A2P 10DLC Compliance: A Plain-English Guide for Contractors
A2P 10DLC registration is now required for any business texting customers from a local number. Here's what contractors need to know — explained without the jargon.
If you send text messages to customers from your business — appointment reminders, follow-ups, promotions — you're subject to A2P 10DLC regulations. Most contractors have heard the term but aren't sure what it means or what they need to do. This guide breaks it down in plain English.
What Is A2P 10DLC?
A2P stands for Application-to-Person — meaning messages sent by software (your CRM, scheduling tool, or auto-reply system) rather than one human typing to another. 10DLC stands for 10-Digit Long Code, which is the standard local phone number format (like 555-867-5309). Since 2021, carriers like AT&T, Verizon, and T-Mobile have required businesses using 10DLC numbers for A2P messaging to register their brand and campaigns. Without registration, your texts get filtered as spam — or blocked entirely.
Why This Matters for Contractors
Unregistered business SMS is increasingly filtered or blocked by major carriers. If your appointment reminders or follow-up texts aren't getting through, A2P 10DLC non-compliance is likely the reason.
The Two-Step Registration Process
Step 1: Brand Registration
Brand registration verifies your business identity. You'll need your legal business name, EIN (Employer Identification Number), business address, website, and a contact email. This is a one-time process done through your SMS provider. Cost is typically a small one-time fee ($4–$40 depending on the provider).
Step 2: Campaign Registration
A campaign describes the type of messages you send. For most contractors, this is a "mixed" or "appointment reminders" use case. You'll need to describe your messaging, provide sample messages, explain how customers opt in, and confirm you have an opt-out mechanism. Campaign fees are ongoing (typically $10–$15/month) and charged by the carrier.
| Registration Type | What It Covers | Typical Cost |
|---|---|---|
| Brand Registration | Business identity verification | $4–$40 one-time |
| Campaign Registration | Use-case description + sample messages | $10–$15/month |
| Number Vetting | Phone number association to campaign | $0–$4 per number |
What You Need Before Registering
- Legal business name (as registered with IRS)
- EIN / Tax ID number
- Business address and website URL
- Description of how customers opt in to receive texts
- Sample messages (2–5 examples of texts you send)
- Opt-out language (every message must include a STOP option)
Opt-In and Opt-Out Requirements
Every A2P campaign requires documented consent from recipients. For home service contractors, this typically happens when a customer books an appointment — your booking confirmation should include language like: "By providing your phone number, you agree to receive appointment reminders and service updates via text. Reply STOP to opt out." You must honor opt-outs immediately and never text someone who has opted out.
Common Mistakes That Get Campaigns Rejected
- Vague opt-in description (be specific about where and how customers consent)
- Sample messages that don't match your described use case
- Missing opt-out instructions in sample messages
- Registering under the wrong use-case category
- Using a website that doesn't match your registered business name
How CallJolt Handles A2P Compliance for You
CallJolt manages the entire A2P 10DLC registration process as part of your onboarding. We register your brand, file your campaign, associate your numbers, and ensure your message templates meet carrier requirements — so you never have to worry about texts being filtered or blocked. Your compliance is our responsibility.
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What Happens If You Don't Register?
Non-compliant messages face increasing carrier filtering, meaning they simply don't arrive. Beyond deliverability problems, sending unsolicited commercial texts can expose your business to TCPA fines of $500–$1,500 per message. The compliance investment is trivial compared to the risk.
Frequently Asked Questions
Do I need A2P 10DLC registration if I'm texting from my personal cell phone?
If you're manually texting customers one-on-one from your personal phone, you're doing P2P (person-to-person) messaging and A2P rules don't technically apply. But the moment you use software — a CRM, scheduling app, or auto-reply tool — A2P registration is required.
How long does A2P 10DLC registration take?
Brand registration is typically approved within a few days. Campaign registration can take 2–6 weeks depending on the carrier and use case. Plan ahead — you cannot legally send A2P messages until both are approved.
Can I use a toll-free number instead to avoid 10DLC?
Toll-free numbers have their own verification process (Toll-Free Verification) that is separate from 10DLC. Unverified toll-free numbers face even more aggressive filtering than unregistered 10DLC numbers.
What is a 'standard' versus 'low-volume' campaign?
Low-volume campaigns (under 2,000 messages/day) have a lighter registration process and lower fees. Most small home service contractors qualify as low-volume. Standard campaigns support higher throughput but require more documentation.
Does CallJolt handle the A2P registration for me?
Yes. CallJolt includes full A2P 10DLC brand and campaign registration as part of your setup. We handle the paperwork, manage compliance, and keep your messaging flowing.
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