Numbers that start with 0973 were issued by Sun Cellular (now Smart). Most SIMs on this block are sold as Sun Cellular, so if a 0973 number calls or texts you, it is a Smart (Sun)-network line unless the owner ported it elsewhere.
| Network | Sun Cellular (now Smart) |
|---|---|
| Brand family | Sun Cellular |
| Account type | Prepaid (mostly) |
| Technology | LTE, 5G |
| Year allocated | Not recorded |
| Series | 097X |
| Portability | Can be ported to any network (why a prefix can lie) |
| Last checked | 2026-09-05 |
| Sources agreeing | 3/3 public prefix lists |
| Sources | Source 1 Source 2 Source 3 |
Check a full 0973 number
Is 0973 Globe or Smart?
- ✕ Globe (incl. TM, GOMO) – no
- ✓ Smart (incl. TNT, Sun) – yes
- ✕ DITO – no
Is 0973 Smart or Sun Cellular?
Both answers are correct. Sun Cellular is a brand that runs on the Smart network, using the same cell sites and the same prefix blocks. A 0973 SIM may say Sun Cellular on the packaging but it is Smart for on-net promos, rates and registration.
Why other sites give a different answer for 0973
Technobaboy and The Summit Express also show 0973 under Globe, likely a carry-over from its Extelcom days. Three lists say Sun/Smart.
We publish the answer only after two sources agree. If you have a 0973 SIM and can confirm the network, send a correction.
Calling or texting a 0973 number
If you are on Smart or TNT, Sun, a 0973 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 0973 numbers
Questions people ask about 0973
Is 0973 prepaid or postpaid?
0973 is prepaid (mostly). Prepaid lines dominate this block, but a postpaid plan can be issued on it as well.
Can a 0973 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 0973 number. The prefix always shows the original carrier, Smart (Sun).
Does 0973 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 0973 Smart (Sun) or Sun Cellular?
Both. Sun Cellular is a Smart (Sun) brand and shares the 0973 block with the main brand.
How do I register a 0973 SIM?
Use the Smart (Sun) registration portal or app. See our SIM registration guide for step-by-step instructions for each network.