What is 10DLC registration?
10DLC registration is the process US wireless carriers require before a business sends application-to-person (A2P) text messages from a standard 10-digit long code phone number. The business registers its brand and each messaging campaign, describing the use case, sample messages and how it collects consent. Unregistered traffic can be filtered, blocked or charged higher fees.
- 10DLC = 10-digit long code, the normal local phone numbers practices text from.
- Registration covers the brand (the business) and each campaign (the use case).
- Carriers check consent flow, sample messages and opt-out language.
- Registration is a carrier rule, not a law; TCPA and HIPAA still apply.
- Every practice welcome — retainers from $499/mo, Goals-Driven engagements, Performance-Linked Payout Models available.
- Dallas, Texas LLC
- US client team · Central Time (CST)
- 25+ US healthcare clients
- BAA signed with every client
- HIPAA compliance training across client and delivery teams
- Contracts and invoices in USD
-
Primary Care · North Dallas, TXCase study →
-
MedSpa · North Dallas, TX
-
Skin Care · Beverly Hills, CA
-
Dental · Christiansburg, VACase study →
-
Pediatrics · Blacksburg, VACase study →
-
Pediatric Dentistry · Blacksburg, VACase study →
-
Dental · Roanoke, VACase study →
-
Functional Medicine · Telehealth · USACase study →
“They were able to get all my ideas and work with me over a period of three to four months and create this amazing website. It's super customized, very modern, and it incorporates all the elements that I had wanted — the patient portal, nice pictures, a very interactive website, patient reviews. I would highly recommend their company to anyone who wants to make an excellent website.”
What 10DLC registration is
Application-to-person messaging means texts sent by software, such as booking reminders or promotions, rather than person-to-person chats. US mobile carriers set up the A2P 10DLC framework so that businesses texting from ordinary local numbers are identified and vetted. Businesses usually register through their texting provider, which submits the details to a central industry registry used by the carriers.
There are two parts. Brand registration identifies the legal business, usually with its EIN, address and website. Campaign registration describes each use case, such as appointment reminders or marketing, with sample messages, the opt-in method, and help and opt-out keywords. Carriers then assign throughput limits and may reject or suspend campaigns that look risky or do not match the description.
Other number types exist. Toll-free numbers have their own verification process, and short codes have a separate application.
How it applies to practice marketing
- Register before launch: new numbers may be blocked or heavily filtered until campaigns are approved.
- Match the use case: if the campaign is registered for reminders, sending promotions on it can trigger filtering or suspension.
- Show the opt-in: carriers want to see the web form or paper process where patients agree to texts, with clear consent language.
- Keep messages clean: identify the practice, include opt-out instructions, and avoid link shorteners that carriers distrust.
- Check vendor support: your texting platform should help with registration and sign a BAA if messages include PHI.
For consent rules, read the TCPA healthcare SMS guide. For tool choices, see the marketing technology stack guide.
Common mistakes and limits
Practices often register once and forget it. Then a new location, a new number or a new marketing use case goes out without matching registration, and delivery drops. Another mistake is vague sample messages or a website with no privacy policy or SMS terms, which leads to rejection.
Approval is not legal clearance. 10DLC registration does not show TCPA compliance, and carriers can still filter content they consider high-risk. Fees, vetting steps and throughput tiers change and depend on the provider, so confirm current requirements with your texting vendor. If you run several locations, decide early whether each location registers separately or texts under one brand, and keep the website, privacy policy and sample messages consistent with that choice. Our multi-location marketing guide covers how groups organize shared tools.
Related pages from the US team
TCPA healthcare SMS guide
Consent and opt-out rules for practice texting.
Marketing technology stack
Choosing texting, CRM and booking tools.
Patient email and SMS marketing
Compliant messaging programs for US practices.
US healthcare marketing glossary
Every term, defined in plain English.
Every practice welcome — Goals-Driven engagements from $499/mo
We benchmark your last 90 days, agree monthly goals with you, and track them live on Ichelon Agency OS with a report every Monday. Performance-Linked Payout Models are available. Our US leadership is based in Dallas, and strategy calls run in US business hours.
Common questions
Does a medical practice need 10DLC registration?
Yes, if it sends automated or software-based texts, such as reminders or promotions, from a standard 10-digit local number in the US. Carriers expect the brand and each campaign to be registered. Unregistered messages may be filtered or blocked.
Is 10DLC registration a legal requirement?
No. It is an industry requirement set by US wireless carriers. Legal rules still apply separately, including the TCPA for consent and HIPAA for messages containing protected health information.
Why are a practice's texts not being delivered?
Common causes are missing or rejected 10DLC registration, sending content that does not match the registered campaign, link shorteners, missing opt-out language, or sending to people who opted out. The texting provider can usually show carrier filtering reports.
Do appointment reminders and promotions need separate 10DLC campaigns?
Often, yes. Carriers want each campaign to match its registered use case. Practices commonly register reminders and marketing separately, or use a mixed-use campaign type if their provider supports it and the opt-in covers both.
A note on this guide: it explains marketing practice, not legal advice. Rules on privacy, advertising and insurance change and vary by state, so confirm anything compliance-related with your own counsel.
Texts getting filtered or blocked?
Book a 30-minute call. We'll review your registration, consent flow and message content and find what carriers are flagging.