Ever get confused by those Philippine phone numbers that look like they’re for Smart, but then—surprise—it’s not? Or maybe you’re wondering why numbers starting with 0918, 0920, or 0998 seem to automatically get Smart promos? Yeah, it’s a thing. If you don’t know your prefixes, you’re basically rolling the dice on weird charges, missed promos, or even falling for scammy spam.
Okay, here’s the real deal for 2025:
• The lowdown on every Smart, TNT, and Sun number prefix.
• How to actually use these prefixes for promos and texting—no more guessing games.
• What happens to these prefixes if you or someone else hops networks thanks to Mobile Number Portability (because, let’s be real, that confused everyone).
• Super common questions about figuring out someone’s network, answered without all the techy mumbo jumbo.
Basically, this is the cheat sheet you wish you had before your load vanished.
Why Smart Prefixes Matter
Figuring out costs or hunting down the right promo? Way simpler if you actually know what network a number’s on. Smart, for example, loves throwing out deals, but a bunch of ‘em only work for Smart-to-Smart calls. Kinda annoying, but hey, that’s the game.
- If you’re stuck out in the sticks or somewhere off-grid, Smart usually has better signal. City folks might not care, but trust me, it matters when you’re in the middle of nowhere and can barely load a meme.
- Businesses? They’re all over these prefixes too—makes it easier to blast promos straight to Smart users. Guess it’s efficient or whatever.
- And let’s not forget, if you’re dodging scams or those sketchy spoof calls, knowing the right prefix can save your butt. Recognize if the number’s legit or just some scammer trying to mess with you.
Complete Smart/TNT/Sun Prefix Table (2025)
Prefixes Here are all prefixes that are formally dedicated to Smart, TNT, or Sun Cellular (since unified in Smart operations):
| SMART Prefixes | TNT Prefixes |
| 0908 | 0907 |
| 0909 | 0910 |
| 0918 | 0911 |
| 0919 | 0912 |
| 0920 | 0913 |
| 0921 | 0930 |
| 0928 | 0946 |
| 0929 | 0947 |
| 0938 | 0950 |
| 0939 | |
| 0948 | |
| etc |
Key Prefix Highlights
- Alright, here goes:
- If you spot numbers starting with 0918, 0919, 0920, 0949, 0951, 0998, or 0999—yeah, those are your usual suspects for prepaid lines. Super common.
- Now, TNT? That’s Smart’s budget-friendly alter ego. Their prefixes? Look for 0907, 0910, 0911, 0912, 0913, 0930, 0946, and 0950. Basically, if it sounds like a PIN code, it’s probably TNT.
- Oh, and businesses? They’re kinda stuck on those classic Smart postpaid numbers—think 0951 or 0981. Old habits die hard, huh?
How Smart Prefixes Work with Mobile Number Portability
- Back in the day, you could pretty much guess someone’s network just by looking at their number’s prefix. Like, 0918? Obviously Smart. But now, with this whole Mobile Number Portability thing, people can just jump ship between Smart, Globe, and DITO without even changing their number. So that old trick’s kinda useless.
- Here’s the deal: you might see a number starting with 0918 and think, “Oh, that’s Smart.” But nope, it could be on Globe or DITO now if the user moved. So, if you’re planning to use promos or send out bulk messages, double check what network they’re actually on. Otherwise, your promo might just fizzle out.
How To Use Smart Prime Prefixes Effectively
Here’s how knowing prefix info can help:
- Pick the right promos
Go for promos like “UNLI30” or “SMALL20 + Text All Network” when you’re texting Smart numbers. Seriously, don’t just wing it. - Don’t mess up promos
Ever tried sending a Globe-only promo to a Smart number? Yeah, doesn’t work. You’ll just waste your load or, worse, get charged for nothing. - Target your SMS blasts
If you’re running SMS campaigns, filter by prefix! Only hit up Smart users if that’s your goal—no sense in paying for messages that go nowhere. - Play smart with signal
Honestly, if you’re in Luzon or Mindanao, Smart’s LTE/5G is usually better. Know your prefixes so you’re not stuck with “No Service” when you need to text someone, especially out in the sticks.
Prefix Lookup Tools & Verification Tips
- Wanna know what network a number’s on, like, right this second? Here’s how I do it:
- 1. Apps for the win: Just grab something like PreFIX PH or SIMValidation. Seriously, these things are everywhere, and it takes five seconds to check a number. No rocket science required.
- 2. Old school but it works: Hit up Smart’s customer support. Yeah, you might have to text or call their hotline, but sometimes talking to a real person (or at least a chatbot) gets you answers straight from the source.
- 3. Go digital: If you’re already in the Smart world, just open the GigaLife app. Check your contacts and—bam—it tells you which numbers are on their network. Super handy, honestly.
- Easy as pie. No need to overthink it.
Tips for Smart Prefix Use
- Don’t forget the country code (+63) or that zero at the start—like, seriously, always include it. So, either +6391999xxxxxx or 0919999xxxxxx, no shortcuts. After MNP (Mobile Number Portability, if you’re wondering), just using the prefix to guess the network? Yeah, good luck with that. Promos based on current network? Not really the move anymore.
- Honestly, you gotta keep your CRM loaded with the latest prefixes. Marketing folks, too—don’t slack. And if you run into weirdo prefixes like 0988, 0986, or 0985? Stay sharp. A lot of those aren’t even assigned yet or are just stashed away for later. So, double-check before you do anything with ’em.
FAQs (Frequently Asked Questions)
What is Smart’s prefix, 0918 or 0919?
Both are Smart’s prefixes. 0918 and 0919 identify Smart or TNT numbers depending on segmented service zones.
Can a number starting with 0998 still be Globe?
No, 0998 belongs exclusively to Smart. If ported, the number may be on another network, but Smart retains original ownership.
How many prefixes does Smart have now?
As of 2025, about 28 prefixes are assigned to Smart, including TNT and Sun numbers.
Why do some Smart promos fail on Smart prefixes?
If the number has been ported out to another network, the prefix still appears Smart—but promo eligibility may fail.
Does Globe use any of these prefixes misassigned to Smart?
No, Globe maintains its own prefix block and will not issue numbers with Smart’s prefixes.
Can TN T or Sun prefixes be used with Smart promos?
Yes. TNT/Sun numbers are under Smart operations, so Smart-to-Smart promos typically apply.
Where can I get the official prefix update lists?
Check the official website of the NTC or other websites focused on the updates on technological news such as PinoyTechSaga and PreFIX PH which updates the data regularly.
Knowing your Smart number prefixes? Honestly, it’s a lifesaver. Saves you from blowing cash on the wrong promos, keeps your expenses in check, and hey, you won’t end up texting the wrong network like a total noob. Even with all this Mobile Number Portability drama shaking things up in the Philippines, having those prefixes down still gives you a solid way to figure out where a number originally came from.
Do yourself a favor—bookmark this guide or stash our prefix table somewhere. Trust me, whether you’re hustling for business or just chatting with friends, you’ll want it close.