A2P SMS regulations in Bahrain.
Compliance with TRA Bahrain.
A2P SMS in Bahrain is overseen by the Telecommunications Regulatory Authority (TRA Bahrain), with data-privacy obligations under the Personal Data Protection Law (Law No. 30 of 2018). Senders must use an approved alphanumeric sender ID carrying the brand name, obtain prior opt-in consent for marketing, and honour opt-out (STOP) requests. Numeric and generic sender IDs are generally blocked.
Governing regulator and primary law
The Telecommunications Regulatory Authority (TRA Bahrain) regulates telecom services, numbering and consumer protection, and its rules reach enterprise senders through the mobile operators. Data-privacy obligations sit under the Personal Data Protection Law (PDPL), Law No. 30 of 2018, in force since 1 August 2019 and enforced by the Personal Data Protection Authority (PDPA).
- Telecom regulator: TRA Bahrain (tra.org.bh).
- Data-privacy law: PDPL, Law No. 30 of 2018 (in force 1 Aug 2019).
- Financial-sector messaging may also fall under Central Bank of Bahrain requirements.
- Telecom law: Legislative Decree No. 48 of 2002 (the Telecommunications Law), which established the TRA.
Sender-ID registration
Bahrain does not operate a public central A2P sender-ID registry; brand sender IDs are whitelisted through the mobile operators or an accredited aggregator. Alphanumeric sender IDs are supported and preserved as sent and must carry the actual brand name. Numeric sender IDs are generally not supported except for two-way services, and generic IDs or operator/network names are prohibited.
- Whitelist the brand alpha sender ID via each operator or aggregator.
- Sender ID must contain the brand name; preserved as sent.
- Numeric/generic sender IDs and network names are blocked.
- Register across all three carriers for full reach.
Promotional vs. transactional, content and timing
Transactional/service messages (OTPs, delivery, banking alerts) are expected to reach opted-in users promptly, including outside typical marketing hours where urgent. Promotional messages require prior opt-in and are subject to timing, content and opt-out controls. Prohibited categories include political, religious, gambling, adult and unsolicited content; marketing is commonly restricted to daytime hours with sensitivity around Friday prayer times and Ramadan.
- Transactional: OTP/alerts tied to a request or existing service.
- Promotional: strict consent + opt-out apply.
- Prohibited: political, religious, gambling, adult, unsolicited content.
- Keep marketing and transactional on separated sender IDs.
Consent, opt-out and data protection (PDPL)
Marketing SMS requires the recipient's prior opt-in; the PDPL gives individuals the right to object to direct marketing and to have processing stopped on request. Every marketing message should identify the sender and offer a free, simple opt-out, with STOP/UNSUBSCRIBE and HELP keywords supported in English and Arabic. Consent must be express and given in writing or electronically; controllers must respond to a valid objection within 10 working days.
- Express, documented consent for marketing use.
- Support STOP/UNSUBSCRIBE and HELP in English and Arabic.
- Right to object to direct marketing (SMS/email).
- Respond to a valid objection within 10 working days.
Penalties and operator landscape
Enforcement spans two layers: operators can suspend or block non-compliant sender IDs and routes, and the PDPA can pursue statutory penalties for data-protection breaches, including fines and, for individuals, potential imprisonment, with fines increased for corporate entities. Bahrain has three licensed MNOs — Batelco (incumbent), Zain Bahrain, and stc Bahrain (formerly VIVA) — and full national coverage means registering the brand sender ID with each.
- Operator-level: sender-ID suspension, route blocking, termination.
- PDPA pursues statutory penalties for data-protection breaches.
- Three MNOs: Batelco, Zain Bahrain, stc Bahrain.
- Arabic sender IDs and concatenated messages supported; short codes/two-way limited.
- PDPL criminal offences can carry a fine of up to BHD 20,000 or imprisonment of up to one year.
- Submit your KYC packTrade licence, authorisation letter and sample messages
- BroadNet files the applicationWith the operators or the regulator, as the market requires
- Review and approvalTypical lead time5-7 business days
- Send under your brandYour approved sender ID on every message
Technical facts for Bahrain
Network codes, message lengths and sender-ID rules in one table. Segment lengths are the GSM standard values (3GPP TS 23.038).
| Mobile country code (MCC) | 426 |
|---|---|
| Dialling code | +973 |
| Operators (MCC-MNC) |
|
| 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 | TRA-BH (Telecommunications Regulatory Authority of Bahrain) |
| Sender-ID rules | TRA-BH sender ID pre-registration required. Arabic + Latin scripts both at parity. |
| Sender-ID lead time | 5-7 business days |
How to register a sender ID in Bahrain
What to prepare, who approves it and how long it takes. Send us the documents below and BroadNet coordinates the registration with the operators, the regulator or the registry, as the market requires.
- Who approves
- The three mobile operators, Batelco, Zain Bahrain and stc Bahrain, under TRA Bahrain rules. There is no public central registry: the brand sender ID is whitelisted with each operator.
- Typical lead time
- 5–7 business days once the paperwork is in
Document checklist
- Trade licence
- Signed authorisation letter
- Sample message templates
- Traffic-type declaration
Steps
- 1
Choose the sender ID: alphanumeric, Latin or Arabic, up to 11 characters, carrying your real brand name. Numeric and generic IDs and network names are blocked.
- 2
Keep marketing and transactional traffic on separate sender IDs.
- 3
Send the documents in the checklist to BroadNet. BroadNet registers the ID with Batelco, Zain Bahrain and stc Bahrain; full national reach needs all three.
- 4
Approval typically takes 5–7 business days.
- 5
For marketing, hold express, documented opt-in, identify the sender and support STOP/UNSUBSCRIBE and HELP in English and Arabic.
Common reasons for rejection
- Numeric or generic IDs such as INFO or SMS
- An operator or network name used as the sender ID
- A sender ID that does not carry your brand name, or does not match the trade licence
- Templates that mix promotional and transactional intent
Official sources
Requirements are set by the regulator and the operators and can change. Check the official sources, or ask our team, before you file.
Sources
Last reviewed
More on Bahrain
Compare A2P SMS rules across the region.
Each market pairs a regulatory playbook with its live coverage and operator-direct routing detail.
Bahrain rules: promotional vs. transactional SMS
| Capability | Promotional / marketing | Transactional / service (OTP) |
|---|---|---|
| Brand alpha sender ID required | ||
| Prior opt-in consent required | — | |
| Daytime window expected | — | |
| Bilingual STOP/HELP required | — |
Common questions
Do I need to register a sender ID in Bahrain?
Can I use a numeric sender ID?
Is opt-in consent required for marketing SMS?
Which operators do I need to reach?
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