The US Market

The US market is one of the most interesting and also one of the most regulated market. Please read our best practices carefully and contact our support team for recommendations if needed.

The first step is to select which kind of Sender ID you’ll use.

1. 10 DLC numbers

What is a 10 DLC number ?
10DLC is a 10-digit phone number used only in the United States  and it’s a type of long code that is registered with carriers to support high volume A2P SMS messaging using the 10-digit phone number format. Messages sent from a 10DLC to recipients show a 10-digit number as the sender. Unlike toll-free numbers, 10DLC supports both transactional and promotional messaging, and can include any US area code.

10 DLC capabilities
The capabilities of 10DLC phone numbers depend on the mobile carriers of your recipients. AT&T provides a throughput limit based on the number of message parts that can be sent each minute. T-Mobile and Sprint provide a daily limit, with no limitation on the number of message parts that can be sent per minute. As of February 15, 2021, Verizon hasn’t announced its 10DLC throughput policy.

Getting started with a 10 DLC number
In order to use a 10DLC number, fill our form located here. Part of that information will be shared  with The Campaign Registry, a third party that approves or rejects your registration based on the information. In some cases, registration occurs immediately. For example, if your campaign was previously registered with The Campaign Registry, they might already have your information. However, some campaigns might take three weeks or longer for approval.

After your company and 10DLC campaign are approved, you can purchase a 10DLC number and associate it with your campaign. Requesting a 10DLC might also take up to a week for approval. Although you can associate multiple 10DLCs with a single campaign, you can’t use the same 10DLC across multiple campaigns. For each campaign you create, you need to have a unique 10DLC.

2. Toll Free Numbers (TFN)

A toll-free number is a 10-digit telephone number that begins with one of the following area codes: 800, 888, 877, 866, 855, 844, or 833. Recently, TFNs have been adapted to support SMS, allowing businesses to send and receive text messages using their toll-free numbers.

You can use a 10DLC or a TFN to send messages but each has its strength.

3. Should you use a TFN or 10 DLC?

When deciding between using a Toll-Free Number (TFN) or a 10-Digit Long Code (10DLC) for sending SMS, it’s essential to consider your specific business needs, the type of communication, and regulatory requirements. Here are the key factors to help you decide:

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