SMS compliance in South Africa
The rules that apply to business SMS sent to numbers in South Africa, with the source for each.
Quiet hours
No statutory quiet hours identified; send promotional SMS 08:00-20:00 local time (industry best practice). Transactional/OTP 24/7.
Source: Industry practice – no official text found
Consent
POPIA s.69: electronic direct marketing only with prior consent (opt-in) or to existing customers for similar products, with opt-out each time.
Source: Protection of Personal Information Act 2013 (POPIA), s.69 direct marketing
Opt-out
Every direct marketing message must include a free opt-out; WASPA Code of Conduct applies.
Source: Protection of Personal Information Act 2013 (POPIA), s.69 direct marketing / regulator rules
Prohibited content
Blocked: phishing/fraud, illegal or unlicensed gambling, adult content, hate/political content (most operators), counterfeit/illegal goods, unlicensed financial offers; URL shorteners often blocked.
Source: Operator content policies / national advertising law
Data protection law
Protection of Personal Information Act 2013 (POPIA), s.69 direct marketing. Supervisory authority: Information Regulator.
Source: Protection of Personal Information Act 2013 (POPIA), s.69 direct marketing
Sender ID rule
Alphanumeric SIDs generally not supported; messages delivered from short/long numeric codes.
Source: Operator rules (see SenderID sheet)
Other
WASPA Code of Conduct applies; alphanumeric SIDs overwritten on main routes.
Source: Regulator/operator rules
This summary is guidance, not legal advice. Last verified 23 October 2026.