SMS compliance in Chile

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

Quiet hours

Commercial communications: avoid night/holiday sending; recommended 09:00-20:00.

Source: SERNAC guidance / industry practice

Consent

Recipient may request suspension; prior consent required under new Law 21.719.

Source: Law 19.628 (new Law 21.719 from Dec 2026); Consumer Law 19.496 art.28B

Opt-out

Each commercial communication must include a way to request suspension (Law 19.496 art.28B).

Source: Law 19.628 (new Law 21.719 from Dec 2026); Consumer Law 19.496 art.28B / 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

Law 19.628 (new Law 21.719 from Dec 2026); Consumer Law 19.496 art.28B. Supervisory authority: Data Protection Agency (from 2026) / SERNAC.

Source: Law 19.628 (new Law 21.719 from Dec 2026); Consumer Law 19.496 art.28B

Sender ID rule

Alphanumeric SIDs generally not supported; messages delivered from short/long numeric codes.

Source: Operator rules (see SenderID sheet)

Other

Classify traffic as promotional or transactional; OTP/transactional must not contain marketing content; use local language or Unicode where required.

Source: Industry practice

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