Title: A Comprehensive Guide to the Starting Digits of Chinese Telecommunications Mobile Number Sectors

Introduction: The Chinese telecommunications industry is vast and dynamic, offering a variety of mobile number sectors with unique starting digits. In this article, we will explore the most common starting digits of Chinese mobile phone numbers, providing a detailed guide to help you understand the different sectors and their carriers.

Section 1: Overview of Chinese Mobile Number Sectors Chinese mobile phone numbers are typically composed of 11 digits, starting with a national code (1) followed by the carrier’s number sector. The carrier’s number sector is what we refer to as the starting digits of the mobile number.

Section 2: Starting Digits and Their Corresponding Carriers Below is a list of the most common starting digits for Chinese mobile phone numbers and the carriers associated with them:

134-139 – China Unicom 135-136-137-138-139 – China Mobile 150-152-157-158-159 – China Mobile 182-183 – China Mobile 184 – China Telecom 185-186-187-188-189 – China Unicom 147 – China Mobile (only for 4G services) 172 – China Telecom (only for 4G services) 178 – China Unicom (only for 4G services) 170 – China Mobile, China Unicom, and China Telecom (only for VoLTE services)

Section 3: Special Number Sectors In addition to the general starting digits, there are also special number sectors that are used for specific purposes:

133 – China Mobile (mainly for data services) 153 – China Unicom (mainly for data services) 180 – China Mobile (for international roaming) 181 – China Unicom (for international roaming) 189 – China Telecom (for international roaming)

Section 4: The Significance of Starting Digits Understanding the starting digits of Chinese mobile phone numbers is crucial for several reasons:

Identification of Carrier: The first few digits help identify the carrier of the number, which can be useful for various purposes, such as selecting a service provider or understanding network coverage. Market Analysis: Businesses and researchers often analyze mobile number sectors to gain insights into market trends and consumer behavior. Fraud Detection: Law enforcement agencies use starting digits to track down fraudulent activities or to identify individuals involved in illegal activities.

Conclusion: The starting digits of Chinese mobile phone numbers are a key element in understanding the telecommunications landscape in China. By familiarizing yourself with the most common starting digits and their corresponding carriers, you can gain a better understanding of the mobile market and its players. This knowledge can be invaluable for personal use, business decisions, or simply out of curiosity.