

10DLC stands for 10-Digit Long Code. It’s a type of business phone number approved by U.S. mobile operators for application-to-person (A2P) messaging across North America. It allows businesses to send text messages directly to their customers using a 10-digit business (landline) phone number that looks like a standard phone number but is set up for business use.

This method works across the North American Numbering Plan (NANP), meaning it’s available in the U.S., as well as in U.S. territories, Canada, and the Caribbean.

So, what’s the big deal? Well, with 10DLC, you can tailor your outreach to match different customer preferences and needs – all while using a single, compliant, and cost-effective business number.

Whether you’re announcing a new product, offering customer support, or gathering feedback, a 10DLC number gives you the tools to do it – all while staying compliant with messaging regulations.

Understanding the differences between 10DLC, toll-free and SMS short codes can be tricky, but also important so you know your options inside out.

10DLC is tailored for business-to-consumer communication and offers a blend of the personalized touch of traditional phone numbers with the efficiency and compliance needed for mass messaging. 10DLC is a great solution for A2P messaging, which makes it a go-to for businesses aiming to reach their audience on a large scale without losing a personal connection.

On the other hand, toll-free long codes are essentially the 1-800 numbers of texting. They support mass messaging and voice calls, and they’re free for customers to text. That makes them a great fit for customer service–focused communication.

Meanwhile, short codes are shorter numbers (typically 5 to 6 digits) used primarily for mass mobile marketing campaigns and alerts. They handle a high volume of messages per second, which is great for large-scale one-way blasts, but they can feel less personal and are more heavily regulated.

10DLC unlocks new ways to connect with customers. By following a few simple protocols, brands can now reach mobile users via SMS using a 10-digit phone number.

Read on to learn how switching to 10DLC can increase engagement, improve message delivery rates, and help you future-proof your SMS messaging strategy.

With 10DLC, you can send your messages swiftly and reach your audience exactly when it matters most. Unlike traditional messaging systems that slow down under large volumes, 10DLC is built to handle the high-volume demands of modern business messaging, ensuring your communication is both timely, compliant, and efficient.

This makes it ideal for time-sensitive use cases. For example, e-commerce companies launching flash sales, event organizers sending real-time updates, or service providers offering timely customer support can all benefit from 10DLC. Sending large numbers of messages ensures your audience receives important information without delay, directly influencing customer satisfaction, experience, and revenue.

Additionally, 10DLC messaging is ideal for delivering one-time passwords (OTPs) securely and promptly, perfect for businesses that require security and seamless user experiences.

Messages sent from a local number feel more familiar and trustworthy. For example, a restaurant chain can use local 10DLC numbers to send store-specific promotional SMS to help customers instantly recognize the sender.

That local feel increases open rates, boosts engagement, and builds loyalty, because a message from a nearby business feels more like a note from a neighbor than a mass text from a stranger.

10DLC numbers are registered specifically for A2P messaging, which means U.S. carriers treat them as trusted sources. This 10DLC registration process reduces the chance of your messages being flagged as spam or blocked altogether.

The benefit here is twofold: Your messages reach their intended recipients more consistently, and delivery reliability improves your brand’s reputation.

Using a 10DLC number and registering your brand will help with higher message throughput, higher engagement rates, and more successful campaigns overall.

Person-to-person (P2P) long codes aren’t built for mass messaging and may violate industry rules. In contrast, 10DLC numbers are ideal for A2P messaging. This means they’re pre-approved for the type of mass communication efforts businesses undertake to ensure compliance with industry standards and regulations from the start.

How does this help you?

• First, it reduces the legal and operational risks associated with non-compliance, such as fines or messaging service interruptions.

• Secondly, it streamlines setting up and launching messaging campaigns, saving valuable time and resources.

For example, a health clinic using 10DLC for appointment reminders and health tips can do so knowing their communications meet telecommunications standards, avoiding penalties and ensuring their messages reach their patients without issue.

Regulatory compliance of 10DLC messaging offers peace of mind and operational efficiency. Mobile carriers, including AT&T, Verizon, and T-Mobile, have imposed these restrictions to ensure businesses follow industry guidelines and protect consumers from potential spam or fraud.

You can focus on crafting impactful messages and strategies instead of navigating telecom regulations. Clarity and compliance protect your business and boost customer confidence.

With 10DLC, you’re not juggling multiple numbers or platforms – one number supports SMS, MMS messages, and voice communications. This unified approach simplifies your messaging infrastructure and reduces costs for managing separate channels for different communications.

For starters, it provides a more cohesive communication strategy where you can tailor and adapt messages without needing multiple numbers or systems. This is great for small and medium-sized businesses (SMBs) that may need more resources for complex messaging setups.

Retailers can send promotional texts, multimedia product highlights, and voice call followups from the same business number to improve the customer experience while keeping costs in check.

10DLC messaging improves customer experience and allows you to build long-term relationships with your audience.

High delivery rates ensure your messages reach your customers without getting lost or falling victim to spam filtering. Plus, a local business number adds a personal touch and makes your communications feel more friendly and less intrusive. These elements combined create a seamless and engaging customer journey, from the initial contact to ongoing engagement.

Maintaining consistent touchpoints with customers through a reliable and familiar channel improves overall brand perception. Customers are more likely to engage with and respond to messages they trust and recognize.

Apart from this, 10DLC’s adherence to regulatory compliance requirements ensures customers feel safe and respected. This compliance protects businesses from potential legal issues and reassures customers you’re handling their data responsibly.

A2P 10DLC is excellent for a wide range of businesses that need to send alerts, reminders, one-time passwords (OTPs), or promotional content. If your communication depends on timely notifications to keep customers engaged and informed, 10DLC is a strong fit. Here are some businesses that can benefit most from using 10DLC.

Retailers can use 10DLC to build more personalized and responsive customer relationships. It offers a direct and effective way to reach customers to improve engagement and sales.

Here are some retail use cases for 10DLC:

• Send targeted promotions and discounts directly to customers and encourage immediate action.

• Automatically confirm orders to provide customers with peace of mind immediately after purchase.

• Keep customers informed with real-time updates on the status of their deliveries.

• Gather valuable feedback by sending surveys post-purchase or post-interaction.

• Alert customers to in-store events, sales, or VIP shopping sales.

• Share updates about loyalty points, rewards, and exclusive offers to engage and retain customers.

• Provide OTPs to consumers trying to log into their accounts.

Enterprises constantly seek efficient, cost-effective ways to communicate with their audience, and 10DLC offers just that, bringing the perfect blend of affordability, scalability, and reliability.

Common enterprise use cases for 10DLC include:

• Share company news, policy updates, or important alerts to employees and stakeholders.

• Send event reminders or internal survey links to boost employee involvement.

• Alert customers and partners about new product releases or updates.

• Provide timely notifications during critical situations to ensure safety and continuity.

• Integrate with CRM systems for automated customer communications like appointment reminders or service feedback requests.

If you operate in an industry that prioritizes compliance like healthcare, finance, and education, you’ll find 10DLC a critical asset. It aids compliance, offering peace of mind and reducing the risk of penalties.

Businesses that benefit from 10DLC include:

• Nonprofits can engage with donors, volunteers, and beneficiaries about fundraising events, program updates, and emergency assistance efforts to ensure messages are respectful and comply with solicitation laws.

• Healthcare providers can send appointment reminders, patient care follow-ups, and public health notifications, all while adhering to HIPAA regulations.

• Financial institutions can deliver OTPs, account alerts, fraud warnings, and transaction confirmations to ensure compliance with financial communication regulations.

• Educational institutions can communicate with students and parents about emergencies, school events, and academic reminders in a manner that respects privacy laws.

• Government agencies can issue public safety announcements, community alerts, and citizen engagement messages that follow government communication standards.

For businesses and organizations in these sectors, 10DLC provides a framework that respects the stringent regulatory requirements inherent to these industries.

Now that you know the basics of 10DLC, let’s discuss some best practices for running effective campaigns. Applying these tips will help you create relevant messaging, drive engagement, and get the most out of the 10DLC platform.

• Create descriptive names for your campaigns to help recipients understand the context immediately and to ultimately enhance engagement. Choose names that reflect the campaign’s intent and content, making it easier for users to recognize and trust your messages.

• Include compliance information in every message such as your brand name and instructions for “help” and “stop” to opt-out. Brand recognition, transparency and opt-out instructions satisfy regulatory requirements and build trust with your audience.

• Provide a clear description of your campaign because a well-articulated campaign purpose removes ambiguity and sets the right expectations. For example, if your campaign concerns customer feedback, specify this to avoid confusion.

• Ensure all submitted information is accurate and that your company name, tax ID, and address all match your official records. Accuracy is key to avoid delays or rejections in campaign approval.

• Avoid public URL shorteners since U.S. carriers often block messages containing links from programs like bit.ly or tiny.url, which are often fraudulent. Instead, use branded/private paid-for short links to maintain message integrity and deliverability.

• Control the messaging throughput level to maintain quality and avoid carrier penalties. It’s better to handle this internally than rely on your connectivity partner to manage it.

Choosing the right 10DLC provider is key to ensuring every message reaches customers reliably, securely, and at scale.

So, what makes a great 10DLC partner? When evaluating providers, consider the following:

• Direct connectivity to major U.S. carriers. This cuts out middle layers, which means fewer hops, fewer points of failure and faster delivery. With direct connectivity, your messages take the most direct path, reducing latency and boosting reliability.

• Flexibility for enterprise needs. Can the provider support your legacy systems, compliance workflows, and custom sender requirements?

• Scalability. Is the provider built to handle peak volumes without degradation?

• Seamless onboarding and support. Self-service tools and automation can save valuable time and resources. Plus, direct connectivity with carriers provide better support and faster issue resolution.

Sinch is the only CPaaS provider with direct 10DLC SMS connectivity to all three major U.S. carriers. This means you’ll get unmatched delivery quality, more cost-efficient messaging, and a direct line of support for faster issue resolution.

Our platform also offers deep configuration flexibility and scalability by design, allowing businesses to bring their own numbers and campaigns and send high volumes without degradation in quality. Plus, Sinch provides fully automated onboarding and provisioning to get businesses up and running faster.

Getting started with 10DLC is a simple process. You’ll just need to registeryour brand and campaign information, purchase or port your 10DLC numbers, and start sending!

A single brand can have multiple campaigns, and each customer can have multiple brands. As you’ll see, choosing the right SMS provider can make all the difference when navigating the nuances of 10DLC.

To send 10DLC campaigns, brands must register with The Campaign Registry (TCR):

1. If you’re not a Content Service Provider (CSP), Sinch can manage all your registration needs. Get in contact with our team, and then we’ll ask you for your company name, tax ID, and contact details so we can take care of the rest.

2. Or, if you’re a CSP, visit TCR and select “Register Now”. Then, as you set up your customers’ Brand and Campaign information within TCR, you can select Sinch as your Directly Connected Aggregator (DCA).

3. Ensure your company information is 100% accurate – inaccuracies will delay your 10DLC launch. If you enter incorrect information, you may be in an “unverified” state, and you won’t be able to continue.

Once registered, TCR will verify your identity and assign a brand trust score. You should promptly fix any issues before running campaigns.

You’ll also need to review throughput needs beforehand. Depending on the carrier, throughput is determined based on factors such as brand vetting score, type of campaign, and use case. You should review your daily volume needs beforehand to ensure higher throughput.

Need higher volumes? Vetting is optional but recommended for higher throughput. Choose standard vetting (a basic identity check) or enhanced vetting (2-4 week investigation). Vetting level determines your brand score and carrier throughput allotment. We recommend at least going through a standard vet for all brands.

Once your brand has been verified, and hopefully vetted, register your messaging campaigns through with these steps:

1. If you’re a Sinch customer, log into the Customer Dashboard and enter in your campaign information from the left side menu under “SMS.” If you’re a CSP, log into the TCR portal, select “Register Campaign” and choose Sinch as your connectivity partner.

2. You can have multiple campaigns per brand, but each campaign can only belong to one brand.

3. Provide a campaign description, opt-in flow, sample messages with HELP and STOP responses, terms and conditions and privacy policy links, opt-in/out details, and any applicable mobile originated (MO) opt-in keywords.

4. For all campaigns, don’t forget to include your “call-to-action” and opt-in/out specifics.

After registering, Sinch, or TCR, will generate your unique campaign ID.

The next steps involve getting 10DLC numbers for your campaigns and having them text enabled. At Sinch, we can assist with both.

Throughput is set at the number/campaign level (AT&T) or brand level (T-Mobile). If porting an existing number, you must provide Letters of Authority.

Prior to 10DLC you may have used many numbers to send your messages and stay below throughput thresholds. With 10DLC however, you can now send all 10DLC messages from a single number. You don’t need to spread your traffic over multiple numbers (snow shoeing).

Once you’ve registered your 10DLC campaigns with Sinch and tied your numbers to the campaigns, you’re all set to go. Start messaging!

If you’re a CSP, and have registered your brand and campaign in TCR, and selected Sinch as your DCA we’ll take it from there. We’ll do all the back-end work and once your campaign has been reviewed and approved, you’ll be all set to go.

Contact our team of experts at Sinch to begin the approval process and improve your business text messaging experience.

With our guidance, you can get set up on 10DLC quickly and maximize customer engagement with impactful messaging.