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The contractor’s simple guide to 10DLC SMS registration

Published August 25, 2026·6 min read·By Brett, Founder

Key Takeaway

Cell carriers now block business text messages from unverified numbers. Here is everything you need to know to ensure your estimate texts arrive.

10DLC Carrier Verification Checklist

Check your business readiness before submitting for mobile carrier registration.

  • Valid EIN & Registered Legal NameMatches exactly with IRS Form CP 575 or official state registration.
  • Compliant Website Privacy PolicyExplicitly states customer numbers will not be sold or shared with 3rd parties.
  • Clear SMS Opt-In Consent on FormsIncludes notice that submitting a form authorizes text messages for estimates.
  • Carrier STOP / UNSUBSCRIBE Keyword HandlingAutomated handling when a homeowner texts STOP to unsubscribe immediately.

2 of 4 requirements completed

If you use software to text quotes, invoices, or appointment reminders to customers, you must comply with A2P 10DLC (Application-to-Person 10-Digit Long Code) carrier regulations. Unregistered numbers face severe carrier filtering and message drops.

What carriers require for TCR approval

The Campaign Registry (TCR) verifies that your business is legitimate and that your customers have given proper consent to receive text messages from your company.

  • Valid legal business name and Employer Identification Number (EIN).
  • A compliant website privacy policy explicitly stating customer phone numbers will not be shared or sold.
  • Clear SMS terms and opt-in language on all web contact and estimate request forms.
  • Automatic support for standard carrier opt-out keywords (STOP, CANCEL, UNSUBSCRIBE).

How Let’s Get Quoted handles 10DLC for you

Let’s Get Quoted automates the entire SignalWire / TCR brand and campaign registry workflow, provisions dedicated business phone numbers, and formats compliant opt-in/opt-out handlers out of the box.

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The contractor’s simple guide to 10DLC SMS registration · Let’s Get Quoted · Let's Get Quoted