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· 5 min read

By Syed Shariq, Co-founder & CEO of Estric AI · Editorial policy

A2P 10DLC Registration Explained for US Small Businesses

Learn what A2P 10DLC registration is, why US cell carriers like Verizon and T-Mobile filter unregistered business texts, and how to comply.

What is A2P 10DLC?

A2P 10DLC stands for Application-to-Person messaging using 10-Digit Long Codes. It's a new industry standard in the United States that allows businesses to send texts to customers using regular 10-digit phone numbers, but with increased scrutiny and deliverability compared to previous methods. Essentially, it distinguishes legitimate business communication from spam.

This system was put in place by major US cell carriers such as Verizon, AT&T, and T-Mobile, with support from the FCC, to combat the rising tide of unwanted commercial texts. For small service businesses, this means that any automated text messages, like appointment reminders or booking confirmations from an AI receptionist, must comply to ensure they arrive reliably.

Why is it important for small businesses?

Without proper A2P 10DLC registration, your business's text messages are likely to be filtered, delayed, or outright blocked by cell carriers. This can severely impact customer communication. Imagine sending an SMS confirmation for an important appointment, only for your customer to never receive it, leading to a missed appointment or a frustrated client.

For small service businesses that rely on efficient customer communication-from plumbers to salons and clinics-reliable texting is crucial. An AI front desk like Estric AI that sends SMS confirmations for bookings will require your business to be A2P 10DLC registered to guarantee message delivery to your customers' cell phones.

The registration process

Registering for A2P 10DLC involves providing information about your business and the types of messages you intend to send. You'll typically need to provide your business name, Employer Identification Number (EIN), business address, and details about your text message campaigns (e.g., appointment reminders, marketing offers, customer support).

The process helps carriers verify that you are a legitimate business and not a spammer. While the initial setup might seem like an extra step, it's designed to protect both businesses and consumers by ensuring that valuable messages get through and unwanted ones are stopped.

Costs involved with A2P 10DLC

There are generally two types of costs associated with A2P 10DLC registration: one-time registration fees and recurring monthly campaign fees. The one-time registration fee for your brand can range from around $4 to $40, depending on your business type and the specific platform you use.

Monthly campaign fees, which cover the actual text messaging 'campaigns' you run (e.g., appointment reminders), can range from $1.50 to $10 per campaign. These fees are typically passed through by your text messaging provider, such as Estric AI, to cover the costs imposed by The Campaign Registry (TCR) and cell carriers.

Impact on message delivery

Once registered, your business texts will experience significantly improved deliverability rates. Carriers recognize your registered 10-digit number as a legitimate source, reducing the chances of messages being flagged as spam. This means your booking confirmations, after-hours call replies, and other customer communications will reach their intended recipients reliably.

Unregistered messages, conversely, face heavy filtering. Verizon, AT&T, and T-Mobile have robust systems to detect and block non-compliant A2P traffic. Ensuring compliance is not just about avoiding penalties; it's about maintaining effective communication with your customer base and preventing missed opportunities.

Frequently asked questions

What is A2P 10DLC registration?

A2P 10DLC registration is a mandatory US system for businesses to register their 10-digit phone numbers and message content with cell carriers, ensuring legitimate texts like appointment confirmations are delivered and not filtered as spam.

Why do US carriers require A2P 10DLC registration?

US carriers like Verizon and T-Mobile require A2P 10DLC registration to combat spam, improve message deliverability for legitimate businesses, and protect consumers from unwanted commercial texts.

How much does A2P 10DLC registration cost?

A2P 10DLC registration typically involves a one-time brand registration fee, ranging from $4 to $40, and recurring monthly campaign fees between $1.50 and $10 per campaign.

What happens if a business doesn't register for A2P 10DLC?

If a business doesn't register for A2P 10DLC, its text messages are likely to be filtered, delayed, or blocked by US cell carriers, leading to poor message deliverability and potential communication failures with customers.

Is A2P 10DLC registration required for all businesses in the US?

A2P 10DLC registration is required for most US businesses sending Application-to-Person (A2P) text messages to customers using standard 10-digit phone numbers, particularly for automated messaging from services like an AI front desk.

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