Area Code 23 – Chongqing
The phone area code for Chongqing is 23 (international format +8623). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 23
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Chongqing
The +86 23 country and area code combination is the international dialing identifier for Chongqing, a major municipality in southwestern China. As a geographic prefix, 23 is the National Destination Code (NDC) assigned to the Chongqing Telephone Network, covering the entire administrative region, including its urban districts and surrounding rural counties. Chongqing is one of China's four direct-administered municipalities, and its telecommunications infrastructure is managed under a unified numbering plan, meaning that the 23 code applies to all landline and fixed-line services within the municipality's jurisdiction.
For callers dialing a Chongqing landline from outside China, the international format is: +86 23 XXXX XXXX. The +86 is the country calling code for China, 23 is the area code, and the subscriber number is eight digits long. When dialing from within China but outside Chongqing, the trunk prefix 0 must be used before the area code, resulting in: 0 23 XXXX XXXX. Local calls within Chongqing do not require the area code; simply dial the eight-digit subscriber number. It is important to note that Chongqing does not currently have an overlay area code, so the 23 code is the sole geographic code for the entire municipality.
Chongqing is a major economic and industrial hub in western China, and its fixed-line network serves millions of residential and business customers. The city is known for its rapid urbanization and as a manufacturing and logistics center. When calling Chongqing, callers should be aware that the area code is used for all landline numbers, including those in remote districts. For international callers, it is essential to drop the leading 0 from the area code when using the +86 country code. For example, a number in Chongqing might be formatted as +86 23 6789 0123.
In recent years, with the proliferation of mobile phones and VoIP services, the distinction between geographic and non-geographic numbers has become more nuanced. However, the 23 prefix remains strictly associated with fixed-line services. Mobile numbers in China begin with 1 and are not tied to a specific geographic area. VoIP services may use geographic numbers, but they are subject to the same dialing rules. For businesses, having a Chongqing landline number can enhance local presence and customer trust. When dialing from abroad, it is advisable to check with your telecom provider for any international dialing restrictions or additional charges. Overall, the +86 23 code is a reliable identifier for reaching landlines in Chongqing, and understanding the correct dialing format ensures seamless connectivity.