Many people search “0973 what network?” when they receive a call or message from an unfamiliar number or when they need to confirm the correct mobile network for promos and registrations.
The 0973 or 63973 mobile prefix is owned and operated by Smart Communications, one of the major telecommunications providers in the Philippines. Numbers starting with 0973 or 63973 are officially issued under the Smart network unless they have been transferred through mobile number portability.
0973 or 63973 mobile prefix is owned and operated by Smart Communications
0973 What Network?
Mobile phone numbers in the Philippines consist of 11 digits, beginning with “09”. The first four digits, known as the mobile prefix, indicate the network that originally issued the SIM card.
The 0973 or 63973 prefix was assigned to Smart Communications by the National Telecommunications Commission (NTC). Smart uses this prefix for its prepaid mobile services, offering nationwide coverage and access to voice, text, and data services.
Related Post: 0971 What Network
Is 0973 Smart or Globe?
The 0973 or 63973 prefix belongs to Smart Communications.
It is not issued by Globe, TM, TNT, or DITO. Users with 0973 or 63973 numbers are considered Smart subscribers for billing, promo eligibility, and network-based services, unless the number has been transferred to another network through mobile number portability.
Is 0973 a Prepaid or Postpaid Number?
The 0973 or 63973 prefix is primarily used for prepaid Smart SIM cards.
Smart may offer postpaid numbers under different ranges, but 0973 or 63973 is commonly associated with prepaid usage. Prepaid users must load credits or subscribe to Smart promos to access calls, texts, and mobile data.
Services Available for 0973 Smart Numbers
A Smart SIM with the 0973 or 63973 prefix supports standard mobile services, including:
- Local and international voice calls
- SMS and MMS messaging
- Mobile internet access using LTE and 5G-supported areas
- One-time passwords (OTPs) for apps and websites
- Registration on banking, e-wallet, and government platforms
Smart’s extensive network coverage allows 0973 or 63973 numbers to function reliably across most parts of the Philippines.
SIM Registration Requirements for 0973 Smart Numbers
To keep a 0973 Smart SIM active, users must complete SIM registration as required by Philippine law. The registration process includes the following steps:
✔ Enter the 0973 mobile number on the official Smart SIM registration portal
✔ Provide personal information such as full name, date of birth, and address
✔ Upload a valid government-issued ID for identity verification
✔ Take or upload a clear selfie for confirmation
✔ Submit the registration form and wait for approval confirmation
Once registration is completed successfully, the SIM remains active and can continue to be used for calls, texts, mobile data, and online services.
Other Smart Prefixes
The 0973 or 63973 prefix is part of a broader group of mobile prefixes assigned to Smart Communications.
| Smart Mobile Prefixes |
| 0973 |
| 0908 |
| 0918 |
| 0919 |
| 0998 |
These prefixes indicate Smart-issued SIM cards, although mobile number portability may allow users to retain the prefix while changing networks.
Can a 0973 Number Change Network?
Yes. Through Mobile Number Portability (MNP), a 0973 number can be transferred to another mobile network while keeping the same number.
Even after switching networks, the prefix remains 0973 or 63973, which means it may still appear as a Smart number. Users should verify the current network when applying network-specific promos or services.
Frequently Asked Questions
0973 Globe or Smart?
The 0973 or 63973 prefix is officially issued by Smart Communications.
Can 0973 receive verification codes?
Yes. 0973 or 63973 Smart numbers can receive OTPs and verification messages from banks, e-wallets, social platforms, and government services.
Does 0973 support 5G?
Yes. 0973 numbers can access 5G services if the device, SIM card, and location support Smart’s 5G network.
Final Thoughts
The 0973 or 63973 mobile prefix is owned and operated by Smart Communications in the Philippines. It is commonly used for prepaid SIM cards and supports all essential mobile services, including calls, texts, mobile data, and online verifications. Smart’s wide network coverage ensures reliable service in both urban and provincial areas.
While mobile number portability allows users to switch networks, the original assignment of the 0973 or 63973 prefix remains Smart. Knowing this information helps users choose the correct promos, avoid billing issues, and confirm network compatibility when registering mobile numbers for various services.
Mark Anthony Reyes is the administrator of PhTelecoms.com and a Philippine telecom researcher specializing in mobile prefixes, SIM networks, and consumer telecom information.