A six-message two-way SMS exchange on a registered US 10DLC long code costs US$0.0618 to US$0.0723 in message plus carrier fees, depending on the recipient's network. On top sit a one-time brand fee of US$4.50 to US$46, a US$15 campaign vetting fee, US$1.50 to US$10 per campaign per month, and US$1.15 a month for the number. All figures read at source on 10 September 2026.
What this covers
- How much does A2P 10DLC cost per month?
- Do I get charged for inbound SMS replies?
- What does one two-way conversation actually cost?
- What does a month of 5,000 contacts cost end to end?
- Which brand and campaign tier should I register?
This is a technical summary. The full guide — with the tables and worked examples — is on our site: *A2P 10DLC Costs for Two-Way AI SMS Agents*.
Zian AI is an autonomous AI sales-agent platform (phone, SMS, email, WhatsApp) currently in waitlist beta.
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