0999 What Network Philippines
Have you ever come across a number starting with 0999 or 63999 and asked which network it goes to?
The 0999 what network prefix is allocated to Smart Communications, one of the country’s top telecom providers in the Philippines.
What Does Smart Offer for 0999 Users?
0999 users enjoy some of the best mobile services in the Philippines as part of Smart Communications.
- Affordable Data Promos – If you love streaming, social media, or online work, Smart offers affordable bundles like Giga Stories and Giga Video.
- Trustworthy Coverage – Stay connected anywhere, from lively cities to faraway provinces, with Smart’s wide network.
- Fast Internet Speeds – As a leader in 5G technology Smart delivers high-speed connectivity in key locations across the country.

Why Choose Smart Communications?
Smart Communications stands out as the top telecom provider in the Philippines thanks to its reliable service and original offers. If you are a light browser or a heavy data user, Smart has a plan that fits your needs.
One of Smart’s biggest strengths is its nationwide coverage, ensuring seamless connectivity no matter where you are. Its modern 5G technology also guarantees superfast speeds perfect for streaming, gaming, or working online.
Smart also makes staying connected more affordable with its Giga promos offering profitable data plans. Plus, with the GigaLife app managing your account checking data usage, and subscribing to select deals are quick and smooth.
How to Identify a 0999 Network
0999 is what network, The 0999 prefix is registered under Smart Communications. However, due to the Mobile Number Portability Act some numbers that originally belonged to Smart may have been moved to other networks. Here is how you can check:
