Area Code 632 – Imuris/Magdalena, SON

Geographic Coverage and Administrative Jurisdiction

Area code 632 is a geographic National Destination Code (NDC) assigned to the northwestern region of the state of Sonora, Mexico. It specifically serves the municipalities of Imuris and Magdalena de Kino, along with their surrounding localities and rural communities. Magdalena de Kino, the largest city in this area, is a historical and commercial hub, while Imuris is known for its agricultural production and as a gateway to the border town of Nogales. The code falls under the jurisdiction of the Federal Telecommunications Institute (IFT) and is allocated for fixed-line PSTN services, though some local carriers may also offer VoIP-based fixed lines using this code.

Dialing Formats and Caller Instructions

For callers within Mexico, the national long-distance format requires dialing the trunk prefix 01, followed by the area code 632, and the local 7-digit subscriber number. For example, to reach a fixed line in Magdalena de Kino, you would dial 01 632 123 4567. For international callers, the format is the country code +52, then the area code 632, and the local number, omitting the trunk prefix: +52 632 123 4567. When dialing locally within the same area code, the 01 and area code may be omitted, but this practice is becoming less common as the region adopts 10-digit dialing for all calls. No overlay codes are currently assigned to this area, so 632 remains the sole geographic code for the region.

Geographic and Economic Context

The region served by 632 is characterized by its proximity to the U.S.-Mexico border, approximately 60 kilometers south of Nogales. This location fosters cross-border trade and maquiladora activity, with many residents commuting or engaging in binational business. The area also benefits from tourism related to the historic Mission of Magdalena and the annual pilgrimage honoring Padre Eusebio Kino. For businesses, having a local 632 number establishes a presence in this market and facilitates trust among local customers. Fixed-line services are provided by major carriers such as Telmex and Totalplay, as well as smaller regional operators.

Practical Considerations for Callers

When calling from abroad, be mindful of time zone differences (UTC-7, Mountain Standard Time, no daylight saving in Sonora). Ensure you have the correct country exit code before dialing +52. For mobile callers within Mexico, dialing a 632 number from a cell phone requires the same national format (01 632...). If you experience issues, verify the number length; local numbers are 7 digits, and the complete national significant number is 10 digits (including the area code). As with all Mexican geographic codes, number portability allows users to retain their 632 number when switching providers, but the code remains tied to the geographic region.