Area Code 737 – Morelos
The phone area code for Morelos is 737 (international format +52737). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 737
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Morelos
Overview of Area Code 737
Area code 737 is a geographic numbering plan area assigned to the state of Morelos, Mexico, under the national numbering plan administered by the Federal Telecommunications Institute (IFT). It serves a region that includes the state capital Cuernavaca and surrounding municipalities, such as Jiutepec, Temixco, Emiliano Zapata, and Xochitepec. As part of the North American Numbering Plan (NANP) in Mexico, the country code is +52, and the full international dialing format for a local number is +52 737 XXX XXXX.
Geographic Coverage and Urban Centers
The 737 area code covers a significant portion of the state of Morelos, which is located just south of Mexico City. The principal city is Cuernavaca, known as the "City of Eternal Spring" due to its mild climate. Other important localities within this code include the industrial city of Jiutepec, the commercial hub of Temixco, and the rapidly growing suburban areas of Emiliano Zapata and Xochitepec. The region is characterized by a mix of residential, commercial, and agricultural zones, with a strong presence of tourism and second homes for residents of the capital.
Dialing Formats and Instructions
For local callers within Morelos who are dialing another number in the same area code, the standard practice is to dial the 7-digit local number (XXX XXXX). However, due to the implementation of the national dialing plan in 2019, all calls within Mexico now require the full 10-digit number preceded by the long-distance prefix 0. Therefore, even for local calls, users must dial 0 737 XXX XXXX. For international callers, the correct format is +52 737 XXX XXXX, where +52 is the country code for Mexico. When calling from a mobile phone in Mexico, it is also necessary to include the 0 and the area code, as per the unified dialing system.
Overlays and Numbering Resources
Currently, area code 737 is not overlaid with another code; it is the sole geographic code for the Cuernavaca metropolitan area and its environs. However, due to the increasing demand for telecommunication services, the IFT has implemented number pooling and conservation measures to extend the life of the existing code. As of the latest data, the 737 area code has sufficient numbering resources, but future overlays may be introduced if needed. Users should be aware that when dialing from abroad, the trunk prefix 00 is used in many countries, so the sequence would be 00 52 737 XXX XXXX.
Practical Examples
To illustrate, a local business in Cuernavaca with the number 777 1234 would be dialed as 0 737 777 1234 from anywhere in Mexico. From the United States or Canada, a caller would dial 011 52 737 777 1234, while from most European countries, it would be 00 52 737 777 1234. This format ensures proper routing through the PSTN and VoIP networks.