China — SMS Sender ID Regulations | SMSala

01 — Regulations

Domestic vs International

Requirements differ by who is sending. Pick the scope that matches your business.

Sender ID registration is required for China. The current requirements are shown below as provided by the SMSala Sender ID team.

Sender capabilities

Alphanumeric Sender IDNot supported

Short codeNot supported

Long numericSupported

Sender formatLonge Code

Approval time17-Days

FeesNo Fees

ScopeDomestic company

Registration requirements

Registration requiredYes

Restrictions

All traffic is delivered with numeric Sender. China requires mandatory signature and template whitelisting

with signatures displayed at the start of the message in brackets. Prohibited content includes URLs

finance-related marketing

political

gambling

adult

and promotional content across real estate

education

and immigration. Traffic blocking can occur randomly without notice

Sending rules

URL restrictionsWhitelisting required

OTPNo

Opt-out mandatoryNo

02 — Operators

Operator regulations

4 networks carry SMS traffic in China. MNP is live in most markets — run an HLR lookup before routing.

China MobileMCC 460 · Registration required

China UnicomMCC 460 · Registration required

China TelecomMCC 460 · Registration required

China BroadnetMCC 460 · Registration required

03 — Compliance

Additional compliance notes

Country & operator-specific guidance maintained by the Sender ID team.

Requirements

Chinese Employee name,Chinese Mobile phone number,Chinese Province,Citizen ID,Company name,Company website,Content sample,Signature,Type of Traffic

Required documents

China Mainland Business License,Chinese ID,Letter of Undertaking - Bilingual - China,Signature Registration Form

Need help registering your Sender ID?

Our compliance specialists assist with registration requirements, document review, operator approvals, and both domestic and international onboarding.

Contact sales Talk to compliance team

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