---
title: "SMS pricing and sender ID rules in Sri Lanka"
description: "Business SMS in Sri Lanka from $0.0340 per message: operator rates, volume tiers, sender ID registration (5-10 business days), TRCSL rules and quiet hours."
canonical: "https://omnichannels.ai/sms-pricing/sri-lanka/"
language: "en"
updated: "2026-09-29"
publisher: "BroadNet Technologies"
brand: "OmniChannels.ai"
---

# SMS pricing and sender ID rules in Sri Lanka

Canonical: https://omnichannels.ai/sms-pricing/sri-lanka/
Language: en
Publisher: OmniChannels.ai by BroadNet Technologies

Indicative rates by operator and volume, sender ID registration, consent rules and quiet hours for business SMS to Sri Lanka, from BroadNet's published rate card and regulatory research.

**Short answer:** Business SMS to Sri Lanka starts at $0.0340 per message segment on BroadNet's published rate card, with lower rates from 100,000 messages a month. 3 mobile operators are covered, all on direct routes. Sender ID registration with TRCSL typically takes 5-10 business days.

## Rates by operator and volume tier

| Operator | Route | Up to 100,000 | 100,000 to 1 million | 1 to 5 million | 5 million and more |
|---|---|---|---|---|---|
| Dialog Axiata | Direct | $0.0389 | $0.0342 | $0.0288 | $0.0233 |
| Mobitel | Direct | $0.0364 | $0.0320 | $0.0269 | $0.0218 |
| Hutch Sri Lanka | Direct | $0.0340 | $0.0299 | $0.0252 | $0.0204 |

USD per SMS segment, before taxes and sender ID fees. Rate card reviewed 24 September 2026.

## SMS rules in Sri Lanka

Summary of Telecommunications Regulatory Commission of Sri Lanka (TRCSL) and operator requirements. Last reviewed 29 September 2026; rules change, so we confirm them for your traffic during onboarding.

- **Sender ID formats:** TRCSL · Dialog Axiata and Mobitel: Alphanumeric (local script supported), up to 11 chars
- **Sender ID registration:** TRCSL · Dialog Axiata and Mobitel: Set by the operators; BroadNet confirms the current requirements during onboarding Typical lead time: 5-10 business days.
- **Consent (opt-in):** Verifiable opt-in required, with traffic categorised by use case at the time of registration. DLT-style template approval applies in several markets.
- **Opt-out:** STOP keyword and DND-registry suppression applied automatically. Records retained per regulator requirements.
- **Quiet hours and send window:** TRCSL's promotional-messages guidelines bar promotional messages from 20:00 to 08:00. Transactional 24/7.
- **Regulator:** Telecommunications Regulatory Commission of Sri Lanka (TRCSL). Country code +94.

## Sources

- List rates: BroadNet's published SMS rate card, reviewed 24 September 2026. Indicative, excluding taxes; your quote confirms the final price. Cost estimator: https://omnichannels.ai/pricing/estimator/
- [Telecommunications Regulatory Commission of Sri Lanka (TRCSL)](https://www.trc.gov.lk/)
- [TRCSL promo guidelines](https://www.trc.gov.lk/content/files/guideline/PromotionalMessagesGuidelines.pdf)

## SMS to Sri Lanka: questions

### How much does it cost to send an SMS to Sri Lanka?

Indicative list rates start at $0.0340 per SMS segment, falling to about $0.0219 at 5 million messages a month. Prices exclude taxes and sender ID fees; your quote confirms the final rate.

### Do I need to register a sender ID in Sri Lanka?

Yes, in practice: the mobile operators in Sri Lanka set the sender ID requirements rather than a central registry. BroadNet confirms the current requirements during onboarding.

### How long does sender ID registration take in Sri Lanka?

Typically 5–10 business days, depending on the operator and the documents provided. We confirm the current timeline for your sender ID during onboarding.

### When can I send promotional SMS in Sri Lanka?

Promotional window: 08:00–20:00 local time. TRCSL's promotional-messages guidelines bar promotional messages from 20:00 to 08:00. Transactional 24/7.

### Which mobile operators can I reach in Sri Lanka?

Dialog Axiata (direct route), Mobitel (direct route), Hutch Sri Lanka (direct route).

### What opt-out wording is required in Sri Lanka?

STOP keyword and DND-registry suppression applied automatically. Records retained per regulator requirements.

Data: BroadNet published rate card and regulatory research, reviewed 29 September 2026. URL: https://omnichannels.ai/sms-pricing/sri-lanka/