What are common prefixes for mobile numbers in Taiwan?

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In Taiwan, mobile phone numbers are structured with specific prefixes that indicate the telecommunications provider. These prefixes, which typically begin with "09," vary among different service providers, allowing users to identify the network associated with a number. Understanding these prefixes is essential for recognizing which company services a particular mobile number.

Key Mobile Number Prefixes
091x: This is used by several mobile operators, such as Taiwan Mobile and FarEasTone. Numbers such as 0910, 0911, 0912, and so on are in wide usage for personal and business purposes.
092x: This is mainly used by Chunghwa Telecom, with Taiwan Phone Number Data numbers like 0920, 0921, and so on. Chunghwa Telecom is the biggest telecom company in Taiwan, offering wide coverage over the island.

093x: This prefix is less common but still notable. It is utilized by smaller or regional providers that cater to specific market segments. In most cases, numbers starting with 0930, 0931, etc., can portray a more localized service.

094x: Another prefix used by different telecommunications providers, including some MVNOs. Numbers such as 0940, 0941, and so on come within this category.
095x: Many telecom companies also use this prefix that includes major and minor players in Taiwan's telecom industry. As discussed, other prefixes have different initiating numbers indicating different service providers, such as 0950, 0951, etc.



Importance of Prefixes
It helps in multiple ways: Knowing such prefixes first can help an end user identify with which telecom service provider the number belongs-which can sometimes be a clue to assessing the relative call rates or even the service quality. Knowing it aids also in taming spam calls as a lot of spam callers come up with several prefixes.
The common prefixes for mobile numbers in Taiwan are an integral part of the telecommunications landscape. Understanding what these prefixes are-091x, 092x, 093x, 094x, and 095x-users can navigate their mobile communications more effectively. Given the amount of providers operating within Taiwan, having knowledge of such prefixes informs users to a much greater degree about their decisions on mobile services.