Area Code 777 – Morelos
The phone area code for Morelos is 777 (international format +52777). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 777
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Morelos
Geographic Coverage and Administrative Jurisdiction
The area code +52 777 is a geographic National Destination Code (NDC) assigned to the state of Morelos, Mexico. It serves the capital city, Cuernavaca, and its surrounding metropolitan area, including municipalities such as Jiutepec, Temixco, Emiliano Zapata, Xochitepec, and other localities within the state. Morelos is located just south of Mexico City, and the 777 code is the primary dialing prefix for fixed-line and mobile numbers in this region.
Dialing Formats and Caller Instructions
For local calls within the 777 area code, callers can dial the 7-digit subscriber number directly (without the area code). However, for calls from other area codes within Mexico, the full national format must be used: 01 777 XXX XXXX. For international callers, the format is +52 777 XXX XXXX (or the local 7-digit number after the country code and area code). It is important to note that Mexico's dialing plan requires the prefix '01' for national long-distance calls, while international callers use the '+' sign or the international access code (e.g., 011 from the US) followed by 52.
Overlay and Numbering Considerations
Currently, the 777 area code does not have an overlay code, meaning it is the sole geographic code for the region. However, due to growing demand, the Federal Telecommunications Institute (IFT) has implemented number pooling and other conservation measures to extend the life of the existing code. As of now, all new fixed and mobile lines in Morelos are assigned numbers under 777, and there are no plans for an overlay in the immediate future.
Practical Examples and Usage
To illustrate, a fixed-line number in Cuernavaca might be +52 777 123 4567. A local caller would dial 123 4567. A caller from Mexico City (area code 55) would dial 01 777 123 4567. An international caller from the United States would dial 011 52 777 123 4567 or simply +52 777 123 4567 on a mobile phone. This code is also used for mobile numbers in the region, as Mexico does not have separate mobile codes; mobile numbers are assigned within geographic NDCs based on the user's location.
Regulatory and Technical Notes
The 777 code is regulated by the IFT and follows ITU-T E.164 recommendations. All numbers under this code are part of Mexico's national numbering plan, and portability is supported, allowing users to keep their numbers when changing service providers within the same geographic area. For businesses, having a local 777 number establishes a presence in Morelos and is essential for local customer trust and accessibility.