SMS compliance in Oman

The rules that apply to business SMS sent to numbers in Oman, with the source for each.

Quiet hours

Promotional SMS only 08:00-21:00 (from Aug 2026); promotional SIDs need 'AD' prefix.

Source: TRA Oman decision (2026)

Consent

Prior consent required for marketing messages.

Source: Royal Decree 6/2022 (PDPL)

Opt-out

Promotional SMS must offer a free, simple opt-out (e.g., reply STOP); honour requests promptly and suppress opted-out numbers.

Source: Operator/aggregator policy (best practice)

Prohibited content

Blocked: gambling/betting, alcohol, adult/dating, political and religious content, content offensive to public morals or Islam, phishing/fraud, unlicensed financial/crypto offers, URL shorteners.

Source: Operator content policies / national advertising law

Data protection law

Royal Decree 6/2022 (PDPL). Supervisory authority: Ministry of Transport, Communications and IT.

Source: Royal Decree 6/2022 (PDPL)

Sender ID rule

Generic SIDs not allowed; promotional SIDs 'AD-' prefix; max 11 chars; SID unique per MNO.

Source: Operator/regulator registration rules

Other

Promotional SIDs 'AD-' prefix (2026).

Source: Regulator/operator rules

This summary is guidance, not legal advice. Last verified 23 October 2026.