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GoHighLevel SMS: What It Does and How to Use It

By Marnix Geerkens. Published 2026-05-28. Updated 2026-05-28.

In short

GoHighLevel SMS lets you send text messages to contacts through LC Phone, which is GHL built-in carrier infrastructure. You can send one-off texts from a contact record, automated texts inside Workflows, bulk campaigns to a list, and run two-way SMS conversations from the unified inbox. SMS is usage-billed per message segment on top of your base plan.

  • Available on all plans: Starter ($97/mo), Unlimited ($297/mo), Pro ($497/mo)
  • Usage-billed per message segment through LC Phone
  • Two-way conversations, bulk campaigns, and workflow automation all included
Plan availabilityAll plans: Starter ($97/mo), Unlimited ($297/mo), Pro ($497/mo)
Usage costUsage-billed per message segment (160 characters = 1 segment) through LC Phone. Inbound and outbound rates apply. A2P 10DLC registration is required for US business texting.

What GoHighLevel SMS does

GHL SMS works through LC Phone, which is GHL telephony infrastructure. You buy phone numbers inside GHL and send and receive texts on those numbers.

Outbound SMS: you send texts to contacts from a workflow, a campaign, or manually from the contact record. The message lands in the contact inbox thread in GHL.

Inbound SMS: when a contact texts your GHL number, the message appears in the unified inbox. You can reply manually or let Conversation AI handle the reply automatically.

Two-way conversations: every SMS thread is a full conversation. You see the entire history of texts between your number and the contact in one thread, the same as a regular text conversation.

Bulk SMS campaigns: send a text to a filtered list of contacts at once. GHL staggers the sends to comply with carrier limits.

A2P 10DLC and why it matters

A2P (application-to-person) 10DLC is the US carrier registration system for business text messaging. If you send business texts in the United States from a 10-digit local number, your brand and campaign must be registered with The Campaign Registry (TCR).

Without registration, carriers will filter or block a growing percentage of your outbound messages. With registration, your deliverability improves significantly.

GHL walks you through A2P registration in the phone number settings. You submit your business information and campaign description. Approval typically takes a few days. The registration fee is billed through GHL.

Toll-free numbers have a separate verification process and are sometimes faster to get approved than 10DLC for local numbers.

SMS use cases in GoHighLevel

Missed call text-back: when an inbound call goes unanswered, a workflow sends an automatic SMS within 60 seconds. Response rates are higher than calling back because the contact can reply when convenient.

Lead nurture sequences: new leads get a multi-day SMS drip sequence. Texts go out at intervals you set, following up until the lead books or opts out.

Appointment reminders: SMS reminder 24 hours and 1 hour before an appointment reduces no-shows significantly compared to email-only reminders.

Review requests: after a completed service, a workflow sends an SMS with a direct Google review link.

Re-engagement: send a text to contacts who have not engaged in 90 or 180 days with a relevant offer or check-in message.

GHL SMS vs dedicated texting tools

Standalone SMS marketing tools like SimpleTexting, EZTexting, and Podium start at $25 to $59/mo for basic features and charge per message or per subscriber.

GHL SMS is usage-billed per message with no separate platform fee (SMS is included in your base GHL subscription). It is integrated into the same CRM, automation, and inbox as your email and voice channels.

The integration is the key advantage. When a contact replies to your SMS, the CRM shows the full history. A workflow can branch based on the reply content. Conversation AI can take over the thread. None of this requires a Zapier integration.

Frequently asked questions

How much does SMS cost in GoHighLevel?

SMS is usage-billed through LC Phone. You pay per message segment (a standard SMS is one segment at 160 characters). Rates vary by country and by inbound vs outbound direction. Check your GHL billing dashboard for current rates.

Do I need A2P 10DLC registration to send SMS in GoHighLevel?

Yes, for business text messaging in the United States from a 10-digit local number. Without registration, US carriers will increasingly filter your messages. GHL guides you through the registration process in phone number settings.

Can GoHighLevel send MMS (picture messages)?

Yes. GHL supports MMS for sending images in text messages. MMS has a higher per-message cost than SMS.

Can I receive SMS replies in GoHighLevel?

Yes. Inbound texts appear in the unified GHL inbox in the contact conversation thread. You can reply manually or let Conversation AI handle the reply.

Can I run bulk SMS campaigns to a list?

Yes. Use the bulk action from your contacts list or build a workflow that sends an SMS to contacts matching a smart list filter.

What phone number types work with GHL SMS?

GHL supports local 10-digit numbers (requires A2P 10DLC registration for US), toll-free numbers (require toll-free verification), and short codes (for high-volume campaigns). You buy and manage numbers inside GHL through LC Phone.

Related reading

Missed Call Text Back SetupThe most popular SMS workflow: automatic text when you miss a call.Database Reactivation SMS CampaignRe-engage dormant contacts with a targeted SMS sequence.LC Phone Glossary TermPlain-English definition of LC Phone in GHL.Email Marketing FeatureGHL email marketing alongside SMS for multi-channel outreach.Feature LibraryAll GoHighLevel features explained.