ShoutSMS
SMS Marketing Guide

Building Your SMS Subscriber List

Strategies, tools, and best practices to grow your SMS marketing audience through ethical, effective list building.

A successful SMS marketing campaign starts with one crucial foundation: a quality subscriber list. Unlike other marketing channels, SMS gives you direct access to your audience's most personal device. With 98% open rates, the potential for engagement is unmatched.

1. Understanding the Legal Framework

Key Regulations

  • TCPA: Requires explicit written consent before sending marketing messages.
  • CAN-SPAM: Governs commercial messaging and requires honoring opt-out requests.
  • CTIA: Industry guidelines that regulate messaging practices and content.

Compliance Checklist

  • Obtain clear, written consent
  • Include business name in messages
  • Provide clear opt-out instructions

2. Proven Opt-In Strategies

1

Website Forms

Place opt-in forms in site headers, footers, or as timed pop-ups for engaged visitors.

"Get 15% off your first order when you sign up for text alerts!"
2

Text-to-Join

Use keywords (e.g., "SAVE") that customers can text to your number to instantly subscribe.

Text "PIZZA" to 55555 for a free slice!
3

QR Codes

Add QR codes to product packaging, receipts, or in-store displays for frictionless sign-ups.

Scan to join our VIP club.

3. Incentivize Opt-Ins

Exclusive Discounts

Offer a percentage off or dollar amount discount for first-time subscribers.

Free Product/Gift

Offer a free product, sample, or branded gift with the next purchase.

Early Access

Give subscribers early access to new products or sales.

Measuring Success

Metric Benchmark How to Improve
Growth Rate 10-15% monthly Promote incentives more aggressively
Opt-Out Rate <3% per campaign Improve message relevance
Click-Through Rate 20-35% Use stronger CTAs

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