Area Code 671 – Durango
The phone area code for Durango is 671 (international format +52671). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 671
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Durango
Geographic Coverage and Administrative Jurisdiction
The +52 671 country-code prefix is a geographic National Destination Code (NDC) assigned to the state of Durango in Mexico. It serves the capital city, Victoria de Durango, and its metropolitan area, including adjacent municipalities such as Gómez Palacio and Lerdo (though these have their own codes for some services). The prefix is administered under the jurisdiction of the Mexican Federal Telecommunications Institute (IFT) and is allocated to fixed-line PSTN and VoIP services within this region.
Dialing Formats and Caller Instructions
For local callers within the 671 area code, dialing a fixed-line number requires only the seven-digit local subscriber number (e.g., 123-4567). For callers from other area codes within Mexico, the complete national format is: 01 671 123 4567. International callers must dial +52 671 123 4567 (or the exit code of their country, e.g., 011 from the US/Canada).
It is crucial to note that Mexico's dialing plan underwent a significant reform in 2019, eliminating the need to dial '01' for national long-distance calls when using a mobile phone. However, for fixed-line calls, the '01' prefix is still required for national calls outside the local area. Always verify with your service provider for the most current dialing rules.
Geographic Significance and Numbering Resources
Durango is a key economic and cultural hub in northern Mexico, with industries ranging from mining and agriculture to manufacturing and services. The 671 area code covers a substantial subscriber base, and the IFT has implemented overlay codes in some regions to ensure sufficient numbering resources. As of now, 671 remains the sole geographic code for the capital area, but future overlays are possible as demand grows.
Technical Considerations for Businesses and VoIP Users
For businesses operating in Durango, having a local 671 number establishes a trusted local presence. VoIP providers often allow the assignment of geographic numbers from any area code, enabling remote businesses to acquire a Durango number. However, it is essential to ensure that the VoIP provider complies with IFT regulations and that number portability is supported. When dialing a 671 number from abroad, international callers should be aware that rates may vary depending on their carrier and the type of service (fixed vs. mobile) they are calling.