Numbers that start with 0900 were issued by Smart Communications. Most SIMs on this block are sold as Smart, so if a 0900 number calls or texts you, it is a Smart-network line unless the owner ported it elsewhere.
| Network | Smart Communications |
|---|---|
| Brand family | Smart |
| Account type | Prepaid (mostly) |
| Technology | LTE, 5G |
| Year allocated | Not recorded |
| Series | 090X |
| Portability | Can be ported to any network (why a prefix can lie) |
| Last checked | 2026-09-05 |
| Sources agreeing | 4/4 public prefix lists |
| Sources | Source 1 Source 2 Source 3 |
Check a full 0900 number
Is 0900 Globe or Smart?
- ✕ Globe (incl. TM, GOMO) – no
- ✓ Smart (incl. TNT, Sun) – yes
- ✕ DITO – no
Calling or texting a 0900 number
If you are on Smart or TNT, Sun, a 0900 number is on-net: your unli-call and unli-text promos usually cover it. From another network it is off-net, so use an all-net promo or check your per-call rate. On-net vs off-net explained.
Related prefixes
Guides for 0900 numbers
Questions people ask about 0900
Is 0900 prepaid or postpaid?
0900 is prepaid (mostly). Prepaid lines dominate this block, but a postpaid plan can be issued on it as well.
Can a 0900 number be on another network now?
Yes. Under Mobile Number Portability (RA 11202) the owner can move to Globe, Smart or DITO and keep the 0900 number. The prefix always shows the original carrier, Smart.
Does 0900 support 5G?
The block runs on LTE, 5G. Whether you get 5G depends on the SIM, the phone and coverage, not on the prefix.
Is 0900 Smart or Smart?
0900 is a Smart prefix.
How do I register a 0900 SIM?
Use the Smart registration portal or app. See our SIM registration guide for step-by-step instructions for each network.