SMS compliance in Philippines

The rules that apply to business SMS sent to numbers in Philippines, 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

Consent required for marketing; SIM Registration Act and NTC rules prohibit unsolicited commercial SMS without opt-in.

Source: Data Privacy Act 2012 (RA 10173)

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: 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

Data Privacy Act 2012 (RA 10173). Supervisory authority: National Privacy Commission.

Source: Data Privacy Act 2012 (RA 10173)

Sender ID rule

Alphanumeric SID (max 11 chars) supported; pre-registration required on some or all networks; generic SIDs (INFO, SMS, ALERT) blocked. See SenderID sheet.

Source: Operator rules (see SenderID sheet)

Other

Sender must be registered; SIM Registration Act; links in SMS restricted by operators (anti-scam directive).

Source: Regulator/operator rules

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