0921 What Network

What Network is 0921?

0921 is smart mobile network

The 0921 or 63921 mobile network belongs to SMART Communications.

Website: https://smart.com.ph/corporate
Address: Smart Tower, 6799 Ayala Avenue, Makati City, Philippines

If you encounter any issues with your SMART number, please reach out to SMART Customer Service for assistance:


Dial *888 using Toll free via SMART SIM
(02) 888-1111 using landline for FREE

Smart Customer Service – https://smart.com.ph/World/smart-link/contact

Social Media Pages:
Smart Communications Philippines Official Facebook Page – https://www.facebook.com/SmartCommunications/
Twitter: https://twitter.com/SmartCares
Instagram: https://www.instagram.com/livesmart/
YouTube: https://www.youtube.com/channel/UC3rcEDcv2yofU5Wr9H52zMQ
LinkedIn: https://www.linkedin.com/company/smart-communications-inc.

Download Smart App:


SMART SIMCARD Registration
Register your SIMcard now. Click HERE

Find SMART Promos here

Smart Number Prefixes

Smart Mobile Number Prefixes in the Philippines designate numbers under Smart Communications, one of the country’s leading mobile network providers. These prefixes are key for users to recognize Smart subscribers and manage call and text charges effectively.

0813 0908 0911 0913 0914 0919 0920 0921 0922 0923
0924 0925 0928 0929 0931 0932 0933 0934 0939 0940
0941 0942 0943 0944 0946 0947 0949 0951 0961 0963
0964 0968 0969 0970 0971 0973 0974 0980 0981 0982
0985 0998 0999

Acquiring a Smart Communications SIM card offers multiple benefits:

  1. Extensive Network Coverage: Smart boasts a vast network coverage, ensuring strong signal and connectivity across a wide range of areas.
  2. High-Speed Internet Connection: Known for its high-speed internet services, Smart is ideal for seamless streaming, browsing, and online gaming.
  3. Varied Data Plans: Smart offers a diverse array of data plans, catering to different usage needs – from light browsing to heavy data consumption.
  4. Promotional Offers and Perks: Regularly, Smart introduces various promotional offers and perks, providing additional value to its users.
  5. International Roaming Services: For travelers, Smart provides excellent international roaming services, keeping you connected outside the country.
  6. Quality Customer Service: Smart is reputed for its responsive and helpful customer service, addressing customer concerns effectively.
  7. Wide Availability of Load and Credits: Recharging Smart SIM cards is easy and convenient, with load available at numerous outlets nationwide.
  8. Innovative Features and Services: Smart frequently introduces innovative features and services, staying ahead in the telecommunication industry.
  9. Loyalty and Reward Programs: Users of Smart can benefit from loyalty and reward programs, offering discounts and deals on various services.
  10. Compatibility with Multiple Devices: Smart SIM cards are compatible with a wide range of devices, from basic cell phones to the latest smartphones.

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