SMS Marketing
Nov 3, 20256 min read

Terms You Should Know in SMS Marketing

Essential SMS marketing terminology, metrics, and how to optimize based on the data.

Understanding SMS marketing terminology is essential for running effective campaigns. Here's your complete glossary of terms, metrics, and how to optimize based on the data.

Core SMS Terms

10DLC (10-Digit Long Code)

A standard 10-digit phone number registered for business SMS. Required for all commercial texting in the US.

Short Code

A 5-6 digit number used for high-volume messaging. More expensive but offers higher throughput.

Toll-Free Number

An 800-series number that can be used for SMS. Good for customer service and two-way messaging.

A2P (Application-to-Person)

Messages sent from a business application to consumers. All marketing SMS is considered A2P.

P2P (Person-to-Person)

Messages sent between individuals. Not for marketing use.

Key Metrics

Delivery Rate

Percentage of messages successfully delivered to recipients.

  • Good: 95%+
  • Action: Clean your list if below 90%

Open Rate

Percentage of messages that are opened/read. SMS typically sees 98%+ open rates.

Click-Through Rate (CTR)

Percentage of recipients who clicked a link in your message.

  • Average: 19%
  • Good: 25%+

Conversion Rate

Percentage who completed the desired action (purchase, sign-up, etc.).

Opt-Out Rate

Percentage who unsubscribed after receiving a message.

  • Average: 0.5-1%
  • Concern: Above 2%

Revenue Per Message (RPM)

Total revenue divided by messages sent. Key ROI metric.

How to Optimize Based on Metrics

Low Delivery Rate

  • Clean invalid numbers from your list
  • Check 10DLC registration status
  • Review message content for spam triggers

Low CTR

  • Shorten your links with a branded shortener
  • Place link early in the message
  • Create urgency with limited-time offers
  • Personalize message content

High Opt-Out Rate

  • Reduce sending frequency
  • Improve message relevance
  • Segment your audience better
  • Review timing of your sends

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