How to Register Your Sender ID / OADC Internationally?

Understanding Local Regulations

Each country sets its own rules for sending SMS messages with a custom Sender ID or OADC:

No modification allowed: Some countries do not permit customizing the Sender ID.
Mandatory registration: Others require formal registration.
Strict pre-approval (whitelisting): Certain countries enforce strict pre-approval protocols before delivery.

Note: The lists provided below are non-exhaustive and subject to regulatory changes in each country. Please contact us for details regarding countries not listed.

Main Countries Requiring Mandatory Sender ID / OADC Registration

🇦🇫 Afghanistan
🇦🇺 Australia
🇦🇹 Austria (documentation required)
🇧🇬 Bulgaria (documentation required)
🇰🇭 Cambodia
🇨🇳 China (documentation required)
🇨🇿 Czech Republic
🇫🇮 Finland
🇭🇰 Hong Kong (documentation required)
🇮🇷 Iran (documentation required)
🇮🇪 Ireland
🇰🇿 Kazakhstan
🇰🇪 Kenya
🇲🇰 North Macedonia
🇲🇦 Morocco
🇲🇿 Mozambique (documentation required)
🇳🇬 Nigeria
🇵🇭 Philippines (documentation required)
🇶🇦 Qatar (documentation required)
🇷🇴 Romania (documentation required)
🇷🇺 Russia
🇸🇦 Saudi Arabia (documentation required)
🇸🇬 Singapore (documentation required)
🇪🇸 Spain (documentation required)
🇹🇭 Thailand (documentation required)
🇹🇷 Türkiye (documentation required)
🇦🇪 United Arab Emirates (documentation required)
🇬🇧 United Kingdom
🇺🇸 United States (documentation required)
🇻🇳 Vietnam

Countries Prohibiting Sender ID / OADC Customization

🇧🇪 Belgium: Mandatory Shortcode

Countries Requiring Pre-approval (Whitelisting)

🇮🇳 India: Registration recommended to avoid filtering.
🇨🇳 China: Sender ID is strictly regulated.
🇧🇷 Brazil: Registration recommended to avoid filtering.
🇿🇦 South Africa: Registration recommended to avoid filtering.

How to Whitelist a Sender ID?

If you want to send international SMS messages using a custom Sender ID or OADC, please fill the following form : https://www.smsmode.com/envoi-international-form/