SMS Marketing in 2026: What Still Works (and What Doesn't)
SMS is still the channel people actually open, and quickly — but the rules around it have changed dramatically. Carriers now block unregistered traffic, and customers expect personalization. Here's the 2026 playbook.
A2P 10DLC: The Compliance Reality
If you're texting customers from a regular business number in the US, you need A2P 10DLC registration. Carriers are now actively blocking unregistered traffic.
This isn't optional — it's a $1,000+ fine per violation if you skip it.
What Still Works
- Appointment reminders (50%+ no-show reduction)
- Order confirmations and shipping updates
- Time-sensitive promotions to opted-in customers
- Two-way conversational support
What's Dead
- Bulk promotional blasts to cold lists
- Buying SMS contact lists (illegal & ineffective)
- Generic 'Hi, check out our sale' messages
- Texting without explicit opt-in
AI Personalization Changes Everything
Modern SMS platforms use AI to personalize every message — referencing past purchases, location, and behavior. Getting opened was never the hard part; the gap between a generic blast and a relevant one shows up in replies and conversions, so track those two rather than open rate.
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