Area Code 813 – Zigong, Sichuan
The phone area code for Zigong, Sichuan is 813 (international format +86813). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 813
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Zigong, Sichuan
Overview of Area Code +86 813
Area code 813 is a geographic National Destination Code (NDC) assigned to Zigong, a prefecture-level city in the southern part of Sichuan Province, China. Under the ITU-T E.164 international dialing standard, the full country calling code for China is +86, so numbers in Zigong are internationally dialed as +86 813 XXX XXXX. Domestically, callers within China dial 0813 followed by the local 7-digit subscriber number, omitting the trunk prefix '0' when calling from abroad.
Geographic Coverage and Administrative Jurisdiction
Zigong is a significant industrial and cultural hub in the Sichuan Basin, known for its salt production and dinosaur fossils. The area code 813 covers the entire administrative jurisdiction of Zigong, including its four districts (Ziliujing, Da'an, Gongjing, Yantan) and two counties (Fushun and Rongxian). The city is positioned approximately 150 kilometers southeast of Chengdu, the provincial capital, and serves as a major economic center for the southern Sichuan region.
Dialing Formats and Caller Instructions
For local callers within Zigong, the 7-digit subscriber number is dialed directly without the area code. For domestic long-distance calls from other parts of China, the format is 0813-XXX XXXX. International callers must dial +86 813 XXX XXXX (or the exit code of their country, followed by 86 813...). For example, a typical landline number in Zigong might be +86 813 123 4567. It is important to note that the leading '0' of the domestic trunk prefix is not part of the international number.
Overlay and Numbering Considerations
As of the latest ITU-T national numbering plan updates, Zigong does not have an overlay code; 813 remains the sole area code for the city. The subscriber numbers are 7 digits long, which is standard for prefecture-level cities in China. The numbering capacity is sufficient for the current population and business needs, with no imminent exhaustion reported. However, as with all geographic codes, number portability within the same geographic region is possible, allowing subscribers to retain their numbers when changing service providers.
Practical Usage for Businesses and Individuals
For businesses operating in Zigong, having a local geographic number enhances trust and accessibility for regional customers. International companies seeking to establish a presence in Sichuan may acquire numbers with area code 813 to facilitate local communication. When dialing from abroad, it is crucial to use the correct international prefix (e.g., 011 from the US, 00 from most European countries) followed by 86 and the area code without the leading zero. Always verify the complete number with the recipient to avoid misdialing.