# A2P SMS, OTP, and sender ID rules in Sri Lanka

> BroadNet delivers A2P SMS and OTP in Sri Lanka over direct connections to Dialog Axiata, Mobitel, and Hutch Sri Lanka, with TRCSL sender ID registration in 5-10 business days.

- Canonical URL: https://www.broadnet.me/coverage/sri-lanka
- Language: en
- Last updated: 2026-10-21
- Publisher: BroadNet (https://www.broadnet.me)

Direct termination into Dialog Axiata, Mobitel, and Hutch with TRCSL-aligned sender ID registration handled in-house.

## Key facts

- Regulator: TRCSL (Telecommunications Regulatory Commission of Sri Lanka)
- Dialling code: +94
- MCC: 413
- Mobile subscribers: 29M
- Sender-ID lead time: 5-10 business days
- Time to launch: Live in 5–15 business days from test-access request to production
- Typical OTP latency: 3.3 s
- Typical delivery rate, operator-direct: 98.8%
- SMS price band: USD 0.025 – 0.045 (indicative list rates, reviewed 2026-09-24)
- Billing currencies: USD

## Operators

| Operator | MNC | Route | Grade | A2P rate |
|---|---|---|---|---|
| Dialog Axiata | 413-02 | Direct | A+ | USD 0.0389 |
| Mobitel | 413-01 | Direct | A+ | USD 0.0364 |
| Hutch Sri Lanka | 413-08 | Direct | A | USD 0.034 |

## Technical facts for Sri Lanka

Network codes, message lengths and sender-ID rules in one table. Segment lengths are the GSM standard values (3GPP TS 23.038).

| Technical facts | |
|---|---|
| Mobile country code (MCC) | 413 |
| Dialling code | +94 |
| Operators (MCC-MNC) | Dialog Axiata · 413-02; Mobitel · 413-01; Hutch Sri Lanka · 413-08 |
| SMS length, GSM-7 (Latin alphabet) | 160 characters in a single SMS; 153 per part when concatenated |
| SMS length, UCS-2 (Arabic, Cyrillic and other scripts) | 70 characters in a single SMS; 67 per part when concatenated |
| Regulator | TRCSL (Telecommunications Regulatory Commission of Sri Lanka) |
| Sender-ID rules | TRCSL + operator sender ID registration. Sinhala, Tamil, English all supported. |
| Sender-ID lead time | 5-10 business days |

## Pricing

| Band | Transactional | Promotional | Note |
|---|---|---|---|
| Pay-as-you-go | USD 0.0340 | USD 0.0414 | List rate up to 100K messages/month |
| Growth · 100K+ | USD 0.0299 | USD 0.0365 | Auto-tier discount |
| Volume · 1M+ | USD 0.0252 | USD 0.0307 | Includes quarterly route review |
| Enterprise | Custom | Custom | Direct operator pricing + signed SLA |

## Sender ID

TRCSL + operator sender ID registration. Sinhala, Tamil, English all supported.

TRCSL + operator sender ID registration: 5-10 business days.

## Rules

- **TRCSL sender ID**: Sender IDs registered via operator route.
- **PDPA 2022**: Sri Lanka Personal Data Protection Act enforced.
- **Sinhala / Tamil / EN**: All three at parity.
- **Quiet hours 20-08**: TRCSL guidelines: no promotional messages from 8.00 p.m. to 8.00 a.m.

## Compliance

Sri Lanka PDPA 2022 enforced. Under the TRCSL promotional-messages guidelines, no promotional messages from 20:00 to 08:00.

## Sample A2P template

```text
Your verification code is 528914.
```

## Related

- https://www.broadnet.me/regulations/sri-lanka
- https://www.broadnet.me/pricing/sms/sri-lanka