Area Code 139 – Mobile Network
The phone area code for Mobile Network is 139 (international format +86139). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 139
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Overview of China's +86 139 Mobile Prefix
The +86 139 prefix is a non-geographic mobile numbering resource allocated within the People's Republic of China's national numbering plan, conforming to ITU-T E.164 recommendations. Unlike geographic area codes (e.g., 10 for Beijing, 21 for Shanghai), the 139 prefix is not tied to any specific city or province. It is assigned to mobile network operators (MNOs) and mobile virtual network operators (MVNOs) operating under the country code +86. Historically, 139 was one of the first mobile prefixes introduced in China, initially allocated to China Mobile. Due to number portability and operator mergers, a subscriber retaining the 139 prefix may now be serviced by another licensed operator, but the prefix remains non-geographic.
Number Structure and Dialing Formats
Chinese mobile numbers are 11 digits long, excluding the country code. The structure is: 1 + 39 + 8 subscriber digits. For example, a complete international dialing string would be +86 139 1234 5678. When dialing domestically from a landline or another mobile within China, the trunk prefix '0' is not used for mobile numbers; you simply dial 139 1234 5678. For international callers, the format is +86 139 1234 5678 (or the appropriate international exit code from your country, e.g., '011' from the US/Canada).
Service Characteristics and Usage
The 139 prefix supports all standard mobile services, including voice, SMS, MMS, and high-speed data (4G/5G). It is used by both prepaid and postpaid subscribers. Because it is a mobile prefix, there are no geographic restrictions for the subscriber; they can use their number anywhere in China, and roaming is available internationally. For SMS and voice calls, the routing is based on the full number, and no special dialing rules apply beyond the standard E.164 format.
Regulatory and Operational Considerations
The Ministry of Industry and Information Technology (MIIT) oversees the allocation of numbering resources in China. Mobile number portability (MNP) is available, allowing users to switch operators while retaining their 139 number. This means that the prefix does not guarantee the current network operator. For enterprises, 139 numbers are often used for customer contact points, but they are not designated for toll-free or premium services. Callers should be aware that standard mobile call charges apply, which may vary depending on the caller's location and plan.